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Preserve HydroCAD Reports 080413Drainage Diagram for 1237 Pre-Development Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcat Reach Pond Link FT4.1 FT4.1 FT4.2 FT4.2 FT4.3 FT4.3 FT4.4 FT4.4 FT4.5 FT4.5 FT4.6 FT4.6 FT4.7 FT4.7 FT4.8 FT4.8 FT5.1 FT5.1 S1.1 S1.1 S2.1 S2.1 S2.2 S2.2 S3.1 S3.1 D TOTAL DISCHARGE D1 DISCHARGE 1 D2 DISCHARGE 2 D3 DISCHARGE 3 D4 FT DISCHARGE 4B POND B 4C POND C 4D POND D 4P Ag Urban Wet P2.1 DRIVE TO NORTH W1.1 WETLAND W2 WETLAND Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 2 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Time span=0.00-72.00 hrs, dt=0.10 hrs, 721 points Runoff by SCS TR-20 method, UH=SCS Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=1.020 ac Runoff Depth=1.29"Subcatchment FT4.1: FT4.1 Flow Length=200' Tc=19.6 min CN=83 Runoff=1.43 cfs 0.109 af Runoff Area=0.700 ac Runoff Depth=1.29"Subcatchment FT4.2: FT4.2 Flow Length=230' Tc=8.5 min CN=83 Runoff=1.39 cfs 0.075 af Runoff Area=1.390 ac Runoff Depth=1.29"Subcatchment FT4.3: FT4.3 Flow Length=200' Tc=7.2 min CN=83 Runoff=2.87 cfs 0.149 af Runoff Area=7.500 ac Runoff Depth=1.29"Subcatchment FT4.4: FT4.4 Flow Length=530' Tc=14.4 min CN=83 Runoff=12.09 cfs 0.805 af Runoff Area=0.860 ac Runoff Depth=1.29"Subcatchment FT4.5: FT4.5 Flow Length=220' Tc=16.7 min CN=83 Runoff=1.32 cfs 0.092 af Runoff Area=7.350 ac Runoff Depth=1.29"Subcatchment FT4.6: FT4.6 Flow Length=340' Tc=10.9 min CN=83 Runoff=13.17 cfs 0.788 af Runoff Area=3.440 ac Runoff Depth=1.29"Subcatchment FT4.7: FT4.7 Flow Length=380' Tc=15.4 min CN=83 Runoff=5.44 cfs 0.369 af Runoff Area=3.790 ac Runoff Depth=1.29"Subcatchment FT4.8: FT4.8 Flow Length=550' Tc=16.5 min CN=83 Runoff=5.84 cfs 0.407 af Runoff Area=8.250 ac Runoff Depth=1.10"Subcatchment FT5.1: FT5.1 Flow Length=980' Tc=20.3 min CN=80 Runoff=9.56 cfs 0.758 af Runoff Area=8.440 ac Runoff Depth=0.88"Subcatchment S1.1: S1.1 Flow Length=800' Tc=24.5 min CN=76 Runoff=6.77 cfs 0.621 af Runoff Area=3.800 ac Runoff Depth=0.83"Subcatchment S2.1: S2.1 Flow Length=450' Tc=18.2 min CN=75 Runoff=3.39 cfs 0.264 af Runoff Area=3.090 ac Runoff Depth=0.78"Subcatchment S2.2: S2.2 Flow Length=620' Tc=32.8 min CN=74 Runoff=1.75 cfs 0.202 af Runoff Area=1.420 ac Runoff Depth=0.78"Subcatchment S3.1: S3.1 Flow Length=360' Tc=21.4 min CN=74 Runoff=1.05 cfs 0.093 af Inflow=6.62 cfs 4.621 af Reach D: TOTAL DISCHARGE Outflow=6.62 cfs 4.621 af Inflow=3.99 cfs 4.063 af Reach D1: DISCHARGE 1 Outflow=3.99 cfs 4.063 af Inflow=5.83 cfs 4.528 af Reach D2: DISCHARGE 2 Outflow=5.83 cfs 4.528 af Inflow=1.05 cfs 0.093 af Reach D3: DISCHARGE 3 Outflow=1.05 cfs 0.093 af Inflow=4.18 cfs 2.716 af Reach D4: FT DISCHARGE Outflow=4.18 cfs 2.716 af Peak Elev=906.85' Storage=0.043 af Inflow=5.84 cfs 0.407 af Pond 4B: POND B Outflow=4.72 cfs 0.407 af Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 3 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Peak Elev=898.83' Storage=0.238 af Inflow=13.39 cfs 0.897 af Pond 4C: POND C 18.0" x 35.0' Culvert Outflow=7.05 cfs 0.895 af Peak Elev=892.14' Storage=0.075 af Inflow=4.25 cfs 0.224 af Pond 4D: POND D 18.0" x 15.0' Culvert Outflow=1.55 cfs 0.223 af Peak Elev=897.82' Storage=1.191 af Inflow=26.30 cfs 2.460 af Pond 4P: Ag Urban Wet Outflow=3.11 cfs 2.384 af Peak Elev=883.03' Storage=0.010 af Inflow=4.73 cfs 4.326 af Pond P2.1: DRIVE TO NORTH Outflow=4.64 cfs 4.326 af Peak Elev=889.89' Storage=1.014 af Inflow=20.01 cfs 4.095 af Pond W1.1: WETLAND Outflow=3.99 cfs 4.063 af Peak Elev=896.32' Storage=0.020 af Inflow=1.75 cfs 0.202 af Pond W2: WETLAND Outflow=1.57 cfs 0.202 af Total Runoff Area = 51.050 ac Runoff Volume = 4.731 af Average Runoff Depth = 1.11" Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 4 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.1: FT4.1 Runoff=1.43 cfs @ 12.13 hrs, Volume=0.109 af, Depth=1.29"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 1.020831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.5800.20000.4 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"16.11200.02500.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"19.6200Total Subcatchment FT4.1: FT4.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=1.020 ac Runoff Volume=0.109 af Runoff Depth=1.29"Flow Length=200'Tc=19.6 min CN=83 1.43 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 5 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.2: FT4.2 [49] Hint: Tc<2dt may require smaller dt Runoff=1.39 cfs @ 12.00 hrs, Volume=0.075 af, Depth=1.29"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 0.700831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)7.3800.08000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"1.21500.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 8.5230Total Subcatchment FT4.2: FT4.2 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=0.700 ac Runoff Volume=0.075 af Runoff Depth=1.29"Flow Length=230'Tc=8.5 min CN=83 1.39 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 6 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.3: FT4.3 [49] Hint: Tc<2dt may require smaller dt Runoff=2.87 cfs @ 11.99 hrs, Volume=0.149 af, Depth=1.29"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 1.390831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)6.0500.02000.1 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"1.21500.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 7.2200Total Subcatchment FT4.3: FT4.3 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)3 2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=1.390 ac Runoff Volume=0.149 af Runoff Depth=1.29"Flow Length=200'Tc=7.2 min CN=83 2.87 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 7 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.4: FT4.4 Runoff=12.09 cfs @ 12.07 hrs, Volume=0.805 af, Depth=1.29"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 7.500831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)11.82000.06000.3 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.63300.02002.1 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 14.4530Total Subcatchment FT4.4: FT4.4 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)13 12 11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=7.500 ac Runoff Volume=0.805 af Runoff Depth=1.29"Flow Length=530'Tc=14.4 min CN=83 12.09 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 8 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.5: FT4.5 Runoff=1.32 cfs @ 12.10 hrs, Volume=0.092 af, Depth=1.29"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 0.860831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)16.72000.02500.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"0.0200.20006.7 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 16.7220Total Subcatchment FT4.5: FT4.5 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=0.860 ac Runoff Volume=0.092 af Runoff Depth=1.29"Flow Length=220'Tc=16.7 min CN=83 1.32 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 9 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.6: FT4.6 [49] Hint: Tc<2dt may require smaller dt Runoff=13.17 cfs @ 12.02 hrs, Volume=0.788 af, Depth=1.29"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 7.350831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)8.8800.02000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.12600.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 10.9340Total Subcatchment FT4.6: FT4.6 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=7.350 ac Runoff Volume=0.788 af Runoff Depth=1.29"Flow Length=340'Tc=10.9 min CN=83 13.17 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 10 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.7: FT4.7 Runoff=5.44 cfs @ 12.09 hrs, Volume=0.369 af, Depth=1.29"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 3.440831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)13.31900.04000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.11900.01001.5 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 15.4380Total Subcatchment FT4.7: FT4.7 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)6 5 4 3 2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=3.440 ac Runoff Volume=0.369 af Runoff Depth=1.29"Flow Length=380'Tc=15.4 min CN=83 5.44 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 11 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.8: FT4.8 Runoff=5.84 cfs @ 12.10 hrs, Volume=0.407 af, Depth=1.29"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 3.790831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)14.62000.03500.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"1.93500.04003.0 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 16.5550Total Subcatchment FT4.8: FT4.8 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)6 5 4 3 2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=3.790 ac Runoff Volume=0.407 af Runoff Depth=1.29"Flow Length=550'Tc=16.5 min CN=83 5.84 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 12 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT5.1: FT5.1 Runoff=9.56 cfs @ 12.14 hrs, Volume=0.758 af, Depth=1.10"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 8.250801/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)15.52000.03000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.64000.03002.6 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 2.23800.02002.9 Shallow Concentrated Flow, Paved Kv= 20.3 fps 20.3980Total Subcatchment FT5.1: FT5.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=8.250 ac Runoff Volume=0.758 af Runoff Depth=1.10"Flow Length=980'Tc=20.3 min CN=80 9.56 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 13 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.1: S1.1 Runoff=6.77 cfs @ 12.21 hrs, Volume=0.621 af, Depth=0.88"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 4.04072Woods/grass comb., Good, HSG C 4.40079Woods/grass comb., Good, HSG D 8.44076Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)4.0600.20000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"13.81400.05000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"6.76000.01001.5 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 24.5800Total Subcatchment S1.1: S1.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)7 6 5 4 3 2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=8.440 ac Runoff Volume=0.621 af Runoff Depth=0.88"Flow Length=800'Tc=24.5 min CN=76 6.77 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 14 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.1: S2.1 Runoff=3.39 cfs @ 12.12 hrs, Volume=0.264 af, Depth=0.83"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 2.40072Woods/grass comb., Good, HSG C 1.40079Woods/grass comb., Good, HSG D 3.80075Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)14.02000.10000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"4.22500.02001.0 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 18.2450Total Subcatchment S2.1: S2.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)3 2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=3.800 ac Runoff Volume=0.264 af Runoff Depth=0.83"Flow Length=450'Tc=18.2 min CN=75 3.39 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 15 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.2: S2.2 Runoff=1.75 cfs @ 12.32 hrs, Volume=0.202 af, Depth=0.78"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 2.29072Woods/grass comb., Good, HSG C 0.80079Woods/grass comb., Good, HSG D 3.09074Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)29.82000.01500.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"3.04200.02502.4 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 32.8620Total Subcatchment S2.2: S2.2 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=3.090 ac Runoff Volume=0.202 af Runoff Depth=0.78"Flow Length=620'Tc=32.8 min CN=74 1.75 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 16 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S3.1: S3.1 Runoff=1.05 cfs @ 12.17 hrs, Volume=0.093 af, Depth=0.78"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 1.02072Woods/grass comb., Good, HSG C 0.40079Woods/grass comb., Good, HSG D 1.42074Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.7600.25000.3 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"13.31400.05500.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"4.41600.01500.6 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 21.4360Total Subcatchment S3.1: S3.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=1.420 ac Runoff Volume=0.093 af Runoff Depth=0.78"Flow Length=360'Tc=21.4 min CN=74 1.05 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 17 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D: TOTAL DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =51.050 ac, Inflow Depth > 1.09" for 2 YR event Inflow=6.62 cfs @ 12.28 hrs, Volume=4.621 af Outflow=6.62 cfs @ 12.28 hrs, Volume=4.621 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D: TOTAL DISCHARGE Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)7 6 5 4 3 2 1 0 Inflow Area=51.050 ac 6.62 cfs 6.62 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 18 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D1: DISCHARGE 1 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =42.740 ac, Inflow Depth > 1.14" for 2 YR event Inflow=3.99 cfs @ 14.77 hrs, Volume=4.063 af Outflow=3.99 cfs @ 14.77 hrs, Volume=4.063 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D1: DISCHARGE 1 Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)4 3 2 1 0 Inflow Area=42.740 ac 3.99 cfs 3.99 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 19 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D2: DISCHARGE 2 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =49.630 ac, Inflow Depth > 1.09" for 2 YR event Inflow=5.83 cfs @ 12.33 hrs, Volume=4.528 af Outflow=5.83 cfs @ 12.33 hrs, Volume=4.528 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D2: DISCHARGE 2 Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)6 5 4 3 2 1 0 Inflow Area=49.630 ac 5.83 cfs 5.83 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 20 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D3: DISCHARGE 3 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =1.420 ac, Inflow Depth = 0.78" for 2 YR event Inflow=1.05 cfs @ 12.17 hrs, Volume=0.093 af Outflow=1.05 cfs @ 12.17 hrs, Volume=0.093 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D3: DISCHARGE 3 Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)1 0 Inflow Area=1.420 ac 1.05 cfs 1.05 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 21 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D4: FT DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =26.050 ac, Inflow Depth > 1.25" for 2 YR event Inflow=4.18 cfs @ 12.23 hrs, Volume=2.716 af Outflow=4.18 cfs @ 12.23 hrs, Volume=2.716 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D4: FT DISCHARGE Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)4 3 2 1 0 Inflow Area=26.050 ac 4.18 cfs 4.18 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 22 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4B: POND B Inflow Area =3.790 ac, Inflow Depth = 1.29" for 2 YR event Inflow=5.84 cfs @ 12.10 hrs, Volume=0.407 af Outflow=4.72 cfs @ 12.18 hrs, Volume=0.407 af, Atten= 19%, Lag= 5.2 min Primary=4.72 cfs @ 12.18 hrs, Volume=0.407 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 906.85' @ 12.19 hrs Surf.Area= 0.048 ac Storage= 0.043 af Plug-Flow detention time= 13.7 min calculated for 0.407 af (100% of inflow)Center-of-Mass det. time= 12.1 min ( 858.0 - 845.9 )VolumeInvertAvail.StorageStorage Description #1905.59'0.315 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)905.590.020108.00.0000.0000.020 906.000.030121.00.0100.0100.026 908.000.080218.00.1060.1160.086 910.000.120320.00.1990.3150.187 DeviceRoutingInvertOutlet Devices #1Device 2905.59'15.0" x 140.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 903.51' S= 0.0149 '/' Cc= 0.900 n= 0.012 #2Primary897.99'15.0" x 40.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 897.66' S= 0.0083 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=4.66 cfs @ 12.18 hrs HW=906.84' TW=897.44' (Dynamic Tailwater)2=Culvert (Passes 4.66 cfs of 16.94 cfs potential flow)1=Culvert (Inlet Controls 4.66 cfs @ 3.8 fps)Pond 4B: POND B Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)6 5 4 3 2 1 0 Inflow Area=3.790 ac Peak Elev=906.85'Storage=0.043 af 5.84 cfs 4.72 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 23 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4C: POND C Inflow Area =8.360 ac, Inflow Depth = 1.29" for 2 YR event Inflow=13.39 cfs @ 12.08 hrs, Volume=0.897 af Outflow=7.05 cfs @ 12.25 hrs, Volume=0.895 af, Atten= 47%, Lag= 10.1 min Primary=7.05 cfs @ 12.25 hrs, Volume=0.895 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 898.83' @ 12.25 hrs Surf.Area= 0.160 ac Storage= 0.238 af Plug-Flow detention time= 76.5 min calculated for 0.895 af (100% of inflow)Center-of-Mass det. time= 75.3 min ( 919.5 - 844.2 )VolumeInvertAvail.StorageStorage Description #1897.09'0.919 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)897.090.110332.00.0000.0000.110 898.000.140352.00.1130.1130.136 900.000.190408.00.3290.4420.216 902.000.290566.00.4760.9190.498 DeviceRoutingInvertOutlet Devices #1Primary897.09'18.0" x 35.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 896.97' S= 0.0034 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=6.89 cfs @ 12.25 hrs HW=898.80' TW=897.52' (Dynamic Tailwater)1=Culvert (Barrel Controls 6.89 cfs @ 4.3 fps)Pond 4C: POND C Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=8.360 ac Peak Elev=898.83'Storage=0.238 af 18.0" x 35.0' Culvert 13.39 cfs 7.05 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 24 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4D: POND D Inflow Area =2.090 ac, Inflow Depth = 1.29" for 2 YR event Inflow=4.25 cfs @ 11.99 hrs, Volume=0.224 af Outflow=1.55 cfs @ 12.15 hrs, Volume=0.223 af, Atten= 64%, Lag= 9.8 min Primary=1.55 cfs @ 12.15 hrs, Volume=0.223 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 892.14' @ 12.15 hrs Surf.Area= 0.123 ac Storage= 0.075 af Plug-Flow detention time= 88.7 min calculated for 0.223 af (100% of inflow)Center-of-Mass det. time= 86.6 min ( 924.3 - 837.7 )VolumeInvertAvail.StorageStorage Description #1891.47'0.338 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)891.470.100364.00.0000.0000.100 892.000.120377.00.0580.0580.118 893.000.140397.00.1300.1880.148 894.000.160420.00.1500.3380.183 DeviceRoutingInvertOutlet Devices #1Primary891.47'18.0" x 15.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 891.38' S= 0.0060 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=1.53 cfs @ 12.15 hrs HW=892.13' TW=0.00' (Dynamic Tailwater)1=Culvert (Barrel Controls 1.53 cfs @ 3.0 fps)Pond 4D: POND D Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)4 3 2 1 0 Inflow Area=2.090 ac Peak Elev=892.14'Storage=0.075 af 18.0" x 15.0' Culvert 4.25 cfs 1.55 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 25 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4P: Ag Urban Wet Inflow Area =22.940 ac, Inflow Depth = 1.29" for 2 YR event Inflow=26.30 cfs @ 12.08 hrs, Volume=2.460 af Outflow=3.11 cfs @ 13.25 hrs, Volume=2.384 af, Atten= 88%, Lag= 70.0 min Primary=3.11 cfs @ 13.25 hrs, Volume=2.384 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 897.82' @ 13.25 hrs Surf.Area= 1.345 ac Storage= 1.191 af Plug-Flow detention time= 393.7 min calculated for 2.380 af (97% of inflow)Center-of-Mass det. time= 373.5 min ( 1,246.3 - 872.9 )VolumeInvertAvail.StorageStorage Description #1896.91'9.353 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)896.911.270908.00.0000.0001.270 898.001.360933.01.4331.4331.357 900.002.0701,232.03.4054.8382.541 902.002.4501,328.04.5159.3532.994 DeviceRoutingInvertOutlet Devices #1Device 2896.91'15.0" x 47.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 896.21' S= 0.0149 '/' Cc= 0.900 n= 0.012 #2Device 3896.21'21.0" x 228.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 895.91' S= 0.0013 '/' Cc= 0.900 n= 0.012 #3Primary892.56'18.0" x 70.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 889.50' S= 0.0437 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=3.11 cfs @ 13.25 hrs HW=897.82' TW=0.00' (Dynamic Tailwater)3=Culvert (Passes 3.11 cfs of 18.07 cfs potential flow)2=Culvert (Passes 3.11 cfs of 6.10 cfs potential flow)1=Culvert (Inlet Controls 3.11 cfs @ 3.2 fps) Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 26 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4P: Ag Urban Wet Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=22.940 ac Peak Elev=897.82'Storage=1.191 af 26.30 cfs 3.11 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 27 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P2.1: DRIVE TO NORTH Inflow Area =46.540 ac, Inflow Depth > 1.12" for 2 YR event Inflow=4.73 cfs @ 12.20 hrs, Volume=4.326 af Outflow=4.64 cfs @ 12.25 hrs, Volume=4.326 af, Atten= 2%, Lag= 2.9 min Primary=4.64 cfs @ 12.25 hrs, Volume=4.326 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 883.03' @ 12.25 hrs Surf.Area= 0.025 ac Storage= 0.010 af Plug-Flow detention time= 1.1 min calculated for 4.326 af (100% of inflow)Center-of-Mass det. time= 1.1 min ( 1,242.9 - 1,241.9 )VolumeInvertAvail.StorageStorage Description #1881.80'0.271 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)881.800.0000.00.0000.0000.000 884.000.080274.00.0590.0590.137 885.000.170343.00.1220.1810.215 885.500.190410.00.0900.2710.308 DeviceRoutingInvertOutlet Devices #1Primary881.80'18.0" x 66.0' long Culvert CMP, projecting, no headwall, Ke= 0.900 Outlet Invert= 879.40' S= 0.0364 '/' Cc= 0.900 n= 0.024 #2Primary885.00'Custom Weir/Orifice, C= 2.62 Head (feet) 0.00 0.50 Width (feet) 10.00 50.00 Primary OutFlow Max=4.53 cfs @ 12.25 hrs HW=883.01' TW=0.00' (Dynamic Tailwater)1=Culvert (Inlet Controls 4.53 cfs @ 3.0 fps)2=Custom Weir/Orifice ( Controls 0.00 cfs)Pond P2.1: DRIVE TO NORTH Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)5 4 3 2 1 0 Inflow Area=46.540 ac Peak Elev=883.03'Storage=0.010 af 4.73 cfs 4.64 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 28 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W1.1: WETLAND Inflow Area =42.740 ac, Inflow Depth > 1.15" for 2 YR event Inflow=20.01 cfs @ 12.18 hrs, Volume=4.095 af Outflow=3.99 cfs @ 14.77 hrs, Volume=4.063 af, Atten= 80%, Lag= 155.8 min Primary=3.99 cfs @ 14.77 hrs, Volume=4.063 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 889.89' @ 14.77 hrs Surf.Area= 0.903 ac Storage= 1.014 af Plug-Flow detention time= 195.5 min calculated for 4.057 af (99% of inflow)Center-of-Mass det. time= 174.9 min ( 1,265.6 - 1,090.7 )VolumeInvertAvail.StorageStorage Description #1888.11'5.520 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)888.110.290806.00.0000.0000.290 890.000.9502,211.01.1121.1128.034 892.003.7702,575.04.4085.52011.219 DeviceRoutingInvertOutlet Devices #1Primary888.10'12.0" x 20.0' long Culvert CMP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 888.08' S= 0.0010 '/' Cc= 0.900 n= 0.012 #2Primary891.23'Custom Weir/Orifice, C= 2.62 Head (feet) 0.00 0.50 Width (feet) 0.00 20.00 Primary OutFlow Max=3.99 cfs @ 14.77 hrs HW=889.89' TW=0.00' (Dynamic Tailwater)1=Culvert (Barrel Controls 3.99 cfs @ 5.1 fps)2=Custom Weir/Orifice ( Controls 0.00 cfs)Pond W1.1: WETLAND Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=42.740 ac Peak Elev=889.89'Storage=1.014 af 20.01 cfs 3.99 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 29 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W2: WETLAND Inflow Area =3.090 ac, Inflow Depth = 0.78" for 2 YR event Inflow=1.75 cfs @ 12.32 hrs, Volume=0.202 af Outflow=1.57 cfs @ 12.44 hrs, Volume=0.202 af, Atten= 11%, Lag= 7.3 min Primary=1.57 cfs @ 12.44 hrs, Volume=0.202 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 896.32' @ 12.44 hrs Surf.Area= 0.115 ac Storage= 0.020 af Plug-Flow detention time= 18.3 min calculated for 0.202 af (100% of inflow)Center-of-Mass det. time= 16.6 min ( 909.2 - 892.6 )VolumeInvertAvail.StorageStorage Description #1896.11'0.151 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)896.110.080222.00.0000.0000.080 897.000.280420.00.1510.1510.312 DeviceRoutingInvertOutlet Devices #1Primary896.11'Custom Weir/Orifice, C= 2.62 Head (feet) 0.00 1.89 Width (feet) 4.00 30.00 Primary OutFlow Max=1.54 cfs @ 12.44 hrs HW=896.31' TW=0.00' (Dynamic Tailwater)1=Custom Weir/Orifice (Weir Controls 1.54 cfs @ 1.4 fps)Pond W2: WETLAND Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)1 0 Inflow Area=3.090 ac Peak Elev=896.32'Storage=0.020 af 1.75 cfs 1.57 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 30 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Time span=0.00-72.00 hrs, dt=0.10 hrs, 721 points Runoff by SCS TR-20 method, UH=SCS Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=1.020 ac Runoff Depth=2.46"Subcatchment FT4.1: FT4.1 Flow Length=200' Tc=19.6 min CN=83 Runoff=2.76 cfs 0.209 af Runoff Area=0.700 ac Runoff Depth=2.46"Subcatchment FT4.2: FT4.2 Flow Length=230' Tc=8.5 min CN=83 Runoff=2.64 cfs 0.144 af Runoff Area=1.390 ac Runoff Depth=2.46"Subcatchment FT4.3: FT4.3 Flow Length=200' Tc=7.2 min CN=83 Runoff=5.41 cfs 0.285 af Runoff Area=7.500 ac Runoff Depth=2.46"Subcatchment FT4.4: FT4.4 Flow Length=530' Tc=14.4 min CN=83 Runoff=23.07 cfs 1.538 af Runoff Area=0.860 ac Runoff Depth=2.46"Subcatchment FT4.5: FT4.5 Flow Length=220' Tc=16.7 min CN=83 Runoff=2.52 cfs 0.176 af Runoff Area=7.350 ac Runoff Depth=2.46"Subcatchment FT4.6: FT4.6 Flow Length=340' Tc=10.9 min CN=83 Runoff=25.21 cfs 1.507 af Runoff Area=3.440 ac Runoff Depth=2.46"Subcatchment FT4.7: FT4.7 Flow Length=380' Tc=15.4 min CN=83 Runoff=10.39 cfs 0.705 af Runoff Area=3.790 ac Runoff Depth=2.46"Subcatchment FT4.8: FT4.8 Flow Length=550' Tc=16.5 min CN=83 Runoff=11.18 cfs 0.777 af Runoff Area=8.250 ac Runoff Depth=2.21"Subcatchment FT5.1: FT5.1 Flow Length=980' Tc=20.3 min CN=80 Runoff=19.62 cfs 1.518 af Runoff Area=8.440 ac Runoff Depth=1.89"Subcatchment S1.1: S1.1 Flow Length=800' Tc=24.5 min CN=76 Runoff=15.33 cfs 1.331 af Runoff Area=3.800 ac Runoff Depth=1.82"Subcatchment S2.1: S2.1 Flow Length=450' Tc=18.2 min CN=75 Runoff=7.84 cfs 0.576 af Runoff Area=3.090 ac Runoff Depth=1.74"Subcatchment S2.2: S2.2 Flow Length=620' Tc=32.8 min CN=74 Runoff=4.25 cfs 0.449 af Runoff Area=1.420 ac Runoff Depth=1.74"Subcatchment S3.1: S3.1 Flow Length=360' Tc=21.4 min CN=74 Runoff=2.51 cfs 0.206 af Inflow=14.09 cfs 9.307 af Reach D: TOTAL DISCHARGE Outflow=14.09 cfs 9.307 af Inflow=5.95 cfs 8.076 af Reach D1: DISCHARGE 1 Outflow=5.95 cfs 8.076 af Inflow=12.52 cfs 9.101 af Reach D2: DISCHARGE 2 Outflow=12.52 cfs 9.101 af Inflow=2.51 cfs 0.206 af Reach D3: DISCHARGE 3 Outflow=2.51 cfs 0.206 af Inflow=10.38 cfs 5.260 af Reach D4: FT DISCHARGE Outflow=10.38 cfs 5.260 af Peak Elev=907.86' Storage=0.105 af Inflow=11.18 cfs 0.777 af Pond 4B: POND B Outflow=7.57 cfs 0.777 af Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 31 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Peak Elev=900.06' Storage=0.454 af Inflow=25.57 cfs 1.714 af Pond 4C: POND C 18.0" x 35.0' Culvert Outflow=12.47 cfs 1.713 af Peak Elev=892.60' Storage=0.133 af Inflow=8.04 cfs 0.429 af Pond 4D: POND D 18.0" x 15.0' Culvert Outflow=3.83 cfs 0.428 af Peak Elev=898.63' Storage=2.347 af Inflow=48.91 cfs 4.703 af Pond 4P: Ag Urban Wet Outflow=6.17 cfs 4.623 af Peak Elev=884.19' Storage=0.075 af Inflow=11.14 cfs 8.652 af Pond P2.1: DRIVE TO NORTH Outflow=8.61 cfs 8.652 af Peak Elev=891.08' Storage=2.785 af Inflow=44.41 cfs 8.110 af Pond W1.1: WETLAND Outflow=5.95 cfs 8.076 af Peak Elev=896.46' Storage=0.038 af Inflow=4.25 cfs 0.449 af Pond W2: WETLAND Outflow=3.97 cfs 0.449 af Total Runoff Area = 51.050 ac Runoff Volume = 9.423 af Average Runoff Depth = 2.21" Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 32 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.1: FT4.1 Runoff=2.76 cfs @ 12.12 hrs, Volume=0.209 af, Depth=2.46"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 1.020831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.5800.20000.4 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"16.11200.02500.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"19.6200Total Subcatchment FT4.1: FT4.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)3 2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=1.020 ac Runoff Volume=0.209 af Runoff Depth=2.46"Flow Length=200'Tc=19.6 min CN=83 2.76 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 33 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.2: FT4.2 [49] Hint: Tc<2dt may require smaller dt Runoff=2.64 cfs @ 11.99 hrs, Volume=0.144 af, Depth=2.46"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 0.700831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)7.3800.08000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"1.21500.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 8.5230Total Subcatchment FT4.2: FT4.2 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=0.700 ac Runoff Volume=0.144 af Runoff Depth=2.46"Flow Length=230'Tc=8.5 min CN=83 2.64 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 34 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.3: FT4.3 [49] Hint: Tc<2dt may require smaller dt Runoff=5.41 cfs @ 11.98 hrs, Volume=0.285 af, Depth=2.46"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 1.390831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)6.0500.02000.1 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"1.21500.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 7.2200Total Subcatchment FT4.3: FT4.3 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)6 5 4 3 2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=1.390 ac Runoff Volume=0.285 af Runoff Depth=2.46"Flow Length=200'Tc=7.2 min CN=83 5.41 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 35 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.4: FT4.4 Runoff=23.07 cfs @ 12.07 hrs, Volume=1.538 af, Depth=2.46"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 7.500831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)11.82000.06000.3 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.63300.02002.1 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 14.4530Total Subcatchment FT4.4: FT4.4 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=7.500 ac Runoff Volume=1.538 af Runoff Depth=2.46"Flow Length=530'Tc=14.4 min CN=83 23.07 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 36 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.5: FT4.5 Runoff=2.52 cfs @ 12.09 hrs, Volume=0.176 af, Depth=2.46"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 0.860831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)16.72000.02500.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"0.0200.20006.7 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 16.7220Total Subcatchment FT4.5: FT4.5 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=0.860 ac Runoff Volume=0.176 af Runoff Depth=2.46"Flow Length=220'Tc=16.7 min CN=83 2.52 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 37 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.6: FT4.6 [49] Hint: Tc<2dt may require smaller dt Runoff=25.21 cfs @ 12.02 hrs, Volume=1.507 af, Depth=2.46"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 7.350831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)8.8800.02000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.12600.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 10.9340Total Subcatchment FT4.6: FT4.6 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=7.350 ac Runoff Volume=1.507 af Runoff Depth=2.46"Flow Length=340'Tc=10.9 min CN=83 25.21 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 38 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.7: FT4.7 Runoff=10.39 cfs @ 12.08 hrs, Volume=0.705 af, Depth=2.46"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 3.440831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)13.31900.04000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.11900.01001.5 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 15.4380Total Subcatchment FT4.7: FT4.7 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=3.440 ac Runoff Volume=0.705 af Runoff Depth=2.46"Flow Length=380'Tc=15.4 min CN=83 10.39 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 39 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.8: FT4.8 Runoff=11.18 cfs @ 12.09 hrs, Volume=0.777 af, Depth=2.46"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 3.790831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)14.62000.03500.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"1.93500.04003.0 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 16.5550Total Subcatchment FT4.8: FT4.8 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)12 11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=3.790 ac Runoff Volume=0.777 af Runoff Depth=2.46"Flow Length=550'Tc=16.5 min CN=83 11.18 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 40 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT5.1: FT5.1 Runoff=19.62 cfs @ 12.13 hrs, Volume=1.518 af, Depth=2.21"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 8.250801/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)15.52000.03000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.64000.03002.6 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 2.23800.02002.9 Shallow Concentrated Flow, Paved Kv= 20.3 fps 20.3980Total Subcatchment FT5.1: FT5.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=8.250 ac Runoff Volume=1.518 af Runoff Depth=2.21"Flow Length=980'Tc=20.3 min CN=80 19.62 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 41 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.1: S1.1 Runoff=15.33 cfs @ 12.19 hrs, Volume=1.331 af, Depth=1.89"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 4.04072Woods/grass comb., Good, HSG C 4.40079Woods/grass comb., Good, HSG D 8.44076Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)4.0600.20000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"13.81400.05000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"6.76000.01001.5 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 24.5800Total Subcatchment S1.1: S1.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=8.440 ac Runoff Volume=1.331 af Runoff Depth=1.89"Flow Length=800'Tc=24.5 min CN=76 15.33 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 42 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.1: S2.1 Runoff=7.84 cfs @ 12.11 hrs, Volume=0.576 af, Depth=1.82"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 2.40072Woods/grass comb., Good, HSG C 1.40079Woods/grass comb., Good, HSG D 3.80075Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)14.02000.10000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"4.22500.02001.0 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 18.2450Total Subcatchment S2.1: S2.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)8 7 6 5 4 3 2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=3.800 ac Runoff Volume=0.576 af Runoff Depth=1.82"Flow Length=450'Tc=18.2 min CN=75 7.84 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 43 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.2: S2.2 Runoff=4.25 cfs @ 12.30 hrs, Volume=0.449 af, Depth=1.74"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 2.29072Woods/grass comb., Good, HSG C 0.80079Woods/grass comb., Good, HSG D 3.09074Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)29.82000.01500.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"3.04200.02502.4 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 32.8620Total Subcatchment S2.2: S2.2 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)4 3 2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=3.090 ac Runoff Volume=0.449 af Runoff Depth=1.74"Flow Length=620'Tc=32.8 min CN=74 4.25 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 44 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S3.1: S3.1 Runoff=2.51 cfs @ 12.15 hrs, Volume=0.206 af, Depth=1.74"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 1.02072Woods/grass comb., Good, HSG C 0.40079Woods/grass comb., Good, HSG D 1.42074Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.7600.25000.3 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"13.31400.05500.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"4.41600.01500.6 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 21.4360Total Subcatchment S3.1: S3.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=1.420 ac Runoff Volume=0.206 af Runoff Depth=1.74"Flow Length=360'Tc=21.4 min CN=74 2.51 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 45 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D: TOTAL DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =51.050 ac, Inflow Depth > 2.19" for 10 YR event Inflow=14.09 cfs @ 12.31 hrs, Volume=9.307 af Outflow=14.09 cfs @ 12.31 hrs, Volume=9.307 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D: TOTAL DISCHARGE Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=51.050 ac 14.09 cfs 14.09 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 46 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D1: DISCHARGE 1 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =42.740 ac, Inflow Depth > 2.27" for 10 YR event Inflow=5.95 cfs @ 16.97 hrs, Volume=8.076 af Outflow=5.95 cfs @ 16.97 hrs, Volume=8.076 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D1: DISCHARGE 1 Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)6 5 4 3 2 1 0 Inflow Area=42.740 ac 5.95 cfs 5.95 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 47 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D2: DISCHARGE 2 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =49.630 ac, Inflow Depth > 2.20" for 10 YR event Inflow=12.52 cfs @ 12.38 hrs, Volume=9.101 af Outflow=12.52 cfs @ 12.38 hrs, Volume=9.101 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D2: DISCHARGE 2 Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=49.630 ac 12.52 cfs 12.52 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 48 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D3: DISCHARGE 3 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =1.420 ac, Inflow Depth = 1.74" for 10 YR event Inflow=2.51 cfs @ 12.15 hrs, Volume=0.206 af Outflow=2.51 cfs @ 12.15 hrs, Volume=0.206 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D3: DISCHARGE 3 Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)2 1 0 Inflow Area=1.420 ac 2.51 cfs 2.51 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 49 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D4: FT DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =26.050 ac, Inflow Depth > 2.42" for 10 YR event Inflow=10.38 cfs @ 12.19 hrs, Volume=5.260 af Outflow=10.38 cfs @ 12.19 hrs, Volume=5.260 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D4: FT DISCHARGE Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=26.050 ac 10.38 cfs 10.38 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 50 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4B: POND B Inflow Area =3.790 ac, Inflow Depth = 2.46" for 10 YR event Inflow=11.18 cfs @ 12.09 hrs, Volume=0.777 af Outflow=7.57 cfs @ 12.22 hrs, Volume=0.777 af, Atten= 32%, Lag= 7.9 min Primary=7.57 cfs @ 12.22 hrs, Volume=0.777 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 907.86' @ 12.22 hrs Surf.Area= 0.076 ac Storage= 0.105 af Plug-Flow detention time= 10.7 min calculated for 0.776 af (100% of inflow)Center-of-Mass det. time= 10.9 min ( 838.3 - 827.4 )VolumeInvertAvail.StorageStorage Description #1905.59'0.315 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)905.590.020108.00.0000.0000.020 906.000.030121.00.0100.0100.026 908.000.080218.00.1060.1160.086 910.000.120320.00.1990.3150.187 DeviceRoutingInvertOutlet Devices #1Device 2905.59'15.0" x 140.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 903.51' S= 0.0149 '/' Cc= 0.900 n= 0.012 #2Primary897.99'15.0" x 40.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 897.66' S= 0.0083 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=7.49 cfs @ 12.22 hrs HW=907.82' TW=898.12' (Dynamic Tailwater)2=Culvert (Passes 7.49 cfs of 17.93 cfs potential flow)1=Culvert (Inlet Controls 7.49 cfs @ 6.1 fps)Pond 4B: POND B Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=3.790 ac Peak Elev=907.86'Storage=0.105 af 11.18 cfs 7.57 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 51 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4C: POND C Inflow Area =8.360 ac, Inflow Depth = 2.46" for 10 YR event Inflow=25.57 cfs @ 12.07 hrs, Volume=1.714 af Outflow=12.47 cfs @ 12.23 hrs, Volume=1.713 af, Atten= 51%, Lag= 9.4 min Primary=12.47 cfs @ 12.23 hrs, Volume=1.713 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 900.06' @ 12.26 hrs Surf.Area= 0.193 ac Storage= 0.454 af Plug-Flow detention time= 71.4 min calculated for 1.710 af (100% of inflow)Center-of-Mass det. time= 73.4 min ( 899.0 - 825.6 )VolumeInvertAvail.StorageStorage Description #1897.09'0.919 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)897.090.110332.00.0000.0000.110 898.000.140352.00.1130.1130.136 900.000.190408.00.3290.4420.216 902.000.290566.00.4760.9190.498 DeviceRoutingInvertOutlet Devices #1Primary897.09'18.0" x 35.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 896.97' S= 0.0034 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=11.74 cfs @ 12.23 hrs HW=900.03' TW=898.13' (Dynamic Tailwater)1=Culvert (Inlet Controls 11.74 cfs @ 6.6 fps)Pond 4C: POND C Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=8.360 ac Peak Elev=900.06'Storage=0.454 af 18.0" x 35.0' Culvert 25.57 cfs 12.47 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 52 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4D: POND D Inflow Area =2.090 ac, Inflow Depth = 2.46" for 10 YR event Inflow=8.04 cfs @ 11.99 hrs, Volume=0.429 af Outflow=3.83 cfs @ 12.13 hrs, Volume=0.428 af, Atten= 52%, Lag= 8.4 min Primary=3.83 cfs @ 12.13 hrs, Volume=0.428 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 892.60' @ 12.13 hrs Surf.Area= 0.132 ac Storage= 0.133 af Plug-Flow detention time= 64.9 min calculated for 0.428 af (100% of inflow)Center-of-Mass det. time= 63.6 min ( 882.7 - 819.1 )VolumeInvertAvail.StorageStorage Description #1891.47'0.338 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)891.470.100364.00.0000.0000.100 892.000.120377.00.0580.0580.118 893.000.140397.00.1300.1880.148 894.000.160420.00.1500.3380.183 DeviceRoutingInvertOutlet Devices #1Primary891.47'18.0" x 15.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 891.38' S= 0.0060 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=3.72 cfs @ 12.13 hrs HW=892.58' TW=0.00' (Dynamic Tailwater)1=Culvert (Barrel Controls 3.72 cfs @ 3.7 fps)Pond 4D: POND D Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)9 8 7 6 5 4 3 2 1 0 Inflow Area=2.090 ac Peak Elev=892.60'Storage=0.133 af 18.0" x 15.0' Culvert 8.04 cfs 3.83 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 53 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4P: Ag Urban Wet Inflow Area =22.940 ac, Inflow Depth = 2.46" for 10 YR event Inflow=48.91 cfs @ 12.06 hrs, Volume=4.703 af Outflow=6.17 cfs @ 13.11 hrs, Volume=4.623 af, Atten= 87%, Lag= 63.2 min Primary=6.17 cfs @ 13.11 hrs, Volume=4.623 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 898.63' @ 13.11 hrs Surf.Area= 1.566 ac Storage= 2.347 af Plug-Flow detention time= 322.0 min calculated for 4.623 af (98% of inflow)Center-of-Mass det. time= 307.8 min ( 1,161.2 - 853.4 )VolumeInvertAvail.StorageStorage Description #1896.91'9.353 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)896.911.270908.00.0000.0001.270 898.001.360933.01.4331.4331.357 900.002.0701,232.03.4054.8382.541 902.002.4501,328.04.5159.3532.994 DeviceRoutingInvertOutlet Devices #1Device 2896.91'15.0" x 47.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 896.21' S= 0.0149 '/' Cc= 0.900 n= 0.012 #2Device 3896.21'21.0" x 228.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 895.91' S= 0.0013 '/' Cc= 0.900 n= 0.012 #3Primary892.56'18.0" x 70.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 889.50' S= 0.0437 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=6.17 cfs @ 13.11 hrs HW=898.63' TW=0.00' (Dynamic Tailwater)3=Culvert (Passes 6.17 cfs of 19.62 cfs potential flow)2=Culvert (Passes 6.17 cfs of 9.05 cfs potential flow)1=Culvert (Inlet Controls 6.17 cfs @ 5.0 fps) Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 54 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4P: Ag Urban Wet Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)50 45 40 35 30 25 20 15 10 5 0 Inflow Area=22.940 ac Peak Elev=898.63'Storage=2.347 af 48.91 cfs 6.17 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 55 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P2.1: DRIVE TO NORTH Inflow Area =46.540 ac, Inflow Depth > 2.23" for 10 YR event Inflow=11.14 cfs @ 12.15 hrs, Volume=8.652 af Outflow=8.61 cfs @ 12.34 hrs, Volume=8.652 af, Atten= 23%, Lag= 11.4 min Primary=8.61 cfs @ 12.34 hrs, Volume=8.652 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 884.19' @ 12.34 hrs Surf.Area= 0.095 ac Storage= 0.075 af Plug-Flow detention time= 2.3 min calculated for 8.640 af (100% of inflow)Center-of-Mass det. time= 2.3 min ( 1,265.5 - 1,263.2 )VolumeInvertAvail.StorageStorage Description #1881.80'0.271 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)881.800.0000.00.0000.0000.000 884.000.080274.00.0590.0590.137 885.000.170343.00.1220.1810.215 885.500.190410.00.0900.2710.308 DeviceRoutingInvertOutlet Devices #1Primary881.80'18.0" x 66.0' long Culvert CMP, projecting, no headwall, Ke= 0.900 Outlet Invert= 879.40' S= 0.0364 '/' Cc= 0.900 n= 0.024 #2Primary885.00'Custom Weir/Orifice, C= 2.62 Head (feet) 0.00 0.50 Width (feet) 10.00 50.00 Primary OutFlow Max=8.56 cfs @ 12.34 hrs HW=884.17' TW=0.00' (Dynamic Tailwater)1=Culvert (Inlet Controls 8.56 cfs @ 4.8 fps)2=Custom Weir/Orifice ( Controls 0.00 cfs)Pond P2.1: DRIVE TO NORTH Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=46.540 ac Peak Elev=884.19'Storage=0.075 af 11.14 cfs 8.61 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 56 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W1.1: WETLAND Inflow Area =42.740 ac, Inflow Depth > 2.28" for 10 YR event Inflow=44.41 cfs @ 12.16 hrs, Volume=8.110 af Outflow=5.95 cfs @ 16.97 hrs, Volume=8.076 af, Atten= 87%, Lag= 288.7 min Primary=5.95 cfs @ 16.97 hrs, Volume=8.076 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 891.08' @ 16.97 hrs Surf.Area= 2.240 ac Storage= 2.785 af Plug-Flow detention time= 276.0 min calculated for 8.065 af (99% of inflow)Center-of-Mass det. time= 265.1 min ( 1,292.6 - 1,027.5 )VolumeInvertAvail.StorageStorage Description #1888.11'5.520 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)888.110.290806.00.0000.0000.290 890.000.9502,211.01.1121.1128.034 892.003.7702,575.04.4085.52011.219 DeviceRoutingInvertOutlet Devices #1Primary888.10'12.0" x 20.0' long Culvert CMP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 888.08' S= 0.0010 '/' Cc= 0.900 n= 0.012 #2Primary891.23'Custom Weir/Orifice, C= 2.62 Head (feet) 0.00 0.50 Width (feet) 0.00 20.00 Primary OutFlow Max=5.95 cfs @ 16.97 hrs HW=891.08' TW=0.00' (Dynamic Tailwater)1=Culvert (Inlet Controls 5.95 cfs @ 7.6 fps)2=Custom Weir/Orifice ( Controls 0.00 cfs)Pond W1.1: WETLAND Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=42.740 ac Peak Elev=891.08'Storage=2.785 af 44.41 cfs 5.95 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 57 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W2: WETLAND Inflow Area =3.090 ac, Inflow Depth = 1.74" for 10 YR event Inflow=4.25 cfs @ 12.30 hrs, Volume=0.449 af Outflow=3.97 cfs @ 12.39 hrs, Volume=0.449 af, Atten= 7%, Lag= 5.6 min Primary=3.97 cfs @ 12.39 hrs, Volume=0.449 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 896.46' @ 12.39 hrs Surf.Area= 0.144 ac Storage= 0.038 af Plug-Flow detention time= 14.4 min calculated for 0.449 af (100% of inflow)Center-of-Mass det. time= 12.6 min ( 880.5 - 867.9 )VolumeInvertAvail.StorageStorage Description #1896.11'0.151 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)896.110.080222.00.0000.0000.080 897.000.280420.00.1510.1510.312 DeviceRoutingInvertOutlet Devices #1Primary896.11'Custom Weir/Orifice, C= 2.62 Head (feet) 0.00 1.89 Width (feet) 4.00 30.00 Primary OutFlow Max=3.94 cfs @ 12.39 hrs HW=896.46' TW=0.00' (Dynamic Tailwater)1=Custom Weir/Orifice (Weir Controls 3.94 cfs @ 1.8 fps)Pond W2: WETLAND Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)4 3 2 1 0 Inflow Area=3.090 ac Peak Elev=896.46'Storage=0.038 af 4.25 cfs 3.97 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 58 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Time span=0.00-72.00 hrs, dt=0.10 hrs, 721 points Runoff by SCS TR-20 method, UH=SCS Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=1.020 ac Runoff Depth=4.09"Subcatchment FT4.1: FT4.1 Flow Length=200' Tc=19.6 min CN=83 Runoff=4.55 cfs 0.348 af Runoff Area=0.700 ac Runoff Depth=4.09"Subcatchment FT4.2: FT4.2 Flow Length=230' Tc=8.5 min CN=83 Runoff=4.31 cfs 0.239 af Runoff Area=1.390 ac Runoff Depth=4.09"Subcatchment FT4.3: FT4.3 Flow Length=200' Tc=7.2 min CN=83 Runoff=8.80 cfs 0.474 af Runoff Area=7.500 ac Runoff Depth=4.09"Subcatchment FT4.4: FT4.4 Flow Length=530' Tc=14.4 min CN=83 Runoff=37.80 cfs 2.557 af Runoff Area=0.860 ac Runoff Depth=4.09"Subcatchment FT4.5: FT4.5 Flow Length=220' Tc=16.7 min CN=83 Runoff=4.14 cfs 0.293 af Runoff Area=7.350 ac Runoff Depth=4.09"Subcatchment FT4.6: FT4.6 Flow Length=340' Tc=10.9 min CN=83 Runoff=41.37 cfs 2.506 af Runoff Area=3.440 ac Runoff Depth=4.09"Subcatchment FT4.7: FT4.7 Flow Length=380' Tc=15.4 min CN=83 Runoff=17.03 cfs 1.173 af Runoff Area=3.790 ac Runoff Depth=4.09"Subcatchment FT4.8: FT4.8 Flow Length=550' Tc=16.5 min CN=83 Runoff=18.34 cfs 1.292 af Runoff Area=8.250 ac Runoff Depth=3.78"Subcatchment FT5.1: FT5.1 Flow Length=980' Tc=20.3 min CN=80 Runoff=33.56 cfs 2.600 af Runoff Area=8.440 ac Runoff Depth=3.38"Subcatchment S1.1: S1.1 Flow Length=800' Tc=24.5 min CN=76 Runoff=27.66 cfs 2.377 af Runoff Area=3.800 ac Runoff Depth=3.28"Subcatchment S2.1: S2.1 Flow Length=450' Tc=18.2 min CN=75 Runoff=14.30 cfs 1.039 af Runoff Area=3.090 ac Runoff Depth=3.18"Subcatchment S2.2: S2.2 Flow Length=620' Tc=32.8 min CN=74 Runoff=7.94 cfs 0.820 af Runoff Area=1.420 ac Runoff Depth=3.18"Subcatchment S3.1: S3.1 Flow Length=360' Tc=21.4 min CN=74 Runoff=4.72 cfs 0.377 af Inflow=24.99 cfs 15.974 af Reach D: TOTAL DISCHARGE Outflow=24.99 cfs 15.974 af Inflow=11.90 cfs 13.737 af Reach D1: DISCHARGE 1 Outflow=11.90 cfs 13.737 af Inflow=21.89 cfs 15.597 af Reach D2: DISCHARGE 2 Outflow=21.89 cfs 15.597 af Inflow=4.72 cfs 0.377 af Reach D3: DISCHARGE 3 Outflow=4.72 cfs 0.377 af Inflow=17.51 cfs 8.796 af Reach D4: FT DISCHARGE Outflow=17.51 cfs 8.796 af Peak Elev=909.18' Storage=0.223 af Inflow=18.34 cfs 1.292 af Pond 4B: POND B Outflow=10.01 cfs 1.292 af Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 59 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Peak Elev=901.71' Storage=0.838 af Inflow=41.89 cfs 2.850 af Pond 4C: POND C 18.0" x 35.0' Culvert Outflow=14.76 cfs 2.849 af Peak Elev=893.10' Storage=0.203 af Inflow=13.09 cfs 0.713 af Pond 4D: POND D 18.0" x 15.0' Culvert Outflow=6.75 cfs 0.712 af Peak Elev=899.61' Storage=4.066 af Inflow=77.66 cfs 7.820 af Pond 4P: Ag Urban Wet Outflow=8.52 cfs 7.736 af Peak Elev=885.17' Storage=0.211 af Inflow=19.38 cfs 14.777 af Pond P2.1: DRIVE TO NORTH Outflow=14.48 cfs 14.777 af Peak Elev=891.63' Storage=4.251 af Inflow=77.77 cfs 13.773 af Pond W1.1: WETLAND Outflow=11.90 cfs 13.737 af Peak Elev=896.60' Storage=0.061 af Inflow=7.94 cfs 0.820 af Pond W2: WETLAND Outflow=7.53 cfs 0.820 af Total Runoff Area = 51.050 ac Runoff Volume = 16.095 af Average Runoff Depth = 3.78" Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 60 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.1: FT4.1 Runoff=4.55 cfs @ 12.12 hrs, Volume=0.348 af, Depth=4.09"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 1.020831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.5800.20000.4 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"16.11200.02500.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"19.6200Total Subcatchment FT4.1: FT4.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)5 4 3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=1.020 ac Runoff Volume=0.348 af Runoff Depth=4.09"Flow Length=200'Tc=19.6 min CN=83 4.55 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 61 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.2: FT4.2 [49] Hint: Tc<2dt may require smaller dt Runoff=4.31 cfs @ 11.99 hrs, Volume=0.239 af, Depth=4.09"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 0.700831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)7.3800.08000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"1.21500.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 8.5230Total Subcatchment FT4.2: FT4.2 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)4 3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=0.700 ac Runoff Volume=0.239 af Runoff Depth=4.09"Flow Length=230'Tc=8.5 min CN=83 4.31 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 62 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.3: FT4.3 [49] Hint: Tc<2dt may require smaller dt Runoff=8.80 cfs @ 11.98 hrs, Volume=0.474 af, Depth=4.09"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 1.390831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)6.0500.02000.1 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"1.21500.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 7.2200Total Subcatchment FT4.3: FT4.3 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)9 8 7 6 5 4 3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=1.390 ac Runoff Volume=0.474 af Runoff Depth=4.09"Flow Length=200'Tc=7.2 min CN=83 8.80 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 63 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.4: FT4.4 Runoff=37.80 cfs @ 12.06 hrs, Volume=2.557 af, Depth=4.09"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 7.500831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)11.82000.06000.3 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.63300.02002.1 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 14.4530Total Subcatchment FT4.4: FT4.4 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=7.500 ac Runoff Volume=2.557 af Runoff Depth=4.09"Flow Length=530'Tc=14.4 min CN=83 37.80 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 64 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.5: FT4.5 Runoff=4.14 cfs @ 12.09 hrs, Volume=0.293 af, Depth=4.09"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 0.860831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)16.72000.02500.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"0.0200.20006.7 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 16.7220Total Subcatchment FT4.5: FT4.5 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)4 3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=0.860 ac Runoff Volume=0.293 af Runoff Depth=4.09"Flow Length=220'Tc=16.7 min CN=83 4.14 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 65 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.6: FT4.6 [49] Hint: Tc<2dt may require smaller dt Runoff=41.37 cfs @ 12.01 hrs, Volume=2.506 af, Depth=4.09"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 7.350831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)8.8800.02000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.12600.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 10.9340Total Subcatchment FT4.6: FT4.6 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=7.350 ac Runoff Volume=2.506 af Runoff Depth=4.09"Flow Length=340'Tc=10.9 min CN=83 41.37 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 66 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.7: FT4.7 Runoff=17.03 cfs @ 12.08 hrs, Volume=1.173 af, Depth=4.09"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 3.440831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)13.31900.04000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.11900.01001.5 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 15.4380Total Subcatchment FT4.7: FT4.7 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=3.440 ac Runoff Volume=1.173 af Runoff Depth=4.09"Flow Length=380'Tc=15.4 min CN=83 17.03 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 67 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.8: FT4.8 Runoff=18.34 cfs @ 12.09 hrs, Volume=1.292 af, Depth=4.09"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 3.790831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)14.62000.03500.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"1.93500.04003.0 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 16.5550Total Subcatchment FT4.8: FT4.8 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=3.790 ac Runoff Volume=1.292 af Runoff Depth=4.09"Flow Length=550'Tc=16.5 min CN=83 18.34 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 68 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT5.1: FT5.1 Runoff=33.56 cfs @ 12.13 hrs, Volume=2.600 af, Depth=3.78"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 8.250801/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)15.52000.03000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.64000.03002.6 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 2.23800.02002.9 Shallow Concentrated Flow, Paved Kv= 20.3 fps 20.3980Total Subcatchment FT5.1: FT5.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=8.250 ac Runoff Volume=2.600 af Runoff Depth=3.78"Flow Length=980'Tc=20.3 min CN=80 33.56 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 69 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.1: S1.1 Runoff=27.66 cfs @ 12.19 hrs, Volume=2.377 af, Depth=3.38"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 4.04072Woods/grass comb., Good, HSG C 4.40079Woods/grass comb., Good, HSG D 8.44076Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)4.0600.20000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"13.81400.05000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"6.76000.01001.5 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 24.5800Total Subcatchment S1.1: S1.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=8.440 ac Runoff Volume=2.377 af Runoff Depth=3.38"Flow Length=800'Tc=24.5 min CN=76 27.66 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 70 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.1: S2.1 Runoff=14.30 cfs @ 12.11 hrs, Volume=1.039 af, Depth=3.28"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 2.40072Woods/grass comb., Good, HSG C 1.40079Woods/grass comb., Good, HSG D 3.80075Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)14.02000.10000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"4.22500.02001.0 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 18.2450Total Subcatchment S2.1: S2.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=3.800 ac Runoff Volume=1.039 af Runoff Depth=3.28"Flow Length=450'Tc=18.2 min CN=75 14.30 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 71 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.2: S2.2 Runoff=7.94 cfs @ 12.29 hrs, Volume=0.820 af, Depth=3.18"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 2.29072Woods/grass comb., Good, HSG C 0.80079Woods/grass comb., Good, HSG D 3.09074Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)29.82000.01500.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"3.04200.02502.4 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 32.8620Total Subcatchment S2.2: S2.2 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)8 7 6 5 4 3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=3.090 ac Runoff Volume=0.820 af Runoff Depth=3.18"Flow Length=620'Tc=32.8 min CN=74 7.94 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 72 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S3.1: S3.1 Runoff=4.72 cfs @ 12.15 hrs, Volume=0.377 af, Depth=3.18"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 1.02072Woods/grass comb., Good, HSG C 0.40079Woods/grass comb., Good, HSG D 1.42074Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.7600.25000.3 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"13.31400.05500.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"4.41600.01500.6 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 21.4360Total Subcatchment S3.1: S3.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)5 4 3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=1.420 ac Runoff Volume=0.377 af Runoff Depth=3.18"Flow Length=360'Tc=21.4 min CN=74 4.72 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 73 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D: TOTAL DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =51.050 ac, Inflow Depth > 3.75" for 100 YR event Inflow=24.99 cfs @ 12.30 hrs, Volume=15.974 af Outflow=24.99 cfs @ 12.30 hrs, Volume=15.974 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D: TOTAL DISCHARGE Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=51.050 ac 24.99 cfs 24.99 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 74 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D1: DISCHARGE 1 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =42.740 ac, Inflow Depth > 3.86" for 100 YR event Inflow=11.90 cfs @ 14.63 hrs, Volume=13.737 af Outflow=11.90 cfs @ 14.63 hrs, Volume=13.737 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D1: DISCHARGE 1 Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=42.740 ac 11.90 cfs 11.90 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 75 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D2: DISCHARGE 2 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =49.630 ac, Inflow Depth > 3.77" for 100 YR event Inflow=21.89 cfs @ 12.32 hrs, Volume=15.597 af Outflow=21.89 cfs @ 12.32 hrs, Volume=15.597 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D2: DISCHARGE 2 Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=49.630 ac 21.89 cfs 21.89 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 76 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D3: DISCHARGE 3 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =1.420 ac, Inflow Depth = 3.18" for 100 YR event Inflow=4.72 cfs @ 12.15 hrs, Volume=0.377 af Outflow=4.72 cfs @ 12.15 hrs, Volume=0.377 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D3: DISCHARGE 3 Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)5 4 3 2 1 0 Inflow Area=1.420 ac 4.72 cfs 4.72 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 77 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D4: FT DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =26.050 ac, Inflow Depth > 4.05" for 100 YR event Inflow=17.51 cfs @ 12.14 hrs, Volume=8.796 af Outflow=17.51 cfs @ 12.14 hrs, Volume=8.796 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D4: FT DISCHARGE Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=26.050 ac 17.51 cfs 17.51 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 78 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4B: POND B Inflow Area =3.790 ac, Inflow Depth = 4.09" for 100 YR event Inflow=18.34 cfs @ 12.09 hrs, Volume=1.292 af Outflow=10.01 cfs @ 12.26 hrs, Volume=1.292 af, Atten= 45%, Lag= 10.4 min Primary=10.01 cfs @ 12.26 hrs, Volume=1.292 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 909.18' @ 12.26 hrs Surf.Area= 0.103 ac Storage= 0.223 af Plug-Flow detention time= 13.6 min calculated for 1.292 af (100% of inflow)Center-of-Mass det. time= 11.8 min ( 824.7 - 812.9 )VolumeInvertAvail.StorageStorage Description #1905.59'0.315 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)905.590.020108.00.0000.0000.020 906.000.030121.00.0100.0100.026 908.000.080218.00.1060.1160.086 910.000.120320.00.1990.3150.187 DeviceRoutingInvertOutlet Devices #1Device 2905.59'15.0" x 140.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 903.51' S= 0.0149 '/' Cc= 0.900 n= 0.012 #2Primary897.99'15.0" x 40.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 897.66' S= 0.0083 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=9.96 cfs @ 12.26 hrs HW=909.14' TW=898.94' (Dynamic Tailwater)2=Culvert (Passes 9.96 cfs of 18.87 cfs potential flow)1=Culvert (Barrel Controls 9.96 cfs @ 8.1 fps)Pond 4B: POND B Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=3.790 ac Peak Elev=909.18'Storage=0.223 af 18.34 cfs 10.01 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 79 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4C: POND C Inflow Area =8.360 ac, Inflow Depth = 4.09" for 100 YR event Inflow=41.89 cfs @ 12.07 hrs, Volume=2.850 af Outflow=14.76 cfs @ 12.22 hrs, Volume=2.849 af, Atten= 65%, Lag= 8.9 min Primary=14.76 cfs @ 12.22 hrs, Volume=2.849 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 901.71' @ 12.32 hrs Surf.Area= 0.274 ac Storage= 0.838 af Plug-Flow detention time= 83.9 min calculated for 2.845 af (100% of inflow)Center-of-Mass det. time= 85.7 min ( 896.9 - 811.2 )VolumeInvertAvail.StorageStorage Description #1897.09'0.919 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)897.090.110332.00.0000.0000.110 898.000.140352.00.1130.1130.136 900.000.190408.00.3290.4420.216 902.000.290566.00.4760.9190.498 DeviceRoutingInvertOutlet Devices #1Primary897.09'18.0" x 35.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 896.97' S= 0.0034 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=14.01 cfs @ 12.22 hrs HW=901.57' TW=898.86' (Dynamic Tailwater)1=Culvert (Inlet Controls 14.01 cfs @ 7.9 fps)Pond 4C: POND C Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=8.360 ac Peak Elev=901.71'Storage=0.838 af 18.0" x 35.0' Culvert 41.89 cfs 14.76 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 80 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4D: POND D Inflow Area =2.090 ac, Inflow Depth = 4.09" for 100 YR event Inflow=13.09 cfs @ 11.98 hrs, Volume=0.713 af Outflow=6.75 cfs @ 12.12 hrs, Volume=0.712 af, Atten= 48%, Lag= 7.9 min Primary=6.75 cfs @ 12.12 hrs, Volume=0.712 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 893.10' @ 12.12 hrs Surf.Area= 0.142 ac Storage= 0.203 af Plug-Flow detention time= 49.8 min calculated for 0.711 af (100% of inflow)Center-of-Mass det. time= 51.4 min ( 856.1 - 804.7 )VolumeInvertAvail.StorageStorage Description #1891.47'0.338 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)891.470.100364.00.0000.0000.100 892.000.120377.00.0580.0580.118 893.000.140397.00.1300.1880.148 894.000.160420.00.1500.3380.183 DeviceRoutingInvertOutlet Devices #1Primary891.47'18.0" x 15.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 891.38' S= 0.0060 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=6.63 cfs @ 12.12 hrs HW=893.08' TW=0.00' (Dynamic Tailwater)1=Culvert (Barrel Controls 6.63 cfs @ 4.3 fps)Pond 4D: POND D Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=2.090 ac Peak Elev=893.10'Storage=0.203 af 18.0" x 15.0' Culvert 13.09 cfs 6.75 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 81 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4P: Ag Urban Wet Inflow Area =22.940 ac, Inflow Depth = 4.09" for 100 YR event Inflow=77.66 cfs @ 12.04 hrs, Volume=7.820 af Outflow=8.52 cfs @ 13.44 hrs, Volume=7.736 af, Atten= 89%, Lag= 83.9 min Primary=8.52 cfs @ 13.44 hrs, Volume=7.736 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 899.61' @ 13.44 hrs Surf.Area= 1.921 ac Storage= 4.066 af Plug-Flow detention time= 322.8 min calculated for 7.726 af (99% of inflow)Center-of-Mass det. time= 316.1 min ( 1,159.7 - 843.6 )VolumeInvertAvail.StorageStorage Description #1896.91'9.353 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)896.911.270908.00.0000.0001.270 898.001.360933.01.4331.4331.357 900.002.0701,232.03.4054.8382.541 902.002.4501,328.04.5159.3532.994 DeviceRoutingInvertOutlet Devices #1Device 2896.91'15.0" x 47.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 896.21' S= 0.0149 '/' Cc= 0.900 n= 0.012 #2Device 3896.21'21.0" x 228.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 895.91' S= 0.0013 '/' Cc= 0.900 n= 0.012 #3Primary892.56'18.0" x 70.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 889.50' S= 0.0437 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=8.52 cfs @ 13.44 hrs HW=899.61' TW=0.00' (Dynamic Tailwater)3=Culvert (Passes 8.52 cfs of 21.36 cfs potential flow)2=Culvert (Passes 8.52 cfs of 12.87 cfs potential flow)1=Culvert (Inlet Controls 8.52 cfs @ 6.9 fps) Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 82 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4P: Ag Urban Wet Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 Inflow Area=22.940 ac Peak Elev=899.61'Storage=4.066 af 77.66 cfs 8.52 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 83 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P2.1: DRIVE TO NORTH Inflow Area =46.540 ac, Inflow Depth > 3.81" for 100 YR event Inflow=19.38 cfs @ 12.12 hrs, Volume=14.777 af Outflow=14.48 cfs @ 12.31 hrs, Volume=14.777 af, Atten= 25%, Lag= 11.4 min Primary=14.48 cfs @ 12.31 hrs, Volume=14.777 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 885.17' @ 12.32 hrs Surf.Area= 0.177 ac Storage= 0.211 af Plug-Flow detention time= 7.0 min calculated for 14.777 af (100% of inflow)Center-of-Mass det. time= 7.0 min ( 1,278.8 - 1,271.8 )VolumeInvertAvail.StorageStorage Description #1881.80'0.271 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)881.800.0000.00.0000.0000.000 884.000.080274.00.0590.0590.137 885.000.170343.00.1220.1810.215 885.500.190410.00.0900.2710.308 DeviceRoutingInvertOutlet Devices #1Primary881.80'18.0" x 66.0' long Culvert CMP, projecting, no headwall, Ke= 0.900 Outlet Invert= 879.40' S= 0.0364 '/' Cc= 0.900 n= 0.024 #2Primary885.00'Custom Weir/Orifice, C= 2.62 Head (feet) 0.00 0.50 Width (feet) 10.00 50.00 Primary OutFlow Max=14.17 cfs @ 12.31 hrs HW=885.16' TW=0.00' (Dynamic Tailwater)1=Culvert (Inlet Controls 10.86 cfs @ 6.1 fps)2=Custom Weir/Orifice (Weir Controls 3.31 cfs @ 1.2 fps)Pond P2.1: DRIVE TO NORTH Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=46.540 ac Peak Elev=885.17'Storage=0.211 af 19.38 cfs 14.48 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 84 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W1.1: WETLAND Inflow Area =42.740 ac, Inflow Depth > 3.87" for 100 YR event Inflow=77.77 cfs @ 12.15 hrs, Volume=13.773 af Outflow=11.90 cfs @ 14.63 hrs, Volume=13.737 af, Atten= 85%, Lag= 149.2 min Primary=11.90 cfs @ 14.63 hrs, Volume=13.737 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 891.63' @ 14.63 hrs Surf.Area= 3.108 ac Storage= 4.251 af Plug-Flow detention time= 294.9 min calculated for 13.718 af (100% of inflow)Center-of-Mass det. time= 288.4 min ( 1,304.9 - 1,016.5 )VolumeInvertAvail.StorageStorage Description #1888.11'5.520 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)888.110.290806.00.0000.0000.290 890.000.9502,211.01.1121.1128.034 892.003.7702,575.04.4085.52011.219 DeviceRoutingInvertOutlet Devices #1Primary888.10'12.0" x 20.0' long Culvert CMP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 888.08' S= 0.0010 '/' Cc= 0.900 n= 0.012 #2Primary891.23'Custom Weir/Orifice, C= 2.62 Head (feet) 0.00 0.50 Width (feet) 0.00 20.00 Primary OutFlow Max=11.90 cfs @ 14.63 hrs HW=891.63' TW=0.00' (Dynamic Tailwater)1=Culvert (Inlet Controls 6.58 cfs @ 8.4 fps)2=Custom Weir/Orifice (Weir Controls 5.32 cfs @ 1.7 fps)Pond W1.1: WETLAND Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 Inflow Area=42.740 ac Peak Elev=891.63'Storage=4.251 af 77.77 cfs 11.90 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 85 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W2: WETLAND Inflow Area =3.090 ac, Inflow Depth = 3.18" for 100 YR event Inflow=7.94 cfs @ 12.29 hrs, Volume=0.820 af Outflow=7.53 cfs @ 12.37 hrs, Volume=0.820 af, Atten= 5%, Lag= 4.7 min Primary=7.53 cfs @ 12.37 hrs, Volume=0.820 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 896.60' @ 12.37 hrs Surf.Area= 0.175 ac Storage= 0.061 af Plug-Flow detention time= 10.4 min calculated for 0.819 af (100% of inflow)Center-of-Mass det. time= 10.6 min ( 861.1 - 850.5 )VolumeInvertAvail.StorageStorage Description #1896.11'0.151 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)896.110.080222.00.0000.0000.080 897.000.280420.00.1510.1510.312 DeviceRoutingInvertOutlet Devices #1Primary896.11'Custom Weir/Orifice, C= 2.62 Head (feet) 0.00 1.89 Width (feet) 4.00 30.00 Primary OutFlow Max=7.41 cfs @ 12.37 hrs HW=896.60' TW=0.00' (Dynamic Tailwater)1=Custom Weir/Orifice (Weir Controls 7.41 cfs @ 2.1 fps)Pond W2: WETLAND Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)8 7 6 5 4 3 2 1 0 Inflow Area=3.090 ac Peak Elev=896.60'Storage=0.061 af 7.94 cfs 7.53 cfs Drainage Diagram for 1237 Post-Development Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcat Reach Pond Link FT4.1 FT4.1 FT4.2 FT4.2 FT4.3 FT4.3 FT4.4 FT4.4 FT4.5 FT4.5 FT4.6 FT4.6 FT4.7 FT4.7 FT4.8 FT4.8 FT5.1 FT5.1 S1.1 S1.1 S1.1A PRESERVATION S1.2 S1.2 S1.3 S1.3 S1.4 S1.4 S1.5 S1.5 S2.1 S2.1 S2.2 S2.2 S2.3 S2.3 S2.4 S2.4 S2.5 S2.5 S3.1 S3.1 D TOTAL DISCHARGE D1 DISCHARGE 1 D2 DISCHARGE 2 D3 DISCHARGE 3 D4 FT DISCHARGE 4B POND B 4C POND C 4D POND D 4P Ag Urban Wet P1 WEST POND P2.1 DRIVE TO NORTH P2.2 EAST POND W1.1 WETLAND W1.2 WETLAND W2 WETLAND Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 2 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Time span=0.00-72.00 hrs, dt=0.10 hrs, 721 points Runoff by SCS TR-20 method, UH=SCS Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=1.020 ac Runoff Depth=1.29"Subcatchment FT4.1: FT4.1 Flow Length=200' Tc=19.6 min CN=83 Runoff=1.43 cfs 0.109 af Runoff Area=0.700 ac Runoff Depth=1.29"Subcatchment FT4.2: FT4.2 Flow Length=230' Tc=8.5 min CN=83 Runoff=1.39 cfs 0.075 af Runoff Area=1.390 ac Runoff Depth=1.29"Subcatchment FT4.3: FT4.3 Flow Length=200' Tc=7.2 min CN=83 Runoff=2.87 cfs 0.149 af Runoff Area=7.500 ac Runoff Depth=1.29"Subcatchment FT4.4: FT4.4 Flow Length=530' Tc=14.4 min CN=83 Runoff=12.09 cfs 0.805 af Runoff Area=0.860 ac Runoff Depth=1.29"Subcatchment FT4.5: FT4.5 Flow Length=220' Tc=16.7 min CN=83 Runoff=1.32 cfs 0.092 af Runoff Area=7.350 ac Runoff Depth=1.29"Subcatchment FT4.6: FT4.6 Flow Length=340' Tc=10.9 min CN=83 Runoff=13.17 cfs 0.788 af Runoff Area=3.440 ac Runoff Depth=1.29"Subcatchment FT4.7: FT4.7 Flow Length=380' Tc=15.4 min CN=83 Runoff=5.44 cfs 0.369 af Runoff Area=3.790 ac Runoff Depth=1.29"Subcatchment FT4.8: FT4.8 Flow Length=550' Tc=16.5 min CN=83 Runoff=5.84 cfs 0.407 af Runoff Area=8.250 ac Runoff Depth=1.10"Subcatchment FT5.1: FT5.1 Flow Length=980' Tc=20.3 min CN=80 Runoff=9.56 cfs 0.758 af Runoff Area=3.990 ac Runoff Depth=1.04"Subcatchment S1.1: S1.1 Flow Length=340' Tc=16.7 min CN=79 Runoff=4.87 cfs 0.347 af Runoff Area=0.350 ac Runoff Depth=0.14"Subcatchment S1.1A: PRESERVATION Flow Length=50' Tc=17.4 min CN=55 Runoff=0.01 cfs 0.004 af Runoff Area=0.240 ac Runoff Depth=1.57"Subcatchment S1.2: S1.2 Flow Length=510' Tc=6.3 min CN=87 Runoff=0.60 cfs 0.031 af Runoff Area=0.900 ac Runoff Depth=1.29"Subcatchment S1.3: S1.3 Flow Length=280' Tc=10.3 min CN=83 Runoff=1.66 cfs 0.097 af Runoff Area=0.740 ac Runoff Depth=0.93"Subcatchment S1.4: S1.4 Flow Length=220' Tc=14.0 min CN=77 Runoff=0.85 cfs 0.058 af Runoff Area=0.730 ac Runoff Depth=1.04"Subcatchment S1.5: S1.5 Flow Length=230' Tc=23.2 min CN=79 Runoff=0.73 cfs 0.064 af Runoff Area=2.390 ac Runoff Depth=0.99"Subcatchment S2.1: S2.1 Flow Length=400' Tc=23.8 min CN=78 Runoff=2.23 cfs 0.197 af Runoff Area=0.730 ac Runoff Depth=1.57"Subcatchment S2.2: S2.2 Flow Length=130' Tc=7.9 min CN=87 Runoff=1.79 cfs 0.095 af Runoff Area=2.110 ac Runoff Depth=0.93"Subcatchment S2.3: S2.3 Flow Length=620' Tc=36.1 min CN=77 Runoff=1.40 cfs 0.164 af Runoff Area=0.780 ac Runoff Depth=0.93"Subcatchment S2.4: S2.4 Flow Length=310' Tc=15.1 min CN=77 Runoff=0.87 cfs 0.061 af Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 3 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Runoff Area=2.500 ac Runoff Depth=1.42"Subcatchment S2.5: S2.5 Flow Length=270' Tc=16.0 min CN=85 Runoff=4.32 cfs 0.296 af Runoff Area=1.290 ac Runoff Depth=0.93"Subcatchment S3.1: S3.1 Flow Length=360' Tc=20.1 min CN=77 Runoff=1.24 cfs 0.100 af Inflow=6.52 cfs 4.949 af Reach D: TOTAL DISCHARGE Outflow=6.52 cfs 4.949 af Inflow=4.21 cfs 4.042 af Reach D1: DISCHARGE 1 Outflow=4.21 cfs 4.042 af Inflow=5.80 cfs 4.849 af Reach D2: DISCHARGE 2 Outflow=5.80 cfs 4.849 af Inflow=1.24 cfs 0.100 af Reach D3: DISCHARGE 3 Outflow=1.24 cfs 0.100 af Inflow=4.18 cfs 2.716 af Reach D4: FT DISCHARGE Outflow=4.18 cfs 2.716 af Peak Elev=906.85' Storage=0.043 af Inflow=5.84 cfs 0.407 af Pond 4B: POND B Outflow=4.72 cfs 0.407 af Peak Elev=898.83' Storage=0.238 af Inflow=13.39 cfs 0.897 af Pond 4C: POND C 18.0" x 35.0' Culvert Outflow=7.05 cfs 0.895 af Peak Elev=892.14' Storage=0.075 af Inflow=4.25 cfs 0.224 af Pond 4D: POND D 18.0" x 15.0' Culvert Outflow=1.55 cfs 0.223 af Peak Elev=897.82' Storage=1.191 af Inflow=26.30 cfs 2.460 af Pond 4P: Ag Urban Wet Outflow=3.11 cfs 2.384 af Peak Elev=892.52' Storage=0.055 af Inflow=2.42 cfs 0.154 af Pond P1: WEST POND Outflow=0.72 cfs 0.153 af Peak Elev=883.01' Storage=0.010 af Inflow=4.49 cfs 4.239 af Pond P2.1: DRIVE TO NORTH Outflow=4.49 cfs 4.239 af Peak Elev=894.74' Storage=0.240 af Inflow=6.52 cfs 0.617 af Pond P2.2: EAST POND 15.0" x 20.0' Culvert Outflow=1.62 cfs 0.609 af Peak Elev=889.99' Storage=0.858 af Inflow=18.74 cfs 4.074 af Pond W1.1: WETLAND Outflow=4.21 cfs 4.042 af Peak Elev=890.06' Storage=0.077 af Inflow=5.61 cfs 2.933 af Pond W1.2: WETLAND 30.0" x 110.0' Culvert Outflow=4.72 cfs 2.933 af Peak Elev=896.29' Storage=0.017 af Inflow=1.40 cfs 0.164 af Pond W2: WETLAND Outflow=1.25 cfs 0.164 af Total Runoff Area = 51.050 ac Runoff Volume = 5.067 af Average Runoff Depth = 1.19" Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 4 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.1: FT4.1 Runoff=1.43 cfs @ 12.13 hrs, Volume=0.109 af, Depth=1.29"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 1.020831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.5800.20000.4 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"16.11200.02500.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"19.6200Total Subcatchment FT4.1: FT4.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=1.020 ac Runoff Volume=0.109 af Runoff Depth=1.29"Flow Length=200'Tc=19.6 min CN=83 1.43 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 5 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.2: FT4.2 [49] Hint: Tc<2dt may require smaller dt Runoff=1.39 cfs @ 12.00 hrs, Volume=0.075 af, Depth=1.29"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 0.700831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)7.3800.08000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"1.21500.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 8.5230Total Subcatchment FT4.2: FT4.2 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=0.700 ac Runoff Volume=0.075 af Runoff Depth=1.29"Flow Length=230'Tc=8.5 min CN=83 1.39 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 6 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.3: FT4.3 [49] Hint: Tc<2dt may require smaller dt Runoff=2.87 cfs @ 11.99 hrs, Volume=0.149 af, Depth=1.29"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 1.390831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)6.0500.02000.1 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"1.21500.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 7.2200Total Subcatchment FT4.3: FT4.3 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)3 2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=1.390 ac Runoff Volume=0.149 af Runoff Depth=1.29"Flow Length=200'Tc=7.2 min CN=83 2.87 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 7 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.4: FT4.4 Runoff=12.09 cfs @ 12.07 hrs, Volume=0.805 af, Depth=1.29"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 7.500831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)11.82000.06000.3 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.63300.02002.1 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 14.4530Total Subcatchment FT4.4: FT4.4 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)13 12 11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=7.500 ac Runoff Volume=0.805 af Runoff Depth=1.29"Flow Length=530'Tc=14.4 min CN=83 12.09 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 8 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.5: FT4.5 Runoff=1.32 cfs @ 12.10 hrs, Volume=0.092 af, Depth=1.29"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 0.860831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)16.72000.02500.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"0.0200.20006.7 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 16.7220Total Subcatchment FT4.5: FT4.5 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=0.860 ac Runoff Volume=0.092 af Runoff Depth=1.29"Flow Length=220'Tc=16.7 min CN=83 1.32 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 9 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.6: FT4.6 [49] Hint: Tc<2dt may require smaller dt Runoff=13.17 cfs @ 12.02 hrs, Volume=0.788 af, Depth=1.29"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 7.350831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)8.8800.02000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.12600.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 10.9340Total Subcatchment FT4.6: FT4.6 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=7.350 ac Runoff Volume=0.788 af Runoff Depth=1.29"Flow Length=340'Tc=10.9 min CN=83 13.17 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 10 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.7: FT4.7 Runoff=5.44 cfs @ 12.09 hrs, Volume=0.369 af, Depth=1.29"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 3.440831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)13.31900.04000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.11900.01001.5 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 15.4380Total Subcatchment FT4.7: FT4.7 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)6 5 4 3 2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=3.440 ac Runoff Volume=0.369 af Runoff Depth=1.29"Flow Length=380'Tc=15.4 min CN=83 5.44 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 11 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.8: FT4.8 Runoff=5.84 cfs @ 12.10 hrs, Volume=0.407 af, Depth=1.29"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 3.790831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)14.62000.03500.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"1.93500.04003.0 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 16.5550Total Subcatchment FT4.8: FT4.8 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)6 5 4 3 2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=3.790 ac Runoff Volume=0.407 af Runoff Depth=1.29"Flow Length=550'Tc=16.5 min CN=83 5.84 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 12 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT5.1: FT5.1 Runoff=9.56 cfs @ 12.14 hrs, Volume=0.758 af, Depth=1.10"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 8.250801/2 acre lots, 25% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)15.52000.03000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.64000.03002.6 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 2.23800.02002.9 Shallow Concentrated Flow, Paved Kv= 20.3 fps 20.3980Total Subcatchment FT5.1: FT5.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=8.250 ac Runoff Volume=0.758 af Runoff Depth=1.10"Flow Length=980'Tc=20.3 min CN=80 9.56 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 13 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.1: S1.1 Runoff=4.87 cfs @ 12.10 hrs, Volume=0.347 af, Depth=1.04"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 1.33074>75% Grass cover, Good, HSG C 0.32098Paved parking & roofs 2.34079Woods/grass comb., Good, HSG D 3.99079Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)14.82000.06000.2 Sheet Flow, n= 0.200 P2= 2.80"1.91400.03001.2 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 16.7340Total Subcatchment S1.1: S1.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)5 4 3 2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=3.990 ac Runoff Volume=0.347 af Runoff Depth=1.04"Flow Length=340'Tc=16.7 min CN=79 4.87 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 14 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.1A: PRESERVATION Runoff=0.01 cfs @ 12.33 hrs, Volume=0.004 af, Depth=0.14"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 0.35055Woods, Good, HSG B TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)17.4500.04000.0 Sheet Flow, Woods: Dense underbrush n= 0.800 P2= 2.80"Subcatchment S1.1A: PRESERVATION Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)0.013 0.012 0.012 0.011 0.01 0.01 0.009 0.009 0.008 0.008 0.007 0.007 0.006 0.006 0.005 0.005 0.004 0.004 0.003 0.003 0.002 0.002 0.001 0.001 0.000 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=0.350 ac Runoff Volume=0.004 af Runoff Depth=0.14"Flow Length=50'Tc=17.4 min CN=55 0.01 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 15 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.2: S1.2 [49] Hint: Tc<2dt may require smaller dt Runoff=0.60 cfs @ 11.98 hrs, Volume=0.031 af, Depth=1.57"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 0.11074>75% Grass cover, Good, HSG C 0.13098Paved parking & roofs 0.24087Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)1.7100.02000.1 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"1.31000.02001.3 Sheet Flow, Smooth surfaces n= 0.011 P2= 2.80"3.34000.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 6.3510Total Subcatchment S1.2: S1.2 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=0.240 ac Runoff Volume=0.031 af Runoff Depth=1.57"Flow Length=510'Tc=6.3 min CN=87 0.60 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 16 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.3: S1.3 [49] Hint: Tc<2dt may require smaller dt Runoff=1.66 cfs @ 12.02 hrs, Volume=0.097 af, Depth=1.29"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 0.55074>75% Grass cover, Good, HSG C 0.35098Paved parking & roofs 0.90083Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)6.2800.12000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"3.0300.04000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"1.11700.01502.5 Shallow Concentrated Flow, Paved Kv= 20.3 fps 10.3280Total Subcatchment S1.3: S1.3 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=0.900 ac Runoff Volume=0.097 af Runoff Depth=1.29"Flow Length=280'Tc=10.3 min CN=83 1.66 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 17 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.4: S1.4 Runoff=0.85 cfs @ 12.08 hrs, Volume=0.058 af, Depth=0.93"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 0.64074>75% Grass cover, Good, HSG C 0.10098Paved parking & roofs 0.74077Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)14.02000.10000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"0.0200.33008.6 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 14.0220Total Subcatchment S1.4: S1.4 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)0.95 0.9 0.85 0.8 0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=0.740 ac Runoff Volume=0.058 af Runoff Depth=0.93"Flow Length=220'Tc=14.0 min CN=77 0.85 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 18 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.5: S1.5 Runoff=0.73 cfs @ 12.18 hrs, Volume=0.064 af, Depth=1.04"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 0.73079Woods/grass comb., Good, HSG D TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)4.2700.25000.3 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"18.81300.02000.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"0.2300.02002.1 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 23.2230Total Subcatchment S1.5: S1.5 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)0.8 0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=0.730 ac Runoff Volume=0.064 af Runoff Depth=1.04"Flow Length=230'Tc=23.2 min CN=79 0.73 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 19 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.1: S2.1 Runoff=2.23 cfs @ 12.19 hrs, Volume=0.197 af, Depth=0.99"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 1.17074>75% Grass cover, Good, HSG C 0.14098Paved parking & roofs 1.08079Woods/grass comb., Good, HSG D 2.39078Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.9800.15000.3 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"17.71200.02000.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"2.22000.01001.5 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 23.8400Total Subcatchment S2.1: S2.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=2.390 ac Runoff Volume=0.197 af Runoff Depth=0.99"Flow Length=400'Tc=23.8 min CN=78 2.23 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 20 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.2: S2.2 [49] Hint: Tc<2dt may require smaller dt Runoff=1.79 cfs @ 11.99 hrs, Volume=0.095 af, Depth=1.57"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 0.25074>75% Grass cover, Good, HSG C 0.38098Paved parking & roofs 0.10079Woods/grass comb., Good, HSG D 0.73087Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)7.91300.12000.3 Sheet Flow, n= 0.200 P2= 2.80"Subcatchment S2.2: S2.2 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=0.730 ac Runoff Volume=0.095 af Runoff Depth=1.57"Flow Length=130'Tc=7.9 min CN=87 1.79 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 21 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.3: S2.3 Runoff=1.40 cfs @ 12.35 hrs, Volume=0.164 af, Depth=0.93"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 1.22074>75% Grass cover, Good, HSG C 0.05098Paved parking & roofs 0.84079Woods/grass comb., Good, HSG D 2.11077Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)29.82000.01500.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"6.34200.02501.1 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 36.1620Total Subcatchment S2.3: S2.3 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=2.110 ac Runoff Volume=0.164 af Runoff Depth=0.93"Flow Length=620'Tc=36.1 min CN=77 1.40 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 22 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.4: S2.4 Runoff=0.87 cfs @ 12.09 hrs, Volume=0.061 af, Depth=0.93"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 0.67074>75% Grass cover, Good, HSG C 0.11098Paved parking & roofs 0.78077Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.2500.25000.3 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"11.01500.04000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"0.91100.02002.1 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 15.1310Total Subcatchment S2.4: S2.4 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)0.95 0.9 0.85 0.8 0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=0.780 ac Runoff Volume=0.061 af Runoff Depth=0.93"Flow Length=310'Tc=15.1 min CN=77 0.87 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 23 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.5: S2.5 Runoff=4.32 cfs @ 12.09 hrs, Volume=0.296 af, Depth=1.42"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 1.33074>75% Grass cover, Good, HSG C 1.17098Paved parking & roofs 2.50085Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)4.2700.25000.3 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"11.31100.02000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"0.5900.02002.9 Shallow Concentrated Flow, Paved Kv= 20.3 fps 16.0270Total Subcatchment S2.5: S2.5 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)4 3 2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=2.500 ac Runoff Volume=0.296 af Runoff Depth=1.42"Flow Length=270'Tc=16.0 min CN=85 4.32 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 24 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S3.1: S3.1 Runoff=1.24 cfs @ 12.14 hrs, Volume=0.100 af, Depth=0.93"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 2 YR Rainfall=2.80"Area (ac)CNDescription 0.77079Woods/grass comb., Good, HSG D 0.52074>75% Grass cover, Good, HSG C 1.29077Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.7600.25000.3 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"13.31400.05500.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"3.11600.01500.9 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 20.1360Total Subcatchment S3.1: S3.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=1.290 ac Runoff Volume=0.100 af Runoff Depth=0.93"Flow Length=360'Tc=20.1 min CN=77 1.24 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 25 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D: TOTAL DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =51.050 ac, Inflow Depth > 1.16" for 2 YR event Inflow=6.52 cfs @ 12.32 hrs, Volume=4.949 af Outflow=6.52 cfs @ 12.32 hrs, Volume=4.949 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D: TOTAL DISCHARGE Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)7 6 5 4 3 2 1 0 Inflow Area=51.050 ac 6.52 cfs 6.52 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 26 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D1: DISCHARGE 1 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =41.250 ac, Inflow Depth > 1.18" for 2 YR event Inflow=4.21 cfs @ 14.45 hrs, Volume=4.042 af Outflow=4.21 cfs @ 14.45 hrs, Volume=4.042 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D1: DISCHARGE 1 Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)4 3 2 1 0 Inflow Area=41.250 ac 4.21 cfs 4.21 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 27 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D2: DISCHARGE 2 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =49.760 ac, Inflow Depth > 1.17" for 2 YR event Inflow=5.80 cfs @ 12.40 hrs, Volume=4.849 af Outflow=5.80 cfs @ 12.40 hrs, Volume=4.849 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D2: DISCHARGE 2 Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)6 5 4 3 2 1 0 Inflow Area=49.760 ac 5.80 cfs 5.80 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 28 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D3: DISCHARGE 3 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =1.290 ac, Inflow Depth = 0.93" for 2 YR event Inflow=1.24 cfs @ 12.14 hrs, Volume=0.100 af Outflow=1.24 cfs @ 12.14 hrs, Volume=0.100 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D3: DISCHARGE 3 Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)1 0 Inflow Area=1.290 ac 1.24 cfs 1.24 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 29 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D4: FT DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =26.050 ac, Inflow Depth > 1.25" for 2 YR event Inflow=4.18 cfs @ 12.23 hrs, Volume=2.716 af Outflow=4.18 cfs @ 12.23 hrs, Volume=2.716 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D4: FT DISCHARGE Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)4 3 2 1 0 Inflow Area=26.050 ac 4.18 cfs 4.18 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 30 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4B: POND B Inflow Area =3.790 ac, Inflow Depth = 1.29" for 2 YR event Inflow=5.84 cfs @ 12.10 hrs, Volume=0.407 af Outflow=4.72 cfs @ 12.18 hrs, Volume=0.407 af, Atten= 19%, Lag= 5.2 min Primary=4.72 cfs @ 12.18 hrs, Volume=0.407 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 906.85' @ 12.19 hrs Surf.Area= 0.048 ac Storage= 0.043 af Plug-Flow detention time= 13.7 min calculated for 0.407 af (100% of inflow)Center-of-Mass det. time= 12.1 min ( 858.0 - 845.9 )VolumeInvertAvail.StorageStorage Description #1905.59'0.315 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)905.590.020108.00.0000.0000.020 906.000.030121.00.0100.0100.026 908.000.080218.00.1060.1160.086 910.000.120320.00.1990.3150.187 DeviceRoutingInvertOutlet Devices #1Device 2905.59'15.0" x 140.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 903.51' S= 0.0149 '/' Cc= 0.900 n= 0.012 #2Primary897.99'15.0" x 40.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 897.66' S= 0.0083 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=4.66 cfs @ 12.18 hrs HW=906.84' TW=897.44' (Dynamic Tailwater)2=Culvert (Passes 4.66 cfs of 16.94 cfs potential flow)1=Culvert (Inlet Controls 4.66 cfs @ 3.8 fps)Pond 4B: POND B Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)6 5 4 3 2 1 0 Inflow Area=3.790 ac Peak Elev=906.85'Storage=0.043 af 5.84 cfs 4.72 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 31 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4C: POND C Inflow Area =8.360 ac, Inflow Depth = 1.29" for 2 YR event Inflow=13.39 cfs @ 12.08 hrs, Volume=0.897 af Outflow=7.05 cfs @ 12.25 hrs, Volume=0.895 af, Atten= 47%, Lag= 10.1 min Primary=7.05 cfs @ 12.25 hrs, Volume=0.895 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 898.83' @ 12.25 hrs Surf.Area= 0.160 ac Storage= 0.238 af Plug-Flow detention time= 76.5 min calculated for 0.895 af (100% of inflow)Center-of-Mass det. time= 75.3 min ( 919.5 - 844.2 )VolumeInvertAvail.StorageStorage Description #1897.09'0.919 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)897.090.110332.00.0000.0000.110 898.000.140352.00.1130.1130.136 900.000.190408.00.3290.4420.216 902.000.290566.00.4760.9190.498 DeviceRoutingInvertOutlet Devices #1Primary897.09'18.0" x 35.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 896.97' S= 0.0034 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=6.89 cfs @ 12.25 hrs HW=898.80' TW=897.52' (Dynamic Tailwater)1=Culvert (Barrel Controls 6.89 cfs @ 4.3 fps)Pond 4C: POND C Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=8.360 ac Peak Elev=898.83'Storage=0.238 af 18.0" x 35.0' Culvert 13.39 cfs 7.05 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 32 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4D: POND D Inflow Area =2.090 ac, Inflow Depth = 1.29" for 2 YR event Inflow=4.25 cfs @ 11.99 hrs, Volume=0.224 af Outflow=1.55 cfs @ 12.15 hrs, Volume=0.223 af, Atten= 64%, Lag= 9.8 min Primary=1.55 cfs @ 12.15 hrs, Volume=0.223 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 892.14' @ 12.15 hrs Surf.Area= 0.123 ac Storage= 0.075 af Plug-Flow detention time= 88.7 min calculated for 0.223 af (100% of inflow)Center-of-Mass det. time= 86.6 min ( 924.3 - 837.7 )VolumeInvertAvail.StorageStorage Description #1891.47'0.338 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)891.470.100364.00.0000.0000.100 892.000.120377.00.0580.0580.118 893.000.140397.00.1300.1880.148 894.000.160420.00.1500.3380.183 DeviceRoutingInvertOutlet Devices #1Primary891.47'18.0" x 15.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 891.38' S= 0.0060 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=1.53 cfs @ 12.15 hrs HW=892.13' TW=0.00' (Dynamic Tailwater)1=Culvert (Barrel Controls 1.53 cfs @ 3.0 fps)Pond 4D: POND D Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)4 3 2 1 0 Inflow Area=2.090 ac Peak Elev=892.14'Storage=0.075 af 18.0" x 15.0' Culvert 4.25 cfs 1.55 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 33 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4P: Ag Urban Wet Inflow Area =22.940 ac, Inflow Depth = 1.29" for 2 YR event Inflow=26.30 cfs @ 12.08 hrs, Volume=2.460 af Outflow=3.11 cfs @ 13.25 hrs, Volume=2.384 af, Atten= 88%, Lag= 70.0 min Primary=3.11 cfs @ 13.25 hrs, Volume=2.384 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 897.82' @ 13.25 hrs Surf.Area= 1.345 ac Storage= 1.191 af Plug-Flow detention time= 393.7 min calculated for 2.380 af (97% of inflow)Center-of-Mass det. time= 373.5 min ( 1,246.3 - 872.9 )VolumeInvertAvail.StorageStorage Description #1896.91'9.353 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)896.911.270908.00.0000.0001.270 898.001.360933.01.4331.4331.357 900.002.0701,232.03.4054.8382.541 902.002.4501,328.04.5159.3532.994 DeviceRoutingInvertOutlet Devices #1Device 2896.91'15.0" x 47.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 896.21' S= 0.0149 '/' Cc= 0.900 n= 0.012 #2Device 3896.21'21.0" x 228.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 895.91' S= 0.0013 '/' Cc= 0.900 n= 0.012 #3Primary892.56'18.0" x 70.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 889.50' S= 0.0437 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=3.11 cfs @ 13.25 hrs HW=897.82' TW=0.00' (Dynamic Tailwater)3=Culvert (Passes 3.11 cfs of 18.07 cfs potential flow)2=Culvert (Passes 3.11 cfs of 6.10 cfs potential flow)1=Culvert (Inlet Controls 3.11 cfs @ 3.2 fps) Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 34 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4P: Ag Urban Wet Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=22.940 ac Peak Elev=897.82'Storage=1.191 af 26.30 cfs 3.11 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 35 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P1: WEST POND Inflow Area =1.640 ac, Inflow Depth = 1.13" for 2 YR event Inflow=2.42 cfs @ 12.03 hrs, Volume=0.154 af Outflow=0.72 cfs @ 12.31 hrs, Volume=0.153 af, Atten= 70%, Lag= 16.4 min Primary=0.72 cfs @ 12.31 hrs, Volume=0.153 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 892.52' @ 12.31 hrs Surf.Area= 0.110 ac Storage= 0.055 af Plug-Flow detention time= 117.9 min calculated for 0.153 af (100% of inflow)Center-of-Mass det. time= 115.0 min ( 964.2 - 849.2 )VolumeInvertAvail.StorageStorage Description #1892.00'0.390 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)892.000.100254.00.0000.0000.100 893.000.120273.00.1100.1100.119 894.000.140291.00.1300.2400.139 895.000.160310.00.1500.3900.161 DeviceRoutingInvertOutlet Devices #1Device 3892.00'8.0" Vert. Orifice/Grate C= 0.600 #2Device 3893.80'5.0' long x 0.7' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 Coef. (English) 2.76 2.82 2.93 3.09 3.18 3.22 3.27 3.30 3.32 3.31 3.32 #3Primary892.00'12.0" x 20.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 891.80' S= 0.0100 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=0.72 cfs @ 12.31 hrs HW=892.52' TW=889.57' (Dynamic Tailwater)3=Culvert (Passes 0.72 cfs of 0.89 cfs potential flow)1=Orifice/Grate (Orifice Controls 0.72 cfs @ 2.5 fps)2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 36 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P1: WEST POND Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)2 1 0 Inflow Area=1.640 ac Peak Elev=892.52'Storage=0.055 af 2.42 cfs 0.72 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 37 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P2.1: DRIVE TO NORTH [90] Warning: Qout>Qin may require Finer Routing or smaller dt Inflow Area =43.640 ac, Inflow Depth > 1.17" for 2 YR event Inflow=4.49 cfs @ 12.28 hrs, Volume=4.239 af Outflow=4.49 cfs @ 12.34 hrs, Volume=4.239 af, Atten= 0%, Lag= 3.4 min Primary=4.49 cfs @ 12.34 hrs, Volume=4.239 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 883.01' @ 12.34 hrs Surf.Area= 0.024 ac Storage= 0.010 af Plug-Flow detention time= 1.1 min calculated for 4.233 af (100% of inflow)Center-of-Mass det. time= 1.1 min ( 1,231.0 - 1,229.9 )VolumeInvertAvail.StorageStorage Description #1881.80'0.271 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)881.800.0000.00.0000.0000.000 884.000.080274.00.0590.0590.137 885.000.170343.00.1220.1810.215 885.500.190410.00.0900.2710.308 DeviceRoutingInvertOutlet Devices #1Primary881.80'18.0" x 66.0' long Culvert CMP, projecting, no headwall, Ke= 0.900 Outlet Invert= 879.40' S= 0.0364 '/' Cc= 0.900 n= 0.024 #2Primary885.00'Custom Weir/Orifice, C= 2.62 Head (feet) 0.00 0.50 Width (feet) 10.00 50.00 Primary OutFlow Max=4.43 cfs @ 12.34 hrs HW=882.99' TW=0.00' (Dynamic Tailwater)1=Culvert (Inlet Controls 4.43 cfs @ 2.9 fps)2=Custom Weir/Orifice ( Controls 0.00 cfs) Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 38 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P2.1: DRIVE TO NORTH Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)5 4 3 2 1 0 Inflow Area=43.640 ac Peak Elev=883.01'Storage=0.010 af 4.49 cfs 4.49 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 39 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P2.2: EAST POND Inflow Area =6.120 ac, Inflow Depth = 1.21" for 2 YR event Inflow=6.52 cfs @ 12.07 hrs, Volume=0.617 af Outflow=1.62 cfs @ 12.77 hrs, Volume=0.609 af, Atten= 75%, Lag= 42.2 min Primary=1.62 cfs @ 12.77 hrs, Volume=0.609 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 894.74' @ 12.77 hrs Surf.Area= 0.339 ac Storage= 0.240 af Plug-Flow detention time= 198.6 min calculated for 0.609 af (99% of inflow)Center-of-Mass det. time= 191.5 min ( 1,047.3 - 855.8 )VolumeInvertAvail.StorageStorage Description #1894.00'1.124 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)894.000.310460.00.0000.0000.310 895.000.350484.00.3300.3300.353 896.000.400561.00.3750.7050.500 897.000.440580.00.4201.1240.542 DeviceRoutingInvertOutlet Devices #1Primary894.00'15.0" x 20.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 893.90' S= 0.0050 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=1.61 cfs @ 12.77 hrs HW=894.74' TW=0.00' (Dynamic Tailwater)1=Culvert (Barrel Controls 1.61 cfs @ 3.1 fps)Pond P2.2: EAST POND Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)7 6 5 4 3 2 1 0 Inflow Area=6.120 ac Peak Elev=894.74'Storage=0.240 af 15.0" x 20.0' Culvert 6.52 cfs 1.62 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 40 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W1.1: WETLAND Inflow Area =41.250 ac, Inflow Depth > 1.19" for 2 YR event Inflow=18.74 cfs @ 12.14 hrs, Volume=4.074 af Outflow=4.21 cfs @ 14.45 hrs, Volume=4.042 af, Atten= 78%, Lag= 139.0 min Primary=4.21 cfs @ 14.45 hrs, Volume=4.042 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 889.99' @ 14.45 hrs Surf.Area= 0.647 ac Storage= 0.858 af Plug-Flow detention time= 168.2 min calculated for 4.042 af (99% of inflow)Center-of-Mass det. time= 146.9 min ( 1,247.5 - 1,100.5 )VolumeInvertAvail.StorageStorage Description #1888.11'4.057 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)888.110.290806.00.0000.0000.290 890.000.6501,598.00.8660.8663.769 892.002.7901,712.03.1914.0574.462 DeviceRoutingInvertOutlet Devices #1Primary888.10'12.0" x 20.0' long Culvert CMP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 888.08' S= 0.0010 '/' Cc= 0.900 n= 0.012 #2Primary891.23'Custom Weir/Orifice, C= 2.62 Head (feet) 0.00 0.50 Width (feet) 0.00 20.00 Primary OutFlow Max=4.21 cfs @ 14.45 hrs HW=889.99' TW=0.00' (Dynamic Tailwater)1=Culvert (Barrel Controls 4.21 cfs @ 5.4 fps)2=Custom Weir/Orifice ( Controls 0.00 cfs)Pond W1.1: WETLAND Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=41.250 ac Peak Elev=889.99'Storage=0.858 af 18.74 cfs 4.21 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 41 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W1.2: WETLAND Inflow Area =28.420 ac, Inflow Depth > 1.24" for 2 YR event Inflow=5.61 cfs @ 12.22 hrs, Volume=2.933 af Outflow=4.72 cfs @ 12.23 hrs, Volume=2.933 af, Atten= 16%, Lag= 0.6 min Primary=4.72 cfs @ 12.23 hrs, Volume=2.933 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 890.06' @ 14.35 hrs Surf.Area= 0.141 ac Storage= 0.077 af Plug-Flow detention time= 10.3 min calculated for 2.933 af (100% of inflow)Center-of-Mass det. time= 10.3 min ( 1,194.3 - 1,184.0 )VolumeInvertAvail.StorageStorage Description #1888.40'1.241 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)888.400.0000.00.0000.0000.000 890.000.130441.00.0690.0690.355 892.000.740750.00.7870.8561.028 892.500.800770.00.3851.2411.084 DeviceRoutingInvertOutlet Devices #1Primary888.40'30.0" x 110.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 887.90' S= 0.0045 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=3.14 cfs @ 12.23 hrs HW=889.49' TW=889.27' (Dynamic Tailwater)1=Culvert (Outlet Controls 3.14 cfs @ 2.3 fps)Pond W1.2: WETLAND Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)6 5 4 3 2 1 0 Inflow Area=28.420 ac Peak Elev=890.06'Storage=0.077 af 30.0" x 110.0' Culvert 5.61 cfs 4.72 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 42 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W2: WETLAND Inflow Area =2.110 ac, Inflow Depth = 0.93" for 2 YR event Inflow=1.40 cfs @ 12.35 hrs, Volume=0.164 af Outflow=1.25 cfs @ 12.48 hrs, Volume=0.164 af, Atten= 11%, Lag= 8.1 min Primary=1.25 cfs @ 12.48 hrs, Volume=0.164 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 896.29' @ 12.48 hrs Surf.Area= 0.111 ac Storage= 0.017 af Plug-Flow detention time= 19.4 min calculated for 0.164 af (100% of inflow)Center-of-Mass det. time= 17.7 min ( 902.6 - 884.8 )VolumeInvertAvail.StorageStorage Description #1896.11'0.151 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)896.110.080222.00.0000.0000.080 897.000.280420.00.1510.1510.312 DeviceRoutingInvertOutlet Devices #1Primary896.11'Custom Weir/Orifice, C= 2.62 Head (feet) 0.00 1.89 Width (feet) 4.00 30.00 Primary OutFlow Max=1.24 cfs @ 12.48 hrs HW=896.29' TW=894.70' (Dynamic Tailwater)1=Custom Weir/Orifice (Weir Controls 1.24 cfs @ 1.3 fps)Pond W2: WETLAND Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)1 0 Inflow Area=2.110 ac Peak Elev=896.29'Storage=0.017 af 1.40 cfs 1.25 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 43 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Time span=0.00-72.00 hrs, dt=0.10 hrs, 721 points Runoff by SCS TR-20 method, UH=SCS Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=1.020 ac Runoff Depth=2.46"Subcatchment FT4.1: FT4.1 Flow Length=200' Tc=19.6 min CN=83 Runoff=2.76 cfs 0.209 af Runoff Area=0.700 ac Runoff Depth=2.46"Subcatchment FT4.2: FT4.2 Flow Length=230' Tc=8.5 min CN=83 Runoff=2.64 cfs 0.144 af Runoff Area=1.390 ac Runoff Depth=2.46"Subcatchment FT4.3: FT4.3 Flow Length=200' Tc=7.2 min CN=83 Runoff=5.41 cfs 0.285 af Runoff Area=7.500 ac Runoff Depth=2.46"Subcatchment FT4.4: FT4.4 Flow Length=530' Tc=14.4 min CN=83 Runoff=23.07 cfs 1.538 af Runoff Area=0.860 ac Runoff Depth=2.46"Subcatchment FT4.5: FT4.5 Flow Length=220' Tc=16.7 min CN=83 Runoff=2.52 cfs 0.176 af Runoff Area=7.350 ac Runoff Depth=2.46"Subcatchment FT4.6: FT4.6 Flow Length=340' Tc=10.9 min CN=83 Runoff=25.21 cfs 1.507 af Runoff Area=3.440 ac Runoff Depth=2.46"Subcatchment FT4.7: FT4.7 Flow Length=380' Tc=15.4 min CN=83 Runoff=10.39 cfs 0.705 af Runoff Area=3.790 ac Runoff Depth=2.46"Subcatchment FT4.8: FT4.8 Flow Length=550' Tc=16.5 min CN=83 Runoff=11.18 cfs 0.777 af Runoff Area=8.250 ac Runoff Depth=2.21"Subcatchment FT5.1: FT5.1 Flow Length=980' Tc=20.3 min CN=80 Runoff=19.62 cfs 1.518 af Runoff Area=3.990 ac Runoff Depth=2.13"Subcatchment S1.1: S1.1 Flow Length=340' Tc=16.7 min CN=79 Runoff=10.13 cfs 0.707 af Runoff Area=0.350 ac Runoff Depth=0.61"Subcatchment S1.1A: PRESERVATION Flow Length=50' Tc=17.4 min CN=55 Runoff=0.17 cfs 0.018 af Runoff Area=0.240 ac Runoff Depth=2.82"Subcatchment S1.2: S1.2 Flow Length=510' Tc=6.3 min CN=87 Runoff=1.06 cfs 0.056 af Runoff Area=0.900 ac Runoff Depth=2.46"Subcatchment S1.3: S1.3 Flow Length=280' Tc=10.3 min CN=83 Runoff=3.17 cfs 0.185 af Runoff Area=0.740 ac Runoff Depth=1.97"Subcatchment S1.4: S1.4 Flow Length=220' Tc=14.0 min CN=77 Runoff=1.84 cfs 0.121 af Runoff Area=0.730 ac Runoff Depth=2.13"Subcatchment S1.5: S1.5 Flow Length=230' Tc=23.2 min CN=79 Runoff=1.54 cfs 0.129 af Runoff Area=2.390 ac Runoff Depth=2.05"Subcatchment S2.1: S2.1 Flow Length=400' Tc=23.8 min CN=78 Runoff=4.79 cfs 0.408 af Runoff Area=0.730 ac Runoff Depth=2.82"Subcatchment S2.2: S2.2 Flow Length=130' Tc=7.9 min CN=87 Runoff=3.15 cfs 0.172 af Runoff Area=2.110 ac Runoff Depth=1.97"Subcatchment S2.3: S2.3 Flow Length=620' Tc=36.1 min CN=77 Runoff=3.13 cfs 0.346 af Runoff Area=0.780 ac Runoff Depth=1.97"Subcatchment S2.4: S2.4 Flow Length=310' Tc=15.1 min CN=77 Runoff=1.90 cfs 0.128 af Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 44 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Runoff Area=2.500 ac Runoff Depth=2.64"Subcatchment S2.5: S2.5 Flow Length=270' Tc=16.0 min CN=85 Runoff=7.96 cfs 0.549 af Runoff Area=1.290 ac Runoff Depth=1.97"Subcatchment S3.1: S3.1 Flow Length=360' Tc=20.1 min CN=77 Runoff=2.74 cfs 0.212 af Inflow=13.15 cfs 9.769 af Reach D: TOTAL DISCHARGE Outflow=13.15 cfs 9.769 af Inflow=6.07 cfs 7.961 af Reach D1: DISCHARGE 1 Outflow=6.07 cfs 7.961 af Inflow=11.91 cfs 9.557 af Reach D2: DISCHARGE 2 Outflow=11.91 cfs 9.557 af Inflow=2.74 cfs 0.212 af Reach D3: DISCHARGE 3 Outflow=2.74 cfs 0.212 af Inflow=10.38 cfs 5.260 af Reach D4: FT DISCHARGE Outflow=10.38 cfs 5.260 af Peak Elev=907.86' Storage=0.105 af Inflow=11.18 cfs 0.777 af Pond 4B: POND B Outflow=7.57 cfs 0.777 af Peak Elev=900.06' Storage=0.454 af Inflow=25.57 cfs 1.714 af Pond 4C: POND C 18.0" x 35.0' Culvert Outflow=12.47 cfs 1.713 af Peak Elev=892.60' Storage=0.133 af Inflow=8.04 cfs 0.429 af Pond 4D: POND D 18.0" x 15.0' Culvert Outflow=3.83 cfs 0.428 af Peak Elev=898.63' Storage=2.347 af Inflow=48.91 cfs 4.703 af Pond 4P: Ag Urban Wet Outflow=6.17 cfs 4.623 af Peak Elev=893.02' Storage=0.113 af Inflow=4.87 cfs 0.306 af Pond P1: WEST POND Outflow=1.40 cfs 0.305 af Peak Elev=883.96' Storage=0.056 af Inflow=9.42 cfs 8.369 af Pond P2.1: DRIVE TO NORTH Outflow=7.98 cfs 8.369 af Peak Elev=895.32' Storage=0.443 af Inflow=12.67 cfs 1.195 af Pond P2.2: EAST POND 15.0" x 20.0' Culvert Outflow=4.07 cfs 1.188 af Peak Elev=891.18' Storage=2.214 af Inflow=38.60 cfs 7.994 af Pond W1.1: WETLAND Outflow=6.07 cfs 7.961 af Peak Elev=891.22' Storage=0.402 af Inflow=13.28 cfs 5.695 af Pond W1.2: WETLAND 30.0" x 110.0' Culvert Outflow=8.78 cfs 5.695 af Peak Elev=896.40' Storage=0.031 af Inflow=3.13 cfs 0.346 af Pond W2: WETLAND Outflow=2.92 cfs 0.346 af Total Runoff Area = 51.050 ac Runoff Volume = 9.892 af Average Runoff Depth = 2.33" Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 45 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.1: FT4.1 Runoff=2.76 cfs @ 12.12 hrs, Volume=0.209 af, Depth=2.46"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 1.020831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.5800.20000.4 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"16.11200.02500.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"19.6200Total Subcatchment FT4.1: FT4.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)3 2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=1.020 ac Runoff Volume=0.209 af Runoff Depth=2.46"Flow Length=200'Tc=19.6 min CN=83 2.76 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 46 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.2: FT4.2 [49] Hint: Tc<2dt may require smaller dt Runoff=2.64 cfs @ 11.99 hrs, Volume=0.144 af, Depth=2.46"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 0.700831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)7.3800.08000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"1.21500.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 8.5230Total Subcatchment FT4.2: FT4.2 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=0.700 ac Runoff Volume=0.144 af Runoff Depth=2.46"Flow Length=230'Tc=8.5 min CN=83 2.64 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 47 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.3: FT4.3 [49] Hint: Tc<2dt may require smaller dt Runoff=5.41 cfs @ 11.98 hrs, Volume=0.285 af, Depth=2.46"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 1.390831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)6.0500.02000.1 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"1.21500.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 7.2200Total Subcatchment FT4.3: FT4.3 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)6 5 4 3 2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=1.390 ac Runoff Volume=0.285 af Runoff Depth=2.46"Flow Length=200'Tc=7.2 min CN=83 5.41 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 48 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.4: FT4.4 Runoff=23.07 cfs @ 12.07 hrs, Volume=1.538 af, Depth=2.46"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 7.500831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)11.82000.06000.3 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.63300.02002.1 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 14.4530Total Subcatchment FT4.4: FT4.4 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=7.500 ac Runoff Volume=1.538 af Runoff Depth=2.46"Flow Length=530'Tc=14.4 min CN=83 23.07 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 49 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.5: FT4.5 Runoff=2.52 cfs @ 12.09 hrs, Volume=0.176 af, Depth=2.46"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 0.860831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)16.72000.02500.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"0.0200.20006.7 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 16.7220Total Subcatchment FT4.5: FT4.5 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=0.860 ac Runoff Volume=0.176 af Runoff Depth=2.46"Flow Length=220'Tc=16.7 min CN=83 2.52 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 50 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.6: FT4.6 [49] Hint: Tc<2dt may require smaller dt Runoff=25.21 cfs @ 12.02 hrs, Volume=1.507 af, Depth=2.46"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 7.350831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)8.8800.02000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.12600.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 10.9340Total Subcatchment FT4.6: FT4.6 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=7.350 ac Runoff Volume=1.507 af Runoff Depth=2.46"Flow Length=340'Tc=10.9 min CN=83 25.21 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 51 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.7: FT4.7 Runoff=10.39 cfs @ 12.08 hrs, Volume=0.705 af, Depth=2.46"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 3.440831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)13.31900.04000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.11900.01001.5 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 15.4380Total Subcatchment FT4.7: FT4.7 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=3.440 ac Runoff Volume=0.705 af Runoff Depth=2.46"Flow Length=380'Tc=15.4 min CN=83 10.39 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 52 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.8: FT4.8 Runoff=11.18 cfs @ 12.09 hrs, Volume=0.777 af, Depth=2.46"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 3.790831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)14.62000.03500.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"1.93500.04003.0 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 16.5550Total Subcatchment FT4.8: FT4.8 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)12 11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=3.790 ac Runoff Volume=0.777 af Runoff Depth=2.46"Flow Length=550'Tc=16.5 min CN=83 11.18 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 53 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT5.1: FT5.1 Runoff=19.62 cfs @ 12.13 hrs, Volume=1.518 af, Depth=2.21"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 8.250801/2 acre lots, 25% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)15.52000.03000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.64000.03002.6 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 2.23800.02002.9 Shallow Concentrated Flow, Paved Kv= 20.3 fps 20.3980Total Subcatchment FT5.1: FT5.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=8.250 ac Runoff Volume=1.518 af Runoff Depth=2.21"Flow Length=980'Tc=20.3 min CN=80 19.62 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 54 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.1: S1.1 Runoff=10.13 cfs @ 12.10 hrs, Volume=0.707 af, Depth=2.13"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 1.33074>75% Grass cover, Good, HSG C 0.32098Paved parking & roofs 2.34079Woods/grass comb., Good, HSG D 3.99079Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)14.82000.06000.2 Sheet Flow, n= 0.200 P2= 2.80"1.91400.03001.2 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 16.7340Total Subcatchment S1.1: S1.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=3.990 ac Runoff Volume=0.707 af Runoff Depth=2.13"Flow Length=340'Tc=16.7 min CN=79 10.13 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 55 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.1A: PRESERVATION Runoff=0.17 cfs @ 12.15 hrs, Volume=0.018 af, Depth=0.61"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 0.35055Woods, Good, HSG B TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)17.4500.04000.0 Sheet Flow, Woods: Dense underbrush n= 0.800 P2= 2.80"Subcatchment S1.1A: PRESERVATION Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)0.19 0.18 0.17 0.16 0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=0.350 ac Runoff Volume=0.018 af Runoff Depth=0.61"Flow Length=50'Tc=17.4 min CN=55 0.17 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 56 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.2: S1.2 [49] Hint: Tc<2dt may require smaller dt Runoff=1.06 cfs @ 11.97 hrs, Volume=0.056 af, Depth=2.82"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 0.11074>75% Grass cover, Good, HSG C 0.13098Paved parking & roofs 0.24087Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)1.7100.02000.1 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"1.31000.02001.3 Sheet Flow, Smooth surfaces n= 0.011 P2= 2.80"3.34000.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 6.3510Total Subcatchment S1.2: S1.2 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=0.240 ac Runoff Volume=0.056 af Runoff Depth=2.82"Flow Length=510'Tc=6.3 min CN=87 1.06 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 57 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.3: S1.3 [49] Hint: Tc<2dt may require smaller dt Runoff=3.17 cfs @ 12.01 hrs, Volume=0.185 af, Depth=2.46"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 0.55074>75% Grass cover, Good, HSG C 0.35098Paved parking & roofs 0.90083Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)6.2800.12000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"3.0300.04000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"1.11700.01502.5 Shallow Concentrated Flow, Paved Kv= 20.3 fps 10.3280Total Subcatchment S1.3: S1.3 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)3 2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=0.900 ac Runoff Volume=0.185 af Runoff Depth=2.46"Flow Length=280'Tc=10.3 min CN=83 3.17 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 58 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.4: S1.4 Runoff=1.84 cfs @ 12.07 hrs, Volume=0.121 af, Depth=1.97"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 0.64074>75% Grass cover, Good, HSG C 0.10098Paved parking & roofs 0.74077Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)14.02000.10000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"0.0200.33008.6 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 14.0220Total Subcatchment S1.4: S1.4 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=0.740 ac Runoff Volume=0.121 af Runoff Depth=1.97"Flow Length=220'Tc=14.0 min CN=77 1.84 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 59 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.5: S1.5 Runoff=1.54 cfs @ 12.17 hrs, Volume=0.129 af, Depth=2.13"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 0.73079Woods/grass comb., Good, HSG D TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)4.2700.25000.3 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"18.81300.02000.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"0.2300.02002.1 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 23.2230Total Subcatchment S1.5: S1.5 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=0.730 ac Runoff Volume=0.129 af Runoff Depth=2.13"Flow Length=230'Tc=23.2 min CN=79 1.54 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 60 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.1: S2.1 Runoff=4.79 cfs @ 12.18 hrs, Volume=0.408 af, Depth=2.05"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 1.17074>75% Grass cover, Good, HSG C 0.14098Paved parking & roofs 1.08079Woods/grass comb., Good, HSG D 2.39078Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.9800.15000.3 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"17.71200.02000.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"2.22000.01001.5 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 23.8400Total Subcatchment S2.1: S2.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)5 4 3 2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=2.390 ac Runoff Volume=0.408 af Runoff Depth=2.05"Flow Length=400'Tc=23.8 min CN=78 4.79 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 61 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.2: S2.2 [49] Hint: Tc<2dt may require smaller dt Runoff=3.15 cfs @ 11.99 hrs, Volume=0.172 af, Depth=2.82"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 0.25074>75% Grass cover, Good, HSG C 0.38098Paved parking & roofs 0.10079Woods/grass comb., Good, HSG D 0.73087Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)7.91300.12000.3 Sheet Flow, n= 0.200 P2= 2.80"Subcatchment S2.2: S2.2 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)3 2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=0.730 ac Runoff Volume=0.172 af Runoff Depth=2.82"Flow Length=130'Tc=7.9 min CN=87 3.15 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 62 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.3: S2.3 Runoff=3.13 cfs @ 12.33 hrs, Volume=0.346 af, Depth=1.97"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 1.22074>75% Grass cover, Good, HSG C 0.05098Paved parking & roofs 0.84079Woods/grass comb., Good, HSG D 2.11077Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)29.82000.01500.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"6.34200.02501.1 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 36.1620Total Subcatchment S2.3: S2.3 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)3 2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=2.110 ac Runoff Volume=0.346 af Runoff Depth=1.97"Flow Length=620'Tc=36.1 min CN=77 3.13 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 63 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.4: S2.4 Runoff=1.90 cfs @ 12.08 hrs, Volume=0.128 af, Depth=1.97"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 0.67074>75% Grass cover, Good, HSG C 0.11098Paved parking & roofs 0.78077Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.2500.25000.3 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"11.01500.04000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"0.91100.02002.1 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 15.1310Total Subcatchment S2.4: S2.4 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=0.780 ac Runoff Volume=0.128 af Runoff Depth=1.97"Flow Length=310'Tc=15.1 min CN=77 1.90 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 64 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.5: S2.5 Runoff=7.96 cfs @ 12.08 hrs, Volume=0.549 af, Depth=2.64"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 1.33074>75% Grass cover, Good, HSG C 1.17098Paved parking & roofs 2.50085Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)4.2700.25000.3 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"11.31100.02000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"0.5900.02002.9 Shallow Concentrated Flow, Paved Kv= 20.3 fps 16.0270Total Subcatchment S2.5: S2.5 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)8 7 6 5 4 3 2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=2.500 ac Runoff Volume=0.549 af Runoff Depth=2.64"Flow Length=270'Tc=16.0 min CN=85 7.96 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 65 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S3.1: S3.1 Runoff=2.74 cfs @ 12.13 hrs, Volume=0.212 af, Depth=1.97"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 10 YR Rainfall=4.20"Area (ac)CNDescription 0.77079Woods/grass comb., Good, HSG D 0.52074>75% Grass cover, Good, HSG C 1.29077Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.7600.25000.3 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"13.31400.05500.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"3.11600.01500.9 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 20.1360Total Subcatchment S3.1: S3.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)3 2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=1.290 ac Runoff Volume=0.212 af Runoff Depth=1.97"Flow Length=360'Tc=20.1 min CN=77 2.74 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 66 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D: TOTAL DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =51.050 ac, Inflow Depth > 2.30" for 10 YR event Inflow=13.15 cfs @ 12.32 hrs, Volume=9.769 af Outflow=13.15 cfs @ 12.32 hrs, Volume=9.769 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D: TOTAL DISCHARGE Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=51.050 ac 13.15 cfs 13.15 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 67 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D1: DISCHARGE 1 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =41.250 ac, Inflow Depth > 2.32" for 10 YR event Inflow=6.07 cfs @ 16.75 hrs, Volume=7.961 af Outflow=6.07 cfs @ 16.75 hrs, Volume=7.961 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D1: DISCHARGE 1 Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)6 5 4 3 2 1 0 Inflow Area=41.250 ac 6.07 cfs 6.07 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 68 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D2: DISCHARGE 2 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =49.760 ac, Inflow Depth > 2.30" for 10 YR event Inflow=11.91 cfs @ 12.47 hrs, Volume=9.557 af Outflow=11.91 cfs @ 12.47 hrs, Volume=9.557 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D2: DISCHARGE 2 Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=49.760 ac 11.91 cfs 11.91 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 69 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D3: DISCHARGE 3 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =1.290 ac, Inflow Depth = 1.97" for 10 YR event Inflow=2.74 cfs @ 12.13 hrs, Volume=0.212 af Outflow=2.74 cfs @ 12.13 hrs, Volume=0.212 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D3: DISCHARGE 3 Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)3 2 1 0 Inflow Area=1.290 ac 2.74 cfs 2.74 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 70 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D4: FT DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =26.050 ac, Inflow Depth > 2.42" for 10 YR event Inflow=10.38 cfs @ 12.19 hrs, Volume=5.260 af Outflow=10.38 cfs @ 12.19 hrs, Volume=5.260 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D4: FT DISCHARGE Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=26.050 ac 10.38 cfs 10.38 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 71 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4B: POND B Inflow Area =3.790 ac, Inflow Depth = 2.46" for 10 YR event Inflow=11.18 cfs @ 12.09 hrs, Volume=0.777 af Outflow=7.57 cfs @ 12.22 hrs, Volume=0.777 af, Atten= 32%, Lag= 7.9 min Primary=7.57 cfs @ 12.22 hrs, Volume=0.777 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 907.86' @ 12.22 hrs Surf.Area= 0.076 ac Storage= 0.105 af Plug-Flow detention time= 10.7 min calculated for 0.776 af (100% of inflow)Center-of-Mass det. time= 10.9 min ( 838.3 - 827.4 )VolumeInvertAvail.StorageStorage Description #1905.59'0.315 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)905.590.020108.00.0000.0000.020 906.000.030121.00.0100.0100.026 908.000.080218.00.1060.1160.086 910.000.120320.00.1990.3150.187 DeviceRoutingInvertOutlet Devices #1Device 2905.59'15.0" x 140.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 903.51' S= 0.0149 '/' Cc= 0.900 n= 0.012 #2Primary897.99'15.0" x 40.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 897.66' S= 0.0083 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=7.49 cfs @ 12.22 hrs HW=907.82' TW=898.12' (Dynamic Tailwater)2=Culvert (Passes 7.49 cfs of 17.93 cfs potential flow)1=Culvert (Inlet Controls 7.49 cfs @ 6.1 fps)Pond 4B: POND B Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=3.790 ac Peak Elev=907.86'Storage=0.105 af 11.18 cfs 7.57 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 72 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4C: POND C Inflow Area =8.360 ac, Inflow Depth = 2.46" for 10 YR event Inflow=25.57 cfs @ 12.07 hrs, Volume=1.714 af Outflow=12.47 cfs @ 12.23 hrs, Volume=1.713 af, Atten= 51%, Lag= 9.4 min Primary=12.47 cfs @ 12.23 hrs, Volume=1.713 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 900.06' @ 12.26 hrs Surf.Area= 0.193 ac Storage= 0.454 af Plug-Flow detention time= 71.4 min calculated for 1.710 af (100% of inflow)Center-of-Mass det. time= 73.4 min ( 899.0 - 825.6 )VolumeInvertAvail.StorageStorage Description #1897.09'0.919 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)897.090.110332.00.0000.0000.110 898.000.140352.00.1130.1130.136 900.000.190408.00.3290.4420.216 902.000.290566.00.4760.9190.498 DeviceRoutingInvertOutlet Devices #1Primary897.09'18.0" x 35.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 896.97' S= 0.0034 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=11.74 cfs @ 12.23 hrs HW=900.03' TW=898.13' (Dynamic Tailwater)1=Culvert (Inlet Controls 11.74 cfs @ 6.6 fps)Pond 4C: POND C Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=8.360 ac Peak Elev=900.06'Storage=0.454 af 18.0" x 35.0' Culvert 25.57 cfs 12.47 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 73 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4D: POND D Inflow Area =2.090 ac, Inflow Depth = 2.46" for 10 YR event Inflow=8.04 cfs @ 11.99 hrs, Volume=0.429 af Outflow=3.83 cfs @ 12.13 hrs, Volume=0.428 af, Atten= 52%, Lag= 8.4 min Primary=3.83 cfs @ 12.13 hrs, Volume=0.428 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 892.60' @ 12.13 hrs Surf.Area= 0.132 ac Storage= 0.133 af Plug-Flow detention time= 64.9 min calculated for 0.428 af (100% of inflow)Center-of-Mass det. time= 63.6 min ( 882.7 - 819.1 )VolumeInvertAvail.StorageStorage Description #1891.47'0.338 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)891.470.100364.00.0000.0000.100 892.000.120377.00.0580.0580.118 893.000.140397.00.1300.1880.148 894.000.160420.00.1500.3380.183 DeviceRoutingInvertOutlet Devices #1Primary891.47'18.0" x 15.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 891.38' S= 0.0060 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=3.72 cfs @ 12.13 hrs HW=892.58' TW=0.00' (Dynamic Tailwater)1=Culvert (Barrel Controls 3.72 cfs @ 3.7 fps)Pond 4D: POND D Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)9 8 7 6 5 4 3 2 1 0 Inflow Area=2.090 ac Peak Elev=892.60'Storage=0.133 af 18.0" x 15.0' Culvert 8.04 cfs 3.83 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 74 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4P: Ag Urban Wet Inflow Area =22.940 ac, Inflow Depth = 2.46" for 10 YR event Inflow=48.91 cfs @ 12.06 hrs, Volume=4.703 af Outflow=6.17 cfs @ 13.11 hrs, Volume=4.623 af, Atten= 87%, Lag= 63.2 min Primary=6.17 cfs @ 13.11 hrs, Volume=4.623 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 898.63' @ 13.11 hrs Surf.Area= 1.566 ac Storage= 2.347 af Plug-Flow detention time= 322.0 min calculated for 4.623 af (98% of inflow)Center-of-Mass det. time= 307.8 min ( 1,161.2 - 853.4 )VolumeInvertAvail.StorageStorage Description #1896.91'9.353 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)896.911.270908.00.0000.0001.270 898.001.360933.01.4331.4331.357 900.002.0701,232.03.4054.8382.541 902.002.4501,328.04.5159.3532.994 DeviceRoutingInvertOutlet Devices #1Device 2896.91'15.0" x 47.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 896.21' S= 0.0149 '/' Cc= 0.900 n= 0.012 #2Device 3896.21'21.0" x 228.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 895.91' S= 0.0013 '/' Cc= 0.900 n= 0.012 #3Primary892.56'18.0" x 70.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 889.50' S= 0.0437 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=6.17 cfs @ 13.11 hrs HW=898.63' TW=0.00' (Dynamic Tailwater)3=Culvert (Passes 6.17 cfs of 19.62 cfs potential flow)2=Culvert (Passes 6.17 cfs of 9.05 cfs potential flow)1=Culvert (Inlet Controls 6.17 cfs @ 5.0 fps) Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 75 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4P: Ag Urban Wet Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)50 45 40 35 30 25 20 15 10 5 0 Inflow Area=22.940 ac Peak Elev=898.63'Storage=2.347 af 48.91 cfs 6.17 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 76 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P1: WEST POND Inflow Area =1.640 ac, Inflow Depth = 2.24" for 10 YR event Inflow=4.87 cfs @ 12.03 hrs, Volume=0.306 af Outflow=1.40 cfs @ 12.30 hrs, Volume=0.305 af, Atten= 71%, Lag= 16.4 min Primary=1.40 cfs @ 12.30 hrs, Volume=0.305 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 893.02' @ 12.30 hrs Surf.Area= 0.120 ac Storage= 0.113 af Plug-Flow detention time= 86.4 min calculated for 0.305 af (100% of inflow)Center-of-Mass det. time= 87.8 min ( 917.6 - 829.8 )VolumeInvertAvail.StorageStorage Description #1892.00'0.390 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)892.000.100254.00.0000.0000.100 893.000.120273.00.1100.1100.119 894.000.140291.00.1300.2400.139 895.000.160310.00.1500.3900.161 DeviceRoutingInvertOutlet Devices #1Device 3892.00'8.0" Vert. Orifice/Grate C= 0.600 #2Device 3893.80'5.0' long x 0.7' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 Coef. (English) 2.76 2.82 2.93 3.09 3.18 3.22 3.27 3.30 3.32 3.31 3.32 #3Primary892.00'12.0" x 20.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 891.80' S= 0.0100 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=1.40 cfs @ 12.30 hrs HW=893.02' TW=890.37' (Dynamic Tailwater)3=Culvert (Passes 1.40 cfs of 2.54 cfs potential flow)1=Orifice/Grate (Orifice Controls 1.40 cfs @ 4.0 fps)2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 77 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P1: WEST POND Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)5 4 3 2 1 0 Inflow Area=1.640 ac Peak Elev=893.02'Storage=0.113 af 4.87 cfs 1.40 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 78 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P2.1: DRIVE TO NORTH Inflow Area =43.640 ac, Inflow Depth > 2.30" for 10 YR event Inflow=9.42 cfs @ 12.23 hrs, Volume=8.369 af Outflow=7.98 cfs @ 12.41 hrs, Volume=8.369 af, Atten= 15%, Lag= 11.2 min Primary=7.98 cfs @ 12.41 hrs, Volume=8.369 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 883.96' @ 12.41 hrs Surf.Area= 0.077 ac Storage= 0.056 af Plug-Flow detention time= 2.2 min calculated for 8.369 af (100% of inflow)Center-of-Mass det. time= 2.2 min ( 1,253.6 - 1,251.4 )VolumeInvertAvail.StorageStorage Description #1881.80'0.271 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)881.800.0000.00.0000.0000.000 884.000.080274.00.0590.0590.137 885.000.170343.00.1220.1810.215 885.500.190410.00.0900.2710.308 DeviceRoutingInvertOutlet Devices #1Primary881.80'18.0" x 66.0' long Culvert CMP, projecting, no headwall, Ke= 0.900 Outlet Invert= 879.40' S= 0.0364 '/' Cc= 0.900 n= 0.024 #2Primary885.00'Custom Weir/Orifice, C= 2.62 Head (feet) 0.00 0.50 Width (feet) 10.00 50.00 Primary OutFlow Max=7.96 cfs @ 12.41 hrs HW=883.96' TW=0.00' (Dynamic Tailwater)1=Culvert (Inlet Controls 7.96 cfs @ 4.5 fps)2=Custom Weir/Orifice ( Controls 0.00 cfs)Pond P2.1: DRIVE TO NORTH Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)10 9 8 7 6 5 4 3 2 1 0 Inflow Area=43.640 ac Peak Elev=883.96'Storage=0.056 af 9.42 cfs 7.98 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 79 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P2.2: EAST POND Inflow Area =6.120 ac, Inflow Depth = 2.34" for 10 YR event Inflow=12.67 cfs @ 12.06 hrs, Volume=1.195 af Outflow=4.07 cfs @ 12.62 hrs, Volume=1.188 af, Atten= 68%, Lag= 33.2 min Primary=4.07 cfs @ 12.62 hrs, Volume=1.188 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 895.32' @ 12.62 hrs Surf.Area= 0.365 ac Storage= 0.443 af Plug-Flow detention time= 144.1 min calculated for 1.188 af (99% of inflow)Center-of-Mass det. time= 140.2 min ( 977.5 - 837.3 )VolumeInvertAvail.StorageStorage Description #1894.00'1.124 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)894.000.310460.00.0000.0000.310 895.000.350484.00.3300.3300.353 896.000.400561.00.3750.7050.500 897.000.440580.00.4201.1240.542 DeviceRoutingInvertOutlet Devices #1Primary894.00'15.0" x 20.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 893.90' S= 0.0050 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=4.06 cfs @ 12.62 hrs HW=895.32' TW=0.00' (Dynamic Tailwater)1=Culvert (Barrel Controls 4.06 cfs @ 3.9 fps)Pond P2.2: EAST POND Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=6.120 ac Peak Elev=895.32'Storage=0.443 af 15.0" x 20.0' Culvert 12.67 cfs 4.07 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 80 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W1.1: WETLAND [80] Warning: Exceeded Pond W1.2 by 0.03' @ 12.30 hrs (2.86 cfs 0.032 af) Inflow Area =41.250 ac, Inflow Depth > 2.33" for 10 YR event Inflow=38.60 cfs @ 12.12 hrs, Volume=7.994 af Outflow=6.07 cfs @ 16.75 hrs, Volume=7.961 af, Atten= 84%, Lag= 277.7 min Primary=6.07 cfs @ 16.75 hrs, Volume=7.961 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 891.18' @ 16.75 hrs Surf.Area= 1.728 ac Storage= 2.214 af Plug-Flow detention time= 221.4 min calculated for 7.950 af (99% of inflow)Center-of-Mass det. time= 210.7 min ( 1,272.0 - 1,061.3 )VolumeInvertAvail.StorageStorage Description #1888.11'4.057 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)888.110.290806.00.0000.0000.290 890.000.6501,598.00.8660.8663.769 892.002.7901,712.03.1914.0574.462 DeviceRoutingInvertOutlet Devices #1Primary888.10'12.0" x 20.0' long Culvert CMP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 888.08' S= 0.0010 '/' Cc= 0.900 n= 0.012 #2Primary891.23'Custom Weir/Orifice, C= 2.62 Head (feet) 0.00 0.50 Width (feet) 0.00 20.00 Primary OutFlow Max=6.07 cfs @ 16.75 hrs HW=891.18' TW=0.00' (Dynamic Tailwater)1=Culvert (Inlet Controls 6.07 cfs @ 7.7 fps)2=Custom Weir/Orifice ( Controls 0.00 cfs)Pond W1.1: WETLAND Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=41.250 ac Peak Elev=891.18'Storage=2.214 af 38.60 cfs 6.07 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 81 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W1.2: WETLAND Inflow Area =28.420 ac, Inflow Depth > 2.40" for 10 YR event Inflow=13.28 cfs @ 12.19 hrs, Volume=5.695 af Outflow=8.78 cfs @ 12.17 hrs, Volume=5.695 af, Atten= 34%, Lag= 0.0 min Primary=8.78 cfs @ 12.17 hrs, Volume=5.695 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 891.22' @ 16.52 hrs Surf.Area= 0.444 ac Storage= 0.402 af Plug-Flow detention time= 43.0 min calculated for 5.695 af (100% of inflow)Center-of-Mass det. time= 43.0 min ( 1,150.9 - 1,107.9 )VolumeInvertAvail.StorageStorage Description #1888.40'1.241 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)888.400.0000.00.0000.0000.000 890.000.130441.00.0690.0690.355 892.000.740750.00.7870.8561.028 892.500.800770.00.3851.2411.084 DeviceRoutingInvertOutlet Devices #1Primary888.40'30.0" x 110.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 887.90' S= 0.0045 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=2.27 cfs @ 12.17 hrs HW=890.08' TW=890.05' (Dynamic Tailwater)1=Culvert (Outlet Controls 2.27 cfs @ 0.9 fps)Pond W1.2: WETLAND Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=28.420 ac Peak Elev=891.22'Storage=0.402 af 30.0" x 110.0' Culvert 13.28 cfs 8.78 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 82 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W2: WETLAND Inflow Area =2.110 ac, Inflow Depth = 1.97" for 10 YR event Inflow=3.13 cfs @ 12.33 hrs, Volume=0.346 af Outflow=2.92 cfs @ 12.43 hrs, Volume=0.346 af, Atten= 7%, Lag= 6.1 min Primary=2.92 cfs @ 12.43 hrs, Volume=0.346 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 896.40' @ 12.43 hrs Surf.Area= 0.133 ac Storage= 0.031 af Plug-Flow detention time= 15.6 min calculated for 0.346 af (100% of inflow)Center-of-Mass det. time= 13.9 min ( 876.6 - 862.7 )VolumeInvertAvail.StorageStorage Description #1896.11'0.151 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)896.110.080222.00.0000.0000.080 897.000.280420.00.1510.1510.312 DeviceRoutingInvertOutlet Devices #1Primary896.11'Custom Weir/Orifice, C= 2.62 Head (feet) 0.00 1.89 Width (feet) 4.00 30.00 Primary OutFlow Max=2.87 cfs @ 12.43 hrs HW=896.40' TW=895.28' (Dynamic Tailwater)1=Custom Weir/Orifice (Weir Controls 2.87 cfs @ 1.6 fps)Pond W2: WETLAND Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)3 2 1 0 Inflow Area=2.110 ac Peak Elev=896.40'Storage=0.031 af 3.13 cfs 2.92 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 83 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Time span=0.00-72.00 hrs, dt=0.10 hrs, 721 points Runoff by SCS TR-20 method, UH=SCS Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=1.020 ac Runoff Depth=4.09"Subcatchment FT4.1: FT4.1 Flow Length=200' Tc=19.6 min CN=83 Runoff=4.55 cfs 0.348 af Runoff Area=0.700 ac Runoff Depth=4.09"Subcatchment FT4.2: FT4.2 Flow Length=230' Tc=8.5 min CN=83 Runoff=4.31 cfs 0.239 af Runoff Area=1.390 ac Runoff Depth=4.09"Subcatchment FT4.3: FT4.3 Flow Length=200' Tc=7.2 min CN=83 Runoff=8.80 cfs 0.474 af Runoff Area=7.500 ac Runoff Depth=4.09"Subcatchment FT4.4: FT4.4 Flow Length=530' Tc=14.4 min CN=83 Runoff=37.80 cfs 2.557 af Runoff Area=0.860 ac Runoff Depth=4.09"Subcatchment FT4.5: FT4.5 Flow Length=220' Tc=16.7 min CN=83 Runoff=4.14 cfs 0.293 af Runoff Area=7.350 ac Runoff Depth=4.09"Subcatchment FT4.6: FT4.6 Flow Length=340' Tc=10.9 min CN=83 Runoff=41.37 cfs 2.506 af Runoff Area=3.440 ac Runoff Depth=4.09"Subcatchment FT4.7: FT4.7 Flow Length=380' Tc=15.4 min CN=83 Runoff=17.03 cfs 1.173 af Runoff Area=3.790 ac Runoff Depth=4.09"Subcatchment FT4.8: FT4.8 Flow Length=550' Tc=16.5 min CN=83 Runoff=18.34 cfs 1.292 af Runoff Area=8.250 ac Runoff Depth=3.78"Subcatchment FT5.1: FT5.1 Flow Length=980' Tc=20.3 min CN=80 Runoff=33.56 cfs 2.600 af Runoff Area=3.990 ac Runoff Depth=3.68"Subcatchment S1.1: S1.1 Flow Length=340' Tc=16.7 min CN=79 Runoff=17.47 cfs 1.223 af Runoff Area=0.350 ac Runoff Depth=1.52"Subcatchment S1.1A: PRESERVATION Flow Length=50' Tc=17.4 min CN=55 Runoff=0.56 cfs 0.044 af Runoff Area=0.240 ac Runoff Depth=4.52"Subcatchment S1.2: S1.2 Flow Length=510' Tc=6.3 min CN=87 Runoff=1.65 cfs 0.090 af Runoff Area=0.900 ac Runoff Depth=4.09"Subcatchment S1.3: S1.3 Flow Length=280' Tc=10.3 min CN=83 Runoff=5.19 cfs 0.307 af Runoff Area=0.740 ac Runoff Depth=3.48"Subcatchment S1.4: S1.4 Flow Length=220' Tc=14.0 min CN=77 Runoff=3.24 cfs 0.215 af Runoff Area=0.730 ac Runoff Depth=3.68"Subcatchment S1.5: S1.5 Flow Length=230' Tc=23.2 min CN=79 Runoff=2.67 cfs 0.224 af Runoff Area=2.390 ac Runoff Depth=3.58"Subcatchment S2.1: S2.1 Flow Length=400' Tc=23.8 min CN=78 Runoff=8.40 cfs 0.713 af Runoff Area=0.730 ac Runoff Depth=4.52"Subcatchment S2.2: S2.2 Flow Length=130' Tc=7.9 min CN=87 Runoff=4.92 cfs 0.275 af Runoff Area=2.110 ac Runoff Depth=3.48"Subcatchment S2.3: S2.3 Flow Length=620' Tc=36.1 min CN=77 Runoff=5.60 cfs 0.612 af Runoff Area=0.780 ac Runoff Depth=3.48"Subcatchment S2.4: S2.4 Flow Length=310' Tc=15.1 min CN=77 Runoff=3.35 cfs 0.226 af Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 84 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Runoff Area=2.500 ac Runoff Depth=4.30"Subcatchment S2.5: S2.5 Flow Length=270' Tc=16.0 min CN=85 Runoff=12.76 cfs 0.896 af Runoff Area=1.290 ac Runoff Depth=3.48"Subcatchment S3.1: S3.1 Flow Length=360' Tc=20.1 min CN=77 Runoff=4.87 cfs 0.374 af Inflow=19.42 cfs 16.552 af Reach D: TOTAL DISCHARGE Outflow=19.42 cfs 16.552 af Inflow=12.44 cfs 13.464 af Reach D1: DISCHARGE 1 Outflow=12.44 cfs 13.464 af Inflow=16.97 cfs 16.178 af Reach D2: DISCHARGE 2 Outflow=16.97 cfs 16.178 af Inflow=4.87 cfs 0.374 af Reach D3: DISCHARGE 3 Outflow=4.87 cfs 0.374 af Inflow=17.51 cfs 8.796 af Reach D4: FT DISCHARGE Outflow=17.51 cfs 8.796 af Peak Elev=909.18' Storage=0.223 af Inflow=18.34 cfs 1.292 af Pond 4B: POND B Outflow=10.01 cfs 1.292 af Peak Elev=901.71' Storage=0.838 af Inflow=41.89 cfs 2.850 af Pond 4C: POND C 18.0" x 35.0' Culvert Outflow=14.76 cfs 2.849 af Peak Elev=893.10' Storage=0.203 af Inflow=13.09 cfs 0.713 af Pond 4D: POND D 18.0" x 15.0' Culvert Outflow=6.75 cfs 0.712 af Peak Elev=899.61' Storage=4.066 af Inflow=77.66 cfs 7.820 af Pond 4P: Ag Urban Wet Outflow=8.52 cfs 7.736 af Peak Elev=893.72' Storage=0.202 af Inflow=8.24 cfs 0.521 af Pond P1: WEST POND Outflow=1.98 cfs 0.521 af Peak Elev=885.13' Storage=0.203 af Inflow=14.10 cfs 14.176 af Pond P2.1: DRIVE TO NORTH Outflow=12.89 cfs 14.176 af Peak Elev=896.09' Storage=0.740 af Inflow=21.07 cfs 2.009 af Pond P2.2: EAST POND 15.0" x 20.0' Culvert Outflow=6.93 cfs 2.002 af Peak Elev=891.65' Storage=3.156 af Inflow=62.92 cfs 13.498 af Pond W1.1: WETLAND Outflow=12.44 cfs 13.464 af Peak Elev=891.83' Storage=0.735 af Inflow=22.03 cfs 9.541 af Pond W1.2: WETLAND 30.0" x 110.0' Culvert Outflow=11.12 cfs 9.541 af Peak Elev=896.52' Storage=0.047 af Inflow=5.60 cfs 0.612 af Pond W2: WETLAND Outflow=5.32 cfs 0.612 af Total Runoff Area = 51.050 ac Runoff Volume = 16.680 af Average Runoff Depth = 3.92" Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 85 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.1: FT4.1 Runoff=4.55 cfs @ 12.12 hrs, Volume=0.348 af, Depth=4.09"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 1.020831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.5800.20000.4 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"16.11200.02500.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"19.6200Total Subcatchment FT4.1: FT4.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)5 4 3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=1.020 ac Runoff Volume=0.348 af Runoff Depth=4.09"Flow Length=200'Tc=19.6 min CN=83 4.55 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 86 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.2: FT4.2 [49] Hint: Tc<2dt may require smaller dt Runoff=4.31 cfs @ 11.99 hrs, Volume=0.239 af, Depth=4.09"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 0.700831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)7.3800.08000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"1.21500.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 8.5230Total Subcatchment FT4.2: FT4.2 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)4 3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=0.700 ac Runoff Volume=0.239 af Runoff Depth=4.09"Flow Length=230'Tc=8.5 min CN=83 4.31 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 87 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.3: FT4.3 [49] Hint: Tc<2dt may require smaller dt Runoff=8.80 cfs @ 11.98 hrs, Volume=0.474 af, Depth=4.09"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 1.390831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)6.0500.02000.1 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"1.21500.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 7.2200Total Subcatchment FT4.3: FT4.3 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)9 8 7 6 5 4 3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=1.390 ac Runoff Volume=0.474 af Runoff Depth=4.09"Flow Length=200'Tc=7.2 min CN=83 8.80 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 88 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.4: FT4.4 Runoff=37.80 cfs @ 12.06 hrs, Volume=2.557 af, Depth=4.09"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 7.500831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)11.82000.06000.3 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.63300.02002.1 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 14.4530Total Subcatchment FT4.4: FT4.4 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=7.500 ac Runoff Volume=2.557 af Runoff Depth=4.09"Flow Length=530'Tc=14.4 min CN=83 37.80 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 89 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.5: FT4.5 Runoff=4.14 cfs @ 12.09 hrs, Volume=0.293 af, Depth=4.09"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 0.860831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)16.72000.02500.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"0.0200.20006.7 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 16.7220Total Subcatchment FT4.5: FT4.5 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)4 3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=0.860 ac Runoff Volume=0.293 af Runoff Depth=4.09"Flow Length=220'Tc=16.7 min CN=83 4.14 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 90 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.6: FT4.6 [49] Hint: Tc<2dt may require smaller dt Runoff=41.37 cfs @ 12.01 hrs, Volume=2.506 af, Depth=4.09"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 7.350831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)8.8800.02000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.12600.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 10.9340Total Subcatchment FT4.6: FT4.6 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=7.350 ac Runoff Volume=2.506 af Runoff Depth=4.09"Flow Length=340'Tc=10.9 min CN=83 41.37 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 91 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.7: FT4.7 Runoff=17.03 cfs @ 12.08 hrs, Volume=1.173 af, Depth=4.09"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 3.440831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)13.31900.04000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.11900.01001.5 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 15.4380Total Subcatchment FT4.7: FT4.7 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=3.440 ac Runoff Volume=1.173 af Runoff Depth=4.09"Flow Length=380'Tc=15.4 min CN=83 17.03 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 92 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.8: FT4.8 Runoff=18.34 cfs @ 12.09 hrs, Volume=1.292 af, Depth=4.09"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 3.790831/4 acre lots, 38% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)14.62000.03500.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"1.93500.04003.0 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 16.5550Total Subcatchment FT4.8: FT4.8 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=3.790 ac Runoff Volume=1.292 af Runoff Depth=4.09"Flow Length=550'Tc=16.5 min CN=83 18.34 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 93 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT5.1: FT5.1 Runoff=33.56 cfs @ 12.13 hrs, Volume=2.600 af, Depth=3.78"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 8.250801/2 acre lots, 25% imp, HSG C TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)15.52000.03000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.64000.03002.6 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 2.23800.02002.9 Shallow Concentrated Flow, Paved Kv= 20.3 fps 20.3980Total Subcatchment FT5.1: FT5.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=8.250 ac Runoff Volume=2.600 af Runoff Depth=3.78"Flow Length=980'Tc=20.3 min CN=80 33.56 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 94 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.1: S1.1 Runoff=17.47 cfs @ 12.09 hrs, Volume=1.223 af, Depth=3.68"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 1.33074>75% Grass cover, Good, HSG C 0.32098Paved parking & roofs 2.34079Woods/grass comb., Good, HSG D 3.99079Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)14.82000.06000.2 Sheet Flow, n= 0.200 P2= 2.80"1.91400.03001.2 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 16.7340Total Subcatchment S1.1: S1.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=3.990 ac Runoff Volume=1.223 af Runoff Depth=3.68"Flow Length=340'Tc=16.7 min CN=79 17.47 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 95 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.1A: PRESERVATION Runoff=0.56 cfs @ 12.12 hrs, Volume=0.044 af, Depth=1.52"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 0.35055Woods, Good, HSG B TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)17.4500.04000.0 Sheet Flow, Woods: Dense underbrush n= 0.800 P2= 2.80"Subcatchment S1.1A: PRESERVATION Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=0.350 ac Runoff Volume=0.044 af Runoff Depth=1.52"Flow Length=50'Tc=17.4 min CN=55 0.56 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 96 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.2: S1.2 [49] Hint: Tc<2dt may require smaller dt Runoff=1.65 cfs @ 11.97 hrs, Volume=0.090 af, Depth=4.52"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 0.11074>75% Grass cover, Good, HSG C 0.13098Paved parking & roofs 0.24087Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)1.7100.02000.1 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"1.31000.02001.3 Sheet Flow, Smooth surfaces n= 0.011 P2= 2.80"3.34000.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 6.3510Total Subcatchment S1.2: S1.2 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=0.240 ac Runoff Volume=0.090 af Runoff Depth=4.52"Flow Length=510'Tc=6.3 min CN=87 1.65 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 97 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.3: S1.3 [49] Hint: Tc<2dt may require smaller dt Runoff=5.19 cfs @ 12.01 hrs, Volume=0.307 af, Depth=4.09"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 0.55074>75% Grass cover, Good, HSG C 0.35098Paved parking & roofs 0.90083Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)6.2800.12000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"3.0300.04000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"1.11700.01502.5 Shallow Concentrated Flow, Paved Kv= 20.3 fps 10.3280Total Subcatchment S1.3: S1.3 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)5 4 3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=0.900 ac Runoff Volume=0.307 af Runoff Depth=4.09"Flow Length=280'Tc=10.3 min CN=83 5.19 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 98 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.4: S1.4 Runoff=3.24 cfs @ 12.06 hrs, Volume=0.215 af, Depth=3.48"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 0.64074>75% Grass cover, Good, HSG C 0.10098Paved parking & roofs 0.74077Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)14.02000.10000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"0.0200.33008.6 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 14.0220Total Subcatchment S1.4: S1.4 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=0.740 ac Runoff Volume=0.215 af Runoff Depth=3.48"Flow Length=220'Tc=14.0 min CN=77 3.24 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 99 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.5: S1.5 Runoff=2.67 cfs @ 12.17 hrs, Volume=0.224 af, Depth=3.68"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 0.73079Woods/grass comb., Good, HSG D TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)4.2700.25000.3 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"18.81300.02000.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"0.2300.02002.1 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 23.2230Total Subcatchment S1.5: S1.5 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=0.730 ac Runoff Volume=0.224 af Runoff Depth=3.68"Flow Length=230'Tc=23.2 min CN=79 2.67 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 100 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.1: S2.1 Runoff=8.40 cfs @ 12.18 hrs, Volume=0.713 af, Depth=3.58"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 1.17074>75% Grass cover, Good, HSG C 0.14098Paved parking & roofs 1.08079Woods/grass comb., Good, HSG D 2.39078Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.9800.15000.3 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"17.71200.02000.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"2.22000.01001.5 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 23.8400Total Subcatchment S2.1: S2.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)9 8 7 6 5 4 3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=2.390 ac Runoff Volume=0.713 af Runoff Depth=3.58"Flow Length=400'Tc=23.8 min CN=78 8.40 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 101 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.2: S2.2 [49] Hint: Tc<2dt may require smaller dt Runoff=4.92 cfs @ 11.99 hrs, Volume=0.275 af, Depth=4.52"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 0.25074>75% Grass cover, Good, HSG C 0.38098Paved parking & roofs 0.10079Woods/grass comb., Good, HSG D 0.73087Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)7.91300.12000.3 Sheet Flow, n= 0.200 P2= 2.80"Subcatchment S2.2: S2.2 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)5 4 3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=0.730 ac Runoff Volume=0.275 af Runoff Depth=4.52"Flow Length=130'Tc=7.9 min CN=87 4.92 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 102 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.3: S2.3 Runoff=5.60 cfs @ 12.32 hrs, Volume=0.612 af, Depth=3.48"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 1.22074>75% Grass cover, Good, HSG C 0.05098Paved parking & roofs 0.84079Woods/grass comb., Good, HSG D 2.11077Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)29.82000.01500.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"6.34200.02501.1 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 36.1620Total Subcatchment S2.3: S2.3 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)6 5 4 3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=2.110 ac Runoff Volume=0.612 af Runoff Depth=3.48"Flow Length=620'Tc=36.1 min CN=77 5.60 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 103 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.4: S2.4 Runoff=3.35 cfs @ 12.08 hrs, Volume=0.226 af, Depth=3.48"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 0.67074>75% Grass cover, Good, HSG C 0.11098Paved parking & roofs 0.78077Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.2500.25000.3 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"11.01500.04000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"0.91100.02002.1 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 15.1310Total Subcatchment S2.4: S2.4 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=0.780 ac Runoff Volume=0.226 af Runoff Depth=3.48"Flow Length=310'Tc=15.1 min CN=77 3.35 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 104 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.5: S2.5 Runoff=12.76 cfs @ 12.08 hrs, Volume=0.896 af, Depth=4.30"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 1.33074>75% Grass cover, Good, HSG C 1.17098Paved parking & roofs 2.50085Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)4.2700.25000.3 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"11.31100.02000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"0.5900.02002.9 Shallow Concentrated Flow, Paved Kv= 20.3 fps 16.0270Total Subcatchment S2.5: S2.5 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=2.500 ac Runoff Volume=0.896 af Runoff Depth=4.30"Flow Length=270'Tc=16.0 min CN=85 12.76 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 105 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S3.1: S3.1 Runoff=4.87 cfs @ 12.13 hrs, Volume=0.374 af, Depth=3.48"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Type II 24-hr 100 YR Rainfall=6.00"Area (ac)CNDescription 0.77079Woods/grass comb., Good, HSG D 0.52074>75% Grass cover, Good, HSG C 1.29077Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.7600.25000.3 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"13.31400.05500.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"3.11600.01500.9 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 20.1360Total Subcatchment S3.1: S3.1 Runoff Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)5 4 3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=1.290 ac Runoff Volume=0.374 af Runoff Depth=3.48"Flow Length=360'Tc=20.1 min CN=77 4.87 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 106 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D: TOTAL DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =51.050 ac, Inflow Depth > 3.89" for 100 YR event Inflow=19.42 cfs @ 12.24 hrs, Volume=16.552 af Outflow=19.42 cfs @ 12.24 hrs, Volume=16.552 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D: TOTAL DISCHARGE Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=51.050 ac 19.42 cfs 19.42 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 107 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D1: DISCHARGE 1 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =41.250 ac, Inflow Depth > 3.92" for 100 YR event Inflow=12.44 cfs @ 14.44 hrs, Volume=13.464 af Outflow=12.44 cfs @ 14.44 hrs, Volume=13.464 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D1: DISCHARGE 1 Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=41.250 ac 12.44 cfs 12.44 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 108 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D2: DISCHARGE 2 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =49.760 ac, Inflow Depth > 3.90" for 100 YR event Inflow=16.97 cfs @ 12.55 hrs, Volume=16.178 af Outflow=16.97 cfs @ 12.55 hrs, Volume=16.178 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D2: DISCHARGE 2 Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=49.760 ac 16.97 cfs 16.97 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 109 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D3: DISCHARGE 3 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =1.290 ac, Inflow Depth = 3.48" for 100 YR event Inflow=4.87 cfs @ 12.13 hrs, Volume=0.374 af Outflow=4.87 cfs @ 12.13 hrs, Volume=0.374 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D3: DISCHARGE 3 Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)5 4 3 2 1 0 Inflow Area=1.290 ac 4.87 cfs 4.87 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 110 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D4: FT DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =26.050 ac, Inflow Depth > 4.05" for 100 YR event Inflow=17.51 cfs @ 12.14 hrs, Volume=8.796 af Outflow=17.51 cfs @ 12.14 hrs, Volume=8.796 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Reach D4: FT DISCHARGE Inflow Outflow Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=26.050 ac 17.51 cfs 17.51 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 111 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4B: POND B Inflow Area =3.790 ac, Inflow Depth = 4.09" for 100 YR event Inflow=18.34 cfs @ 12.09 hrs, Volume=1.292 af Outflow=10.01 cfs @ 12.26 hrs, Volume=1.292 af, Atten= 45%, Lag= 10.4 min Primary=10.01 cfs @ 12.26 hrs, Volume=1.292 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 909.18' @ 12.26 hrs Surf.Area= 0.103 ac Storage= 0.223 af Plug-Flow detention time= 13.6 min calculated for 1.292 af (100% of inflow)Center-of-Mass det. time= 11.8 min ( 824.7 - 812.9 )VolumeInvertAvail.StorageStorage Description #1905.59'0.315 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)905.590.020108.00.0000.0000.020 906.000.030121.00.0100.0100.026 908.000.080218.00.1060.1160.086 910.000.120320.00.1990.3150.187 DeviceRoutingInvertOutlet Devices #1Device 2905.59'15.0" x 140.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 903.51' S= 0.0149 '/' Cc= 0.900 n= 0.012 #2Primary897.99'15.0" x 40.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 897.66' S= 0.0083 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=9.96 cfs @ 12.26 hrs HW=909.14' TW=898.94' (Dynamic Tailwater)2=Culvert (Passes 9.96 cfs of 18.87 cfs potential flow)1=Culvert (Barrel Controls 9.96 cfs @ 8.1 fps)Pond 4B: POND B Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=3.790 ac Peak Elev=909.18'Storage=0.223 af 18.34 cfs 10.01 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 112 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4C: POND C Inflow Area =8.360 ac, Inflow Depth = 4.09" for 100 YR event Inflow=41.89 cfs @ 12.07 hrs, Volume=2.850 af Outflow=14.76 cfs @ 12.22 hrs, Volume=2.849 af, Atten= 65%, Lag= 8.9 min Primary=14.76 cfs @ 12.22 hrs, Volume=2.849 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 901.71' @ 12.32 hrs Surf.Area= 0.274 ac Storage= 0.838 af Plug-Flow detention time= 83.9 min calculated for 2.845 af (100% of inflow)Center-of-Mass det. time= 85.7 min ( 896.9 - 811.2 )VolumeInvertAvail.StorageStorage Description #1897.09'0.919 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)897.090.110332.00.0000.0000.110 898.000.140352.00.1130.1130.136 900.000.190408.00.3290.4420.216 902.000.290566.00.4760.9190.498 DeviceRoutingInvertOutlet Devices #1Primary897.09'18.0" x 35.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 896.97' S= 0.0034 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=14.01 cfs @ 12.22 hrs HW=901.57' TW=898.86' (Dynamic Tailwater)1=Culvert (Inlet Controls 14.01 cfs @ 7.9 fps)Pond 4C: POND C Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=8.360 ac Peak Elev=901.71'Storage=0.838 af 18.0" x 35.0' Culvert 41.89 cfs 14.76 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 113 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4D: POND D Inflow Area =2.090 ac, Inflow Depth = 4.09" for 100 YR event Inflow=13.09 cfs @ 11.98 hrs, Volume=0.713 af Outflow=6.75 cfs @ 12.12 hrs, Volume=0.712 af, Atten= 48%, Lag= 7.9 min Primary=6.75 cfs @ 12.12 hrs, Volume=0.712 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 893.10' @ 12.12 hrs Surf.Area= 0.142 ac Storage= 0.203 af Plug-Flow detention time= 49.8 min calculated for 0.711 af (100% of inflow)Center-of-Mass det. time= 51.4 min ( 856.1 - 804.7 )VolumeInvertAvail.StorageStorage Description #1891.47'0.338 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)891.470.100364.00.0000.0000.100 892.000.120377.00.0580.0580.118 893.000.140397.00.1300.1880.148 894.000.160420.00.1500.3380.183 DeviceRoutingInvertOutlet Devices #1Primary891.47'18.0" x 15.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 891.38' S= 0.0060 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=6.63 cfs @ 12.12 hrs HW=893.08' TW=0.00' (Dynamic Tailwater)1=Culvert (Barrel Controls 6.63 cfs @ 4.3 fps)Pond 4D: POND D Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=2.090 ac Peak Elev=893.10'Storage=0.203 af 18.0" x 15.0' Culvert 13.09 cfs 6.75 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 114 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4P: Ag Urban Wet Inflow Area =22.940 ac, Inflow Depth = 4.09" for 100 YR event Inflow=77.66 cfs @ 12.04 hrs, Volume=7.820 af Outflow=8.52 cfs @ 13.44 hrs, Volume=7.736 af, Atten= 89%, Lag= 83.9 min Primary=8.52 cfs @ 13.44 hrs, Volume=7.736 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 899.61' @ 13.44 hrs Surf.Area= 1.921 ac Storage= 4.066 af Plug-Flow detention time= 322.8 min calculated for 7.726 af (99% of inflow)Center-of-Mass det. time= 316.1 min ( 1,159.7 - 843.6 )VolumeInvertAvail.StorageStorage Description #1896.91'9.353 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)896.911.270908.00.0000.0001.270 898.001.360933.01.4331.4331.357 900.002.0701,232.03.4054.8382.541 902.002.4501,328.04.5159.3532.994 DeviceRoutingInvertOutlet Devices #1Device 2896.91'15.0" x 47.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 896.21' S= 0.0149 '/' Cc= 0.900 n= 0.012 #2Device 3896.21'21.0" x 228.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 895.91' S= 0.0013 '/' Cc= 0.900 n= 0.012 #3Primary892.56'18.0" x 70.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 889.50' S= 0.0437 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=8.52 cfs @ 13.44 hrs HW=899.61' TW=0.00' (Dynamic Tailwater)3=Culvert (Passes 8.52 cfs of 21.36 cfs potential flow)2=Culvert (Passes 8.52 cfs of 12.87 cfs potential flow)1=Culvert (Inlet Controls 8.52 cfs @ 6.9 fps) Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 115 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4P: Ag Urban Wet Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 Inflow Area=22.940 ac Peak Elev=899.61'Storage=4.066 af 77.66 cfs 8.52 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 116 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P1: WEST POND Inflow Area =1.640 ac, Inflow Depth = 3.82" for 100 YR event Inflow=8.24 cfs @ 12.02 hrs, Volume=0.521 af Outflow=1.98 cfs @ 12.33 hrs, Volume=0.521 af, Atten= 76%, Lag= 18.4 min Primary=1.98 cfs @ 12.33 hrs, Volume=0.521 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 893.72' @ 12.33 hrs Surf.Area= 0.134 ac Storage= 0.202 af Plug-Flow detention time= 81.7 min calculated for 0.521 af (100% of inflow)Center-of-Mass det. time= 80.5 min ( 895.4 - 814.9 )VolumeInvertAvail.StorageStorage Description #1892.00'0.390 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)892.000.100254.00.0000.0000.100 893.000.120273.00.1100.1100.119 894.000.140291.00.1300.2400.139 895.000.160310.00.1500.3900.161 DeviceRoutingInvertOutlet Devices #1Device 3892.00'8.0" Vert. Orifice/Grate C= 0.600 #2Device 3893.80'5.0' long x 0.7' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 Coef. (English) 2.76 2.82 2.93 3.09 3.18 3.22 3.27 3.30 3.32 3.31 3.32 #3Primary892.00'12.0" x 20.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 891.80' S= 0.0100 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=1.98 cfs @ 12.33 hrs HW=893.72' TW=891.12' (Dynamic Tailwater)3=Culvert (Passes 1.98 cfs of 4.17 cfs potential flow)1=Orifice/Grate (Orifice Controls 1.98 cfs @ 5.7 fps)2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 117 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P1: WEST POND Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)9 8 7 6 5 4 3 2 1 0 Inflow Area=1.640 ac Peak Elev=893.72'Storage=0.202 af 8.24 cfs 1.98 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 118 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P2.1: DRIVE TO NORTH Inflow Area =43.640 ac, Inflow Depth > 3.90" for 100 YR event Inflow=14.10 cfs @ 12.19 hrs, Volume=14.176 af Outflow=12.89 cfs @ 14.43 hrs, Volume=14.176 af, Atten= 9%, Lag= 134.2 min Primary=12.89 cfs @ 14.43 hrs, Volume=14.176 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 885.13' @ 14.43 hrs Surf.Area= 0.175 ac Storage= 0.203 af Plug-Flow detention time= 6.9 min calculated for 14.176 af (100% of inflow)Center-of-Mass det. time= 6.9 min ( 1,259.2 - 1,252.2 )VolumeInvertAvail.StorageStorage Description #1881.80'0.271 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)881.800.0000.00.0000.0000.000 884.000.080274.00.0590.0590.137 885.000.170343.00.1220.1810.215 885.500.190410.00.0900.2710.308 DeviceRoutingInvertOutlet Devices #1Primary881.80'18.0" x 66.0' long Culvert CMP, projecting, no headwall, Ke= 0.900 Outlet Invert= 879.40' S= 0.0364 '/' Cc= 0.900 n= 0.024 #2Primary885.00'Custom Weir/Orifice, C= 2.62 Head (feet) 0.00 0.50 Width (feet) 10.00 50.00 Primary OutFlow Max=12.89 cfs @ 14.43 hrs HW=885.13' TW=0.00' (Dynamic Tailwater)1=Culvert (Inlet Controls 10.79 cfs @ 6.1 fps)2=Custom Weir/Orifice (Weir Controls 2.11 cfs @ 1.1 fps)Pond P2.1: DRIVE TO NORTH Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=43.640 ac Peak Elev=885.13'Storage=0.203 af 14.10 cfs 12.89 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 119 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P2.2: EAST POND Inflow Area =6.120 ac, Inflow Depth = 3.94" for 100 YR event Inflow=21.07 cfs @ 12.06 hrs, Volume=2.009 af Outflow=6.93 cfs @ 12.61 hrs, Volume=2.002 af, Atten= 67%, Lag= 32.5 min Primary=6.93 cfs @ 12.61 hrs, Volume=2.002 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 896.09' @ 12.61 hrs Surf.Area= 0.403 ac Storage= 0.740 af Plug-Flow detention time= 116.4 min calculated for 1.999 af (99% of inflow)Center-of-Mass det. time= 117.2 min ( 940.0 - 822.8 )VolumeInvertAvail.StorageStorage Description #1894.00'1.124 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)894.000.310460.00.0000.0000.310 895.000.350484.00.3300.3300.353 896.000.400561.00.3750.7050.500 897.000.440580.00.4201.1240.542 DeviceRoutingInvertOutlet Devices #1Primary894.00'15.0" x 20.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 893.90' S= 0.0050 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=6.92 cfs @ 12.61 hrs HW=896.09' TW=0.00' (Dynamic Tailwater)1=Culvert (Barrel Controls 6.92 cfs @ 5.6 fps)Pond P2.2: EAST POND Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=6.120 ac Peak Elev=896.09'Storage=0.740 af 15.0" x 20.0' Culvert 21.07 cfs 6.93 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 120 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W1.1: WETLAND [80] Warning: Exceeded Pond W1.2 by 0.09' @ 12.20 hrs (6.58 cfs 0.158 af) Inflow Area =41.250 ac, Inflow Depth > 3.93" for 100 YR event Inflow=62.92 cfs @ 12.11 hrs, Volume=13.498 af Outflow=12.44 cfs @ 14.44 hrs, Volume=13.464 af, Atten= 80%, Lag= 140.0 min Primary=12.44 cfs @ 14.44 hrs, Volume=13.464 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 891.65' @ 14.44 hrs Surf.Area= 2.302 ac Storage= 3.156 af Plug-Flow detention time= 221.2 min calculated for 13.464 af (100% of inflow)Center-of-Mass det. time= 214.0 min ( 1,274.4 - 1,060.4 )VolumeInvertAvail.StorageStorage Description #1888.11'4.057 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)888.110.290806.00.0000.0000.290 890.000.6501,598.00.8660.8663.769 892.002.7901,712.03.1914.0574.462 DeviceRoutingInvertOutlet Devices #1Primary888.10'12.0" x 20.0' long Culvert CMP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 888.08' S= 0.0010 '/' Cc= 0.900 n= 0.012 #2Primary891.23'Custom Weir/Orifice, C= 2.62 Head (feet) 0.00 0.50 Width (feet) 0.00 20.00 Primary OutFlow Max=12.43 cfs @ 14.44 hrs HW=891.65' TW=0.00' (Dynamic Tailwater)1=Culvert (Inlet Controls 6.60 cfs @ 8.4 fps)2=Custom Weir/Orifice (Weir Controls 5.84 cfs @ 1.7 fps)Pond W1.1: WETLAND Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 Inflow Area=41.250 ac Peak Elev=891.65'Storage=3.156 af 62.92 cfs 12.44 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 121 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W1.2: WETLAND Inflow Area =28.420 ac, Inflow Depth > 4.03" for 100 YR event Inflow=22.03 cfs @ 12.15 hrs, Volume=9.541 af Outflow=11.12 cfs @ 12.12 hrs, Volume=9.541 af, Atten= 50%, Lag= 0.0 min Primary=11.12 cfs @ 12.12 hrs, Volume=9.541 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 891.83' @ 14.24 hrs Surf.Area= 0.668 ac Storage= 0.735 af Plug-Flow detention time= 56.2 min calculated for 9.527 af (100% of inflow)Center-of-Mass det. time= 56.2 min ( 1,158.5 - 1,102.3 )VolumeInvertAvail.StorageStorage Description #1888.40'1.241 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)888.400.0000.00.0000.0000.000 890.000.130441.00.0690.0690.355 892.000.740750.00.7870.8561.028 892.500.800770.00.3851.2411.084 DeviceRoutingInvertOutlet Devices #1Primary888.40'30.0" x 110.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 887.90' S= 0.0045 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=0.00 cfs @ 12.12 hrs HW=890.58' TW=890.65' (Dynamic Tailwater)1=Culvert ( Controls 0.00 cfs)Pond W1.2: WETLAND Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=28.420 ac Peak Elev=891.83'Storage=0.735 af 30.0" x 110.0' Culvert 22.03 cfs 11.12 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 122 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W2: WETLAND Inflow Area =2.110 ac, Inflow Depth = 3.48" for 100 YR event Inflow=5.60 cfs @ 12.32 hrs, Volume=0.612 af Outflow=5.32 cfs @ 12.41 hrs, Volume=0.612 af, Atten= 5%, Lag= 5.3 min Primary=5.32 cfs @ 12.41 hrs, Volume=0.612 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 896.52' @ 12.41 hrs Surf.Area= 0.156 ac Storage= 0.047 af Plug-Flow detention time= 13.5 min calculated for 0.612 af (100% of inflow)Center-of-Mass det. time= 11.7 min ( 858.1 - 846.4 )VolumeInvertAvail.StorageStorage Description #1896.11'0.151 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)896.110.080222.00.0000.0000.080 897.000.280420.00.1510.1510.312 DeviceRoutingInvertOutlet Devices #1Primary896.11'Custom Weir/Orifice, C= 2.62 Head (feet) 0.00 1.89 Width (feet) 4.00 30.00 Primary OutFlow Max=5.28 cfs @ 12.41 hrs HW=896.52' TW=896.03' (Dynamic Tailwater)1=Custom Weir/Orifice (Weir Controls 5.28 cfs @ 1.9 fps)Pond W2: WETLAND Inflow Primary Hydrograph Time (hours)72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Flow (cfs)6 5 4 3 2 1 0 Inflow Area=2.110 ac Peak Elev=896.52'Storage=0.047 af 5.60 cfs 5.32 cfs Drainage Diagram for 1237 Pre-Development Snowmelt Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcat Reach Pond Link FT4.1 FT4.1 FT4.2 FT4.2 FT4.3 FT4.3 FT4.4 FT4.4 FT4.5 FT4.5 FT4.6 FT4.6 FT4.7 FT4.7 FT4.8 FT4.8 FT5.1 FT5.1 S1.1 S1.1 S2.1 S2.1 S2.2 S2.2 S3.1 S3.1 D TOTAL DISCHARGE D1 DISCHARGE 1 D2 DISCHARGE 2 D3 DISCHARGE 3 D4 FT DISCHARGE 4B POND B 4C POND C 4D POND D 4P Ag Urban Wet P2.1 DRIVE TO NORTH W1.1 WETLAND W2 WETLAND Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 2 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Time span=0.00-240.00 hrs, dt=0.20 hrs, 1201 points Runoff by SCS TR-20 method, UH=SCS Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=1.020 ac Runoff Depth>6.96"Subcatchment FT4.1: FT4.1 Flow Length=200' Tc=19.6 min Adjusted CN=98 Runoff=0.48 cfs 0.592 af Runoff Area=0.700 ac Runoff Depth>6.96"Subcatchment FT4.2: FT4.2 Flow Length=230' Tc=8.5 min Adjusted CN=98 Runoff=0.33 cfs 0.406 af Runoff Area=1.390 ac Runoff Depth>6.96"Subcatchment FT4.3: FT4.3 Flow Length=200' Tc=7.2 min Adjusted CN=98 Runoff=0.66 cfs 0.806 af Runoff Area=7.500 ac Runoff Depth>6.96"Subcatchment FT4.4: FT4.4 Flow Length=530' Tc=14.4 min Adjusted CN=98 Runoff=3.54 cfs 4.350 af Runoff Area=0.860 ac Runoff Depth>6.96"Subcatchment FT4.5: FT4.5 Flow Length=220' Tc=16.7 min Adjusted CN=98 Runoff=0.40 cfs 0.499 af Runoff Area=7.350 ac Runoff Depth>6.96"Subcatchment FT4.6: FT4.6 Flow Length=340' Tc=10.9 min Adjusted CN=98 Runoff=3.48 cfs 4.263 af Runoff Area=3.440 ac Runoff Depth>6.96"Subcatchment FT4.7: FT4.7 Flow Length=380' Tc=15.4 min Adjusted CN=98 Runoff=1.62 cfs 1.995 af Runoff Area=3.790 ac Runoff Depth>6.96"Subcatchment FT4.8: FT4.8 Flow Length=550' Tc=16.5 min Adjusted CN=98 Runoff=1.78 cfs 2.198 af Runoff Area=8.250 ac Runoff Depth>6.96"Subcatchment FT5.1: FT5.1 Flow Length=980' Tc=20.3 min Adjusted CN=98 Runoff=3.85 cfs 4.786 af Runoff Area=8.440 ac Runoff Depth>6.96"Subcatchment S1.1: S1.1 Flow Length=800' Tc=24.5 min Adjusted CN=98 Runoff=3.91 cfs 4.896 af Runoff Area=3.800 ac Runoff Depth>6.96"Subcatchment S2.1: S2.1 Flow Length=450' Tc=18.2 min Adjusted CN=98 Runoff=1.78 cfs 2.204 af Runoff Area=3.090 ac Runoff Depth>6.96"Subcatchment S2.2: S2.2 Flow Length=620' Tc=32.8 min Adjusted CN=98 Runoff=1.41 cfs 1.792 af Runoff Area=1.420 ac Runoff Depth>6.96"Subcatchment S3.1: S3.1 Flow Length=360' Tc=21.4 min Adjusted CN=98 Runoff=0.66 cfs 0.824 af Inflow=8.98 cfs 29.220 af Reach D: TOTAL DISCHARGE Outflow=8.98 cfs 29.220 af Inflow=6.13 cfs 24.400 af Reach D1: DISCHARGE 1 Outflow=6.13 cfs 24.400 af Inflow=8.36 cfs 28.397 af Reach D2: DISCHARGE 2 Outflow=8.36 cfs 28.397 af Inflow=0.66 cfs 0.824 af Reach D3: DISCHARGE 3 Outflow=0.66 cfs 0.824 af Inflow=6.48 cfs 14.842 af Reach D4: FT DISCHARGE Outflow=6.48 cfs 14.842 af Peak Elev=906.24' Storage=0.018 af Inflow=1.78 cfs 2.198 af Pond 4B: POND B Outflow=1.77 cfs 2.198 af Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 3 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Peak Elev=898.47' Storage=0.182 af Inflow=3.94 cfs 4.849 af Pond 4C: POND C 18.0" x 35.0' Culvert Outflow=3.47 cfs 4.839 af Peak Elev=891.97' Storage=0.055 af Inflow=0.99 cfs 1.212 af Pond 4D: POND D 18.0" x 15.0' Culvert Outflow=0.91 cfs 1.208 af Peak Elev=898.40' Storage=2.003 af Inflow=10.26 cfs 13.296 af Pond 4P: Ag Urban Wet Outflow=5.49 cfs 13.042 af Peak Elev=883.64' Storage=0.034 af Inflow=7.01 cfs 26.604 af Pond P2.1: DRIVE TO NORTH Outflow=7.00 cfs 26.604 af Peak Elev=891.22' Storage=3.122 af Inflow=13.79 cfs 24.523 af Pond W1.1: WETLAND Outflow=6.13 cfs 24.400 af Peak Elev=896.30' Storage=0.019 af Inflow=1.41 cfs 1.792 af Pond W2: WETLAND Outflow=1.40 cfs 1.792 af Total Runoff Area = 51.050 ac Runoff Volume = 29.612 af Average Runoff Depth = 6.96" Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 4 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.1: FT4.1 [49] Hint: Tc<2dt may require smaller dt Runoff=0.48 cfs @ 121.51 hrs, Volume=0.592 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 1.020831/4 acre lots, 38% imp, HSG C 1.02083Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.5800.20000.4 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"16.11200.02500.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"19.6200Total Subcatchment FT4.1: FT4.1 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=1.020 ac Runoff Volume=0.592 af Runoff Depth>6.96"Flow Length=200'Tc=19.6 min Adjusted CN=98 0.48 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 5 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.2: FT4.2 [49] Hint: Tc<2dt may require smaller dt Runoff=0.33 cfs @ 121.36 hrs, Volume=0.406 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 0.700831/4 acre lots, 38% imp, HSG C 0.70083Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)7.3800.08000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"1.21500.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 8.5230Total Subcatchment FT4.2: FT4.2 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=0.700 ac Runoff Volume=0.406 af Runoff Depth>6.96"Flow Length=230'Tc=8.5 min Adjusted CN=98 0.33 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 6 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.3: FT4.3 [49] Hint: Tc<2dt may require smaller dt Runoff=0.66 cfs @ 121.34 hrs, Volume=0.806 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 1.390831/4 acre lots, 38% imp, HSG C 1.39083Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)6.0500.02000.1 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"1.21500.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 7.2200Total Subcatchment FT4.3: FT4.3 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=1.390 ac Runoff Volume=0.806 af Runoff Depth>6.96"Flow Length=200'Tc=7.2 min Adjusted CN=98 0.66 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 7 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.4: FT4.4 [49] Hint: Tc<2dt may require smaller dt Runoff=3.54 cfs @ 121.43 hrs, Volume=4.350 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 7.500831/4 acre lots, 38% imp, HSG C 7.50083Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)11.82000.06000.3 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.63300.02002.1 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 14.4530Total Subcatchment FT4.4: FT4.4 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)3 2 1 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=7.500 ac Runoff Volume=4.350 af Runoff Depth>6.96"Flow Length=530'Tc=14.4 min Adjusted CN=98 3.54 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 8 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.5: FT4.5 [49] Hint: Tc<2dt may require smaller dt Runoff=0.40 cfs @ 121.46 hrs, Volume=0.499 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 0.860831/4 acre lots, 38% imp, HSG C 0.86083Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)16.72000.02500.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"0.0200.20006.7 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 16.7220Total Subcatchment FT4.5: FT4.5 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)0.44 0.42 0.4 0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=0.860 ac Runoff Volume=0.499 af Runoff Depth>6.96"Flow Length=220'Tc=16.7 min Adjusted CN=98 0.40 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 9 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.6: FT4.6 [49] Hint: Tc<2dt may require smaller dt Runoff=3.48 cfs @ 121.39 hrs, Volume=4.263 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 7.350831/4 acre lots, 38% imp, HSG C 7.35083Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)8.8800.02000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.12600.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 10.9340Total Subcatchment FT4.6: FT4.6 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)3 2 1 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=7.350 ac Runoff Volume=4.263 af Runoff Depth>6.96"Flow Length=340'Tc=10.9 min Adjusted CN=98 3.48 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 10 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.7: FT4.7 [49] Hint: Tc<2dt may require smaller dt Runoff=1.62 cfs @ 121.45 hrs, Volume=1.995 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 3.440831/4 acre lots, 38% imp, HSG C 3.44083Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)13.31900.04000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.11900.01001.5 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 15.4380Total Subcatchment FT4.7: FT4.7 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)1 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=3.440 ac Runoff Volume=1.995 af Runoff Depth>6.96"Flow Length=380'Tc=15.4 min Adjusted CN=98 1.62 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 11 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.8: FT4.8 [49] Hint: Tc<2dt may require smaller dt Runoff=1.78 cfs @ 121.46 hrs, Volume=2.198 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 3.790831/4 acre lots, 38% imp, HSG C 3.79083Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)14.62000.03500.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"1.93500.04003.0 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 16.5550Total Subcatchment FT4.8: FT4.8 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)1 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=3.790 ac Runoff Volume=2.198 af Runoff Depth>6.96"Flow Length=550'Tc=16.5 min Adjusted CN=98 1.78 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 12 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT5.1: FT5.1 [49] Hint: Tc<2dt may require smaller dt Runoff=3.85 cfs @ 121.52 hrs, Volume=4.786 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 8.250801/4 acre lots, 38% imp, HSG C 8.25080Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)15.52000.03000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.64000.03002.6 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 2.23800.02002.9 Shallow Concentrated Flow, Paved Kv= 20.3 fps 20.3980Total Subcatchment FT5.1: FT5.1 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)4 3 2 1 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=8.250 ac Runoff Volume=4.786 af Runoff Depth>6.96"Flow Length=980'Tc=20.3 min Adjusted CN=98 3.85 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 13 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.1: S1.1 Runoff=3.91 cfs @ 121.59 hrs, Volume=4.896 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 4.04072Woods/grass comb., Good, HSG C 4.40079Woods/grass comb., Good, HSG D 8.44076Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)4.0600.20000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"13.81400.05000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"6.76000.01001.5 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 24.5800Total Subcatchment S1.1: S1.1 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)4 3 2 1 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=8.440 ac Runoff Volume=4.896 af Runoff Depth>6.96"Flow Length=800'Tc=24.5 min Adjusted CN=98 3.91 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 14 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.1: S2.1 [49] Hint: Tc<2dt may require smaller dt Runoff=1.78 cfs @ 121.49 hrs, Volume=2.204 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 2.40072Woods/grass comb., Good, HSG C 1.40079Woods/grass comb., Good, HSG D 3.80075Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)14.02000.10000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"4.22500.02001.0 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 18.2450Total Subcatchment S2.1: S2.1 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)1 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=3.800 ac Runoff Volume=2.204 af Runoff Depth>6.96"Flow Length=450'Tc=18.2 min Adjusted CN=98 1.78 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 15 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.2: S2.2 Runoff=1.41 cfs @ 121.70 hrs, Volume=1.792 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 2.29072Woods/grass comb., Good, HSG C 0.80079Woods/grass comb., Good, HSG D 3.09074Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)29.82000.01500.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"3.04200.02502.4 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 32.8620Total Subcatchment S2.2: S2.2 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)1 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=3.090 ac Runoff Volume=1.792 af Runoff Depth>6.96"Flow Length=620'Tc=32.8 min Adjusted CN=98 1.41 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 16 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S3.1: S3.1 [49] Hint: Tc<2dt may require smaller dt Runoff=0.66 cfs @ 121.54 hrs, Volume=0.824 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 1.02072Woods/grass comb., Good, HSG C 0.40079Woods/grass comb., Good, HSG D 1.42074Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.7600.25000.3 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"13.31400.05500.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"4.41600.01500.6 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 21.4360Total Subcatchment S3.1: S3.1 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=1.420 ac Runoff Volume=0.824 af Runoff Depth>6.96"Flow Length=360'Tc=21.4 min Adjusted CN=98 0.66 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 17 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D: TOTAL DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =51.050 ac, Inflow Depth > 6.87" for Snowmelt event Inflow=8.98 cfs @ 121.90 hrs, Volume=29.220 af Outflow=8.98 cfs @ 121.90 hrs, Volume=29.220 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Reach D: TOTAL DISCHARGE Inflow Outflow Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)10 9 8 7 6 5 4 3 2 1 0 Inflow Area=51.050 ac 8.98 cfs 8.98 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 18 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D1: DISCHARGE 1 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =42.740 ac, Inflow Depth > 6.85" for Snowmelt event Inflow=6.13 cfs @ 126.59 hrs, Volume=24.400 af Outflow=6.13 cfs @ 126.59 hrs, Volume=24.400 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Reach D1: DISCHARGE 1 Inflow Outflow Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)6 5 4 3 2 1 0 Inflow Area=42.740 ac 6.13 cfs 6.13 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 19 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D2: DISCHARGE 2 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =49.630 ac, Inflow Depth > 6.87" for Snowmelt event Inflow=8.36 cfs @ 121.99 hrs, Volume=28.397 af Outflow=8.36 cfs @ 121.99 hrs, Volume=28.397 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Reach D2: DISCHARGE 2 Inflow Outflow Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)9 8 7 6 5 4 3 2 1 0 Inflow Area=49.630 ac 8.36 cfs 8.36 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 20 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D3: DISCHARGE 3 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =1.420 ac, Inflow Depth > 6.96" for Snowmelt event Inflow=0.66 cfs @ 121.54 hrs, Volume=0.824 af Outflow=0.66 cfs @ 121.54 hrs, Volume=0.824 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Reach D3: DISCHARGE 3 Inflow Outflow Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Inflow Area=1.420 ac 0.66 cfs 0.66 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 21 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D4: FT DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =26.050 ac, Inflow Depth > 6.84" for Snowmelt event Inflow=6.48 cfs @ 122.58 hrs, Volume=14.842 af Outflow=6.48 cfs @ 122.58 hrs, Volume=14.842 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Reach D4: FT DISCHARGE Inflow Outflow Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)7 6 5 4 3 2 1 0 Inflow Area=26.050 ac 6.48 cfs 6.48 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 22 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4B: POND B Inflow Area =3.790 ac, Inflow Depth > 6.96" for Snowmelt event Inflow=1.78 cfs @ 121.46 hrs, Volume=2.198 af Outflow=1.77 cfs @ 121.57 hrs, Volume=2.198 af, Atten= 1%, Lag= 6.4 min Primary=1.77 cfs @ 121.57 hrs, Volume=2.198 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 906.24' @ 121.57 hrs Surf.Area= 0.035 ac Storage= 0.018 af Plug-Flow detention time= 19.2 min calculated for 2.198 af (100% of inflow)Center-of-Mass det. time= 18.2 min ( 7,437.9 - 7,419.7 )VolumeInvertAvail.StorageStorage Description #1905.59'0.315 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)905.590.020108.00.0000.0000.020 906.000.030121.00.0100.0100.026 908.000.080218.00.1060.1160.086 910.000.120320.00.1990.3150.187 DeviceRoutingInvertOutlet Devices #1Device 2905.59'15.0" x 140.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 903.51' S= 0.0149 '/' Cc= 0.900 n= 0.012 #2Primary897.99'15.0" x 40.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 897.66' S= 0.0083 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=1.76 cfs @ 121.57 hrs HW=906.24' TW=898.14' (Dynamic Tailwater)2=Culvert (Passes 1.76 cfs of 16.31 cfs potential flow)1=Culvert (Inlet Controls 1.76 cfs @ 2.7 fps)Pond 4B: POND B Inflow Primary Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)1 0 Inflow Area=3.790 ac Peak Elev=906.24'Storage=0.018 af 1.78 cfs 1.77 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 23 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4C: POND C Inflow Area =8.360 ac, Inflow Depth > 6.96" for Snowmelt event Inflow=3.94 cfs @ 121.44 hrs, Volume=4.849 af Outflow=3.47 cfs @ 121.59 hrs, Volume=4.839 af, Atten= 12%, Lag= 9.2 min Primary=3.47 cfs @ 121.59 hrs, Volume=4.839 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 898.47' @ 123.03 hrs Surf.Area= 0.151 ac Storage= 0.182 af Plug-Flow detention time= 98.2 min calculated for 4.839 af (100% of inflow)Center-of-Mass det. time= 84.3 min ( 7,502.2 - 7,418.0 )VolumeInvertAvail.StorageStorage Description #1897.09'0.919 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)897.090.110332.00.0000.0000.110 898.000.140352.00.1130.1130.136 900.000.190408.00.3290.4420.216 902.000.290566.00.4760.9190.498 DeviceRoutingInvertOutlet Devices #1Primary897.09'18.0" x 35.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 896.97' S= 0.0034 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=3.00 cfs @ 121.59 hrs HW=898.34' TW=898.14' (Dynamic Tailwater)1=Culvert (Outlet Controls 3.00 cfs @ 2.6 fps)Pond 4C: POND C Inflow Primary Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)4 3 2 1 0 Inflow Area=8.360 ac Peak Elev=898.47'Storage=0.182 af 18.0" x 35.0' Culvert 3.94 cfs 3.47 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 24 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4D: POND D Inflow Area =2.090 ac, Inflow Depth > 6.96" for Snowmelt event Inflow=0.99 cfs @ 121.35 hrs, Volume=1.212 af Outflow=0.91 cfs @ 121.70 hrs, Volume=1.208 af, Atten= 8%, Lag= 20.8 min Primary=0.91 cfs @ 121.70 hrs, Volume=1.208 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 891.97' @ 121.70 hrs Surf.Area= 0.119 ac Storage= 0.055 af Plug-Flow detention time= 132.2 min calculated for 1.208 af (100% of inflow)Center-of-Mass det. time= 108.3 min ( 7,519.8 - 7,411.5 )VolumeInvertAvail.StorageStorage Description #1891.47'0.338 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)891.470.100364.00.0000.0000.100 892.000.120377.00.0580.0580.118 893.000.140397.00.1300.1880.148 894.000.160420.00.1500.3380.183 DeviceRoutingInvertOutlet Devices #1Primary891.47'18.0" x 15.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 891.38' S= 0.0060 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=0.91 cfs @ 121.70 hrs HW=891.97' TW=0.00' (Dynamic Tailwater)1=Culvert (Barrel Controls 0.91 cfs @ 2.6 fps)Pond 4D: POND D Inflow Primary Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)1 0 Inflow Area=2.090 ac Peak Elev=891.97'Storage=0.055 af 18.0" x 15.0' Culvert 0.99 cfs 0.91 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 25 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4P: Ag Urban Wet Inflow Area =22.940 ac, Inflow Depth > 6.96" for Snowmelt event Inflow=10.26 cfs @ 121.48 hrs, Volume=13.296 af Outflow=5.49 cfs @ 123.26 hrs, Volume=13.042 af, Atten= 46%, Lag= 106.9 min Primary=5.49 cfs @ 123.26 hrs, Volume=13.042 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 898.40' @ 123.26 hrs Surf.Area= 1.490 ac Storage= 2.003 af Plug-Flow detention time= 474.2 min calculated for 13.042 af (98% of inflow)Center-of-Mass det. time= 349.0 min ( 7,799.9 - 7,450.9 )VolumeInvertAvail.StorageStorage Description #1896.91'9.353 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)896.911.270908.00.0000.0001.270 898.001.360933.01.4331.4331.357 900.002.0701,232.03.4054.8382.541 902.002.4501,328.04.5159.3532.994 DeviceRoutingInvertOutlet Devices #1Device 2896.91'15.0" x 47.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 896.21' S= 0.0149 '/' Cc= 0.900 n= 0.012 #2Device 3896.21'21.0" x 228.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 895.91' S= 0.0013 '/' Cc= 0.900 n= 0.012 #3Primary892.56'18.0" x 70.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 889.50' S= 0.0437 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=5.49 cfs @ 123.26 hrs HW=898.40' TW=0.00' (Dynamic Tailwater)3=Culvert (Passes 5.49 cfs of 19.19 cfs potential flow)2=Culvert (Passes 5.49 cfs of 8.80 cfs potential flow)1=Culvert (Inlet Controls 5.49 cfs @ 4.5 fps) Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 26 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4P: Ag Urban Wet Inflow Primary Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=22.940 ac Peak Elev=898.40'Storage=2.003 af 10.26 cfs 5.49 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 27 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P2.1: DRIVE TO NORTH Inflow Area =46.540 ac, Inflow Depth > 6.86" for Snowmelt event Inflow=7.01 cfs @ 122.03 hrs, Volume=26.604 af Outflow=7.00 cfs @ 122.29 hrs, Volume=26.604 af, Atten= 0%, Lag= 15.8 min Primary=7.00 cfs @ 122.29 hrs, Volume=26.604 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 883.64' @ 122.29 hrs Surf.Area= 0.056 ac Storage= 0.034 af Plug-Flow detention time= 1.3 min calculated for 26.604 af (100% of inflow)Center-of-Mass det. time= 1.3 min ( 7,792.6 - 7,791.3 )VolumeInvertAvail.StorageStorage Description #1881.80'0.271 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)881.800.0000.00.0000.0000.000 884.000.080274.00.0590.0590.137 885.000.170343.00.1220.1810.215 885.500.190410.00.0900.2710.308 DeviceRoutingInvertOutlet Devices #1Primary881.80'18.0" x 66.0' long Culvert CMP, projecting, no headwall, Ke= 0.900 Outlet Invert= 879.40' S= 0.0364 '/' Cc= 0.900 n= 0.024 #2Primary885.00'Custom Weir/Orifice, C= 2.62 Head (feet) 0.00 0.50 Width (feet) 10.00 50.00 Primary OutFlow Max=7.00 cfs @ 122.29 hrs HW=883.64' TW=0.00' (Dynamic Tailwater)1=Culvert (Inlet Controls 7.00 cfs @ 4.0 fps)2=Custom Weir/Orifice ( Controls 0.00 cfs)Pond P2.1: DRIVE TO NORTH Inflow Primary Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)7 6 5 4 3 2 1 0 Inflow Area=46.540 ac Peak Elev=883.64'Storage=0.034 af 7.01 cfs 7.00 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 28 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W1.1: WETLAND Inflow Area =42.740 ac, Inflow Depth > 6.89" for Snowmelt event Inflow=13.79 cfs @ 121.66 hrs, Volume=24.523 af Outflow=6.13 cfs @ 126.59 hrs, Volume=24.400 af, Atten= 56%, Lag= 295.8 min Primary=6.13 cfs @ 126.59 hrs, Volume=24.400 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 891.22' @ 126.59 hrs Surf.Area= 2.453 ac Storage= 3.122 af Plug-Flow detention time= 228.9 min calculated for 24.400 af (99% of inflow)Center-of-Mass det. time= 195.7 min ( 7,824.8 - 7,629.0 )VolumeInvertAvail.StorageStorage Description #1888.11'5.520 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)888.110.290806.00.0000.0000.290 890.000.9502,211.01.1121.1128.034 892.003.7702,575.04.4085.52011.219 DeviceRoutingInvertOutlet Devices #1Primary888.10'12.0" x 20.0' long Culvert CMP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 888.08' S= 0.0010 '/' Cc= 0.900 n= 0.012 #2Primary891.23'Custom Weir/Orifice, C= 2.62 Head (feet) 0.00 0.50 Width (feet) 0.00 20.00 Primary OutFlow Max=6.13 cfs @ 126.59 hrs HW=891.22' TW=0.00' (Dynamic Tailwater)1=Culvert (Inlet Controls 6.13 cfs @ 7.8 fps)2=Custom Weir/Orifice ( Controls 0.00 cfs)Pond W1.1: WETLAND Inflow Primary Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=42.740 ac Peak Elev=891.22'Storage=3.122 af 13.79 cfs 6.13 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 29 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W2: WETLAND Inflow Area =3.090 ac, Inflow Depth > 6.96" for Snowmelt event Inflow=1.41 cfs @ 121.70 hrs, Volume=1.792 af Outflow=1.40 cfs @ 121.82 hrs, Volume=1.792 af, Atten= 1%, Lag= 7.4 min Primary=1.40 cfs @ 121.82 hrs, Volume=1.792 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 896.30' @ 121.82 hrs Surf.Area= 0.113 ac Storage= 0.019 af Plug-Flow detention time= 20.9 min calculated for 1.792 af (100% of inflow)Center-of-Mass det. time= 20.3 min ( 7,455.1 - 7,434.8 )VolumeInvertAvail.StorageStorage Description #1896.11'0.151 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)896.110.080222.00.0000.0000.080 897.000.280420.00.1510.1510.312 DeviceRoutingInvertOutlet Devices #1Primary896.11'Custom Weir/Orifice, C= 2.62 Head (feet) 0.00 1.89 Width (feet) 4.00 30.00 Primary OutFlow Max=1.40 cfs @ 121.82 hrs HW=896.30' TW=0.00' (Dynamic Tailwater)1=Custom Weir/Orifice (Weir Controls 1.40 cfs @ 1.4 fps)Pond W2: WETLAND Inflow Primary Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)1 0 Inflow Area=3.090 ac Peak Elev=896.30'Storage=0.019 af 1.41 cfs 1.40 cfs Drainage Diagram for 1237 Post-Development Snowmelt Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcat Reach Pond Link FT4.1 FT4.1 FT4.2 FT4.2 FT4.3 FT4.3 FT4.4 FT4.4 FT4.5 FT4.5 FT4.6 FT4.6 FT4.7 FT4.7 FT4.8 FT4.8 FT5.1 FT5.1 S1.1 S1.1 S1.1A PRESERVATION S1.2 S1.2 S1.3 S1.3 S1.4 S1.4 S1.5 S1.5 S2.1 S2.1 S2.2 S2.2 S2.3 S2.3 S2.4 S2.4 S2.5 S2.5 S3.1 S3.1 D TOTAL DISCHARGE D1 DISCHARGE 1 D2 DISCHARGE 2 D3 DISCHARGE 3 D4 FT DISCHARGE 4B POND B 4C POND C 4D POND D 4P Ag Urban Wet P1 WEST POND P2.1 DRIVE TO NORTH P2.2 EAST POND W1.1 WETLAND W1.2 WETLAND W2 WETLAND Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 2 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Time span=0.00-240.00 hrs, dt=0.20 hrs, 1201 points Runoff by SCS TR-20 method, UH=SCS Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=1.020 ac Runoff Depth>6.96"Subcatchment FT4.1: FT4.1 Flow Length=200' Tc=19.6 min Adjusted CN=98 Runoff=0.48 cfs 0.592 af Runoff Area=0.700 ac Runoff Depth>6.96"Subcatchment FT4.2: FT4.2 Flow Length=230' Tc=8.5 min Adjusted CN=98 Runoff=0.33 cfs 0.406 af Runoff Area=1.390 ac Runoff Depth>6.96"Subcatchment FT4.3: FT4.3 Flow Length=200' Tc=7.2 min Adjusted CN=98 Runoff=0.66 cfs 0.806 af Runoff Area=7.500 ac Runoff Depth>6.96"Subcatchment FT4.4: FT4.4 Flow Length=530' Tc=14.4 min Adjusted CN=98 Runoff=3.54 cfs 4.350 af Runoff Area=0.860 ac Runoff Depth>6.96"Subcatchment FT4.5: FT4.5 Flow Length=220' Tc=16.7 min Adjusted CN=98 Runoff=0.40 cfs 0.499 af Runoff Area=7.350 ac Runoff Depth>6.96"Subcatchment FT4.6: FT4.6 Flow Length=340' Tc=10.9 min Adjusted CN=98 Runoff=3.48 cfs 4.263 af Runoff Area=3.440 ac Runoff Depth>6.96"Subcatchment FT4.7: FT4.7 Flow Length=380' Tc=15.4 min Adjusted CN=98 Runoff=1.62 cfs 1.995 af Runoff Area=3.790 ac Runoff Depth>6.96"Subcatchment FT4.8: FT4.8 Flow Length=550' Tc=16.5 min Adjusted CN=98 Runoff=1.78 cfs 2.198 af Runoff Area=8.250 ac Runoff Depth>6.96"Subcatchment FT5.1: FT5.1 Flow Length=980' Tc=20.3 min Adjusted CN=98 Runoff=3.85 cfs 4.786 af Runoff Area=3.990 ac Runoff Depth>6.96"Subcatchment S1.1: S1.1 Flow Length=340' Tc=16.7 min Adjusted CN=98 Runoff=1.87 cfs 2.314 af Runoff Area=0.350 ac Runoff Depth>6.96"Subcatchment S1.1A: PRESERVATION Flow Length=50' Tc=17.4 min Adjusted CN=98 Runoff=0.16 cfs 0.203 af Runoff Area=0.240 ac Runoff Depth>6.96"Subcatchment S1.2: S1.2 Flow Length=510' Tc=6.3 min Adjusted CN=98 Runoff=0.11 cfs 0.139 af Runoff Area=0.900 ac Runoff Depth>6.96"Subcatchment S1.3: S1.3 Flow Length=280' Tc=10.3 min Adjusted CN=98 Runoff=0.43 cfs 0.522 af Runoff Area=0.740 ac Runoff Depth>6.96"Subcatchment S1.4: S1.4 Flow Length=220' Tc=14.0 min Adjusted CN=98 Runoff=0.35 cfs 0.429 af Runoff Area=0.730 ac Runoff Depth>6.96"Subcatchment S1.5: S1.5 Flow Length=230' Tc=23.2 min Adjusted CN=98 Runoff=0.34 cfs 0.423 af Runoff Area=2.390 ac Runoff Depth>6.96"Subcatchment S2.1: S2.1 Flow Length=400' Tc=23.8 min Adjusted CN=98 Runoff=1.11 cfs 1.386 af Runoff Area=0.730 ac Runoff Depth>6.96"Subcatchment S2.2: S2.2 Flow Length=130' Tc=7.9 min Adjusted CN=98 Runoff=0.35 cfs 0.423 af Runoff Area=2.110 ac Runoff Depth>6.96"Subcatchment S2.3: S2.3 Flow Length=620' Tc=36.1 min Adjusted CN=98 Runoff=0.96 cfs 1.224 af Runoff Area=0.780 ac Runoff Depth>6.96"Subcatchment S2.4: S2.4 Flow Length=310' Tc=15.1 min Adjusted CN=98 Runoff=0.37 cfs 0.452 af Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 3 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Runoff Area=2.500 ac Runoff Depth>6.96"Subcatchment S2.5: S2.5 Flow Length=270' Tc=16.0 min Adjusted CN=98 Runoff=1.18 cfs 1.450 af Runoff Area=1.290 ac Runoff Depth>6.96"Subcatchment S3.1: S3.1 Flow Length=360' Tc=20.1 min Adjusted CN=98 Runoff=0.60 cfs 0.748 af Inflow=9.30 cfs 29.192 af Reach D: TOTAL DISCHARGE Outflow=9.30 cfs 29.192 af Inflow=6.15 cfs 23.540 af Reach D1: DISCHARGE 1 Outflow=6.15 cfs 23.540 af Inflow=8.83 cfs 28.444 af Reach D2: DISCHARGE 2 Outflow=8.83 cfs 28.444 af Inflow=0.60 cfs 0.748 af Reach D3: DISCHARGE 3 Outflow=0.60 cfs 0.748 af Inflow=6.48 cfs 14.842 af Reach D4: FT DISCHARGE Outflow=6.48 cfs 14.842 af Peak Elev=906.24' Storage=0.018 af Inflow=1.78 cfs 2.198 af Pond 4B: POND B Outflow=1.77 cfs 2.198 af Peak Elev=898.47' Storage=0.182 af Inflow=3.94 cfs 4.849 af Pond 4C: POND C 18.0" x 35.0' Culvert Outflow=3.47 cfs 4.839 af Peak Elev=891.97' Storage=0.055 af Inflow=0.99 cfs 1.212 af Pond 4D: POND D 18.0" x 15.0' Culvert Outflow=0.91 cfs 1.208 af Peak Elev=898.40' Storage=2.003 af Inflow=10.26 cfs 13.296 af Pond 4P: Ag Urban Wet Outflow=5.49 cfs 13.042 af Peak Elev=892.50' Storage=0.053 af Inflow=0.78 cfs 0.951 af Pond P1: WEST POND Outflow=0.68 cfs 0.947 af Peak Elev=883.50' Storage=0.027 af Inflow=6.57 cfs 24.926 af Pond P2.1: DRIVE TO NORTH Outflow=6.56 cfs 24.926 af Peak Elev=894.91' Storage=0.297 af Inflow=2.76 cfs 3.550 af Pond P2.2: EAST POND 15.0" x 20.0' Culvert Outflow=2.29 cfs 3.518 af Peak Elev=891.25' Storage=2.336 af Inflow=11.53 cfs 23.654 af Pond W1.1: WETLAND Outflow=6.15 cfs 23.540 af Peak Elev=891.29' Storage=0.431 af Inflow=7.40 cfs 16.212 af Pond W1.2: WETLAND 30.0" x 110.0' Culvert Outflow=6.15 cfs 16.212 af Peak Elev=896.26' Storage=0.014 af Inflow=0.96 cfs 1.224 af Pond W2: WETLAND Outflow=0.95 cfs 1.224 af Total Runoff Area = 51.050 ac Runoff Volume = 29.612 af Average Runoff Depth = 6.96" Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 4 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.1: FT4.1 [49] Hint: Tc<2dt may require smaller dt Runoff=0.48 cfs @ 121.51 hrs, Volume=0.592 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 1.020831/4 acre lots, 38% imp, HSG C 1.02083Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.5800.20000.4 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"16.11200.02500.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"19.6200Total Subcatchment FT4.1: FT4.1 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=1.020 ac Runoff Volume=0.592 af Runoff Depth>6.96"Flow Length=200'Tc=19.6 min Adjusted CN=98 0.48 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 5 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.2: FT4.2 [49] Hint: Tc<2dt may require smaller dt Runoff=0.33 cfs @ 121.36 hrs, Volume=0.406 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 0.700831/4 acre lots, 38% imp, HSG C 0.70083Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)7.3800.08000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"1.21500.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 8.5230Total Subcatchment FT4.2: FT4.2 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=0.700 ac Runoff Volume=0.406 af Runoff Depth>6.96"Flow Length=230'Tc=8.5 min Adjusted CN=98 0.33 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 6 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.3: FT4.3 [49] Hint: Tc<2dt may require smaller dt Runoff=0.66 cfs @ 121.34 hrs, Volume=0.806 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 1.390831/4 acre lots, 38% imp, HSG C 1.39083Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)6.0500.02000.1 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"1.21500.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 7.2200Total Subcatchment FT4.3: FT4.3 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=1.390 ac Runoff Volume=0.806 af Runoff Depth>6.96"Flow Length=200'Tc=7.2 min Adjusted CN=98 0.66 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 7 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.4: FT4.4 [49] Hint: Tc<2dt may require smaller dt Runoff=3.54 cfs @ 121.43 hrs, Volume=4.350 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 7.500831/4 acre lots, 38% imp, HSG C 7.50083Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)11.82000.06000.3 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.63300.02002.1 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 14.4530Total Subcatchment FT4.4: FT4.4 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)3 2 1 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=7.500 ac Runoff Volume=4.350 af Runoff Depth>6.96"Flow Length=530'Tc=14.4 min Adjusted CN=98 3.54 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 8 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.5: FT4.5 [49] Hint: Tc<2dt may require smaller dt Runoff=0.40 cfs @ 121.46 hrs, Volume=0.499 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 0.860831/4 acre lots, 38% imp, HSG C 0.86083Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)16.72000.02500.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"0.0200.20006.7 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 16.7220Total Subcatchment FT4.5: FT4.5 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)0.44 0.42 0.4 0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=0.860 ac Runoff Volume=0.499 af Runoff Depth>6.96"Flow Length=220'Tc=16.7 min Adjusted CN=98 0.40 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 9 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.6: FT4.6 [49] Hint: Tc<2dt may require smaller dt Runoff=3.48 cfs @ 121.39 hrs, Volume=4.263 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 7.350831/4 acre lots, 38% imp, HSG C 7.35083Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)8.8800.02000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.12600.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 10.9340Total Subcatchment FT4.6: FT4.6 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)3 2 1 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=7.350 ac Runoff Volume=4.263 af Runoff Depth>6.96"Flow Length=340'Tc=10.9 min Adjusted CN=98 3.48 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 10 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.7: FT4.7 [49] Hint: Tc<2dt may require smaller dt Runoff=1.62 cfs @ 121.45 hrs, Volume=1.995 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 3.440831/4 acre lots, 38% imp, HSG C 3.44083Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)13.31900.04000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.11900.01001.5 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 15.4380Total Subcatchment FT4.7: FT4.7 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)1 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=3.440 ac Runoff Volume=1.995 af Runoff Depth>6.96"Flow Length=380'Tc=15.4 min Adjusted CN=98 1.62 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 11 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.8: FT4.8 [49] Hint: Tc<2dt may require smaller dt Runoff=1.78 cfs @ 121.46 hrs, Volume=2.198 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 3.790831/4 acre lots, 38% imp, HSG C 3.79083Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)14.62000.03500.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"1.93500.04003.0 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 16.5550Total Subcatchment FT4.8: FT4.8 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)1 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=3.790 ac Runoff Volume=2.198 af Runoff Depth>6.96"Flow Length=550'Tc=16.5 min Adjusted CN=98 1.78 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 12 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT5.1: FT5.1 [49] Hint: Tc<2dt may require smaller dt Runoff=3.85 cfs @ 121.52 hrs, Volume=4.786 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 8.250801/2 acre lots, 25% imp, HSG C 8.25080Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)15.52000.03000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"2.64000.03002.6 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 2.23800.02002.9 Shallow Concentrated Flow, Paved Kv= 20.3 fps 20.3980Total Subcatchment FT5.1: FT5.1 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)4 3 2 1 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=8.250 ac Runoff Volume=4.786 af Runoff Depth>6.96"Flow Length=980'Tc=20.3 min Adjusted CN=98 3.85 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 13 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.1: S1.1 [49] Hint: Tc<2dt may require smaller dt Runoff=1.87 cfs @ 121.46 hrs, Volume=2.314 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 1.33074>75% Grass cover, Good, HSG C 0.32098Paved parking & roofs 2.34079Woods/grass comb., Good, HSG D 3.99079Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)14.82000.06000.2 Sheet Flow, n= 0.200 P2= 2.80"1.91400.03001.2 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 16.7340Total Subcatchment S1.1: S1.1 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)2 1 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=3.990 ac Runoff Volume=2.314 af Runoff Depth>6.96"Flow Length=340'Tc=16.7 min Adjusted CN=98 1.87 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 14 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.1A: PRESERVATION [49] Hint: Tc<2dt may require smaller dt Runoff=0.16 cfs @ 121.47 hrs, Volume=0.203 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 0.35055Woods, Good, HSG B 0.35055Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)17.4500.04000.0 Sheet Flow, Woods: Dense underbrush n= 0.800 P2= 2.80"Subcatchment S1.1A: PRESERVATION Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)0.18 0.17 0.16 0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=0.350 ac Runoff Volume=0.203 af Runoff Depth>6.96"Flow Length=50'Tc=17.4 min Adjusted CN=98 0.16 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 15 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.2: S1.2 [49] Hint: Tc<2dt may require smaller dt Runoff=0.11 cfs @ 121.32 hrs, Volume=0.139 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 0.11074>75% Grass cover, Good, HSG C 0.13098Paved parking & roofs 0.24087Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)1.7100.02000.1 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"1.31000.02001.3 Sheet Flow, Smooth surfaces n= 0.011 P2= 2.80"3.34000.01002.0 Shallow Concentrated Flow, Paved Kv= 20.3 fps 6.3510Total Subcatchment S1.2: S1.2 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)0.125 0.12 0.115 0.11 0.105 0.1 0.095 0.09 0.085 0.08 0.075 0.07 0.065 0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=0.240 ac Runoff Volume=0.139 af Runoff Depth>6.96"Flow Length=510'Tc=6.3 min Adjusted CN=98 0.11 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 16 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.3: S1.3 [49] Hint: Tc<2dt may require smaller dt Runoff=0.43 cfs @ 121.39 hrs, Volume=0.522 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 0.55074>75% Grass cover, Good, HSG C 0.35098Paved parking & roofs 0.90083Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)6.2800.12000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"3.0300.04000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"1.11700.01502.5 Shallow Concentrated Flow, Paved Kv= 20.3 fps 10.3280Total Subcatchment S1.3: S1.3 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)0.46 0.44 0.42 0.4 0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=0.900 ac Runoff Volume=0.522 af Runoff Depth>6.96"Flow Length=280'Tc=10.3 min Adjusted CN=98 0.43 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 17 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.4: S1.4 [49] Hint: Tc<2dt may require smaller dt Runoff=0.35 cfs @ 121.43 hrs, Volume=0.429 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 0.64074>75% Grass cover, Good, HSG C 0.10098Paved parking & roofs 0.74077Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)14.02000.10000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"0.0200.33008.6 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 14.0220Total Subcatchment S1.4: S1.4 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=0.740 ac Runoff Volume=0.429 af Runoff Depth>6.96"Flow Length=220'Tc=14.0 min Adjusted CN=98 0.35 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 18 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.5: S1.5 [49] Hint: Tc<2dt may require smaller dt Runoff=0.34 cfs @ 121.57 hrs, Volume=0.423 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 0.73079Woods/grass comb., Good, HSG D 0.73079Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)4.2700.25000.3 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"18.81300.02000.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"0.2300.02002.1 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 23.2230Total Subcatchment S1.5: S1.5 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=0.730 ac Runoff Volume=0.423 af Runoff Depth>6.96"Flow Length=230'Tc=23.2 min Adjusted CN=98 0.34 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 19 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.1: S2.1 [49] Hint: Tc<2dt may require smaller dt Runoff=1.11 cfs @ 121.58 hrs, Volume=1.386 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 1.17074>75% Grass cover, Good, HSG C 0.14098Paved parking & roofs 1.08079Woods/grass comb., Good, HSG D 2.39078Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.9800.15000.3 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"17.71200.02000.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"2.22000.01001.5 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 23.8400Total Subcatchment S2.1: S2.1 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)1 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=2.390 ac Runoff Volume=1.386 af Runoff Depth>6.96"Flow Length=400'Tc=23.8 min Adjusted CN=98 1.11 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 20 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.2: S2.2 [49] Hint: Tc<2dt may require smaller dt Runoff=0.35 cfs @ 121.35 hrs, Volume=0.423 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 0.25074>75% Grass cover, Good, HSG C 0.38098Paved parking & roofs 0.10079Woods/grass comb., Good, HSG D 0.73087Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)7.91300.12000.3 Sheet Flow, n= 0.200 P2= 2.80"Subcatchment S2.2: S2.2 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=0.730 ac Runoff Volume=0.423 af Runoff Depth>6.96"Flow Length=130'Tc=7.9 min Adjusted CN=98 0.35 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 21 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.3: S2.3 Runoff=0.96 cfs @ 121.75 hrs, Volume=1.224 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 1.22074>75% Grass cover, Good, HSG C 0.05098Paved parking & roofs 0.84079Woods/grass comb., Good, HSG D 2.11077Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)29.82000.01500.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"6.34200.02501.1 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 36.1620Total Subcatchment S2.3: S2.3 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)1 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=2.110 ac Runoff Volume=1.224 af Runoff Depth>6.96"Flow Length=620'Tc=36.1 min Adjusted CN=98 0.96 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 22 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.4: S2.4 [49] Hint: Tc<2dt may require smaller dt Runoff=0.37 cfs @ 121.44 hrs, Volume=0.452 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 0.67074>75% Grass cover, Good, HSG C 0.11098Paved parking & roofs 0.78077Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.2500.25000.3 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"11.01500.04000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"0.91100.02002.1 Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps 15.1310Total Subcatchment S2.4: S2.4 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)0.4 0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=0.780 ac Runoff Volume=0.452 af Runoff Depth>6.96"Flow Length=310'Tc=15.1 min Adjusted CN=98 0.37 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 23 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.5: S2.5 [49] Hint: Tc<2dt may require smaller dt Runoff=1.18 cfs @ 121.45 hrs, Volume=1.450 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 1.33074>75% Grass cover, Good, HSG C 1.17098Paved parking & roofs 2.50085Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)4.2700.25000.3 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"11.31100.02000.2 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"0.5900.02002.9 Shallow Concentrated Flow, Paved Kv= 20.3 fps 16.0270Total Subcatchment S2.5: S2.5 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)1 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=2.500 ac Runoff Volume=1.450 af Runoff Depth>6.96"Flow Length=270'Tc=16.0 min Adjusted CN=98 1.18 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 24 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S3.1: S3.1 [49] Hint: Tc<2dt may require smaller dt Runoff=0.60 cfs @ 121.52 hrs, Volume=0.748 af, Depth>6.96"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 Area (ac)CNDescription 0.77079Woods/grass comb., Good, HSG D 0.52074>75% Grass cover, Good, HSG C 1.29077Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.7600.25000.3 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"13.31400.05500.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"3.11600.01500.9 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 20.1360Total Subcatchment S3.1: S3.1 Runoff Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=1.290 ac Runoff Volume=0.748 af Runoff Depth>6.96"Flow Length=360'Tc=20.1 min Adjusted CN=98 0.60 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 25 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D: TOTAL DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =51.050 ac, Inflow Depth > 6.86" for Snowmelt event Inflow=9.30 cfs @ 122.35 hrs, Volume=29.192 af Outflow=9.30 cfs @ 122.35 hrs, Volume=29.192 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Reach D: TOTAL DISCHARGE Inflow Outflow Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)10 9 8 7 6 5 4 3 2 1 0 Inflow Area=51.050 ac 9.30 cfs 9.30 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 26 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D1: DISCHARGE 1 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =41.250 ac, Inflow Depth > 6.85" for Snowmelt event Inflow=6.15 cfs @ 126.43 hrs, Volume=23.540 af Outflow=6.15 cfs @ 126.43 hrs, Volume=23.540 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Reach D1: DISCHARGE 1 Inflow Outflow Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)6 5 4 3 2 1 0 Inflow Area=41.250 ac 6.15 cfs 6.15 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 27 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D2: DISCHARGE 2 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =49.760 ac, Inflow Depth > 6.86" for Snowmelt event Inflow=8.83 cfs @ 122.51 hrs, Volume=28.444 af Outflow=8.83 cfs @ 122.51 hrs, Volume=28.444 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Reach D2: DISCHARGE 2 Inflow Outflow Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)9 8 7 6 5 4 3 2 1 0 Inflow Area=49.760 ac 8.83 cfs 8.83 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 28 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D3: DISCHARGE 3 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =1.290 ac, Inflow Depth > 6.96" for Snowmelt event Inflow=0.60 cfs @ 121.52 hrs, Volume=0.748 af Outflow=0.60 cfs @ 121.52 hrs, Volume=0.748 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Reach D3: DISCHARGE 3 Inflow Outflow Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Inflow Area=1.290 ac 0.60 cfs 0.60 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 29 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D4: FT DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =26.050 ac, Inflow Depth > 6.84" for Snowmelt event Inflow=6.48 cfs @ 122.58 hrs, Volume=14.842 af Outflow=6.48 cfs @ 122.58 hrs, Volume=14.842 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Reach D4: FT DISCHARGE Inflow Outflow Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)7 6 5 4 3 2 1 0 Inflow Area=26.050 ac 6.48 cfs 6.48 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 30 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4B: POND B Inflow Area =3.790 ac, Inflow Depth > 6.96" for Snowmelt event Inflow=1.78 cfs @ 121.46 hrs, Volume=2.198 af Outflow=1.77 cfs @ 121.57 hrs, Volume=2.198 af, Atten= 1%, Lag= 6.4 min Primary=1.77 cfs @ 121.57 hrs, Volume=2.198 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 906.24' @ 121.57 hrs Surf.Area= 0.035 ac Storage= 0.018 af Plug-Flow detention time= 19.2 min calculated for 2.196 af (100% of inflow)Center-of-Mass det. time= 18.2 min ( 7,437.9 - 7,419.7 )VolumeInvertAvail.StorageStorage Description #1905.59'0.315 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)905.590.020108.00.0000.0000.020 906.000.030121.00.0100.0100.026 908.000.080218.00.1060.1160.086 910.000.120320.00.1990.3150.187 DeviceRoutingInvertOutlet Devices #1Device 2905.59'15.0" x 140.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 903.51' S= 0.0149 '/' Cc= 0.900 n= 0.012 #2Primary897.99'15.0" x 40.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 897.66' S= 0.0083 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=1.76 cfs @ 121.57 hrs HW=906.24' TW=898.14' (Dynamic Tailwater)2=Culvert (Passes 1.76 cfs of 16.31 cfs potential flow)1=Culvert (Inlet Controls 1.76 cfs @ 2.7 fps)Pond 4B: POND B Inflow Primary Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)1 0 Inflow Area=3.790 ac Peak Elev=906.24'Storage=0.018 af 1.78 cfs 1.77 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 31 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4C: POND C Inflow Area =8.360 ac, Inflow Depth > 6.96" for Snowmelt event Inflow=3.94 cfs @ 121.44 hrs, Volume=4.849 af Outflow=3.47 cfs @ 121.59 hrs, Volume=4.839 af, Atten= 12%, Lag= 9.2 min Primary=3.47 cfs @ 121.59 hrs, Volume=4.839 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 898.47' @ 123.03 hrs Surf.Area= 0.151 ac Storage= 0.182 af Plug-Flow detention time= 98.2 min calculated for 4.839 af (100% of inflow)Center-of-Mass det. time= 84.3 min ( 7,502.2 - 7,418.0 )VolumeInvertAvail.StorageStorage Description #1897.09'0.919 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)897.090.110332.00.0000.0000.110 898.000.140352.00.1130.1130.136 900.000.190408.00.3290.4420.216 902.000.290566.00.4760.9190.498 DeviceRoutingInvertOutlet Devices #1Primary897.09'18.0" x 35.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 896.97' S= 0.0034 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=3.00 cfs @ 121.59 hrs HW=898.34' TW=898.14' (Dynamic Tailwater)1=Culvert (Outlet Controls 3.00 cfs @ 2.6 fps)Pond 4C: POND C Inflow Primary Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)4 3 2 1 0 Inflow Area=8.360 ac Peak Elev=898.47'Storage=0.182 af 18.0" x 35.0' Culvert 3.94 cfs 3.47 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 32 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4D: POND D Inflow Area =2.090 ac, Inflow Depth > 6.96" for Snowmelt event Inflow=0.99 cfs @ 121.35 hrs, Volume=1.212 af Outflow=0.91 cfs @ 121.70 hrs, Volume=1.208 af, Atten= 8%, Lag= 20.8 min Primary=0.91 cfs @ 121.70 hrs, Volume=1.208 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 891.97' @ 121.70 hrs Surf.Area= 0.119 ac Storage= 0.055 af Plug-Flow detention time= 132.2 min calculated for 1.208 af (100% of inflow)Center-of-Mass det. time= 108.3 min ( 7,519.8 - 7,411.5 )VolumeInvertAvail.StorageStorage Description #1891.47'0.338 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)891.470.100364.00.0000.0000.100 892.000.120377.00.0580.0580.118 893.000.140397.00.1300.1880.148 894.000.160420.00.1500.3380.183 DeviceRoutingInvertOutlet Devices #1Primary891.47'18.0" x 15.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 891.38' S= 0.0060 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=0.91 cfs @ 121.70 hrs HW=891.97' TW=0.00' (Dynamic Tailwater)1=Culvert (Barrel Controls 0.91 cfs @ 2.6 fps)Pond 4D: POND D Inflow Primary Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)1 0 Inflow Area=2.090 ac Peak Elev=891.97'Storage=0.055 af 18.0" x 15.0' Culvert 0.99 cfs 0.91 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 33 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4P: Ag Urban Wet Inflow Area =22.940 ac, Inflow Depth > 6.96" for Snowmelt event Inflow=10.26 cfs @ 121.48 hrs, Volume=13.296 af Outflow=5.49 cfs @ 123.26 hrs, Volume=13.042 af, Atten= 46%, Lag= 106.9 min Primary=5.49 cfs @ 123.26 hrs, Volume=13.042 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 898.40' @ 123.26 hrs Surf.Area= 1.490 ac Storage= 2.003 af Plug-Flow detention time= 473.9 min calculated for 13.031 af (98% of inflow)Center-of-Mass det. time= 349.0 min ( 7,799.9 - 7,450.9 )VolumeInvertAvail.StorageStorage Description #1896.91'9.353 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)896.911.270908.00.0000.0001.270 898.001.360933.01.4331.4331.357 900.002.0701,232.03.4054.8382.541 902.002.4501,328.04.5159.3532.994 DeviceRoutingInvertOutlet Devices #1Device 2896.91'15.0" x 47.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 896.21' S= 0.0149 '/' Cc= 0.900 n= 0.012 #2Device 3896.21'21.0" x 228.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 895.91' S= 0.0013 '/' Cc= 0.900 n= 0.012 #3Primary892.56'18.0" x 70.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 889.50' S= 0.0437 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=5.49 cfs @ 123.26 hrs HW=898.40' TW=0.00' (Dynamic Tailwater)3=Culvert (Passes 5.49 cfs of 19.19 cfs potential flow)2=Culvert (Passes 5.49 cfs of 8.80 cfs potential flow)1=Culvert (Inlet Controls 5.49 cfs @ 4.5 fps) Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 34 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4P: Ag Urban Wet Inflow Primary Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=22.940 ac Peak Elev=898.40'Storage=2.003 af 10.26 cfs 5.49 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 35 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P1: WEST POND Inflow Area =1.640 ac, Inflow Depth > 6.96" for Snowmelt event Inflow=0.78 cfs @ 121.40 hrs, Volume=0.951 af Outflow=0.68 cfs @ 121.90 hrs, Volume=0.947 af, Atten= 12%, Lag= 30.0 min Primary=0.68 cfs @ 121.90 hrs, Volume=0.947 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 892.50' @ 121.90 hrs Surf.Area= 0.110 ac Storage= 0.053 af Plug-Flow detention time= 157.9 min calculated for 0.946 af (99% of inflow)Center-of-Mass det. time= 128.3 min ( 7,543.8 - 7,415.5 )VolumeInvertAvail.StorageStorage Description #1892.00'0.390 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)892.000.100254.00.0000.0000.100 893.000.120273.00.1100.1100.119 894.000.140291.00.1300.2400.139 895.000.160310.00.1500.3900.161 DeviceRoutingInvertOutlet Devices #1Device 3892.00'8.0" Vert. Orifice/Grate C= 0.600 #2Device 3893.80'5.0' long x 0.7' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 Coef. (English) 2.76 2.82 2.93 3.09 3.18 3.22 3.27 3.30 3.32 3.31 3.32 #3Primary892.00'12.0" x 20.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 891.80' S= 0.0100 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=0.68 cfs @ 121.90 hrs HW=892.50' TW=890.67' (Dynamic Tailwater)3=Culvert (Passes 0.68 cfs of 0.84 cfs potential flow)1=Orifice/Grate (Orifice Controls 0.68 cfs @ 2.4 fps)2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 36 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P1: WEST POND Inflow Primary Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)0.85 0.8 0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Inflow Area=1.640 ac Peak Elev=892.50'Storage=0.053 af 0.78 cfs 0.68 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 37 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P2.1: DRIVE TO NORTH Inflow Area =43.640 ac, Inflow Depth > 6.85" for Snowmelt event Inflow=6.57 cfs @ 122.66 hrs, Volume=24.926 af Outflow=6.56 cfs @ 122.83 hrs, Volume=24.926 af, Atten= 0%, Lag= 10.7 min Primary=6.56 cfs @ 122.83 hrs, Volume=24.926 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 883.50' @ 122.83 hrs Surf.Area= 0.048 ac Storage= 0.027 af Plug-Flow detention time= 1.2 min calculated for 24.906 af (100% of inflow)Center-of-Mass det. time= 1.2 min ( 7,792.9 - 7,791.7 )VolumeInvertAvail.StorageStorage Description #1881.80'0.271 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)881.800.0000.00.0000.0000.000 884.000.080274.00.0590.0590.137 885.000.170343.00.1220.1810.215 885.500.190410.00.0900.2710.308 DeviceRoutingInvertOutlet Devices #1Primary881.80'18.0" x 66.0' long Culvert CMP, projecting, no headwall, Ke= 0.900 Outlet Invert= 879.40' S= 0.0364 '/' Cc= 0.900 n= 0.024 #2Primary885.00'Custom Weir/Orifice, C= 2.62 Head (feet) 0.00 0.50 Width (feet) 10.00 50.00 Primary OutFlow Max=6.56 cfs @ 122.83 hrs HW=883.50' TW=0.00' (Dynamic Tailwater)1=Culvert (Inlet Controls 6.56 cfs @ 3.7 fps)2=Custom Weir/Orifice ( Controls 0.00 cfs)Pond P2.1: DRIVE TO NORTH Inflow Primary Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)7 6 5 4 3 2 1 0 Inflow Area=43.640 ac Peak Elev=883.50'Storage=0.027 af 6.57 cfs 6.56 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 38 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P2.2: EAST POND Inflow Area =6.120 ac, Inflow Depth > 6.96" for Snowmelt event Inflow=2.76 cfs @ 121.54 hrs, Volume=3.550 af Outflow=2.29 cfs @ 122.41 hrs, Volume=3.518 af, Atten= 17%, Lag= 52.1 min Primary=2.29 cfs @ 122.41 hrs, Volume=3.518 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 894.91' @ 122.41 hrs Surf.Area= 0.346 ac Storage= 0.297 af Plug-Flow detention time= 255.2 min calculated for 3.518 af (99% of inflow)Center-of-Mass det. time= 195.1 min ( 7,627.6 - 7,432.5 )VolumeInvertAvail.StorageStorage Description #1894.00'1.124 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)894.000.310460.00.0000.0000.310 895.000.350484.00.3300.3300.353 896.000.400561.00.3750.7050.500 897.000.440580.00.4201.1240.542 DeviceRoutingInvertOutlet Devices #1Primary894.00'15.0" x 20.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 893.90' S= 0.0050 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=2.29 cfs @ 122.41 hrs HW=894.91' TW=0.00' (Dynamic Tailwater)1=Culvert (Barrel Controls 2.29 cfs @ 3.4 fps)Pond P2.2: EAST POND Inflow Primary Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)3 2 1 0 Inflow Area=6.120 ac Peak Elev=894.91'Storage=0.297 af 15.0" x 20.0' Culvert 2.76 cfs 2.29 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 39 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W1.1: WETLAND Inflow Area =41.250 ac, Inflow Depth > 6.88" for Snowmelt event Inflow=11.53 cfs @ 121.64 hrs, Volume=23.654 af Outflow=6.15 cfs @ 126.43 hrs, Volume=23.540 af, Atten= 47%, Lag= 287.5 min Primary=6.15 cfs @ 126.43 hrs, Volume=23.540 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 891.25' @ 126.43 hrs Surf.Area= 1.808 ac Storage= 2.336 af Plug-Flow detention time= 191.0 min calculated for 23.520 af (99% of inflow)Center-of-Mass det. time= 159.1 min ( 7,813.2 - 7,654.1 )VolumeInvertAvail.StorageStorage Description #1888.11'4.057 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)888.110.290806.00.0000.0000.290 890.000.6501,598.00.8660.8663.769 892.002.7901,712.03.1914.0574.462 DeviceRoutingInvertOutlet Devices #1Primary888.10'12.0" x 20.0' long Culvert CMP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 888.08' S= 0.0010 '/' Cc= 0.900 n= 0.012 #2Primary891.23'Custom Weir/Orifice, C= 2.62 Head (feet) 0.00 0.50 Width (feet) 0.00 20.00 Primary OutFlow Max=6.15 cfs @ 126.43 hrs HW=891.25' TW=0.00' (Dynamic Tailwater)1=Culvert (Inlet Controls 6.15 cfs @ 7.8 fps)2=Custom Weir/Orifice (Weir Controls 0.00 cfs @ 0.3 fps)Pond W1.1: WETLAND Inflow Primary Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=41.250 ac Peak Elev=891.25'Storage=2.336 af 11.53 cfs 6.15 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 40 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W1.2: WETLAND Inflow Area =28.420 ac, Inflow Depth > 6.85" for Snowmelt event Inflow=7.40 cfs @ 122.32 hrs, Volume=16.212 af Outflow=6.15 cfs @ 122.91 hrs, Volume=16.212 af, Atten= 17%, Lag= 35.3 min Primary=6.15 cfs @ 122.91 hrs, Volume=16.212 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 891.29' @ 126.37 hrs Surf.Area= 0.466 ac Storage= 0.431 af Plug-Flow detention time= 20.3 min calculated for 16.212 af (100% of inflow)Center-of-Mass det. time= 20.2 min ( 7,760.7 - 7,740.5 )VolumeInvertAvail.StorageStorage Description #1888.40'1.241 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)888.400.0000.00.0000.0000.000 890.000.130441.00.0690.0690.355 892.000.740750.00.7870.8561.028 892.500.800770.00.3851.2411.084 DeviceRoutingInvertOutlet Devices #1Primary888.40'30.0" x 110.0' long Culvert RCP, end-section conforming to fill, Ke= 0.500 Outlet Invert= 887.90' S= 0.0045 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=3.72 cfs @ 122.91 hrs HW=891.01' TW=890.98' (Dynamic Tailwater)1=Culvert (Outlet Controls 3.72 cfs @ 0.9 fps)Pond W1.2: WETLAND Inflow Primary Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)8 7 6 5 4 3 2 1 0 Inflow Area=28.420 ac Peak Elev=891.29'Storage=0.431 af 30.0" x 110.0' Culvert 7.40 cfs 6.15 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 41 Prepared by Kallio Engineering LLC 8/4/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W2: WETLAND Inflow Area =2.110 ac, Inflow Depth > 6.96" for Snowmelt event Inflow=0.96 cfs @ 121.75 hrs, Volume=1.224 af Outflow=0.95 cfs @ 121.88 hrs, Volume=1.224 af, Atten= 1%, Lag= 7.5 min Primary=0.95 cfs @ 121.88 hrs, Volume=1.224 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 896.26' @ 121.88 hrs Surf.Area= 0.106 ac Storage= 0.014 af Plug-Flow detention time= 23.7 min calculated for 1.223 af (100% of inflow)Center-of-Mass det. time= 22.9 min ( 7,460.8 - 7,437.8 )VolumeInvertAvail.StorageStorage Description #1896.11'0.151 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)896.110.080222.00.0000.0000.080 897.000.280420.00.1510.1510.312 DeviceRoutingInvertOutlet Devices #1Primary896.11'Custom Weir/Orifice, C= 2.62 Head (feet) 0.00 1.89 Width (feet) 4.00 30.00 Primary OutFlow Max=0.95 cfs @ 121.88 hrs HW=896.26' TW=894.88' (Dynamic Tailwater)1=Custom Weir/Orifice (Weir Controls 0.95 cfs @ 1.2 fps)Pond W2: WETLAND Inflow Primary Hydrograph Time (hours)240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Flow (cfs)1 0 Inflow Area=2.110 ac Peak Elev=896.26'Storage=0.014 af 0.96 cfs 0.95 cfs