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Preserve HydroCAD Reports 060813Drainage Diagram for 1237 Pre-Development Prepared by Kallio Engineering LLC 6/9/2013 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 W1.1 WETLAND W2 WETLAND Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 2 Prepared by Kallio Engineering LLC 6/9/2013 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=6.610 ac Runoff Depth=1.29"Subcatchment FT4.4: FT4.4 Flow Length=530' Tc=14.4 min CN=83 Runoff=10.66 cfs 0.709 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=9.140 ac Runoff Depth=1.10"Subcatchment FT5.1: FT5.1 Flow Length=980' Tc=20.3 min CN=80 Runoff=10.59 cfs 0.839 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=2.600 ac Runoff Depth=0.74"Subcatchment S2.1: S2.1 Flow Length=360' Tc=15.9 min CN=73 Runoff=2.15 cfs 0.160 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=5.56 cfs 4.504 af Reach D: TOTAL DISCHARGE Outflow=5.56 cfs 4.504 af Inflow=4.02 cfs 4.049 af Reach D1: DISCHARGE 1 Outflow=4.02 cfs 4.049 af Inflow=2.59 cfs 0.362 af Reach D2: DISCHARGE 2 Outflow=2.59 cfs 0.362 af Inflow=1.05 cfs 0.093 af Reach D3: DISCHARGE 3 Outflow=1.05 cfs 0.093 af Inflow=4.12 cfs 2.621 af Reach D4: FT DISCHARGE Outflow=4.12 cfs 2.621 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 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Peak Elev=898.69' Storage=0.215 af Inflow=11.96 cfs 0.801 af Pond 4C: POND C 18.0" x 35.0' Culvert Outflow=6.33 cfs 0.800 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=897.79' Storage=1.149 af Inflow=25.64 cfs 2.364 af Pond 4P: Ag Urban Wet Outflow=2.95 cfs 2.288 af Peak Elev=889.91' Storage=1.025 af Inflow=20.96 cfs 4.081 af Pond W1.1: WETLAND Outflow=4.02 cfs 4.049 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 = 49.850 ac Runoff Volume = 4.614 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 6/9/2013 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 6/9/2013 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 6/9/2013 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 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.4: FT4.4 Runoff=10.66 cfs @ 12.07 hrs, Volume=0.709 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 6.610831/4 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)11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=6.610 ac Runoff Volume=0.709 af Runoff Depth=1.29"Flow Length=530'Tc=14.4 min CN=83 10.66 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 8 Prepared by Kallio Engineering LLC 6/9/2013 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 6/9/2013 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 6/9/2013 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 6/9/2013 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 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT5.1: FT5.1 Runoff=10.59 cfs @ 12.14 hrs, Volume=0.839 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 9.140801/4 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)11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=9.140 ac Runoff Volume=0.839 af Runoff Depth=1.10"Flow Length=980'Tc=20.3 min CN=80 10.59 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 13 Prepared by Kallio Engineering LLC 6/9/2013 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 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.1: S2.1 Runoff=2.15 cfs @ 12.11 hrs, Volume=0.160 af, Depth=0.74"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 2.20072Woods/grass comb., Good, HSG C 0.40079Woods/grass comb., Good, HSG D 2.60073Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)14.02000.10000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"1.91600.04001.4 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 15.9360Total 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=2.600 ac Runoff Volume=0.160 af Runoff Depth=0.74"Flow Length=360'Tc=15.9 min CN=73 2.15 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 15 Prepared by Kallio Engineering LLC 6/9/2013 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 6/9/2013 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 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D: TOTAL DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =49.850 ac, Inflow Depth > 1.08" for 2 YR event Inflow=5.56 cfs @ 12.33 hrs, Volume=4.504 af Outflow=5.56 cfs @ 12.33 hrs, Volume=4.504 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)6 5 4 3 2 1 0 Inflow Area=49.850 ac 5.56 cfs 5.56 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 18 Prepared by Kallio Engineering LLC 6/9/2013 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=4.02 cfs @ 14.60 hrs, Volume=4.049 af Outflow=4.02 cfs @ 14.60 hrs, Volume=4.049 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 4.02 cfs 4.02 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 19 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D2: DISCHARGE 2 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =5.690 ac, Inflow Depth = 0.76" for 2 YR event Inflow=2.59 cfs @ 12.14 hrs, Volume=0.362 af Outflow=2.59 cfs @ 12.14 hrs, Volume=0.362 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)2 1 0 Inflow Area=5.690 ac 2.59 cfs 2.59 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 20 Prepared by Kallio Engineering LLC 6/9/2013 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 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D4: FT DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =25.160 ac, Inflow Depth > 1.25" for 2 YR event Inflow=4.12 cfs @ 12.22 hrs, Volume=2.621 af Outflow=4.12 cfs @ 12.22 hrs, Volume=2.621 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 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=25.160 ac 4.12 cfs 4.12 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 22 Prepared by Kallio Engineering LLC 6/9/2013 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= 11.7 min calculated for 0.406 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=897.43' (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 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4C: POND C Inflow Area =7.470 ac, Inflow Depth = 1.29" for 2 YR event Inflow=11.96 cfs @ 12.08 hrs, Volume=0.801 af Outflow=6.33 cfs @ 12.25 hrs, Volume=0.800 af, Atten= 47%, Lag= 10.1 min Primary=6.33 cfs @ 12.25 hrs, Volume=0.800 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 898.69' @ 12.25 hrs Surf.Area= 0.156 ac Storage= 0.215 af Plug-Flow detention time= 78.4 min calculated for 0.799 af (100% of inflow)Center-of-Mass det. time= 80.2 min ( 924.5 - 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=6.17 cfs @ 12.25 hrs HW=898.66' TW=897.50' (Dynamic Tailwater)1=Culvert (Barrel Controls 6.17 cfs @ 4.1 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)13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=7.470 ac Peak Elev=898.69'Storage=0.215 af 18.0" x 35.0' Culvert 11.96 cfs 6.33 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 24 Prepared by Kallio Engineering LLC 6/9/2013 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 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4P: Ag Urban Wet Inflow Area =22.050 ac, Inflow Depth = 1.29" for 2 YR event Inflow=25.64 cfs @ 12.08 hrs, Volume=2.364 af Outflow=2.95 cfs @ 13.26 hrs, Volume=2.288 af, Atten= 89%, Lag= 71.0 min Primary=2.95 cfs @ 13.26 hrs, Volume=2.288 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 897.79' @ 13.26 hrs Surf.Area= 1.342 ac Storage= 1.149 af Plug-Flow detention time= 404.3 min calculated for 2.288 af (97% of inflow)Center-of-Mass det. time= 379.9 min ( 1,252.6 - 872.7 )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=2.95 cfs @ 13.26 hrs HW=897.79' TW=0.00' (Dynamic Tailwater)3=Culvert (Passes 2.95 cfs of 18.01 cfs potential flow)2=Culvert (Passes 2.95 cfs of 5.91 cfs potential flow)1=Culvert (Inlet Controls 2.95 cfs @ 3.2 fps) Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 26 Prepared by Kallio Engineering LLC 6/9/2013 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=22.050 ac Peak Elev=897.79'Storage=1.149 af 25.64 cfs 2.95 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 27 Prepared by Kallio Engineering LLC 6/9/2013 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=20.96 cfs @ 12.17 hrs, Volume=4.081 af Outflow=4.02 cfs @ 14.60 hrs, Volume=4.049 af, Atten= 81%, Lag= 145.4 min Primary=4.02 cfs @ 14.60 hrs, Volume=4.049 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 889.91' @ 14.60 hrs Surf.Area= 0.908 ac Storage= 1.025 af Plug-Flow detention time= 196.8 min calculated for 4.049 af (99% of inflow)Center-of-Mass det. time= 175.2 min ( 1,261.2 - 1,086.0 )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=4.02 cfs @ 14.60 hrs HW=889.91' TW=0.00' (Dynamic Tailwater)1=Culvert (Barrel Controls 4.02 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)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=42.740 ac Peak Elev=889.91'Storage=1.025 af 20.96 cfs 4.02 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Pre-Development Page 28 Prepared by Kallio Engineering LLC 6/9/2013 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 29 Prepared by Kallio Engineering LLC 6/9/2013 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=6.610 ac Runoff Depth=2.46"Subcatchment FT4.4: FT4.4 Flow Length=530' Tc=14.4 min CN=83 Runoff=20.34 cfs 1.355 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=9.140 ac Runoff Depth=2.21"Subcatchment FT5.1: FT5.1 Flow Length=980' Tc=20.3 min CN=80 Runoff=21.74 cfs 1.682 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=2.600 ac Runoff Depth=1.67"Subcatchment S2.1: S2.1 Flow Length=360' Tc=15.9 min CN=73 Runoff=5.23 cfs 0.362 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=13.16 cfs 9.076 af Reach D: TOTAL DISCHARGE Outflow=13.16 cfs 9.076 af Inflow=5.98 cfs 8.058 af Reach D1: DISCHARGE 1 Outflow=5.98 cfs 8.058 af Inflow=6.96 cfs 0.812 af Reach D2: DISCHARGE 2 Outflow=6.96 cfs 0.812 af Inflow=2.51 cfs 0.206 af Reach D3: DISCHARGE 3 Outflow=2.51 cfs 0.206 af Inflow=10.28 cfs 5.078 af Reach D4: FT DISCHARGE Outflow=10.28 cfs 5.078 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 30 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Peak Elev=899.82' Storage=0.409 af Inflow=22.83 cfs 1.532 af Pond 4C: POND C 18.0" x 35.0' Culvert Outflow=11.48 cfs 1.530 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=898.57' Storage=2.256 af Inflow=47.97 cfs 4.520 af Pond 4P: Ag Urban Wet Outflow=6.00 cfs 4.441 af Peak Elev=891.10' Storage=2.827 af Inflow=46.36 cfs 8.091 af Pond W1.1: WETLAND Outflow=5.98 cfs 8.058 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 = 49.850 ac Runoff Volume = 9.191 af Average Runoff Depth = 2.21" Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 31 Prepared by Kallio Engineering LLC 6/9/2013 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 32 Prepared by Kallio Engineering LLC 6/9/2013 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 33 Prepared by Kallio Engineering LLC 6/9/2013 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 34 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.4: FT4.4 Runoff=20.34 cfs @ 12.07 hrs, Volume=1.355 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 6.610831/4 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)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=6.610 ac Runoff Volume=1.355 af Runoff Depth=2.46"Flow Length=530'Tc=14.4 min CN=83 20.34 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 35 Prepared by Kallio Engineering LLC 6/9/2013 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 36 Prepared by Kallio Engineering LLC 6/9/2013 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 37 Prepared by Kallio Engineering LLC 6/9/2013 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 38 Prepared by Kallio Engineering LLC 6/9/2013 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 39 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT5.1: FT5.1 Runoff=21.74 cfs @ 12.13 hrs, Volume=1.682 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 9.140801/4 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)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=9.140 ac Runoff Volume=1.682 af Runoff Depth=2.21"Flow Length=980'Tc=20.3 min CN=80 21.74 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 40 Prepared by Kallio Engineering LLC 6/9/2013 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 41 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.1: S2.1 Runoff=5.23 cfs @ 12.09 hrs, Volume=0.362 af, Depth=1.67"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 2.20072Woods/grass comb., Good, HSG C 0.40079Woods/grass comb., Good, HSG D 2.60073Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)14.02000.10000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"1.91600.04001.4 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 15.9360Total 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=2.600 ac Runoff Volume=0.362 af Runoff Depth=1.67"Flow Length=360'Tc=15.9 min CN=73 5.23 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 42 Prepared by Kallio Engineering LLC 6/9/2013 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 43 Prepared by Kallio Engineering LLC 6/9/2013 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 44 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D: TOTAL DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =49.850 ac, Inflow Depth > 2.18" for 10 YR event Inflow=13.16 cfs @ 12.21 hrs, Volume=9.076 af Outflow=13.16 cfs @ 12.21 hrs, Volume=9.076 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 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=49.850 ac 13.16 cfs 13.16 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 45 Prepared by Kallio Engineering LLC 6/9/2013 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 > 2.26" for 10 YR event Inflow=5.98 cfs @ 16.75 hrs, Volume=8.058 af Outflow=5.98 cfs @ 16.75 hrs, Volume=8.058 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 5.98 cfs 5.98 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 46 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D2: DISCHARGE 2 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =5.690 ac, Inflow Depth = 1.71" for 10 YR event Inflow=6.96 cfs @ 12.14 hrs, Volume=0.812 af Outflow=6.96 cfs @ 12.14 hrs, Volume=0.812 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)7 6 5 4 3 2 1 0 Inflow Area=5.690 ac 6.96 cfs 6.96 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 47 Prepared by Kallio Engineering LLC 6/9/2013 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 48 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D4: FT DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =25.160 ac, Inflow Depth > 2.42" for 10 YR event Inflow=10.28 cfs @ 12.19 hrs, Volume=5.078 af Outflow=10.28 cfs @ 12.19 hrs, Volume=5.078 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=25.160 ac 10.28 cfs 10.28 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 49 Prepared by Kallio Engineering LLC 6/9/2013 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=898.10' (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 50 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4C: POND C Inflow Area =7.470 ac, Inflow Depth = 2.46" for 10 YR event Inflow=22.83 cfs @ 12.07 hrs, Volume=1.532 af Outflow=11.48 cfs @ 12.24 hrs, Volume=1.530 af, Atten= 50%, Lag= 10.0 min Primary=11.48 cfs @ 12.24 hrs, Volume=1.530 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 899.82' @ 12.25 hrs Surf.Area= 0.185 ac Storage= 0.409 af Plug-Flow detention time= 78.0 min calculated for 1.530 af (100% of inflow)Center-of-Mass det. time= 77.1 min ( 902.7 - 825.7 )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=10.94 cfs @ 12.24 hrs HW=899.78' TW=898.12' (Dynamic Tailwater)1=Culvert (Inlet Controls 10.94 cfs @ 6.2 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)24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=7.470 ac Peak Elev=899.82'Storage=0.409 af 18.0" x 35.0' Culvert 22.83 cfs 11.48 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 51 Prepared by Kallio Engineering LLC 6/9/2013 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 52 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4P: Ag Urban Wet Inflow Area =22.050 ac, Inflow Depth = 2.46" for 10 YR event Inflow=47.97 cfs @ 12.06 hrs, Volume=4.520 af Outflow=6.00 cfs @ 13.05 hrs, Volume=4.441 af, Atten= 87%, Lag= 59.7 min Primary=6.00 cfs @ 13.05 hrs, Volume=4.441 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 898.57' @ 13.05 hrs Surf.Area= 1.546 ac Storage= 2.256 af Plug-Flow detention time= 324.2 min calculated for 4.441 af (98% of inflow)Center-of-Mass det. time= 309.6 min ( 1,162.4 - 852.9 )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=6.00 cfs @ 13.05 hrs HW=898.57' TW=0.00' (Dynamic Tailwater)3=Culvert (Passes 6.00 cfs of 19.51 cfs potential flow)2=Culvert (Passes 6.00 cfs of 8.77 cfs potential flow)1=Culvert (Inlet Controls 6.00 cfs @ 4.9 fps) Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 53 Prepared by Kallio Engineering LLC 6/9/2013 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=22.050 ac Peak Elev=898.57'Storage=2.256 af 47.97 cfs 6.00 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 54 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W1.1: WETLAND Inflow Area =42.740 ac, Inflow Depth > 2.27" for 10 YR event Inflow=46.36 cfs @ 12.16 hrs, Volume=8.091 af Outflow=5.98 cfs @ 16.75 hrs, Volume=8.058 af, Atten= 87%, Lag= 275.7 min Primary=5.98 cfs @ 16.75 hrs, Volume=8.058 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 891.10' @ 16.75 hrs Surf.Area= 2.267 ac Storage= 2.827 af Plug-Flow detention time= 278.8 min calculated for 8.058 af (100% of inflow)Center-of-Mass det. time= 267.2 min ( 1,288.5 - 1,021.3 )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=5.98 cfs @ 16.75 hrs HW=891.10' TW=0.00' (Dynamic Tailwater)1=Culvert (Inlet Controls 5.98 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)50 45 40 35 30 25 20 15 10 5 0 Inflow Area=42.740 ac Peak Elev=891.10'Storage=2.827 af 46.36 cfs 5.98 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Pre-Development Page 55 Prepared by Kallio Engineering LLC 6/9/2013 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 56 Prepared by Kallio Engineering LLC 6/9/2013 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=6.610 ac Runoff Depth=4.09"Subcatchment FT4.4: FT4.4 Flow Length=530' Tc=14.4 min CN=83 Runoff=33.31 cfs 2.254 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=9.140 ac Runoff Depth=3.78"Subcatchment FT5.1: FT5.1 Flow Length=980' Tc=20.3 min CN=80 Runoff=37.18 cfs 2.880 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=2.600 ac Runoff Depth=3.09"Subcatchment S2.1: S2.1 Flow Length=360' Tc=15.9 min CN=73 Runoff=9.78 cfs 0.669 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=23.61 cfs 15.581 af Reach D: TOTAL DISCHARGE Outflow=23.61 cfs 15.581 af Inflow=12.35 cfs 13.715 af Reach D1: DISCHARGE 1 Outflow=12.35 cfs 13.715 af Inflow=13.57 cfs 1.489 af Reach D2: DISCHARGE 2 Outflow=13.57 cfs 1.489 af Inflow=4.72 cfs 0.377 af Reach D3: DISCHARGE 3 Outflow=4.72 cfs 0.377 af Inflow=17.42 cfs 8.493 af Reach D4: FT DISCHARGE Outflow=17.42 cfs 8.493 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 57 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Peak Elev=901.32' Storage=0.734 af Inflow=37.40 cfs 2.547 af Pond 4C: POND C 18.0" x 35.0' Culvert Outflow=13.90 cfs 2.545 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=899.53' Storage=3.908 af Inflow=76.67 cfs 7.516 af Pond 4P: Ag Urban Wet Outflow=8.35 cfs 7.433 af Peak Elev=891.64' Storage=4.291 af Inflow=81.28 cfs 13.750 af Pond W1.1: WETLAND Outflow=12.35 cfs 13.715 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 = 49.850 ac Runoff Volume = 15.702 af Average Runoff Depth = 3.78" Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 58 Prepared by Kallio Engineering LLC 6/9/2013 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 59 Prepared by Kallio Engineering LLC 6/9/2013 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 60 Prepared by Kallio Engineering LLC 6/9/2013 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 61 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.4: FT4.4 Runoff=33.31 cfs @ 12.06 hrs, Volume=2.254 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 6.610831/4 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)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=6.610 ac Runoff Volume=2.254 af Runoff Depth=4.09"Flow Length=530'Tc=14.4 min CN=83 33.31 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 62 Prepared by Kallio Engineering LLC 6/9/2013 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 63 Prepared by Kallio Engineering LLC 6/9/2013 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 64 Prepared by Kallio Engineering LLC 6/9/2013 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 65 Prepared by Kallio Engineering LLC 6/9/2013 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 66 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT5.1: FT5.1 Runoff=37.18 cfs @ 12.13 hrs, Volume=2.880 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 9.140801/4 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)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=9.140 ac Runoff Volume=2.880 af Runoff Depth=3.78"Flow Length=980'Tc=20.3 min CN=80 37.18 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 67 Prepared by Kallio Engineering LLC 6/9/2013 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 68 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.1: S2.1 Runoff=9.78 cfs @ 12.09 hrs, Volume=0.669 af, Depth=3.09"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 2.20072Woods/grass comb., Good, HSG C 0.40079Woods/grass comb., Good, HSG D 2.60073Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)14.02000.10000.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"1.91600.04001.4 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 15.9360Total 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)10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=2.600 ac Runoff Volume=0.669 af Runoff Depth=3.09"Flow Length=360'Tc=15.9 min CN=73 9.78 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 69 Prepared by Kallio Engineering LLC 6/9/2013 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 70 Prepared by Kallio Engineering LLC 6/9/2013 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 71 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D: TOTAL DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =49.850 ac, Inflow Depth > 3.75" for 100 YR event Inflow=23.61 cfs @ 12.15 hrs, Volume=15.581 af Outflow=23.61 cfs @ 12.15 hrs, Volume=15.581 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=49.850 ac 23.61 cfs 23.61 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 72 Prepared by Kallio Engineering LLC 6/9/2013 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 > 3.85" for 100 YR event Inflow=12.35 cfs @ 14.30 hrs, Volume=13.715 af Outflow=12.35 cfs @ 14.30 hrs, Volume=13.715 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 12.35 cfs 12.35 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 73 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D2: DISCHARGE 2 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =5.690 ac, Inflow Depth = 3.14" for 100 YR event Inflow=13.57 cfs @ 12.13 hrs, Volume=1.489 af Outflow=13.57 cfs @ 12.13 hrs, Volume=1.489 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)15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=5.690 ac 13.57 cfs 13.57 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 74 Prepared by Kallio Engineering LLC 6/9/2013 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 75 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D4: FT DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =25.160 ac, Inflow Depth > 4.05" for 100 YR event Inflow=17.42 cfs @ 12.14 hrs, Volume=8.493 af Outflow=17.42 cfs @ 12.14 hrs, Volume=8.493 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=25.160 ac 17.42 cfs 17.42 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 76 Prepared by Kallio Engineering LLC 6/9/2013 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=898.91' (Dynamic Tailwater)2=Culvert (Passes 9.96 cfs of 18.90 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 77 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4C: POND C Inflow Area =7.470 ac, Inflow Depth = 4.09" for 100 YR event Inflow=37.40 cfs @ 12.07 hrs, Volume=2.547 af Outflow=13.90 cfs @ 12.21 hrs, Volume=2.545 af, Atten= 63%, Lag= 8.3 min Primary=13.90 cfs @ 12.21 hrs, Volume=2.545 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 901.32' @ 12.31 hrs Surf.Area= 0.254 ac Storage= 0.734 af Plug-Flow detention time= 86.9 min calculated for 2.542 af (100% of inflow)Center-of-Mass det. time= 88.7 min ( 899.9 - 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=13.12 cfs @ 12.21 hrs HW=901.19' TW=898.81' (Dynamic Tailwater)1=Culvert (Inlet Controls 13.12 cfs @ 7.4 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)40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=7.470 ac Peak Elev=901.32'Storage=0.734 af 18.0" x 35.0' Culvert 37.40 cfs 13.90 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 78 Prepared by Kallio Engineering LLC 6/9/2013 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 79 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4P: Ag Urban Wet Inflow Area =22.050 ac, Inflow Depth = 4.09" for 100 YR event Inflow=76.67 cfs @ 12.04 hrs, Volume=7.516 af Outflow=8.35 cfs @ 13.34 hrs, Volume=7.433 af, Atten= 89%, Lag= 77.6 min Primary=8.35 cfs @ 13.34 hrs, Volume=7.433 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 899.53' @ 13.34 hrs Surf.Area= 1.890 ac Storage= 3.908 af Plug-Flow detention time= 320.9 min calculated for 7.423 af (99% of inflow)Center-of-Mass det. time= 314.0 min ( 1,156.5 - 842.5 )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=8.35 cfs @ 13.34 hrs HW=899.53' TW=0.00' (Dynamic Tailwater)3=Culvert (Passes 8.35 cfs of 21.22 cfs potential flow)2=Culvert (Passes 8.35 cfs of 12.59 cfs potential flow)1=Culvert (Inlet Controls 8.35 cfs @ 6.8 fps) Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 80 Prepared by Kallio Engineering LLC 6/9/2013 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=22.050 ac Peak Elev=899.53'Storage=3.908 af 76.67 cfs 8.35 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 81 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W1.1: WETLAND Inflow Area =42.740 ac, Inflow Depth > 3.86" for 100 YR event Inflow=81.28 cfs @ 12.15 hrs, Volume=13.750 af Outflow=12.35 cfs @ 14.30 hrs, Volume=13.715 af, Atten= 85%, Lag= 129.2 min Primary=12.35 cfs @ 14.30 hrs, Volume=13.715 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 891.64' @ 14.30 hrs Surf.Area= 3.130 ac Storage= 4.291 af Plug-Flow detention time= 292.7 min calculated for 13.696 af (100% of inflow)Center-of-Mass det. time= 286.2 min ( 1,293.9 - 1,007.7 )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=12.35 cfs @ 14.30 hrs HW=891.64' TW=0.00' (Dynamic Tailwater)1=Culvert (Inlet Controls 6.60 cfs @ 8.4 fps)2=Custom Weir/Orifice (Weir Controls 5.76 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)90 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=891.64'Storage=4.291 af 81.28 cfs 12.35 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Pre-Development Page 82 Prepared by Kallio Engineering LLC 6/9/2013 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 6/9/2013 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 S1.1A 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 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 6/9/2013 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=6.610 ac Runoff Depth=1.29"Subcatchment FT4.4: FT4.4 Flow Length=530' Tc=14.4 min CN=83 Runoff=10.66 cfs 0.709 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=9.140 ac Runoff Depth=1.10"Subcatchment FT5.1: FT5.1 Flow Length=980' Tc=20.3 min CN=80 Runoff=10.59 cfs 0.839 af Runoff Area=3.120 ac Runoff Depth=0.99"Subcatchment S1.1: S1.1 Flow Length=340' Tc=16.7 min CN=78 Runoff=3.58 cfs 0.257 af Runoff Area=1.100 ac Runoff Depth=1.10"Subcatchment S1.1A: S1.1A Flow Length=110' Tc=6.8 min CN=80 Runoff=1.95 cfs 0.101 af Runoff Area=0.200 ac Runoff Depth=1.89"Subcatchment S1.2: S1.2 Flow Length=510' Tc=6.3 min CN=91 Runoff=0.59 cfs 0.031 af Runoff Area=0.810 ac Runoff Depth=1.57"Subcatchment S1.3: S1.3 Flow Length=280' Tc=10.3 min CN=87 Runoff=1.82 cfs 0.106 af Runoff Area=0.720 ac Runoff Depth=0.93"Subcatchment S1.4: S1.4 Flow Length=220' Tc=14.0 min CN=77 Runoff=0.83 cfs 0.056 af Runoff Area=0.750 ac Runoff Depth=1.04"Subcatchment S1.5: S1.5 Flow Length=230' Tc=23.2 min CN=79 Runoff=0.75 cfs 0.065 af Runoff Area=1.140 ac Runoff Depth=0.99"Subcatchment S2.1: S2.1 Flow Length=160' Tc=16.7 min CN=78 Runoff=1.31 cfs 0.094 af Runoff Area=0.740 ac Runoff Depth=1.29"Subcatchment S2.2: S2.2 Flow Length=130' Tc=7.9 min CN=83 Runoff=1.50 cfs 0.079 af Runoff Area=2.050 ac Runoff Depth=0.93"Subcatchment S2.3: S2.3 Flow Length=620' Tc=36.1 min CN=77 Runoff=1.36 cfs 0.160 af Runoff Area=0.760 ac Runoff Depth=0.83"Subcatchment S2.4: S2.4 Flow Length=310' Tc=15.1 min CN=75 Runoff=0.74 cfs 0.053 af Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 3 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Runoff Area=2.870 ac Runoff Depth=1.49"Subcatchment S2.5: S2.5 Flow Length=270' Tc=16.0 min CN=86 Runoff=5.21 cfs 0.357 af Runoff Area=1.280 ac Runoff Depth=0.88"Subcatchment S3.1: S3.1 Flow Length=290' Tc=21.6 min CN=76 Runoff=1.09 cfs 0.094 af Inflow=6.05 cfs 4.876 af Reach D: TOTAL DISCHARGE Outflow=6.05 cfs 4.876 af Inflow=4.28 cfs 4.045 af Reach D1: DISCHARGE 1 Outflow=4.28 cfs 4.045 af Inflow=2.16 cfs 0.736 af Reach D2: DISCHARGE 2 Outflow=2.16 cfs 0.736 af Inflow=1.09 cfs 0.094 af Reach D3: DISCHARGE 3 Outflow=1.09 cfs 0.094 af Inflow=4.12 cfs 2.621 af Reach D4: FT DISCHARGE Outflow=4.12 cfs 2.621 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=898.69' Storage=0.215 af Inflow=11.96 cfs 0.801 af Pond 4C: POND C 18.0" x 35.0' Culvert Outflow=6.33 cfs 0.800 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=897.79' Storage=1.149 af Inflow=25.64 cfs 2.364 af Pond 4P: Ag Urban Wet Outflow=2.95 cfs 2.288 af Peak Elev=892.74' Storage=0.049 af Inflow=2.56 cfs 0.162 af Pond P1: WEST POND Outflow=1.07 cfs 0.161 af Peak Elev=894.78' Storage=0.249 af Inflow=7.09 cfs 0.649 af Pond P2: EAST POND 15.0" x 20.0' Culvert Outflow=1.78 cfs 0.642 af Peak Elev=890.02' Storage=0.879 af Inflow=19.39 cfs 4.077 af Pond W1.1: WETLAND Outflow=4.28 cfs 4.045 af Peak Elev=890.08' Storage=0.081 af Inflow=5.93 cfs 2.848 af Pond W1.2: WETLAND 30.0" x 110.0' Culvert Outflow=4.92 cfs 2.848 af Peak Elev=896.29' Storage=0.017 af Inflow=1.36 cfs 0.160 af Pond W2: WETLAND Outflow=1.22 cfs 0.160 af Total Runoff Area = 49.840 ac Runoff Volume = 4.992 af Average Runoff Depth = 1.20" Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 4 Prepared by Kallio Engineering LLC 6/9/2013 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 6/9/2013 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 6/9/2013 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 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.4: FT4.4 Runoff=10.66 cfs @ 12.07 hrs, Volume=0.709 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 6.610831/4 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)11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=6.610 ac Runoff Volume=0.709 af Runoff Depth=1.29"Flow Length=530'Tc=14.4 min CN=83 10.66 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 8 Prepared by Kallio Engineering LLC 6/9/2013 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 6/9/2013 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 6/9/2013 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 6/9/2013 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 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT5.1: FT5.1 Runoff=10.59 cfs @ 12.14 hrs, Volume=0.839 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 9.140801/4 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)11 10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=9.140 ac Runoff Volume=0.839 af Runoff Depth=1.10"Flow Length=980'Tc=20.3 min CN=80 10.59 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 13 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.1: S1.1 Runoff=3.58 cfs @ 12.10 hrs, Volume=0.257 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 0.78074>75% Grass cover, Good, HSG C 0.06098Paved parking & roofs 2.28079Woods/grass comb., Good, HSG D 3.12078Weighted 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)4 3 2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=3.120 ac Runoff Volume=0.257 af Runoff Depth=0.99"Flow Length=340'Tc=16.7 min CN=78 3.58 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 14 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.1A: S1.1A [49] Hint: Tc<2dt may require smaller dt Runoff=1.95 cfs @ 11.99 hrs, Volume=0.101 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 0.52074>75% Grass cover, Good, HSG C 0.18098Paved parking & roofs 0.40079Woods/grass comb., Good, HSG D 1.10080Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)6.81100.07000.3 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"Subcatchment S1.1A: S1.1A 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=1.100 ac Runoff Volume=0.101 af Runoff Depth=1.10"Flow Length=110'Tc=6.8 min CN=80 1.95 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 15 Prepared by Kallio Engineering LLC 6/9/2013 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=0.59 cfs @ 11.97 hrs, Volume=0.031 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 2 YR Rainfall=2.80"Area (ac)CNDescription 0.06074>75% Grass cover, Good, HSG C 0.14098Paved parking & roofs 0.20091Weighted 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=0.200 ac Runoff Volume=0.031 af Runoff Depth=1.89"Flow Length=510'Tc=6.3 min CN=91 0.59 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 16 Prepared by Kallio Engineering LLC 6/9/2013 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=1.82 cfs @ 12.01 hrs, Volume=0.106 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 0.37074>75% Grass cover, Good, HSG C 0.44098Paved parking & roofs 0.81087Weighted 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)2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=0.810 ac Runoff Volume=0.106 af Runoff Depth=1.57"Flow Length=280'Tc=10.3 min CN=87 1.82 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 17 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.4: S1.4 Runoff=0.83 cfs @ 12.08 hrs, Volume=0.056 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 0.08098Paved parking & roofs 0.72077Weighted 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)0.9 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=0.720 ac Runoff Volume=0.056 af Runoff Depth=0.93"Flow Length=220'Tc=14.0 min CN=77 0.83 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 18 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.5: S1.5 Runoff=0.75 cfs @ 12.18 hrs, Volume=0.065 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 0.75079Woods/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=0.750 ac Runoff Volume=0.065 af Runoff Depth=1.04"Flow Length=230'Tc=23.2 min CN=79 0.75 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 19 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.1: S2.1 Runoff=1.31 cfs @ 12.10 hrs, Volume=0.094 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 0.70074>75% Grass cover, Good, HSG C 0.14098Paved parking & roofs 0.30079Woods/grass comb., Good, HSG D 1.14078Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.9800.15000.3 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"12.8800.02000.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"16.7160Total 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)1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=1.140 ac Runoff Volume=0.094 af Runoff Depth=0.99"Flow Length=160'Tc=16.7 min CN=78 1.31 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 20 Prepared by Kallio Engineering LLC 6/9/2013 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=1.50 cfs @ 11.99 hrs, Volume=0.079 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 0.37074>75% Grass cover, Good, HSG C 0.27098Paved parking & roofs 0.10079Woods/grass comb., Good, HSG D 0.74083Weighted 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)1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=0.740 ac Runoff Volume=0.079 af Runoff Depth=1.29"Flow Length=130'Tc=7.9 min CN=83 1.50 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 21 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.3: S2.3 Runoff=1.36 cfs @ 12.35 hrs, Volume=0.160 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 1.17074>75% Grass cover, Good, HSG C 0.04098Paved parking & roofs 0.84079Woods/grass comb., Good, HSG D 2.05077Weighted 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=2.050 ac Runoff Volume=0.160 af Runoff Depth=0.93"Flow Length=620'Tc=36.1 min CN=77 1.36 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 22 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.4: S2.4 Runoff=0.74 cfs @ 12.09 hrs, Volume=0.053 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 0.73074>75% Grass cover, Good, HSG C 0.03098Paved parking & roofs 0.76075Weighted 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)0.8 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=0.760 ac Runoff Volume=0.053 af Runoff Depth=0.83"Flow Length=310'Tc=15.1 min CN=75 0.74 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 23 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.5: S2.5 Runoff=5.21 cfs @ 12.09 hrs, Volume=0.357 af, Depth=1.49"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 1.47074>75% Grass cover, Good, HSG C 1.40098Paved parking & roofs 2.87086Weighted 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)5 4 3 2 1 0 Type II 24-hr 2 YR Rainfall=2.80"Runoff Area=2.870 ac Runoff Volume=0.357 af Runoff Depth=1.49"Flow Length=270'Tc=16.0 min CN=86 5.21 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 24 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S3.1: S3.1 Runoff=1.09 cfs @ 12.17 hrs, Volume=0.094 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 0.40079Woods/grass comb., Good, HSG D 0.88074>75% Grass cover, Good, HSG C 1.28076Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)19.22000.04500.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"2.4900.01500.6 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 21.6290Total 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=1.280 ac Runoff Volume=0.094 af Runoff Depth=0.88"Flow Length=290'Tc=21.6 min CN=76 1.09 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 25 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D: TOTAL DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =49.840 ac, Inflow Depth > 1.17" for 2 YR event Inflow=6.05 cfs @ 12.85 hrs, Volume=4.876 af Outflow=6.05 cfs @ 12.85 hrs, Volume=4.876 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)6 5 4 3 2 1 0 Inflow Area=49.840 ac 6.05 cfs 6.05 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 26 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D1: DISCHARGE 1 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =41.000 ac, Inflow Depth > 1.18" for 2 YR event Inflow=4.28 cfs @ 14.21 hrs, Volume=4.045 af Outflow=4.28 cfs @ 14.21 hrs, Volume=4.045 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=41.000 ac 4.28 cfs 4.28 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 27 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D2: DISCHARGE 2 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =7.560 ac, Inflow Depth > 1.17" for 2 YR event Inflow=2.16 cfs @ 12.20 hrs, Volume=0.736 af Outflow=2.16 cfs @ 12.20 hrs, Volume=0.736 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)2 1 0 Inflow Area=7.560 ac 2.16 cfs 2.16 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 28 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D3: DISCHARGE 3 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =1.280 ac, Inflow Depth = 0.88" for 2 YR event Inflow=1.09 cfs @ 12.17 hrs, Volume=0.094 af Outflow=1.09 cfs @ 12.17 hrs, Volume=0.094 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=1.280 ac 1.09 cfs 1.09 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 29 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D4: FT DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =25.160 ac, Inflow Depth > 1.25" for 2 YR event Inflow=4.12 cfs @ 12.22 hrs, Volume=2.621 af Outflow=4.12 cfs @ 12.22 hrs, Volume=2.621 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 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=25.160 ac 4.12 cfs 4.12 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 30 Prepared by Kallio Engineering LLC 6/9/2013 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=897.43' (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 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4C: POND C Inflow Area =7.470 ac, Inflow Depth = 1.29" for 2 YR event Inflow=11.96 cfs @ 12.08 hrs, Volume=0.801 af Outflow=6.33 cfs @ 12.25 hrs, Volume=0.800 af, Atten= 47%, Lag= 10.1 min Primary=6.33 cfs @ 12.25 hrs, Volume=0.800 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 898.69' @ 12.25 hrs Surf.Area= 0.156 ac Storage= 0.215 af Plug-Flow detention time= 78.4 min calculated for 0.799 af (100% of inflow)Center-of-Mass det. time= 80.2 min ( 924.5 - 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=6.17 cfs @ 12.25 hrs HW=898.66' TW=897.50' (Dynamic Tailwater)1=Culvert (Barrel Controls 6.17 cfs @ 4.1 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)13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=7.470 ac Peak Elev=898.69'Storage=0.215 af 18.0" x 35.0' Culvert 11.96 cfs 6.33 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 32 Prepared by Kallio Engineering LLC 6/9/2013 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 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4P: Ag Urban Wet Inflow Area =22.050 ac, Inflow Depth = 1.29" for 2 YR event Inflow=25.64 cfs @ 12.08 hrs, Volume=2.364 af Outflow=2.95 cfs @ 13.26 hrs, Volume=2.288 af, Atten= 89%, Lag= 71.0 min Primary=2.95 cfs @ 13.26 hrs, Volume=2.288 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 897.79' @ 13.26 hrs Surf.Area= 1.342 ac Storage= 1.149 af Plug-Flow detention time= 404.3 min calculated for 2.288 af (97% of inflow)Center-of-Mass det. time= 379.9 min ( 1,252.6 - 872.7 )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=2.95 cfs @ 13.26 hrs HW=897.79' TW=0.00' (Dynamic Tailwater)3=Culvert (Passes 2.95 cfs of 18.01 cfs potential flow)2=Culvert (Passes 2.95 cfs of 5.91 cfs potential flow)1=Culvert (Inlet Controls 2.95 cfs @ 3.2 fps) Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 34 Prepared by Kallio Engineering LLC 6/9/2013 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=22.050 ac Peak Elev=897.79'Storage=1.149 af 25.64 cfs 2.95 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 35 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P1: WEST POND Inflow Area =1.530 ac, Inflow Depth = 1.27" for 2 YR event Inflow=2.56 cfs @ 12.03 hrs, Volume=0.162 af Outflow=1.07 cfs @ 12.23 hrs, Volume=0.161 af, Atten= 58%, Lag= 12.2 min Primary=1.07 cfs @ 12.23 hrs, Volume=0.161 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 892.74' @ 12.23 hrs Surf.Area= 0.074 ac Storage= 0.049 af Plug-Flow detention time= 64.9 min calculated for 0.161 af (100% of inflow)Center-of-Mass det. time= 66.5 min ( 905.5 - 839.0 )VolumeInvertAvail.StorageStorage Description #1892.00'0.269 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)892.000.060187.00.0000.0000.060 893.000.080212.00.0700.0700.079 894.000.100237.00.0900.1600.100 895.000.120257.00.1100.2690.119 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=1.05 cfs @ 12.23 hrs HW=892.73' TW=889.54' (Dynamic Tailwater)3=Culvert (Passes 1.05 cfs of 1.53 cfs potential flow)1=Orifice/Grate (Orifice Controls 1.05 cfs @ 3.0 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 6/9/2013 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=1.530 ac Peak Elev=892.74'Storage=0.049 af 2.56 cfs 1.07 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 37 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P2: EAST POND Inflow Area =6.420 ac, Inflow Depth = 1.21" for 2 YR event Inflow=7.09 cfs @ 12.07 hrs, Volume=0.649 af Outflow=1.78 cfs @ 12.73 hrs, Volume=0.642 af, Atten= 75%, Lag= 39.2 min Primary=1.78 cfs @ 12.73 hrs, Volume=0.642 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 894.78' @ 12.73 hrs Surf.Area= 0.339 ac Storage= 0.249 af Plug-Flow detention time= 187.9 min calculated for 0.642 af (99% of inflow)Center-of-Mass det. time= 181.5 min ( 1,036.3 - 854.9 )VolumeInvertAvail.StorageStorage Description #1894.00'1.169 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)894.000.300449.00.0000.0000.300 895.000.350479.00.3250.3250.352 896.000.420617.00.3840.7090.629 897.000.500660.00.4591.1690.730 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=1.78 cfs @ 12.73 hrs HW=894.78' TW=0.00' (Dynamic Tailwater)1=Culvert (Barrel Controls 1.78 cfs @ 3.1 fps)Pond P2: 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=6.420 ac Peak Elev=894.78'Storage=0.249 af 15.0" x 20.0' Culvert 7.09 cfs 1.78 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 38 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W1.1: WETLAND Inflow Area =41.000 ac, Inflow Depth > 1.19" for 2 YR event Inflow=19.39 cfs @ 12.13 hrs, Volume=4.077 af Outflow=4.28 cfs @ 14.21 hrs, Volume=4.045 af, Atten= 78%, Lag= 124.8 min Primary=4.28 cfs @ 14.21 hrs, Volume=4.045 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 890.02' @ 14.21 hrs Surf.Area= 0.664 ac Storage= 0.879 af Plug-Flow detention time= 168.5 min calculated for 4.045 af (99% of inflow)Center-of-Mass det. time= 147.4 min ( 1,239.8 - 1,092.5 )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=4.28 cfs @ 14.21 hrs HW=890.02' TW=0.00' (Dynamic Tailwater)1=Culvert (Barrel Controls 4.28 cfs @ 5.5 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)21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=41.000 ac Peak Elev=890.02'Storage=0.879 af 19.39 cfs 4.28 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 39 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W1.2: WETLAND Inflow Area =27.440 ac, Inflow Depth > 1.25" for 2 YR event Inflow=5.93 cfs @ 12.22 hrs, Volume=2.848 af Outflow=4.92 cfs @ 12.23 hrs, Volume=2.848 af, Atten= 17%, Lag= 0.7 min Primary=4.92 cfs @ 12.23 hrs, Volume=2.848 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 890.08' @ 14.16 hrs Surf.Area= 0.146 ac Storage= 0.081 af Plug-Flow detention time= 10.8 min calculated for 2.848 af (100% of inflow)Center-of-Mass det. time= 10.8 min ( 1,193.6 - 1,182.8 )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=3.16 cfs @ 12.23 hrs HW=889.54' TW=889.34' (Dynamic Tailwater)1=Culvert (Outlet Controls 3.16 cfs @ 2.1 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=27.440 ac Peak Elev=890.08'Storage=0.081 af 30.0" x 110.0' Culvert 5.93 cfs 4.92 cfs Type II 24-hr 2 YR Rainfall=2.80"1237 Post-Development Page 40 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W2: WETLAND Inflow Area =2.050 ac, Inflow Depth = 0.93" for 2 YR event Inflow=1.36 cfs @ 12.35 hrs, Volume=0.160 af Outflow=1.22 cfs @ 12.48 hrs, Volume=0.160 af, Atten= 11%, Lag= 8.1 min Primary=1.22 cfs @ 12.48 hrs, Volume=0.160 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= 0.110 ac Storage= 0.017 af Plug-Flow detention time= 17.6 min calculated for 0.159 af (100% of inflow)Center-of-Mass det. time= 17.9 min ( 902.7 - 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=1.21 cfs @ 12.48 hrs HW=896.29' TW=894.75' (Dynamic Tailwater)1=Custom Weir/Orifice (Weir Controls 1.21 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=2.050 ac Peak Elev=896.29'Storage=0.017 af 1.36 cfs 1.22 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 41 Prepared by Kallio Engineering LLC 6/9/2013 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=6.610 ac Runoff Depth=2.46"Subcatchment FT4.4: FT4.4 Flow Length=530' Tc=14.4 min CN=83 Runoff=20.34 cfs 1.355 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=9.140 ac Runoff Depth=2.21"Subcatchment FT5.1: FT5.1 Flow Length=980' Tc=20.3 min CN=80 Runoff=21.74 cfs 1.682 af Runoff Area=3.120 ac Runoff Depth=2.05"Subcatchment S1.1: S1.1 Flow Length=340' Tc=16.7 min CN=78 Runoff=7.62 cfs 0.532 af Runoff Area=1.100 ac Runoff Depth=2.21"Subcatchment S1.1A: S1.1A Flow Length=110' Tc=6.8 min CN=80 Runoff=3.90 cfs 0.202 af Runoff Area=0.200 ac Runoff Depth=3.21"Subcatchment S1.2: S1.2 Flow Length=510' Tc=6.3 min CN=91 Runoff=0.97 cfs 0.053 af Runoff Area=0.810 ac Runoff Depth=2.82"Subcatchment S1.3: S1.3 Flow Length=280' Tc=10.3 min CN=87 Runoff=3.23 cfs 0.190 af Runoff Area=0.720 ac Runoff Depth=1.97"Subcatchment S1.4: S1.4 Flow Length=220' Tc=14.0 min CN=77 Runoff=1.79 cfs 0.118 af Runoff Area=0.750 ac Runoff Depth=2.13"Subcatchment S1.5: S1.5 Flow Length=230' Tc=23.2 min CN=79 Runoff=1.58 cfs 0.133 af Runoff Area=1.140 ac Runoff Depth=2.05"Subcatchment S2.1: S2.1 Flow Length=160' Tc=16.7 min CN=78 Runoff=2.78 cfs 0.195 af Runoff Area=0.740 ac Runoff Depth=2.46"Subcatchment S2.2: S2.2 Flow Length=130' Tc=7.9 min CN=83 Runoff=2.84 cfs 0.152 af Runoff Area=2.050 ac Runoff Depth=1.97"Subcatchment S2.3: S2.3 Flow Length=620' Tc=36.1 min CN=77 Runoff=3.04 cfs 0.336 af Runoff Area=0.760 ac Runoff Depth=1.82"Subcatchment S2.4: S2.4 Flow Length=310' Tc=15.1 min CN=75 Runoff=1.70 cfs 0.115 af Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 42 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Runoff Area=2.870 ac Runoff Depth=2.73"Subcatchment S2.5: S2.5 Flow Length=270' Tc=16.0 min CN=86 Runoff=9.42 cfs 0.652 af Runoff Area=1.280 ac Runoff Depth=1.89"Subcatchment S3.1: S3.1 Flow Length=290' Tc=21.6 min CN=76 Runoff=2.47 cfs 0.202 af Inflow=12.75 cfs 9.602 af Reach D: TOTAL DISCHARGE Outflow=12.75 cfs 9.602 af Inflow=6.10 cfs 7.956 af Reach D1: DISCHARGE 1 Outflow=6.10 cfs 7.956 af Inflow=5.55 cfs 1.444 af Reach D2: DISCHARGE 2 Outflow=5.55 cfs 1.444 af Inflow=2.47 cfs 0.202 af Reach D3: DISCHARGE 3 Outflow=2.47 cfs 0.202 af Inflow=10.28 cfs 5.078 af Reach D4: FT DISCHARGE Outflow=10.28 cfs 5.078 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=899.82' Storage=0.409 af Inflow=22.83 cfs 1.532 af Pond 4C: POND C 18.0" x 35.0' Culvert Outflow=11.48 cfs 1.530 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=898.57' Storage=2.256 af Inflow=47.97 cfs 4.520 af Pond 4P: Ag Urban Wet Outflow=6.00 cfs 4.441 af Peak Elev=893.35' Storage=0.099 af Inflow=4.88 cfs 0.309 af Pond P1: WEST POND Outflow=1.70 cfs 0.308 af Peak Elev=895.38' Storage=0.463 af Inflow=13.72 cfs 1.256 af Pond P2: EAST POND 15.0" x 20.0' Culvert Outflow=4.34 cfs 1.249 af Peak Elev=891.20' Storage=2.259 af Inflow=39.20 cfs 7.989 af Pond W1.1: WETLAND Outflow=6.10 cfs 7.956 af Peak Elev=891.25' Storage=0.412 af Inflow=13.53 cfs 5.519 af Pond W1.2: WETLAND 30.0" x 110.0' Culvert Outflow=8.43 cfs 5.519 af Peak Elev=896.40' Storage=0.030 af Inflow=3.04 cfs 0.336 af Pond W2: WETLAND Outflow=2.84 cfs 0.336 af Total Runoff Area = 49.840 ac Runoff Volume = 9.723 af Average Runoff Depth = 2.34" Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 43 Prepared by Kallio Engineering LLC 6/9/2013 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 44 Prepared by Kallio Engineering LLC 6/9/2013 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 45 Prepared by Kallio Engineering LLC 6/9/2013 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 46 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.4: FT4.4 Runoff=20.34 cfs @ 12.07 hrs, Volume=1.355 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 6.610831/4 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)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=6.610 ac Runoff Volume=1.355 af Runoff Depth=2.46"Flow Length=530'Tc=14.4 min CN=83 20.34 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 47 Prepared by Kallio Engineering LLC 6/9/2013 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 48 Prepared by Kallio Engineering LLC 6/9/2013 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 49 Prepared by Kallio Engineering LLC 6/9/2013 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 50 Prepared by Kallio Engineering LLC 6/9/2013 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 51 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT5.1: FT5.1 Runoff=21.74 cfs @ 12.13 hrs, Volume=1.682 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 9.140801/4 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)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=9.140 ac Runoff Volume=1.682 af Runoff Depth=2.21"Flow Length=980'Tc=20.3 min CN=80 21.74 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 52 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.1: S1.1 Runoff=7.62 cfs @ 12.10 hrs, Volume=0.532 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 0.78074>75% Grass cover, Good, HSG C 0.06098Paved parking & roofs 2.28079Woods/grass comb., Good, HSG D 3.12078Weighted 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)8 7 6 5 4 3 2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=3.120 ac Runoff Volume=0.532 af Runoff Depth=2.05"Flow Length=340'Tc=16.7 min CN=78 7.62 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 53 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.1A: S1.1A [49] Hint: Tc<2dt may require smaller dt Runoff=3.90 cfs @ 11.98 hrs, Volume=0.202 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 0.52074>75% Grass cover, Good, HSG C 0.18098Paved parking & roofs 0.40079Woods/grass comb., Good, HSG D 1.10080Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)6.81100.07000.3 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"Subcatchment S1.1A: S1.1A 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=1.100 ac Runoff Volume=0.202 af Runoff Depth=2.21"Flow Length=110'Tc=6.8 min CN=80 3.90 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 54 Prepared by Kallio Engineering LLC 6/9/2013 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=0.97 cfs @ 11.97 hrs, Volume=0.053 af, Depth=3.21"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 0.06074>75% Grass cover, Good, HSG C 0.14098Paved parking & roofs 0.20091Weighted 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=0.200 ac Runoff Volume=0.053 af Runoff Depth=3.21"Flow Length=510'Tc=6.3 min CN=91 0.97 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 55 Prepared by Kallio Engineering LLC 6/9/2013 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=3.23 cfs @ 12.01 hrs, Volume=0.190 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 0.37074>75% Grass cover, Good, HSG C 0.44098Paved parking & roofs 0.81087Weighted 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=0.810 ac Runoff Volume=0.190 af Runoff Depth=2.82"Flow Length=280'Tc=10.3 min CN=87 3.23 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 56 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.4: S1.4 Runoff=1.79 cfs @ 12.07 hrs, Volume=0.118 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 0.08098Paved parking & roofs 0.72077Weighted 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=0.720 ac Runoff Volume=0.118 af Runoff Depth=1.97"Flow Length=220'Tc=14.0 min CN=77 1.79 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 57 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.5: S1.5 Runoff=1.58 cfs @ 12.17 hrs, Volume=0.133 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 0.75079Woods/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=0.750 ac Runoff Volume=0.133 af Runoff Depth=2.13"Flow Length=230'Tc=23.2 min CN=79 1.58 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 58 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.1: S2.1 Runoff=2.78 cfs @ 12.10 hrs, Volume=0.195 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 0.70074>75% Grass cover, Good, HSG C 0.14098Paved parking & roofs 0.30079Woods/grass comb., Good, HSG D 1.14078Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.9800.15000.3 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"12.8800.02000.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"16.7160Total 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 10 YR Rainfall=4.20"Runoff Area=1.140 ac Runoff Volume=0.195 af Runoff Depth=2.05"Flow Length=160'Tc=16.7 min CN=78 2.78 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 59 Prepared by Kallio Engineering LLC 6/9/2013 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=2.84 cfs @ 11.99 hrs, Volume=0.152 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 0.37074>75% Grass cover, Good, HSG C 0.27098Paved parking & roofs 0.10079Woods/grass comb., Good, HSG D 0.74083Weighted 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=0.740 ac Runoff Volume=0.152 af Runoff Depth=2.46"Flow Length=130'Tc=7.9 min CN=83 2.84 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 60 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.3: S2.3 Runoff=3.04 cfs @ 12.33 hrs, Volume=0.336 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 1.17074>75% Grass cover, Good, HSG C 0.04098Paved parking & roofs 0.84079Woods/grass comb., Good, HSG D 2.05077Weighted 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=2.050 ac Runoff Volume=0.336 af Runoff Depth=1.97"Flow Length=620'Tc=36.1 min CN=77 3.04 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 61 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.4: S2.4 Runoff=1.70 cfs @ 12.08 hrs, Volume=0.115 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 0.73074>75% Grass cover, Good, HSG C 0.03098Paved parking & roofs 0.76075Weighted 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)1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=0.760 ac Runoff Volume=0.115 af Runoff Depth=1.82"Flow Length=310'Tc=15.1 min CN=75 1.70 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 62 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.5: S2.5 Runoff=9.42 cfs @ 12.08 hrs, Volume=0.652 af, Depth=2.73"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 1.47074>75% Grass cover, Good, HSG C 1.40098Paved parking & roofs 2.87086Weighted 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)10 9 8 7 6 5 4 3 2 1 0 Type II 24-hr 10 YR Rainfall=4.20"Runoff Area=2.870 ac Runoff Volume=0.652 af Runoff Depth=2.73"Flow Length=270'Tc=16.0 min CN=86 9.42 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 63 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S3.1: S3.1 Runoff=2.47 cfs @ 12.15 hrs, Volume=0.202 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 0.40079Woods/grass comb., Good, HSG D 0.88074>75% Grass cover, Good, HSG C 1.28076Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)19.22000.04500.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"2.4900.01500.6 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 21.6290Total 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=1.280 ac Runoff Volume=0.202 af Runoff Depth=1.89"Flow Length=290'Tc=21.6 min CN=76 2.47 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 64 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D: TOTAL DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =49.840 ac, Inflow Depth > 2.31" for 10 YR event Inflow=12.75 cfs @ 12.21 hrs, Volume=9.602 af Outflow=12.75 cfs @ 12.21 hrs, Volume=9.602 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=49.840 ac 12.75 cfs 12.75 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 65 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D1: DISCHARGE 1 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =41.000 ac, Inflow Depth > 2.33" for 10 YR event Inflow=6.10 cfs @ 16.52 hrs, Volume=7.956 af Outflow=6.10 cfs @ 16.52 hrs, Volume=7.956 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=41.000 ac 6.10 cfs 6.10 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 66 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D2: DISCHARGE 2 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =7.560 ac, Inflow Depth > 2.29" for 10 YR event Inflow=5.55 cfs @ 12.19 hrs, Volume=1.444 af Outflow=5.55 cfs @ 12.19 hrs, Volume=1.444 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=7.560 ac 5.55 cfs 5.55 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 67 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D3: DISCHARGE 3 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =1.280 ac, Inflow Depth = 1.89" for 10 YR event Inflow=2.47 cfs @ 12.15 hrs, Volume=0.202 af Outflow=2.47 cfs @ 12.15 hrs, Volume=0.202 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=1.280 ac 2.47 cfs 2.47 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 68 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D4: FT DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =25.160 ac, Inflow Depth > 2.42" for 10 YR event Inflow=10.28 cfs @ 12.19 hrs, Volume=5.078 af Outflow=10.28 cfs @ 12.19 hrs, Volume=5.078 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=25.160 ac 10.28 cfs 10.28 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 69 Prepared by Kallio Engineering LLC 6/9/2013 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=898.10' (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 70 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4C: POND C Inflow Area =7.470 ac, Inflow Depth = 2.46" for 10 YR event Inflow=22.83 cfs @ 12.07 hrs, Volume=1.532 af Outflow=11.48 cfs @ 12.24 hrs, Volume=1.530 af, Atten= 50%, Lag= 10.0 min Primary=11.48 cfs @ 12.24 hrs, Volume=1.530 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 899.82' @ 12.25 hrs Surf.Area= 0.185 ac Storage= 0.409 af Plug-Flow detention time= 78.0 min calculated for 1.530 af (100% of inflow)Center-of-Mass det. time= 77.1 min ( 902.7 - 825.7 )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=10.94 cfs @ 12.24 hrs HW=899.78' TW=898.12' (Dynamic Tailwater)1=Culvert (Inlet Controls 10.94 cfs @ 6.2 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)24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=7.470 ac Peak Elev=899.82'Storage=0.409 af 18.0" x 35.0' Culvert 22.83 cfs 11.48 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 71 Prepared by Kallio Engineering LLC 6/9/2013 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 72 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4P: Ag Urban Wet Inflow Area =22.050 ac, Inflow Depth = 2.46" for 10 YR event Inflow=47.97 cfs @ 12.06 hrs, Volume=4.520 af Outflow=6.00 cfs @ 13.05 hrs, Volume=4.441 af, Atten= 87%, Lag= 59.7 min Primary=6.00 cfs @ 13.05 hrs, Volume=4.441 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 898.57' @ 13.05 hrs Surf.Area= 1.546 ac Storage= 2.256 af Plug-Flow detention time= 324.2 min calculated for 4.441 af (98% of inflow)Center-of-Mass det. time= 309.6 min ( 1,162.4 - 852.9 )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=6.00 cfs @ 13.05 hrs HW=898.57' TW=0.00' (Dynamic Tailwater)3=Culvert (Passes 6.00 cfs of 19.51 cfs potential flow)2=Culvert (Passes 6.00 cfs of 8.77 cfs potential flow)1=Culvert (Inlet Controls 6.00 cfs @ 4.9 fps) Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 73 Prepared by Kallio Engineering LLC 6/9/2013 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=22.050 ac Peak Elev=898.57'Storage=2.256 af 47.97 cfs 6.00 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 74 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P1: WEST POND Inflow Area =1.530 ac, Inflow Depth = 2.42" for 10 YR event Inflow=4.88 cfs @ 12.02 hrs, Volume=0.309 af Outflow=1.70 cfs @ 12.25 hrs, Volume=0.308 af, Atten= 65%, Lag= 13.5 min Primary=1.70 cfs @ 12.25 hrs, Volume=0.308 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 893.35' @ 12.25 hrs Surf.Area= 0.087 ac Storage= 0.099 af Plug-Flow detention time= 53.7 min calculated for 0.308 af (100% of inflow)Center-of-Mass det. time= 55.3 min ( 876.8 - 821.6 )VolumeInvertAvail.StorageStorage Description #1892.00'0.269 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)892.000.060187.00.0000.0000.060 893.000.080212.00.0700.0700.079 894.000.100237.00.0900.1600.100 895.000.120257.00.1100.2690.119 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=1.68 cfs @ 12.25 hrs HW=893.33' TW=890.32' (Dynamic Tailwater)3=Culvert (Passes 1.68 cfs of 3.23 cfs potential flow)1=Orifice/Grate (Orifice Controls 1.68 cfs @ 4.8 fps)2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 75 Prepared by Kallio Engineering LLC 6/9/2013 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=1.530 ac Peak Elev=893.35'Storage=0.099 af 4.88 cfs 1.70 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 76 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P2: EAST POND Inflow Area =6.420 ac, Inflow Depth = 2.35" for 10 YR event Inflow=13.72 cfs @ 12.07 hrs, Volume=1.256 af Outflow=4.34 cfs @ 12.60 hrs, Volume=1.249 af, Atten= 68%, Lag= 31.6 min Primary=4.34 cfs @ 12.60 hrs, Volume=1.249 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 895.38' @ 12.60 hrs Surf.Area= 0.376 ac Storage= 0.463 af Plug-Flow detention time= 137.7 min calculated for 1.249 af (99% of inflow)Center-of-Mass det. time= 134.2 min ( 970.6 - 836.4 )VolumeInvertAvail.StorageStorage Description #1894.00'1.169 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)894.000.300449.00.0000.0000.300 895.000.350479.00.3250.3250.352 896.000.420617.00.3840.7090.629 897.000.500660.00.4591.1690.730 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=4.33 cfs @ 12.60 hrs HW=895.38' TW=0.00' (Dynamic Tailwater)1=Culvert (Barrel Controls 4.33 cfs @ 4.0 fps)Pond P2: 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)15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=6.420 ac Peak Elev=895.38'Storage=0.463 af 15.0" x 20.0' Culvert 13.72 cfs 4.34 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 77 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W1.1: WETLAND [80] Warning: Exceeded Pond W1.2 by 0.04' @ 12.20 hrs (3.14 cfs 0.056 af) Inflow Area =41.000 ac, Inflow Depth > 2.34" for 10 YR event Inflow=39.20 cfs @ 12.12 hrs, Volume=7.989 af Outflow=6.10 cfs @ 16.52 hrs, Volume=7.956 af, Atten= 84%, Lag= 264.2 min Primary=6.10 cfs @ 16.52 hrs, Volume=7.956 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 891.20' @ 16.52 hrs Surf.Area= 1.757 ac Storage= 2.259 af Plug-Flow detention time= 224.6 min calculated for 7.956 af (100% of inflow)Center-of-Mass det. time= 213.2 min ( 1,266.6 - 1,053.4 )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=6.10 cfs @ 16.52 hrs HW=891.20' TW=0.00' (Dynamic Tailwater)1=Culvert (Inlet Controls 6.10 cfs @ 7.8 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=41.000 ac Peak Elev=891.20'Storage=2.259 af 39.20 cfs 6.10 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 78 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W1.2: WETLAND Inflow Area =27.440 ac, Inflow Depth > 2.41" for 10 YR event Inflow=13.53 cfs @ 12.19 hrs, Volume=5.519 af Outflow=8.43 cfs @ 12.17 hrs, Volume=5.519 af, Atten= 38%, Lag= 0.0 min Primary=8.43 cfs @ 12.17 hrs, Volume=5.519 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 891.25' @ 16.34 hrs Surf.Area= 0.452 ac Storage= 0.412 af Plug-Flow detention time= 45.2 min calculated for 5.519 af (100% of inflow)Center-of-Mass det. time= 45.2 min ( 1,149.7 - 1,104.6 )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 @ 12.17 hrs HW=890.11' TW=890.12' (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)15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=27.440 ac Peak Elev=891.25'Storage=0.412 af 30.0" x 110.0' Culvert 13.53 cfs 8.43 cfs Type II 24-hr 10 YR Rainfall=4.20"1237 Post-Development Page 79 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W2: WETLAND Inflow Area =2.050 ac, Inflow Depth = 1.97" for 10 YR event Inflow=3.04 cfs @ 12.33 hrs, Volume=0.336 af Outflow=2.84 cfs @ 12.43 hrs, Volume=0.336 af, Atten= 7%, Lag= 6.1 min Primary=2.84 cfs @ 12.43 hrs, Volume=0.336 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= 0.132 ac Storage= 0.030 af Plug-Flow detention time= 15.7 min calculated for 0.336 af (100% of inflow)Center-of-Mass det. time= 14.0 min ( 876.7 - 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=2.79 cfs @ 12.43 hrs HW=896.40' TW=895.35' (Dynamic Tailwater)1=Custom Weir/Orifice (Weir Controls 2.79 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=2.050 ac Peak Elev=896.40'Storage=0.030 af 3.04 cfs 2.84 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 80 Prepared by Kallio Engineering LLC 6/9/2013 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=6.610 ac Runoff Depth=4.09"Subcatchment FT4.4: FT4.4 Flow Length=530' Tc=14.4 min CN=83 Runoff=33.31 cfs 2.254 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=9.140 ac Runoff Depth=3.78"Subcatchment FT5.1: FT5.1 Flow Length=980' Tc=20.3 min CN=80 Runoff=37.18 cfs 2.880 af Runoff Area=3.120 ac Runoff Depth=3.58"Subcatchment S1.1: S1.1 Flow Length=340' Tc=16.7 min CN=78 Runoff=13.31 cfs 0.931 af Runoff Area=1.100 ac Runoff Depth=3.78"Subcatchment S1.1A: S1.1A Flow Length=110' Tc=6.8 min CN=80 Runoff=6.55 cfs 0.347 af Runoff Area=0.200 ac Runoff Depth=4.96"Subcatchment S1.2: S1.2 Flow Length=510' Tc=6.3 min CN=91 Runoff=1.46 cfs 0.083 af Runoff Area=0.810 ac Runoff Depth=4.52"Subcatchment S1.3: S1.3 Flow Length=280' Tc=10.3 min CN=87 Runoff=5.06 cfs 0.305 af Runoff Area=0.720 ac Runoff Depth=3.48"Subcatchment S1.4: S1.4 Flow Length=220' Tc=14.0 min CN=77 Runoff=3.15 cfs 0.209 af Runoff Area=0.750 ac Runoff Depth=3.68"Subcatchment S1.5: S1.5 Flow Length=230' Tc=23.2 min CN=79 Runoff=2.74 cfs 0.230 af Runoff Area=1.140 ac Runoff Depth=3.58"Subcatchment S2.1: S2.1 Flow Length=160' Tc=16.7 min CN=78 Runoff=4.86 cfs 0.340 af Runoff Area=0.740 ac Runoff Depth=4.09"Subcatchment S2.2: S2.2 Flow Length=130' Tc=7.9 min CN=83 Runoff=4.62 cfs 0.252 af Runoff Area=2.050 ac Runoff Depth=3.48"Subcatchment S2.3: S2.3 Flow Length=620' Tc=36.1 min CN=77 Runoff=5.44 cfs 0.594 af Runoff Area=0.760 ac Runoff Depth=3.28"Subcatchment S2.4: S2.4 Flow Length=310' Tc=15.1 min CN=75 Runoff=3.09 cfs 0.208 af Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 81 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Runoff Area=2.870 ac Runoff Depth=4.41"Subcatchment S2.5: S2.5 Flow Length=270' Tc=16.0 min CN=86 Runoff=14.94 cfs 1.055 af Runoff Area=1.280 ac Runoff Depth=3.38"Subcatchment S3.1: S3.1 Flow Length=290' Tc=21.6 min CN=76 Runoff=4.49 cfs 0.361 af Inflow=19.93 cfs 16.244 af Reach D: TOTAL DISCHARGE Outflow=19.93 cfs 16.244 af Inflow=12.94 cfs 13.442 af Reach D1: DISCHARGE 1 Outflow=12.94 cfs 13.442 af Inflow=10.07 cfs 2.442 af Reach D2: DISCHARGE 2 Outflow=10.07 cfs 2.442 af Inflow=4.49 cfs 0.361 af Reach D3: DISCHARGE 3 Outflow=4.49 cfs 0.361 af Inflow=17.42 cfs 8.493 af Reach D4: FT DISCHARGE Outflow=17.42 cfs 8.493 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=901.32' Storage=0.734 af Inflow=37.40 cfs 2.547 af Pond 4C: POND C 18.0" x 35.0' Culvert Outflow=13.90 cfs 2.545 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=899.53' Storage=3.908 af Inflow=76.67 cfs 7.516 af Pond 4P: Ag Urban Wet Outflow=8.35 cfs 7.433 af Peak Elev=894.04' Storage=0.163 af Inflow=8.02 cfs 0.514 af Pond P1: WEST POND Outflow=3.77 cfs 0.513 af Peak Elev=896.16' Storage=0.779 af Inflow=22.75 cfs 2.109 af Pond P2: EAST POND 15.0" x 20.0' Culvert Outflow=7.20 cfs 2.102 af Peak Elev=891.66' Storage=3.187 af Inflow=63.64 cfs 13.476 af Pond W1.1: WETLAND Outflow=12.94 cfs 13.442 af Peak Elev=891.84' Storage=0.743 af Inflow=23.26 cfs 9.236 af Pond W1.2: WETLAND 30.0" x 110.0' Culvert Outflow=10.54 cfs 9.236 af Peak Elev=896.51' Storage=0.046 af Inflow=5.44 cfs 0.594 af Pond W2: WETLAND Outflow=5.16 cfs 0.594 af Total Runoff Area = 49.840 ac Runoff Volume = 16.371 af Average Runoff Depth = 3.94" Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 82 Prepared by Kallio Engineering LLC 6/9/2013 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 83 Prepared by Kallio Engineering LLC 6/9/2013 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 84 Prepared by Kallio Engineering LLC 6/9/2013 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 85 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT4.4: FT4.4 Runoff=33.31 cfs @ 12.06 hrs, Volume=2.254 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 6.610831/4 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)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=6.610 ac Runoff Volume=2.254 af Runoff Depth=4.09"Flow Length=530'Tc=14.4 min CN=83 33.31 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 86 Prepared by Kallio Engineering LLC 6/9/2013 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 87 Prepared by Kallio Engineering LLC 6/9/2013 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 88 Prepared by Kallio Engineering LLC 6/9/2013 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 89 Prepared by Kallio Engineering LLC 6/9/2013 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 90 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment FT5.1: FT5.1 Runoff=37.18 cfs @ 12.13 hrs, Volume=2.880 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 9.140801/4 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)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=9.140 ac Runoff Volume=2.880 af Runoff Depth=3.78"Flow Length=980'Tc=20.3 min CN=80 37.18 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 91 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.1: S1.1 Runoff=13.31 cfs @ 12.09 hrs, Volume=0.931 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 0.78074>75% Grass cover, Good, HSG C 0.06098Paved parking & roofs 2.28079Woods/grass comb., Good, HSG D 3.12078Weighted 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)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=3.120 ac Runoff Volume=0.931 af Runoff Depth=3.58"Flow Length=340'Tc=16.7 min CN=78 13.31 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 92 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.1A: S1.1A [49] Hint: Tc<2dt may require smaller dt Runoff=6.55 cfs @ 11.98 hrs, Volume=0.347 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 0.52074>75% Grass cover, Good, HSG C 0.18098Paved parking & roofs 0.40079Woods/grass comb., Good, HSG D 1.10080Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)6.81100.07000.3 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"Subcatchment S1.1A: S1.1A 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 100 YR Rainfall=6.00"Runoff Area=1.100 ac Runoff Volume=0.347 af Runoff Depth=3.78"Flow Length=110'Tc=6.8 min CN=80 6.55 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 93 Prepared by Kallio Engineering LLC 6/9/2013 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=1.46 cfs @ 11.97 hrs, Volume=0.083 af, Depth=4.96"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 0.06074>75% Grass cover, Good, HSG C 0.14098Paved parking & roofs 0.20091Weighted 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=0.200 ac Runoff Volume=0.083 af Runoff Depth=4.96"Flow Length=510'Tc=6.3 min CN=91 1.46 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 94 Prepared by Kallio Engineering LLC 6/9/2013 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=5.06 cfs @ 12.01 hrs, Volume=0.305 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 0.37074>75% Grass cover, Good, HSG C 0.44098Paved parking & roofs 0.81087Weighted 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=0.810 ac Runoff Volume=0.305 af Runoff Depth=4.52"Flow Length=280'Tc=10.3 min CN=87 5.06 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 95 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.4: S1.4 Runoff=3.15 cfs @ 12.06 hrs, Volume=0.209 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 0.08098Paved parking & roofs 0.72077Weighted 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=0.720 ac Runoff Volume=0.209 af Runoff Depth=3.48"Flow Length=220'Tc=14.0 min CN=77 3.15 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 96 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.5: S1.5 Runoff=2.74 cfs @ 12.17 hrs, Volume=0.230 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 0.75079Woods/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)3 2 1 0 Type II 24-hr 100 YR Rainfall=6.00"Runoff Area=0.750 ac Runoff Volume=0.230 af Runoff Depth=3.68"Flow Length=230'Tc=23.2 min CN=79 2.74 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 97 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.1: S2.1 Runoff=4.86 cfs @ 12.09 hrs, Volume=0.340 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 0.70074>75% Grass cover, Good, HSG C 0.14098Paved parking & roofs 0.30079Woods/grass comb., Good, HSG D 1.14078Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)3.9800.15000.3 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"12.8800.02000.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"16.7160Total 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 100 YR Rainfall=6.00"Runoff Area=1.140 ac Runoff Volume=0.340 af Runoff Depth=3.58"Flow Length=160'Tc=16.7 min CN=78 4.86 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 98 Prepared by Kallio Engineering LLC 6/9/2013 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=4.62 cfs @ 11.99 hrs, Volume=0.252 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 0.37074>75% Grass cover, Good, HSG C 0.27098Paved parking & roofs 0.10079Woods/grass comb., Good, HSG D 0.74083Weighted 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=0.740 ac Runoff Volume=0.252 af Runoff Depth=4.09"Flow Length=130'Tc=7.9 min CN=83 4.62 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 99 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.3: S2.3 Runoff=5.44 cfs @ 12.32 hrs, Volume=0.594 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 1.17074>75% Grass cover, Good, HSG C 0.04098Paved parking & roofs 0.84079Woods/grass comb., Good, HSG D 2.05077Weighted 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=2.050 ac Runoff Volume=0.594 af Runoff Depth=3.48"Flow Length=620'Tc=36.1 min CN=77 5.44 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 100 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.4: S2.4 Runoff=3.09 cfs @ 12.08 hrs, Volume=0.208 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 0.73074>75% Grass cover, Good, HSG C 0.03098Paved parking & roofs 0.76075Weighted 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=0.760 ac Runoff Volume=0.208 af Runoff Depth=3.28"Flow Length=310'Tc=15.1 min CN=75 3.09 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 101 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.5: S2.5 Runoff=14.94 cfs @ 12.08 hrs, Volume=1.055 af, Depth=4.41"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 1.47074>75% Grass cover, Good, HSG C 1.40098Paved parking & roofs 2.87086Weighted 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)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=2.870 ac Runoff Volume=1.055 af Runoff Depth=4.41"Flow Length=270'Tc=16.0 min CN=86 14.94 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 102 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S3.1: S3.1 Runoff=4.49 cfs @ 12.15 hrs, Volume=0.361 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 0.40079Woods/grass comb., Good, HSG D 0.88074>75% Grass cover, Good, HSG C 1.28076Weighted Average TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)19.22000.04500.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"2.4900.01500.6 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 21.6290Total 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=1.280 ac Runoff Volume=0.361 af Runoff Depth=3.38"Flow Length=290'Tc=21.6 min CN=76 4.49 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 103 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D: TOTAL DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =49.840 ac, Inflow Depth > 3.91" for 100 YR event Inflow=19.93 cfs @ 12.16 hrs, Volume=16.244 af Outflow=19.93 cfs @ 12.16 hrs, Volume=16.244 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)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=49.840 ac 19.93 cfs 19.93 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 104 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D1: DISCHARGE 1 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =41.000 ac, Inflow Depth > 3.93" for 100 YR event Inflow=12.94 cfs @ 14.07 hrs, Volume=13.442 af Outflow=12.94 cfs @ 14.07 hrs, Volume=13.442 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)14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=41.000 ac 12.94 cfs 12.94 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 105 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D2: DISCHARGE 2 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =7.560 ac, Inflow Depth > 3.88" for 100 YR event Inflow=10.07 cfs @ 12.14 hrs, Volume=2.442 af Outflow=10.07 cfs @ 12.14 hrs, Volume=2.442 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)11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=7.560 ac 10.07 cfs 10.07 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 106 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D3: DISCHARGE 3 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =1.280 ac, Inflow Depth = 3.38" for 100 YR event Inflow=4.49 cfs @ 12.15 hrs, Volume=0.361 af Outflow=4.49 cfs @ 12.15 hrs, Volume=0.361 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=1.280 ac 4.49 cfs 4.49 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 107 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D4: FT DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =25.160 ac, Inflow Depth > 4.05" for 100 YR event Inflow=17.42 cfs @ 12.14 hrs, Volume=8.493 af Outflow=17.42 cfs @ 12.14 hrs, Volume=8.493 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=25.160 ac 17.42 cfs 17.42 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 108 Prepared by Kallio Engineering LLC 6/9/2013 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=898.91' (Dynamic Tailwater)2=Culvert (Passes 9.96 cfs of 18.90 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 109 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4C: POND C Inflow Area =7.470 ac, Inflow Depth = 4.09" for 100 YR event Inflow=37.40 cfs @ 12.07 hrs, Volume=2.547 af Outflow=13.90 cfs @ 12.21 hrs, Volume=2.545 af, Atten= 63%, Lag= 8.3 min Primary=13.90 cfs @ 12.21 hrs, Volume=2.545 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 901.32' @ 12.31 hrs Surf.Area= 0.254 ac Storage= 0.734 af Plug-Flow detention time= 86.9 min calculated for 2.542 af (100% of inflow)Center-of-Mass det. time= 88.7 min ( 899.9 - 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=13.12 cfs @ 12.21 hrs HW=901.19' TW=898.81' (Dynamic Tailwater)1=Culvert (Inlet Controls 13.12 cfs @ 7.4 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)40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=7.470 ac Peak Elev=901.32'Storage=0.734 af 18.0" x 35.0' Culvert 37.40 cfs 13.90 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 110 Prepared by Kallio Engineering LLC 6/9/2013 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 111 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4P: Ag Urban Wet Inflow Area =22.050 ac, Inflow Depth = 4.09" for 100 YR event Inflow=76.67 cfs @ 12.04 hrs, Volume=7.516 af Outflow=8.35 cfs @ 13.34 hrs, Volume=7.433 af, Atten= 89%, Lag= 77.6 min Primary=8.35 cfs @ 13.34 hrs, Volume=7.433 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 899.53' @ 13.34 hrs Surf.Area= 1.890 ac Storage= 3.908 af Plug-Flow detention time= 320.9 min calculated for 7.423 af (99% of inflow)Center-of-Mass det. time= 314.0 min ( 1,156.5 - 842.5 )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=8.35 cfs @ 13.34 hrs HW=899.53' TW=0.00' (Dynamic Tailwater)3=Culvert (Passes 8.35 cfs of 21.22 cfs potential flow)2=Culvert (Passes 8.35 cfs of 12.59 cfs potential flow)1=Culvert (Inlet Controls 8.35 cfs @ 6.8 fps) Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 112 Prepared by Kallio Engineering LLC 6/9/2013 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=22.050 ac Peak Elev=899.53'Storage=3.908 af 76.67 cfs 8.35 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 113 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P1: WEST POND Inflow Area =1.530 ac, Inflow Depth = 4.03" for 100 YR event Inflow=8.02 cfs @ 12.02 hrs, Volume=0.514 af Outflow=3.77 cfs @ 12.22 hrs, Volume=0.513 af, Atten= 53%, Lag= 12.0 min Primary=3.77 cfs @ 12.22 hrs, Volume=0.513 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 894.04' @ 12.22 hrs Surf.Area= 0.101 ac Storage= 0.163 af Plug-Flow detention time= 51.2 min calculated for 0.513 af (100% of inflow)Center-of-Mass det. time= 50.2 min ( 858.0 - 807.8 )VolumeInvertAvail.StorageStorage Description #1892.00'0.269 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)892.000.060187.00.0000.0000.060 893.000.080212.00.0700.0700.079 894.000.100237.00.0900.1600.100 895.000.120257.00.1100.2690.119 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=3.59 cfs @ 12.22 hrs HW=894.02' TW=890.97' (Dynamic Tailwater)3=Culvert (Passes 3.59 cfs of 4.66 cfs potential flow)1=Orifice/Grate (Orifice Controls 2.18 cfs @ 6.3 fps)2=Broad-Crested Rectangular Weir (Weir Controls 1.41 cfs @ 1.3 fps) Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 114 Prepared by Kallio Engineering LLC 6/9/2013 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)8 7 6 5 4 3 2 1 0 Inflow Area=1.530 ac Peak Elev=894.04'Storage=0.163 af 8.02 cfs 3.77 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 115 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P2: EAST POND Inflow Area =6.420 ac, Inflow Depth = 3.94" for 100 YR event Inflow=22.75 cfs @ 12.07 hrs, Volume=2.109 af Outflow=7.20 cfs @ 12.60 hrs, Volume=2.102 af, Atten= 68%, Lag= 31.6 min Primary=7.20 cfs @ 12.60 hrs, Volume=2.102 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 896.16' @ 12.60 hrs Surf.Area= 0.433 ac Storage= 0.779 af Plug-Flow detention time= 112.7 min calculated for 2.099 af (100% of inflow)Center-of-Mass det. time= 113.6 min ( 935.7 - 822.0 )VolumeInvertAvail.StorageStorage Description #1894.00'1.169 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)894.000.300449.00.0000.0000.300 895.000.350479.00.3250.3250.352 896.000.420617.00.3840.7090.629 897.000.500660.00.4591.1690.730 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=7.20 cfs @ 12.60 hrs HW=896.16' TW=0.00' (Dynamic Tailwater)1=Culvert (Barrel Controls 7.20 cfs @ 5.9 fps)Pond P2: 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)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 Inflow Area=6.420 ac Peak Elev=896.16'Storage=0.779 af 15.0" x 20.0' Culvert 22.75 cfs 7.20 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 116 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W1.1: WETLAND [80] Warning: Exceeded Pond W1.2 by 0.11' @ 12.10 hrs (6.43 cfs 0.183 af) Inflow Area =41.000 ac, Inflow Depth > 3.94" for 100 YR event Inflow=63.64 cfs @ 12.10 hrs, Volume=13.476 af Outflow=12.94 cfs @ 14.07 hrs, Volume=13.442 af, Atten= 80%, Lag= 117.8 min Primary=12.94 cfs @ 14.07 hrs, Volume=13.442 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 891.66' @ 14.07 hrs Surf.Area= 2.320 ac Storage= 3.187 af Plug-Flow detention time= 218.7 min calculated for 13.423 af (100% of inflow)Center-of-Mass det. time= 212.3 min ( 1,261.4 - 1,049.1 )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=12.94 cfs @ 14.07 hrs HW=891.66' TW=0.00' (Dynamic Tailwater)1=Culvert (Inlet Controls 6.61 cfs @ 8.4 fps)2=Custom Weir/Orifice (Weir Controls 6.32 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)70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 Inflow Area=41.000 ac Peak Elev=891.66'Storage=3.187 af 63.64 cfs 12.94 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 117 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W1.2: WETLAND Inflow Area =27.440 ac, Inflow Depth > 4.04" for 100 YR event Inflow=23.26 cfs @ 12.18 hrs, Volume=9.236 af Outflow=10.54 cfs @ 12.14 hrs, Volume=9.236 af, Atten= 55%, Lag= 0.0 min Primary=10.54 cfs @ 12.14 hrs, Volume=9.236 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 891.84' @ 13.91 hrs Surf.Area= 0.673 ac Storage= 0.743 af Plug-Flow detention time= 57.2 min calculated for 9.236 af (100% of inflow)Center-of-Mass det. time= 57.2 min ( 1,152.9 - 1,095.8 )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 @ 12.14 hrs HW=890.72' TW=890.82' (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)26 24 22 20 18 16 14 12 10 8 6 4 2 0 Inflow Area=27.440 ac Peak Elev=891.84'Storage=0.743 af 30.0" x 110.0' Culvert 23.26 cfs 10.54 cfs Type II 24-hr 100 YR Rainfall=6.00"1237 Post-Development Page 118 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W2: WETLAND Inflow Area =2.050 ac, Inflow Depth = 3.48" for 100 YR event Inflow=5.44 cfs @ 12.32 hrs, Volume=0.594 af Outflow=5.16 cfs @ 12.41 hrs, Volume=0.594 af, Atten= 5%, Lag= 5.3 min Primary=5.16 cfs @ 12.41 hrs, Volume=0.594 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.10 hrs Peak Elev= 896.51' @ 12.41 hrs Surf.Area= 0.155 ac Storage= 0.046 af Plug-Flow detention time= 13.6 min calculated for 0.594 af (100% of inflow)Center-of-Mass det. time= 11.8 min ( 858.2 - 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=5.12 cfs @ 12.41 hrs HW=896.51' TW=896.11' (Dynamic Tailwater)1=Custom Weir/Orifice (Weir Controls 5.12 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=2.050 ac Peak Elev=896.51'Storage=0.046 af 5.44 cfs 5.16 cfs Drainage Diagram for 1237 Pre-Development Snowmelt Prepared by Kallio Engineering LLC 6/9/2013 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 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 6/9/2013 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=6.610 ac Runoff Depth>6.96"Subcatchment FT4.4: FT4.4 Flow Length=530' Tc=14.4 min Adjusted CN=98 Runoff=3.12 cfs 3.834 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=9.140 ac Runoff Depth>6.96"Subcatchment FT5.1: FT5.1 Flow Length=980' Tc=20.3 min Adjusted CN=98 Runoff=4.26 cfs 5.302 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=2.600 ac Runoff Depth>6.96"Subcatchment S2.1: S2.1 Flow Length=360' Tc=15.9 min Adjusted CN=98 Runoff=1.22 cfs 1.508 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=8.53 cfs 28.530 af Reach D: TOTAL DISCHARGE Outflow=8.53 cfs 28.530 af Inflow=6.14 cfs 24.406 af Reach D1: DISCHARGE 1 Outflow=6.14 cfs 24.406 af Inflow=2.57 cfs 3.300 af Reach D2: DISCHARGE 2 Outflow=2.57 cfs 3.300 af Inflow=0.66 cfs 0.824 af Reach D3: DISCHARGE 3 Outflow=0.66 cfs 0.824 af Inflow=6.33 cfs 14.330 af Reach D4: FT DISCHARGE Outflow=6.33 cfs 14.330 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 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Peak Elev=898.42' Storage=0.174 af Inflow=3.52 cfs 4.333 af Pond 4C: POND C 18.0" x 35.0' Culvert Outflow=3.07 cfs 4.323 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=898.35' Storage=1.930 af Inflow=9.87 cfs 12.780 af Pond 4P: Ag Urban Wet Outflow=5.34 cfs 12.531 af Peak Elev=891.24' Storage=3.154 af Inflow=14.08 cfs 24.528 af Pond W1.1: WETLAND Outflow=6.14 cfs 24.406 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 = 49.850 ac Runoff Volume = 28.916 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 6/9/2013 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 6/9/2013 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 6/9/2013 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 6/9/2013 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=3.12 cfs @ 121.43 hrs, Volume=3.834 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 6.610831/4 acre lots, 38% imp, HSG C 6.61083Weighted 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=6.610 ac Runoff Volume=3.834 af Runoff Depth>6.96"Flow Length=530'Tc=14.4 min Adjusted CN=98 3.12 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 8 Prepared by Kallio Engineering LLC 6/9/2013 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 6/9/2013 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 6/9/2013 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 6/9/2013 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 6/9/2013 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=4.26 cfs @ 121.52 hrs, Volume=5.302 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 9.140801/4 acre lots, 38% imp, HSG C 9.14080Weighted 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=9.140 ac Runoff Volume=5.302 af Runoff Depth>6.96"Flow Length=980'Tc=20.3 min Adjusted CN=98 4.26 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 13 Prepared by Kallio Engineering LLC 6/9/2013 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 6/9/2013 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=1.22 cfs @ 121.45 hrs, Volume=1.508 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 2.20072Woods/grass comb., Good, HSG C 0.40079Woods/grass comb., Good, HSG D 2.60073Weighted 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"1.91600.04001.4 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 15.9360Total 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=2.600 ac Runoff Volume=1.508 af Runoff Depth>6.96"Flow Length=360'Tc=15.9 min Adjusted CN=98 1.22 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 15 Prepared by Kallio Engineering LLC 6/9/2013 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 6/9/2013 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 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D: TOTAL DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =49.850 ac, Inflow Depth > 6.87" for Snowmelt event Inflow=8.53 cfs @ 121.86 hrs, Volume=28.530 af Outflow=8.53 cfs @ 121.86 hrs, Volume=28.530 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)9 8 7 6 5 4 3 2 1 0 Inflow Area=49.850 ac 8.53 cfs 8.53 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 18 Prepared by Kallio Engineering LLC 6/9/2013 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=6.14 cfs @ 126.44 hrs, Volume=24.406 af Outflow=6.14 cfs @ 126.44 hrs, Volume=24.406 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 6.14 cfs 6.14 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 19 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D2: DISCHARGE 2 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =5.690 ac, Inflow Depth > 6.96" for Snowmelt event Inflow=2.57 cfs @ 121.64 hrs, Volume=3.300 af Outflow=2.57 cfs @ 121.64 hrs, Volume=3.300 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)2 1 0 Inflow Area=5.690 ac 2.57 cfs 2.57 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 20 Prepared by Kallio Engineering LLC 6/9/2013 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 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D4: FT DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =25.160 ac, Inflow Depth > 6.83" for Snowmelt event Inflow=6.33 cfs @ 122.56 hrs, Volume=14.330 af Outflow=6.33 cfs @ 122.56 hrs, Volume=14.330 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=25.160 ac 6.33 cfs 6.33 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 22 Prepared by Kallio Engineering LLC 6/9/2013 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=898.10' (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 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4C: POND C Inflow Area =7.470 ac, Inflow Depth > 6.96" for Snowmelt event Inflow=3.52 cfs @ 121.44 hrs, Volume=4.333 af Outflow=3.07 cfs @ 121.59 hrs, Volume=4.323 af, Atten= 13%, Lag= 9.2 min Primary=3.07 cfs @ 121.59 hrs, Volume=4.323 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 898.42' @ 123.06 hrs Surf.Area= 0.150 ac Storage= 0.174 af Plug-Flow detention time= 104.5 min calculated for 4.320 af (100% of inflow)Center-of-Mass det. time= 89.4 min ( 7,507.4 - 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=2.62 cfs @ 121.59 hrs HW=898.28' TW=898.11' (Dynamic Tailwater)1=Culvert (Outlet Controls 2.62 cfs @ 2.4 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)3 2 1 0 Inflow Area=7.470 ac Peak Elev=898.42'Storage=0.174 af 18.0" x 35.0' Culvert 3.52 cfs 3.07 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 24 Prepared by Kallio Engineering LLC 6/9/2013 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 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4P: Ag Urban Wet Inflow Area =22.050 ac, Inflow Depth > 6.96" for Snowmelt event Inflow=9.87 cfs @ 121.47 hrs, Volume=12.780 af Outflow=5.34 cfs @ 123.24 hrs, Volume=12.531 af, Atten= 46%, Lag= 105.9 min Primary=5.34 cfs @ 123.24 hrs, Volume=12.531 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 898.35' @ 123.24 hrs Surf.Area= 1.474 ac Storage= 1.930 af Plug-Flow detention time= 481.6 min calculated for 12.531 af (98% of inflow)Center-of-Mass det. time= 353.7 min ( 7,804.3 - 7,450.6 )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=5.33 cfs @ 123.24 hrs HW=898.35' TW=0.00' (Dynamic Tailwater)3=Culvert (Passes 5.33 cfs of 19.10 cfs potential flow)2=Culvert (Passes 5.33 cfs of 8.67 cfs potential flow)1=Culvert (Inlet Controls 5.33 cfs @ 4.3 fps) Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 26 Prepared by Kallio Engineering LLC 6/9/2013 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=22.050 ac Peak Elev=898.35'Storage=1.930 af 9.87 cfs 5.34 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 27 Prepared by Kallio Engineering LLC 6/9/2013 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=14.08 cfs @ 121.65 hrs, Volume=24.528 af Outflow=6.14 cfs @ 126.44 hrs, Volume=24.406 af, Atten= 56%, Lag= 286.9 min Primary=6.14 cfs @ 126.44 hrs, Volume=24.406 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 891.24' @ 126.44 hrs Surf.Area= 2.473 ac Storage= 3.154 af Plug-Flow detention time= 229.3 min calculated for 24.406 af (100% of inflow)Center-of-Mass det. time= 196.5 min ( 7,819.9 - 7,623.4 )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=6.14 cfs @ 126.44 hrs HW=891.24' TW=0.00' (Dynamic Tailwater)1=Culvert (Inlet Controls 6.14 cfs @ 7.8 fps)2=Custom Weir/Orifice (Weir Controls 0.00 cfs @ 0.2 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)15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=42.740 ac Peak Elev=891.24'Storage=3.154 af 14.08 cfs 6.14 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Pre-Development Snowmelt Page 28 Prepared by Kallio Engineering LLC 6/9/2013 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 6/9/2013 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 S1.1A 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 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 6/9/2013 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=6.610 ac Runoff Depth>6.96"Subcatchment FT4.4: FT4.4 Flow Length=530' Tc=14.4 min Adjusted CN=98 Runoff=3.12 cfs 3.834 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=9.140 ac Runoff Depth>6.96"Subcatchment FT5.1: FT5.1 Flow Length=980' Tc=20.3 min Adjusted CN=98 Runoff=4.26 cfs 5.302 af Runoff Area=3.120 ac Runoff Depth>6.96"Subcatchment S1.1: S1.1 Flow Length=340' Tc=16.7 min Adjusted CN=98 Runoff=1.46 cfs 1.810 af Runoff Area=1.100 ac Runoff Depth>6.96"Subcatchment S1.1A: S1.1A Flow Length=110' Tc=6.8 min Adjusted CN=98 Runoff=0.52 cfs 0.638 af Runoff Area=0.200 ac Runoff Depth>6.96"Subcatchment S1.2: S1.2 Flow Length=510' Tc=6.3 min Adjusted CN=98 Runoff=0.09 cfs 0.116 af Runoff Area=0.810 ac Runoff Depth>6.96"Subcatchment S1.3: S1.3 Flow Length=280' Tc=10.3 min Adjusted CN=98 Runoff=0.38 cfs 0.470 af Runoff Area=0.720 ac Runoff Depth>6.96"Subcatchment S1.4: S1.4 Flow Length=220' Tc=14.0 min Adjusted CN=98 Runoff=0.34 cfs 0.418 af Runoff Area=0.750 ac Runoff Depth>6.96"Subcatchment S1.5: S1.5 Flow Length=230' Tc=23.2 min Adjusted CN=98 Runoff=0.35 cfs 0.435 af Runoff Area=1.140 ac Runoff Depth>6.96"Subcatchment S2.1: S2.1 Flow Length=160' Tc=16.7 min Adjusted CN=98 Runoff=0.54 cfs 0.661 af Runoff Area=0.740 ac Runoff Depth>6.96"Subcatchment S2.2: S2.2 Flow Length=130' Tc=7.9 min Adjusted CN=98 Runoff=0.35 cfs 0.429 af Runoff Area=2.050 ac Runoff Depth>6.96"Subcatchment S2.3: S2.3 Flow Length=620' Tc=36.1 min Adjusted CN=98 Runoff=0.93 cfs 1.189 af Runoff Area=0.760 ac Runoff Depth>6.96"Subcatchment S2.4: S2.4 Flow Length=310' Tc=15.1 min Adjusted CN=98 Runoff=0.36 cfs 0.441 af Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 3 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Runoff Area=2.870 ac Runoff Depth>6.96"Subcatchment S2.5: S2.5 Flow Length=270' Tc=16.0 min Adjusted CN=98 Runoff=1.35 cfs 1.665 af Runoff Area=1.280 ac Runoff Depth>6.96"Subcatchment S3.1: S3.1 Flow Length=290' Tc=21.6 min Adjusted CN=98 Runoff=0.60 cfs 0.742 af Inflow=8.99 cfs 28.500 af Reach D: TOTAL DISCHARGE Outflow=8.99 cfs 28.500 af Inflow=6.15 cfs 23.404 af Reach D1: DISCHARGE 1 Outflow=6.15 cfs 23.404 af Inflow=2.84 cfs 4.354 af Reach D2: DISCHARGE 2 Outflow=2.84 cfs 4.354 af Inflow=0.60 cfs 0.742 af Reach D3: DISCHARGE 3 Outflow=0.60 cfs 0.742 af Inflow=6.33 cfs 14.330 af Reach D4: FT DISCHARGE Outflow=6.33 cfs 14.330 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=898.42' Storage=0.174 af Inflow=3.52 cfs 4.333 af Pond 4C: POND C 18.0" x 35.0' Culvert Outflow=3.07 cfs 4.323 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=898.35' Storage=1.930 af Inflow=9.87 cfs 12.780 af Pond 4P: Ag Urban Wet Outflow=5.34 cfs 12.531 af Peak Elev=892.50' Storage=0.032 af Inflow=0.72 cfs 0.887 af Pond P1: WEST POND Outflow=0.67 cfs 0.886 af Peak Elev=894.94' Storage=0.302 af Inflow=2.91 cfs 3.724 af Pond P2: EAST POND 15.0" x 20.0' Culvert Outflow=2.41 cfs 3.693 af Peak Elev=891.25' Storage=2.337 af Inflow=11.70 cfs 23.516 af Pond W1.1: WETLAND Outflow=6.15 cfs 23.404 af Peak Elev=891.29' Storage=0.431 af Inflow=7.22 cfs 15.651 af Pond W1.2: WETLAND 30.0" x 110.0' Culvert Outflow=5.94 cfs 15.651 af Peak Elev=896.26' Storage=0.014 af Inflow=0.93 cfs 1.189 af Pond W2: WETLAND Outflow=0.93 cfs 1.189 af Total Runoff Area = 49.840 ac Runoff Volume = 28.910 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 6/9/2013 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 6/9/2013 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 6/9/2013 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 6/9/2013 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=3.12 cfs @ 121.43 hrs, Volume=3.834 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 6.610831/4 acre lots, 38% imp, HSG C 6.61083Weighted 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=6.610 ac Runoff Volume=3.834 af Runoff Depth>6.96"Flow Length=530'Tc=14.4 min Adjusted CN=98 3.12 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 8 Prepared by Kallio Engineering LLC 6/9/2013 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 6/9/2013 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 6/9/2013 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 6/9/2013 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 6/9/2013 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=4.26 cfs @ 121.52 hrs, Volume=5.302 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 9.140801/4 acre lots, 38% imp, HSG C 9.14080Weighted 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=9.140 ac Runoff Volume=5.302 af Runoff Depth>6.96"Flow Length=980'Tc=20.3 min Adjusted CN=98 4.26 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 13 Prepared by Kallio Engineering LLC 6/9/2013 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=1.46 cfs @ 121.46 hrs, Volume=1.810 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 0.78074>75% Grass cover, Good, HSG C 0.06098Paved parking & roofs 2.28079Woods/grass comb., Good, HSG D 3.12078Weighted 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)1 0 Spillway 1-day 10-day Snowmelt Rainfall=7.20"AMC=4 Runoff Area=3.120 ac Runoff Volume=1.810 af Runoff Depth>6.96"Flow Length=340'Tc=16.7 min Adjusted CN=98 1.46 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 14 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S1.1A: S1.1A [49] Hint: Tc<2dt may require smaller dt Runoff=0.52 cfs @ 121.33 hrs, Volume=0.638 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 0.52074>75% Grass cover, Good, HSG C 0.18098Paved parking & roofs 0.40079Woods/grass comb., Good, HSG D 1.10080Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)6.81100.07000.3 Sheet Flow, Grass: Short n= 0.150 P2= 2.80"Subcatchment S1.1A: S1.1A 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)0.55 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=1.100 ac Runoff Volume=0.638 af Runoff Depth>6.96"Flow Length=110'Tc=6.8 min Adjusted CN=98 0.52 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 15 Prepared by Kallio Engineering LLC 6/9/2013 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=0.09 cfs @ 121.32 hrs, Volume=0.116 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 0.06074>75% Grass cover, Good, HSG C 0.14098Paved parking & roofs 0.20091Weighted 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)0.105 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=0.200 ac Runoff Volume=0.116 af Runoff Depth>6.96"Flow Length=510'Tc=6.3 min Adjusted CN=98 0.09 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 16 Prepared by Kallio Engineering LLC 6/9/2013 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=0.38 cfs @ 121.39 hrs, Volume=0.470 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 0.37074>75% Grass cover, Good, HSG C 0.44098Paved parking & roofs 0.81087Weighted 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)0.42 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=0.810 ac Runoff Volume=0.470 af Runoff Depth>6.96"Flow Length=280'Tc=10.3 min Adjusted CN=98 0.38 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 17 Prepared by Kallio Engineering LLC 6/9/2013 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=0.34 cfs @ 121.43 hrs, Volume=0.418 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 0.08098Paved parking & roofs 0.72077Weighted 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=0.720 ac Runoff Volume=0.418 af Runoff Depth>6.96"Flow Length=220'Tc=14.0 min Adjusted CN=98 0.34 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 18 Prepared by Kallio Engineering LLC 6/9/2013 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=0.35 cfs @ 121.57 hrs, Volume=0.435 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 0.75079Woods/grass comb., Good, HSG D 0.75079Weighted 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)0.38 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=0.750 ac Runoff Volume=0.435 af Runoff Depth>6.96"Flow Length=230'Tc=23.2 min Adjusted CN=98 0.35 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 19 Prepared by Kallio Engineering LLC 6/9/2013 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=0.54 cfs @ 121.46 hrs, Volume=0.661 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 0.70074>75% Grass cover, Good, HSG C 0.14098Paved parking & roofs 0.30079Woods/grass comb., Good, HSG D 1.14078Weighted 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"12.8800.02000.1 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"16.7160Total 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)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=1.140 ac Runoff Volume=0.661 af Runoff Depth>6.96"Flow Length=160'Tc=16.7 min Adjusted CN=98 0.54 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 20 Prepared by Kallio Engineering LLC 6/9/2013 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=0.429 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 0.37074>75% Grass cover, Good, HSG C 0.27098Paved parking & roofs 0.10079Woods/grass comb., Good, HSG D 0.74083Weighted 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=0.740 ac Runoff Volume=0.429 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 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Subcatchment S2.3: S2.3 Runoff=0.93 cfs @ 121.75 hrs, Volume=1.189 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 0.04098Paved parking & roofs 0.84079Woods/grass comb., Good, HSG D 2.05077Weighted 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=2.050 ac Runoff Volume=1.189 af Runoff Depth>6.96"Flow Length=620'Tc=36.1 min Adjusted CN=98 0.93 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 22 Prepared by Kallio Engineering LLC 6/9/2013 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=0.36 cfs @ 121.44 hrs, Volume=0.441 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 0.73074>75% Grass cover, Good, HSG C 0.03098Paved parking & roofs 0.76075Weighted 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=0.760 ac Runoff Volume=0.441 af Runoff Depth>6.96"Flow Length=310'Tc=15.1 min Adjusted CN=98 0.36 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 23 Prepared by Kallio Engineering LLC 6/9/2013 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=1.35 cfs @ 121.45 hrs, Volume=1.665 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 1.47074>75% Grass cover, Good, HSG C 1.40098Paved parking & roofs 2.87086Weighted 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=2.870 ac Runoff Volume=1.665 af Runoff Depth>6.96"Flow Length=270'Tc=16.0 min Adjusted CN=98 1.35 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 24 Prepared by Kallio Engineering LLC 6/9/2013 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 @ 121.55 hrs, Volume=0.742 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 0.40079Woods/grass comb., Good, HSG D 0.88074>75% Grass cover, Good, HSG C 1.28076Weighted Average, Adjusted for AMC to CN = 98 TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs)19.22000.04500.2 Sheet Flow, Grass: Dense n= 0.240 P2= 2.80"2.4900.01500.6 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 21.6290Total 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=1.280 ac Runoff Volume=0.742 af Runoff Depth>6.96"Flow Length=290'Tc=21.6 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 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D: TOTAL DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =49.840 ac, Inflow Depth > 6.86" for Snowmelt event Inflow=8.99 cfs @ 122.43 hrs, Volume=28.500 af Outflow=8.99 cfs @ 122.43 hrs, Volume=28.500 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=49.840 ac 8.99 cfs 8.99 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 26 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D1: DISCHARGE 1 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =41.000 ac, Inflow Depth > 6.85" for Snowmelt event Inflow=6.15 cfs @ 126.25 hrs, Volume=23.404 af Outflow=6.15 cfs @ 126.25 hrs, Volume=23.404 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=41.000 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 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D2: DISCHARGE 2 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =7.560 ac, Inflow Depth > 6.91" for Snowmelt event Inflow=2.84 cfs @ 122.21 hrs, Volume=4.354 af Outflow=2.84 cfs @ 122.21 hrs, Volume=4.354 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)3 2 1 0 Inflow Area=7.560 ac 2.84 cfs 2.84 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 28 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D3: DISCHARGE 3 [40] Hint: Not Described (Outflow=Inflow)Inflow Area =1.280 ac, Inflow Depth > 6.96" for Snowmelt event Inflow=0.60 cfs @ 121.55 hrs, Volume=0.742 af Outflow=0.60 cfs @ 121.55 hrs, Volume=0.742 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=1.280 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 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Reach D4: FT DISCHARGE [40] Hint: Not Described (Outflow=Inflow)Inflow Area =25.160 ac, Inflow Depth > 6.83" for Snowmelt event Inflow=6.33 cfs @ 122.56 hrs, Volume=14.330 af Outflow=6.33 cfs @ 122.56 hrs, Volume=14.330 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=25.160 ac 6.33 cfs 6.33 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 30 Prepared by Kallio Engineering LLC 6/9/2013 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=898.10' (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 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4C: POND C Inflow Area =7.470 ac, Inflow Depth > 6.96" for Snowmelt event Inflow=3.52 cfs @ 121.44 hrs, Volume=4.333 af Outflow=3.07 cfs @ 121.59 hrs, Volume=4.323 af, Atten= 13%, Lag= 9.2 min Primary=3.07 cfs @ 121.59 hrs, Volume=4.323 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 898.42' @ 123.06 hrs Surf.Area= 0.150 ac Storage= 0.174 af Plug-Flow detention time= 104.5 min calculated for 4.320 af (100% of inflow)Center-of-Mass det. time= 89.4 min ( 7,507.4 - 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=2.62 cfs @ 121.59 hrs HW=898.28' TW=898.11' (Dynamic Tailwater)1=Culvert (Outlet Controls 2.62 cfs @ 2.4 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)3 2 1 0 Inflow Area=7.470 ac Peak Elev=898.42'Storage=0.174 af 18.0" x 35.0' Culvert 3.52 cfs 3.07 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 32 Prepared by Kallio Engineering LLC 6/9/2013 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 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond 4P: Ag Urban Wet Inflow Area =22.050 ac, Inflow Depth > 6.96" for Snowmelt event Inflow=9.87 cfs @ 121.47 hrs, Volume=12.780 af Outflow=5.34 cfs @ 123.24 hrs, Volume=12.531 af, Atten= 46%, Lag= 105.9 min Primary=5.34 cfs @ 123.24 hrs, Volume=12.531 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 898.35' @ 123.24 hrs Surf.Area= 1.474 ac Storage= 1.930 af Plug-Flow detention time= 481.6 min calculated for 12.531 af (98% of inflow)Center-of-Mass det. time= 353.7 min ( 7,804.3 - 7,450.6 )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=5.33 cfs @ 123.24 hrs HW=898.35' TW=0.00' (Dynamic Tailwater)3=Culvert (Passes 5.33 cfs of 19.10 cfs potential flow)2=Culvert (Passes 5.33 cfs of 8.67 cfs potential flow)1=Culvert (Inlet Controls 5.33 cfs @ 4.3 fps) Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 34 Prepared by Kallio Engineering LLC 6/9/2013 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=22.050 ac Peak Elev=898.35'Storage=1.930 af 9.87 cfs 5.34 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 35 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P1: WEST POND Inflow Area =1.530 ac, Inflow Depth > 6.96" for Snowmelt event Inflow=0.72 cfs @ 121.41 hrs, Volume=0.887 af Outflow=0.67 cfs @ 121.74 hrs, Volume=0.886 af, Atten= 7%, Lag= 20.0 min Primary=0.67 cfs @ 121.74 hrs, Volume=0.886 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 892.50' @ 121.74 hrs Surf.Area= 0.070 ac Storage= 0.032 af Plug-Flow detention time= 99.0 min calculated for 0.885 af (100% of inflow)Center-of-Mass det. time= 84.1 min ( 7,499.7 - 7,415.5 )VolumeInvertAvail.StorageStorage Description #1892.00'0.269 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)892.000.060187.00.0000.0000.060 893.000.080212.00.0700.0700.079 894.000.100237.00.0900.1600.100 895.000.120257.00.1100.2690.119 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=0.67 cfs @ 121.74 hrs HW=892.50' TW=890.61' (Dynamic Tailwater)3=Culvert (Passes 0.67 cfs of 0.82 cfs potential flow)1=Orifice/Grate (Orifice Controls 0.67 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 6/9/2013 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)0.8 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=1.530 ac Peak Elev=892.50'Storage=0.032 af 0.72 cfs 0.67 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 37 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond P2: EAST POND Inflow Area =6.420 ac, Inflow Depth > 6.96" for Snowmelt event Inflow=2.91 cfs @ 121.53 hrs, Volume=3.724 af Outflow=2.41 cfs @ 122.38 hrs, Volume=3.693 af, Atten= 17%, Lag= 51.3 min Primary=2.41 cfs @ 122.38 hrs, Volume=3.693 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 894.94' @ 122.38 hrs Surf.Area= 0.347 ac Storage= 0.302 af Plug-Flow detention time= 242.8 min calculated for 3.693 af (99% of inflow)Center-of-Mass det. time= 186.8 min ( 7,618.4 - 7,431.6 )VolumeInvertAvail.StorageStorage Description #1894.00'1.169 af Custom Stage Data (Irregular) Listed below (Recalc)ElevationSurf.AreaPerim.Inc.StoreCum.StoreWet.Area (feet)(acres)(feet)(acre-feet)(acre-feet)(acres)894.000.300449.00.0000.0000.300 895.000.350479.00.3250.3250.352 896.000.420617.00.3840.7090.629 897.000.500660.00.4591.1690.730 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=2.41 cfs @ 122.38 hrs HW=894.94' TW=0.00' (Dynamic Tailwater)1=Culvert (Barrel Controls 2.41 cfs @ 3.4 fps)Pond P2: 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=6.420 ac Peak Elev=894.94'Storage=0.302 af 15.0" x 20.0' Culvert 2.91 cfs 2.41 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 38 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W1.1: WETLAND [80] Warning: Exceeded Pond W1.2 by 0.01' @ 121.40 hrs (1.76 cfs 0.167 af) Inflow Area =41.000 ac, Inflow Depth > 6.88" for Snowmelt event Inflow=11.70 cfs @ 121.62 hrs, Volume=23.516 af Outflow=6.15 cfs @ 126.25 hrs, Volume=23.404 af, Atten= 47%, Lag= 277.6 min Primary=6.15 cfs @ 126.25 hrs, Volume=23.404 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 891.25' @ 126.25 hrs Surf.Area= 1.808 ac Storage= 2.337 af Plug-Flow detention time= 191.0 min calculated for 23.384 af (99% of inflow)Center-of-Mass det. time= 159.4 min ( 7,806.6 - 7,647.2 )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 @ 126.25 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)13 12 11 10 9 8 7 6 5 4 3 2 1 0 Inflow Area=41.000 ac Peak Elev=891.25'Storage=2.337 af 11.70 cfs 6.15 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 39 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W1.2: WETLAND Inflow Area =27.440 ac, Inflow Depth > 6.84" for Snowmelt event Inflow=7.22 cfs @ 122.26 hrs, Volume=15.651 af Outflow=5.94 cfs @ 122.89 hrs, Volume=15.651 af, Atten= 18%, Lag= 38.0 min Primary=5.94 cfs @ 122.89 hrs, Volume=15.651 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-240.00 hrs, dt= 0.20 hrs Peak Elev= 891.29' @ 126.22 hrs Surf.Area= 0.466 ac Storage= 0.431 af Plug-Flow detention time= 20.7 min calculated for 15.638 af (100% of inflow)Center-of-Mass det. time= 20.6 min ( 7,760.8 - 7,740.2 )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=3.36 cfs @ 122.89 hrs HW=891.01' TW=890.99' (Dynamic Tailwater)1=Culvert (Outlet Controls 3.36 cfs @ 0.8 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=27.440 ac Peak Elev=891.29'Storage=0.431 af 30.0" x 110.0' Culvert 7.22 cfs 5.94 cfs Spillway 1-day 10-day Snowmelt Rainfall=7.20", AMC=4 1237 Post-Development Snowmelt Page 40 Prepared by Kallio Engineering LLC 6/9/2013 HydroCAD® 7.10 s/n 002095 © 2005 HydroCAD Software Solutions LLC Pond W2: WETLAND Inflow Area =2.050 ac, Inflow Depth > 6.96" for Snowmelt event Inflow=0.93 cfs @ 121.75 hrs, Volume=1.189 af Outflow=0.93 cfs @ 121.88 hrs, Volume=1.189 af, Atten= 1%, Lag= 7.6 min Primary=0.93 cfs @ 121.88 hrs, Volume=1.189 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= 0.105 ac Storage= 0.014 af Plug-Flow detention time= 24.0 min calculated for 1.189 af (100% of inflow)Center-of-Mass det. time= 23.1 min ( 7,461.0 - 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=0.92 cfs @ 121.88 hrs HW=896.26' TW=894.91' (Dynamic Tailwater)1=Custom Weir/Orifice (Weir Controls 0.92 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=2.050 ac Peak Elev=896.26'Storage=0.014 af 0.93 cfs 0.93 cfs