Loading...
19486-stormwater management summary-letter-fullVariable OVERALL Pond 1 Filter Strip P0% 24.5 24.5 P10% 65.6 57.1 19.8 P30% 81.4 75.4 24.2 P50% 93.2 88.9 38.6 P80% 99.8 98.7 84.1 TSS 87.7 83.5 25.6 TP 64.7 53.4 24.2 TKN 59.4 46.3 24.3 CU 70.9 61.3 24.8 PB 82.0 75.9 25.2 ZN 32.5 10.7 24.5 HC 82.0 75.9 25.2 STAT E H I G H W A Y N O . 5 Client Project Location Approved:Drawn: Date Submittal / Rev.No. Certification Sheet Title Summary Revision History Sheet No.Revision Project No. By CENTER COMPANIES, LLC DAKOTA RETAIL CHANHASSEN, MN EPF CEN19486SCALE IN FEET 0 50 Mar 17, 2014 - 9:48am - User:234 L:\PROJECTS\CEN19486\dwg\Civil\19486-DRNBASE.dwg 1/2 EXISTING DRAINAGE MAP XX XX XX XX LINK POND REACH SUB-CATCHMENT LEGEND L:\PROJECTS\CEN19486\dwg\Civil\19486-DRNBASE.dwg, 10/9/2014 10:40:21 AM, 234, DWG To PDF.pc3, 1:1 1S Existing Routing Diagram for Existing Prepared by Hewlett-Packard Company, Printed 3/17/2014 HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Subcat Reach Pond Link Type II 24-hr 2 Year Rainfall=2.80"Existing Printed 3/17/2014Prepared by Hewlett-Packard Company Page 2HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 1S: Existing Runoff=1.23 cfs @ 12.09 hrs, Volume=0.078 af, Depth>0.61" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 2 Year Rainfall=2.80" Area (sf)CNDescription 47,82461>75% Grass cover, Good, HSG B 19,11898Paved parking, HSG B 66,94272Weighted Average 47,82471.44% Pervious Area 19,11828.56% Impervious Area TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs) 15.0 Direct Entry, Type II 24-hr 10 Year Rainfall=4.20"Existing Printed 3/17/2014Prepared by Hewlett-Packard Company Page 3HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 1S: Existing Runoff=3.10 cfs @ 12.08 hrs, Volume=0.186 af, Depth>1.45" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.20" Area (sf)CNDescription 47,82461>75% Grass cover, Good, HSG B 19,11898Paved parking, HSG B 66,94272Weighted Average 47,82471.44% Pervious Area 19,11828.56% Impervious Area TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs) 15.0 Direct Entry, Type II 24-hr 100 Year Rainfall=6.00"Existing Printed 3/17/2014Prepared by Hewlett-Packard Company Page 4HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 1S: Existing Runoff=5.90 cfs @ 12.07 hrs, Volume=0.352 af, Depth>2.75" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=6.00" Area (sf)CNDescription 47,82461>75% Grass cover, Good, HSG B 19,11898Paved parking, HSG B 66,94272Weighted Average 47,82471.44% Pervious Area 19,11828.56% Impervious Area TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs) 15.0 Direct Entry, 2S 3S 4S 5S 6S BLDG 7S Offsite 8S 10S Pond 1P Pond 9L Total Routing Diagram for Proposed Prepared by Microsoft, Printed 10/9/2014 HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Subcat Reach Pond Link Proposed Printed 10/9/2014Prepared by Microsoft Page 2HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Area Listing (selected nodes) Area (acres) CNDescription (subcatchment-numbers) 0.51561>75% Grass cover, Good, HSG B (2S, 3S, 7S, 10S) 0.78498Paved parking, HSG B (2S, 3S, 4S, 5S, 7S, 8S) 0.18498Roofs, HSG B (6S) 0.06098Water Surface, HSG B (10S) 1.54486TOTAL AREA Proposed Printed 10/9/2014Prepared by Microsoft Page 3HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Ground Covers (selected nodes) HSG-A (acres) HSG-B (acres) HSG-C (acres) HSG-D (acres) Other (acres) Total (acres) Ground Cover Subcatchment Numbers 0.0000.5150.0000.0000.0000.515>75% Grass cover, Good 2S, 3S, 7S, 10S 0.0000.7840.0000.0000.0000.784Paved parking2S, 3S, 4S, 5S, 7S, 8S 0.0000.1840.0000.0000.0000.184Roofs6S 0.0000.0600.0000.0000.0000.060Water Surface10S 0.0001.5440.0000.0000.0001.544TOTAL AREA Type II 24-hr 2 Year Rainfall=2.80"Proposed Printed 10/9/2014Prepared by Microsoft Page 4HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 2S: Runoff=0.31 cfs @ 12.07 hrs, Volume=0.019 af, Depth>1.31" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 2 Year Rainfall=2.80" Area (sf)CNDescription 4,86598Paved parking, HSG B 2,58561>75% Grass cover, Good, HSG B 7,45085Weighted Average 2,58534.70% Pervious Area 4,86565.30% Impervious Area TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs) 15.0 Direct Entry, Subcatchment 2S: Runoff Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 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 Type II 24-hr 2 Year Rainfall=2.80" Runoff Area=7,450 sf Runoff Volume=0.019 af Runoff Depth>1.31" Tc=15.0 min CN=85 0.31 cfs Type II 24-hr 2 Year Rainfall=2.80"Proposed Printed 10/9/2014Prepared by Microsoft Page 5HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 3S: Runoff=0.67 cfs @ 12.06 hrs, Volume=0.042 af, Depth>2.02" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 2 Year Rainfall=2.80" Area (sf)CNDescription 9,86798Paved parking, HSG B 1,06061>75% Grass cover, Good, HSG B 10,92794Weighted Average 1,0609.70% Pervious Area 9,86790.30% Impervious Area TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs) 15.0 Direct Entry, Subcatchment 3S: Runoff Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 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 Year Rainfall=2.80" Runoff Area=10,927 sf Runoff Volume=0.042 af Runoff Depth>2.02" Tc=15.0 min CN=94 0.67 cfs Type II 24-hr 2 Year Rainfall=2.80"Proposed Printed 10/9/2014Prepared by Microsoft Page 6HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 4S: Runoff=0.51 cfs @ 12.06 hrs, Volume=0.034 af, Depth>2.38" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 2 Year Rainfall=2.80" Area (sf)CNDescription 7,48298Paved parking, HSG B 7,482100.00% Impervious Area TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs) 15.0 Direct Entry, Subcatchment 4S: Runoff Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 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 Year Rainfall=2.80" Runoff Area=7,482 sf Runoff Volume=0.034 af Runoff Depth>2.38" Tc=15.0 min CN=98 0.51 cfs Type II 24-hr 2 Year Rainfall=2.80"Proposed Printed 10/9/2014Prepared by Microsoft Page 7HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 5S: Runoff=0.36 cfs @ 11.89 hrs, Volume=0.016 af, Depth>2.38" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 2 Year Rainfall=2.80" Area (sf)CNDescription 3,58398Paved parking, HSG B 3,583100.00% Impervious Area Subcatchment 5S: Runoff Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 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 Type II 24-hr 2 Year Rainfall=2.80" Runoff Area=3,583 sf Runoff Volume=0.016 af Runoff Depth>2.38" Tc=0.0 min CN=98 0.36 cfs Type II 24-hr 2 Year Rainfall=2.80"Proposed Printed 10/9/2014Prepared by Microsoft Page 8HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 6S: BLDG Runoff=0.54 cfs @ 12.06 hrs, Volume=0.036 af, Depth>2.38" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 2 Year Rainfall=2.80" Area (sf)CNDescription 8,00598Roofs, HSG B 8,005100.00% Impervious Area TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs) 15.0 Direct Entry, Subcatchment 6S: BLDG Runoff Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 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 Year Rainfall=2.80" Runoff Area=8,005 sf Runoff Volume=0.036 af Runoff Depth>2.38" Tc=15.0 min CN=98 0.54 cfs Type II 24-hr 2 Year Rainfall=2.80"Proposed Printed 10/9/2014Prepared by Microsoft Page 9HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 7S: Offsite Runoff=0.20 cfs @ 12.11 hrs, Volume=0.015 af, Depth>0.39" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 2 Year Rainfall=2.80" Area (sf)CNDescription 2,79198Paved parking, HSG B 16,95061>75% Grass cover, Good, HSG B 19,74166Weighted Average 16,95085.86% Pervious Area 2,79114.14% Impervious Area TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs) 15.0 Direct Entry, Subcatchment 7S: Offsite Runoff Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 0.22 0.21 0.2 0.19 0.18 0.17 0.16 0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 Type II 24-hr 2 Year Rainfall=2.80" Runoff Area=19,741 sf Runoff Volume=0.015 af Runoff Depth>0.39" Tc=15.0 min CN=66 0.20 cfs Type II 24-hr 2 Year Rainfall=2.80"Proposed Printed 10/9/2014Prepared by Microsoft Page 10HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 8S: Runoff=0.38 cfs @ 12.06 hrs, Volume=0.025 af, Depth>2.38" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 2 Year Rainfall=2.80" Area (sf)CNDescription 5,58198Paved parking, HSG B 5,581100.00% Impervious Area TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs) 15.0 Direct Entry, Subcatchment 8S: Runoff Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 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 Type II 24-hr 2 Year Rainfall=2.80" Runoff Area=5,581 sf Runoff Volume=0.025 af Runoff Depth>2.38" Tc=15.0 min CN=98 0.38 cfs Type II 24-hr 2 Year Rainfall=2.80"Proposed Printed 10/9/2014Prepared by Microsoft Page 11HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 10S: Pond Runoff=0.17 cfs @ 12.07 hrs, Volume=0.010 af, Depth>1.18" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 2 Year Rainfall=2.80" Area (sf)CNDescription 2,63498Water Surface, HSG B 1,83561>75% Grass cover, Good, HSG B 4,46983Weighted Average 1,83541.06% Pervious Area 2,63458.94% Impervious Area TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs) 15.0 Direct Entry, Subcatchment 10S: Pond Runoff Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 0.18 0.17 0.16 0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 Type II 24-hr 2 Year Rainfall=2.80" Runoff Area=4,469 sf Runoff Volume=0.010 af Runoff Depth>1.18" Tc=15.0 min CN=83 0.17 cfs Type II 24-hr 2 Year Rainfall=2.80"Proposed Printed 10/9/2014Prepared by Microsoft Page 12HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Pond 1P: Pond Inflow Area =1.090 ac,88.46% Impervious, Inflow Depth > 2.02" for 2 Year event Inflow=2.62 cfs @ 12.06 hrs, Volume=0.183 af Outflow=1.10 cfs @ 12.26 hrs, Volume=0.148 af, Atten= 58%, Lag= 12.1 min Primary=1.10 cfs @ 12.26 hrs, Volume=0.148 af Routing by Stor-Ind method, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Starting Elev= 934.00' Surf.Area= 2,635 sf Storage= 2,246 cf Peak Elev= 935.22' @ 12.26 hrs Surf.Area= 3,616 sf Storage= 6,053 cf (3,807 cf above start) Plug-Flow detention time= 201.9 min calculated for 0.096 af (53% of inflow) Center-of-Mass det. time= 71.8 min ( 825.2 - 753.4 ) VolumeInvertAvail.StorageStorage Description #1931.00'9,126 cf Custom Stage Data (Prismatic) Listed below (Recalc) ElevationSurf.AreaInc.StoreCum.Store (feet)(sq-ft)(cubic-feet)(cubic-feet) 931.006700 933.00574641641 934.002,6351,6052,246 936.004,2456,8809,126 DeviceRouting InvertOutlet Devices #1Primary934.00'12.0" Round Culvert L= 20.0' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 934.00' / 933.80' S= 0.0100 '/' Cc= 0.900 n= 0.011 Concrete pipe, straight & clean, Flow Area= 0.79 sf #2Device 1935.55'2.0' long Sharp-Crested Rectangular Weir 2 End Contraction(s) #3Device 1934.45'0.6' long Sharp-Crested Rectangular Weir 2 End Contraction(s) 0.8' Crest Height #4Device 1935.22'1.4' long Sharp-Crested Rectangular Weir 2 End Contraction(s) Primary OutFlow Max=1.09 cfs @ 12.26 hrs HW=935.22' (Free Discharge) 1=Culvert (Passes 1.09 cfs of 3.43 cfs potential flow) 2=Sharp-Crested Rectangular Weir ( Controls 0.00 cfs) 3=Sharp-Crested Rectangular Weir (Weir Controls 1.09 cfs @ 3.20 fps) 4=Sharp-Crested Rectangular Weir ( Controls 0.00 cfs) Type II 24-hr 2 Year Rainfall=2.80"Proposed Printed 10/9/2014Prepared by Microsoft Page 13HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Pond 1P: Pond Inflow Primary Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 2 1 0 Inflow Area=1.090 ac Peak Elev=935.22' Storage=6,053 cf 2.62 cfs 1.10 cfs Type II 24-hr 2 Year Rainfall=2.80"Proposed Printed 10/9/2014Prepared by Microsoft Page 14HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Link 9L: Total Inflow Area =1.544 ac,66.64% Impervious, Inflow Depth > 1.27" for 2 Year event Inflow=1.22 cfs @ 12.22 hrs, Volume=0.163 af Primary=1.22 cfs @ 12.22 hrs, Volume=0.163 af, Atten= 0%, Lag= 0.0 min Primary outflow = Inflow, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Link 9L: Total Inflow Primary Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 1 0 Inflow Area=1.544 ac 1.22 cfs 1.22 cfs Type II 24-hr 10 Year Rainfall=4.20"Proposed Printed 10/9/2014Prepared by Microsoft Page 15HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 2S: Runoff=0.58 cfs @ 12.07 hrs, Volume=0.035 af, Depth>2.45" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.20" Area (sf)CNDescription 4,86598Paved parking, HSG B 2,58561>75% Grass cover, Good, HSG B 7,45085Weighted Average 2,58534.70% Pervious Area 4,86565.30% Impervious Area TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs) 15.0 Direct Entry, Subcatchment 2S: Runoff Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 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 10 Year Rainfall=4.20" Runoff Area=7,450 sf Runoff Volume=0.035 af Runoff Depth>2.45" Tc=15.0 min CN=85 0.58 cfs Type II 24-hr 10 Year Rainfall=4.20"Proposed Printed 10/9/2014Prepared by Microsoft Page 16HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 3S: Runoff=1.06 cfs @ 12.06 hrs, Volume=0.069 af, Depth>3.29" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.20" Area (sf)CNDescription 9,86798Paved parking, HSG B 1,06061>75% Grass cover, Good, HSG B 10,92794Weighted Average 1,0609.70% Pervious Area 9,86790.30% Impervious Area TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs) 15.0 Direct Entry, Subcatchment 3S: Runoff Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 1 0 Type II 24-hr 10 Year Rainfall=4.20" Runoff Area=10,927 sf Runoff Volume=0.069 af Runoff Depth>3.29" Tc=15.0 min CN=94 1.06 cfs Type II 24-hr 10 Year Rainfall=4.20"Proposed Printed 10/9/2014Prepared by Microsoft Page 17HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 4S: Runoff=0.77 cfs @ 12.06 hrs, Volume=0.052 af, Depth>3.65" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.20" Area (sf)CNDescription 7,48298Paved parking, HSG B 7,482100.00% Impervious Area TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs) 15.0 Direct Entry, Subcatchment 4S: Runoff Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 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 10 Year Rainfall=4.20" Runoff Area=7,482 sf Runoff Volume=0.052 af Runoff Depth>3.65" Tc=15.0 min CN=98 0.77 cfs Type II 24-hr 10 Year Rainfall=4.20"Proposed Printed 10/9/2014Prepared by Microsoft Page 18HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 5S: Runoff=0.55 cfs @ 11.89 hrs, Volume=0.025 af, Depth>3.65" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.20" Area (sf)CNDescription 3,58398Paved parking, HSG B 3,583100.00% Impervious Area Subcatchment 5S: Runoff Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 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 10 Year Rainfall=4.20" Runoff Area=3,583 sf Runoff Volume=0.025 af Runoff Depth>3.65" Tc=0.0 min CN=98 0.55 cfs Type II 24-hr 10 Year Rainfall=4.20"Proposed Printed 10/9/2014Prepared by Microsoft Page 19HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 6S: BLDG Runoff=0.82 cfs @ 12.06 hrs, Volume=0.056 af, Depth>3.65" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.20" Area (sf)CNDescription 8,00598Roofs, HSG B 8,005100.00% Impervious Area TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs) 15.0 Direct Entry, Subcatchment 6S: BLDG Runoff Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 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 10 Year Rainfall=4.20" Runoff Area=8,005 sf Runoff Volume=0.056 af Runoff Depth>3.65" Tc=15.0 min CN=98 0.82 cfs Type II 24-hr 10 Year Rainfall=4.20"Proposed Printed 10/9/2014Prepared by Microsoft Page 20HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 7S: Offsite Runoff=0.66 cfs @ 12.09 hrs, Volume=0.041 af, Depth>1.08" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.20" Area (sf)CNDescription 2,79198Paved parking, HSG B 16,95061>75% Grass cover, Good, HSG B 19,74166Weighted Average 16,95085.86% Pervious Area 2,79114.14% Impervious Area TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs) 15.0 Direct Entry, Subcatchment 7S: Offsite Runoff Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 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 10 Year Rainfall=4.20" Runoff Area=19,741 sf Runoff Volume=0.041 af Runoff Depth>1.08" Tc=15.0 min CN=66 0.66 cfs Type II 24-hr 10 Year Rainfall=4.20"Proposed Printed 10/9/2014Prepared by Microsoft Page 21HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 8S: Runoff=0.57 cfs @ 12.06 hrs, Volume=0.039 af, Depth>3.65" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.20" Area (sf)CNDescription 5,58198Paved parking, HSG B 5,581100.00% Impervious Area TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs) 15.0 Direct Entry, Subcatchment 8S: Runoff Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 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 10 Year Rainfall=4.20" Runoff Area=5,581 sf Runoff Volume=0.039 af Runoff Depth>3.65" Tc=15.0 min CN=98 0.57 cfs Type II 24-hr 10 Year Rainfall=4.20"Proposed Printed 10/9/2014Prepared by Microsoft Page 22HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 10S: Pond Runoff=0.32 cfs @ 12.07 hrs, Volume=0.019 af, Depth>2.27" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.20" Area (sf)CNDescription 2,63498Water Surface, HSG B 1,83561>75% Grass cover, Good, HSG B 4,46983Weighted Average 1,83541.06% Pervious Area 2,63458.94% Impervious Area TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs) 15.0 Direct Entry, Subcatchment 10S: Pond Runoff Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 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 Type II 24-hr 10 Year Rainfall=4.20" Runoff Area=4,469 sf Runoff Volume=0.019 af Runoff Depth>2.27" Tc=15.0 min CN=83 0.32 cfs Type II 24-hr 10 Year Rainfall=4.20"Proposed Printed 10/9/2014Prepared by Microsoft Page 23HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Pond 1P: Pond Inflow Area =1.090 ac,88.46% Impervious, Inflow Depth > 3.25" for 10 Year event Inflow=4.19 cfs @ 12.06 hrs, Volume=0.295 af Outflow=2.51 cfs @ 12.20 hrs, Volume=0.258 af, Atten= 40%, Lag= 8.6 min Primary=2.51 cfs @ 12.20 hrs, Volume=0.258 af Routing by Stor-Ind method, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Starting Elev= 934.00' Surf.Area= 2,635 sf Storage= 2,246 cf Peak Elev= 935.55' @ 12.20 hrs Surf.Area= 3,883 sf Storage= 7,300 cf (5,055 cf above start) Plug-Flow detention time= 149.2 min calculated for 0.206 af (70% of inflow) Center-of-Mass det. time= 59.9 min ( 808.1 - 748.3 ) VolumeInvertAvail.StorageStorage Description #1931.00'9,126 cf Custom Stage Data (Prismatic) Listed below (Recalc) ElevationSurf.AreaInc.StoreCum.Store (feet)(sq-ft)(cubic-feet)(cubic-feet) 931.006700 933.00574641641 934.002,6351,6052,246 936.004,2456,8809,126 DeviceRouting InvertOutlet Devices #1Primary934.00'12.0" Round Culvert L= 20.0' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 934.00' / 933.80' S= 0.0100 '/' Cc= 0.900 n= 0.011 Concrete pipe, straight & clean, Flow Area= 0.79 sf #2Device 1935.55'2.0' long Sharp-Crested Rectangular Weir 2 End Contraction(s) #3Device 1934.45'0.6' long Sharp-Crested Rectangular Weir 2 End Contraction(s) 0.8' Crest Height #4Device 1935.22'1.4' long Sharp-Crested Rectangular Weir 2 End Contraction(s) Primary OutFlow Max=2.50 cfs @ 12.20 hrs HW=935.55' (Free Discharge) 1=Culvert (Passes 2.50 cfs of 4.25 cfs potential flow) 2=Sharp-Crested Rectangular Weir ( Controls 0.00 cfs) 3=Sharp-Crested Rectangular Weir (Weir Controls 1.67 cfs @ 4.01 fps) 4=Sharp-Crested Rectangular Weir (Weir Controls 0.82 cfs @ 1.88 fps) Type II 24-hr 10 Year Rainfall=4.20"Proposed Printed 10/9/2014Prepared by Microsoft Page 24HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Pond 1P: Pond Inflow Primary Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 4 3 2 1 0 Inflow Area=1.090 ac Peak Elev=935.55' Storage=7,300 cf 4.19 cfs 2.51 cfs Type II 24-hr 10 Year Rainfall=4.20"Proposed Printed 10/9/2014Prepared by Microsoft Page 25HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Link 9L: Total Inflow Area =1.544 ac,66.64% Impervious, Inflow Depth > 2.33" for 10 Year event Inflow=2.99 cfs @ 12.17 hrs, Volume=0.299 af Primary=2.99 cfs @ 12.17 hrs, Volume=0.299 af, Atten= 0%, Lag= 0.0 min Primary outflow = Inflow, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Link 9L: Total Inflow Primary Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 3 2 1 0 Inflow Area=1.544 ac 2.99 cfs 2.99 cfs Type II 24-hr 100 Year Rainfall=6.00"Proposed Printed 10/9/2014Prepared by Microsoft Page 26HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 2S: Runoff=0.92 cfs @ 12.07 hrs, Volume=0.057 af, Depth>4.02" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=6.00" Area (sf)CNDescription 4,86598Paved parking, HSG B 2,58561>75% Grass cover, Good, HSG B 7,45085Weighted Average 2,58534.70% Pervious Area 4,86565.30% Impervious Area TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs) 15.0 Direct Entry, Subcatchment 2S: Runoff Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 1 0 Type II 24-hr 100 Year Rainfall=6.00" Runoff Area=7,450 sf Runoff Volume=0.057 af Runoff Depth>4.02" Tc=15.0 min CN=85 0.92 cfs Type II 24-hr 100 Year Rainfall=6.00"Proposed Printed 10/9/2014Prepared by Microsoft Page 27HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 3S: Runoff=1.56 cfs @ 12.06 hrs, Volume=0.103 af, Depth>4.94" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=6.00" Area (sf)CNDescription 9,86798Paved parking, HSG B 1,06061>75% Grass cover, Good, HSG B 10,92794Weighted Average 1,0609.70% Pervious Area 9,86790.30% Impervious Area TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs) 15.0 Direct Entry, Subcatchment 3S: Runoff Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 1 0 Type II 24-hr 100 Year Rainfall=6.00" Runoff Area=10,927 sf Runoff Volume=0.103 af Runoff Depth>4.94" Tc=15.0 min CN=94 1.56 cfs Type II 24-hr 100 Year Rainfall=6.00"Proposed Printed 10/9/2014Prepared by Microsoft Page 28HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 4S: Runoff=1.10 cfs @ 12.06 hrs, Volume=0.075 af, Depth>5.27" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=6.00" Area (sf)CNDescription 7,48298Paved parking, HSG B 7,482100.00% Impervious Area TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs) 15.0 Direct Entry, Subcatchment 4S: Runoff Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 1 0 Type II 24-hr 100 Year Rainfall=6.00" Runoff Area=7,482 sf Runoff Volume=0.075 af Runoff Depth>5.27" Tc=15.0 min CN=98 1.10 cfs Type II 24-hr 100 Year Rainfall=6.00"Proposed Printed 10/9/2014Prepared by Microsoft Page 29HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 5S: Runoff=0.79 cfs @ 11.89 hrs, Volume=0.036 af, Depth>5.27" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=6.00" Area (sf)CNDescription 3,58398Paved parking, HSG B 3,583100.00% Impervious Area Subcatchment 5S: Runoff Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 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 100 Year Rainfall=6.00" Runoff Area=3,583 sf Runoff Volume=0.036 af Runoff Depth>5.27" Tc=0.0 min CN=98 0.79 cfs Type II 24-hr 100 Year Rainfall=6.00"Proposed Printed 10/9/2014Prepared by Microsoft Page 30HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 6S: BLDG Runoff=1.18 cfs @ 12.06 hrs, Volume=0.081 af, Depth>5.27" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=6.00" Area (sf)CNDescription 8,00598Roofs, HSG B 8,005100.00% Impervious Area TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs) 15.0 Direct Entry, Subcatchment 6S: BLDG Runoff Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 1 0 Type II 24-hr 100 Year Rainfall=6.00" Runoff Area=8,005 sf Runoff Volume=0.081 af Runoff Depth>5.27" Tc=15.0 min CN=98 1.18 cfs Type II 24-hr 100 Year Rainfall=6.00"Proposed Printed 10/9/2014Prepared by Microsoft Page 31HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 7S: Offsite Runoff=1.40 cfs @ 12.08 hrs, Volume=0.084 af, Depth>2.22" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=6.00" Area (sf)CNDescription 2,79198Paved parking, HSG B 16,95061>75% Grass cover, Good, HSG B 19,74166Weighted Average 16,95085.86% Pervious Area 2,79114.14% Impervious Area TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs) 15.0 Direct Entry, Subcatchment 7S: Offsite Runoff Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 1 0 Type II 24-hr 100 Year Rainfall=6.00" Runoff Area=19,741 sf Runoff Volume=0.084 af Runoff Depth>2.22" Tc=15.0 min CN=66 1.40 cfs Type II 24-hr 100 Year Rainfall=6.00"Proposed Printed 10/9/2014Prepared by Microsoft Page 32HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 8S: Runoff=0.82 cfs @ 12.06 hrs, Volume=0.056 af, Depth>5.27" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=6.00" Area (sf)CNDescription 5,58198Paved parking, HSG B 5,581100.00% Impervious Area TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs) 15.0 Direct Entry, Subcatchment 8S: Runoff Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 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 100 Year Rainfall=6.00" Runoff Area=5,581 sf Runoff Volume=0.056 af Runoff Depth>5.27" Tc=15.0 min CN=98 0.82 cfs Type II 24-hr 100 Year Rainfall=6.00"Proposed Printed 10/9/2014Prepared by Microsoft Page 33HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Subcatchment 10S: Pond Runoff=0.53 cfs @ 12.07 hrs, Volume=0.033 af, Depth>3.81" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=6.00" Area (sf)CNDescription 2,63498Water Surface, HSG B 1,83561>75% Grass cover, Good, HSG B 4,46983Weighted Average 1,83541.06% Pervious Area 2,63458.94% Impervious Area TcLengthSlopeVelocityCapacityDescription (min)(feet)(ft/ft)(ft/sec)(cfs) 15.0 Direct Entry, Subcatchment 10S: Pond Runoff Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Type II 24-hr 100 Year Rainfall=6.00" Runoff Area=4,469 sf Runoff Volume=0.033 af Runoff Depth>3.81" Tc=15.0 min CN=83 0.53 cfs Type II 24-hr 100 Year Rainfall=6.00"Proposed Printed 10/9/2014Prepared by Microsoft Page 34HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Pond 1P: Pond Inflow Area =1.090 ac,88.46% Impervious, Inflow Depth > 4.86" for 100 Year event Inflow=6.21 cfs @ 12.06 hrs, Volume=0.441 af Outflow=4.72 cfs @ 12.16 hrs, Volume=0.403 af, Atten= 24%, Lag= 6.0 min Primary=4.72 cfs @ 12.16 hrs, Volume=0.403 af Routing by Stor-Ind method, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Starting Elev= 934.00' Surf.Area= 2,635 sf Storage= 2,246 cf Peak Elev= 935.80' @ 12.16 hrs Surf.Area= 4,086 sf Storage= 8,303 cf (6,058 cf above start) Plug-Flow detention time= 122.3 min calculated for 0.350 af (79% of inflow) Center-of-Mass det. time= 49.6 min ( 793.9 - 744.3 ) VolumeInvertAvail.StorageStorage Description #1931.00'9,126 cf Custom Stage Data (Prismatic) Listed below (Recalc) ElevationSurf.AreaInc.StoreCum.Store (feet)(sq-ft)(cubic-feet)(cubic-feet) 931.006700 933.00574641641 934.002,6351,6052,246 936.004,2456,8809,126 DeviceRouting InvertOutlet Devices #1Primary934.00'12.0" Round Culvert L= 20.0' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 934.00' / 933.80' S= 0.0100 '/' Cc= 0.900 n= 0.011 Concrete pipe, straight & clean, Flow Area= 0.79 sf #2Device 1935.55'2.0' long Sharp-Crested Rectangular Weir 2 End Contraction(s) #3Device 1934.45'0.6' long Sharp-Crested Rectangular Weir 2 End Contraction(s) 0.8' Crest Height #4Device 1935.22'1.4' long Sharp-Crested Rectangular Weir 2 End Contraction(s) Primary OutFlow Max=4.67 cfs @ 12.16 hrs HW=935.80' (Free Discharge) 1=Culvert (Passes 4.67 cfs of 4.90 cfs potential flow) 2=Sharp-Crested Rectangular Weir (Weir Controls 0.79 cfs @ 1.63 fps) 3=Sharp-Crested Rectangular Weir (Weir Controls 2.04 cfs @ 4.58 fps) 4=Sharp-Crested Rectangular Weir (Weir Controls 1.84 cfs @ 2.49 fps) Type II 24-hr 100 Year Rainfall=6.00"Proposed Printed 10/9/2014Prepared by Microsoft Page 35HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Pond 1P: Pond Inflow Primary Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 6 5 4 3 2 1 0 Inflow Area=1.090 ac Peak Elev=935.80' Storage=8,303 cf 6.21 cfs 4.72 cfs Type II 24-hr 100 Year Rainfall=6.00"Proposed Printed 10/9/2014Prepared by Microsoft Page 36HydroCAD® 10.00 s/n 00887 © 2012 HydroCAD Software Solutions LLC Summary for Link 9L: Total Inflow Area =1.544 ac,66.64% Impervious, Inflow Depth > 3.78" for 100 Year event Inflow=5.89 cfs @ 12.14 hrs, Volume=0.486 af Primary=5.89 cfs @ 12.14 hrs, Volume=0.486 af, Atten= 0%, Lag= 0.0 min Primary outflow = Inflow, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Link 9L: Total Inflow Primary Hydrograph Time (hours) 201918171615141312111098765 Fl o w ( c f s ) 6 5 4 3 2 1 0 Inflow Area=1.544 ac 5.89 cfs 5.89 cfs P8 Urban Catchment Model, Version 3.4 Run Date10/09/14 Casep8_proposed.p8cFirstDate01/01/71Precip(in)50.4 TitleStartup Case LastDate12/31/72Rain(in)40.76 PrecFilemsp_4989.pcpEvents134Snow(in)9.67 PartFilenurp50.p8p TotalHrs16440TotalYrs1.88 Case Title Startup Case Case Data File p8_proposed.p8c Path L:\PROJECTS\CEN19486\Documents\Stormwater\2nd Entrance Update - 10-9-14\p8\ Case Notes: Storm Data File msp_4989.pcp Particle File nurp50.p8p Air Temp File Filemsp_4889.tmp Time Steps Per Hour 4 Minimum Inter-Event Time (hrs)10 Maximum Continuity Error %2 Rainfall Breakpoint (inches)0.8 Precipitation Scale Factor1 Air Temp Offset (deg-F)0 Loops Thru Storm File 1 Simulation Dates Start 6/1/1970 Keep 1/1/1971 Stop 12/31/1972 Max Snowfall Temperature (deg-f)32.0 SnowMelt Temperature (deg-f)32.0 Snowmelt Coef (in/degF-Day) 0.06 Soil Freeze Temp (deg-F)32.0 Snowmelt Abstraction Factor1.00 Evapo-Trans. Calibration Factor1.00 Growing Season Start Month5 Growing Season End Month10 5-Day Antecedent Rainfall + Runoff (inches) CN Antecedent Moisture ConditionAMC-IIAMC-III Growing Season 1.402.10 NonGrowing Season 0.501.10 Watershed Data Watershed Name CB-104CB-103CB-102CB-101CB-201RoofPond Runoff to Device Pond 1Pond 1Pond 1Pond 1Pond 1Pond 1Pond 1 Infiltration to Device Watershed Area 0.170.230.170.0820.130.180.1 SCS Curve Number (Pervious)61616161616161 Scale Factor for Pervious Runoff Load1111111 Indirectly Connected Imperv Fraction0000000 UnSwept Impervious Fraction0000010 UnSwept Depression Storage (inches)0.020.020.020.020.020.020.02 UnSwept Imperv. Runoff Coefficient1111111 UnSwept Scale Factor for Particle Loads1111111 Swept Impervious Fraction0.65111100 Swept Depression Storage (inches)0.020.020.020.020.020.020.02 Swept Imperv. Runoff Coefficient1111111 Swept Scale Factor for Particle Loads1111111 Sweeping Frequency 1111100 Sweeping Efficiency 1111111 Sweeping Start Date (MMDD)101101101101101101101 Sweeping Stop Date (MMDD)1231123112311231123112311231 simple startup case one device (wet pond) Device Data Device Name Pond 1Filter Strip Device Type PONDINF_BASIN Infiltration Outlet Normal Outlet Filter Strip Spillway Outlet Particle Removal Scale Factor11 Bottom Elevation (ft)931932 Bottom Area (acres)0.00150.0053 Permanent Pool Area (acres)0.061 Permanent Pool Volume (ac-ft)0.05 Perm Pool Infilt Rate (in/hr)0 Flood Pool Area (acres)0.0980.0053 Flood Pool Volume (ac-ft)0.050.0106 Flood Pool Infilt Rate (in/hr)00.8 Infilt Basin Void Fraction (%)40 Detention Pond Outlet Parameters Outlet Type ORIFICE Outlet Orifice Diameter (in)12 Orifice Discharge Coef 1 Outlet Weir Length (ft) Weir Discharge Coef Perforated Riser Height (ft) Number of Holes in Riser Holes Diameter Flood Pool Drain Time (hrs) Swale Parameters Length of Flow Path (ft) Slope of Flow Path % Bottom Width (ft) Side Slope (ft-v/ft-h) Maximum Depth of Flow (ft) Mannings n Constant Hydraulic Model Pipe, Splitter, Aquifer Parameter Hydraulic Res. Time (hrs) Particle Data Particle Filenurp50.p8p Particle ClassP0%P10%P30%P50%P80% Filtration Efficiency (%)90100100100100 Settling Velocity (ft/hr)00.030.31.515 First Order Decay Rate (1/day)00000 2nd Order Decay (1/day-ppm)00000 Impervious Runoff Conc (ppm)10000 Pervious Runoff Conc (ppm)1100100100200 Pervious Conc Exponent01111 Accum. Rate (lbs-ac-day)01.751.751.753.5 Particle Removal Rate (1/day)00.250.250.250.25 Washoff Coefficient020202020 Washoff Exponent02222 Sweeper Efficiency000515 Water Quality Component Data Component NameTSSTPTKNCUPBZNHC Water Quality Criteria (ppm) Level 150.025220.0250.1 Level 2100.0510.00480.0140.03620.5 Level 3200.10.50.020.150.381 Content Scale Factor1111111 Particle Composition (mg/kg) P0%099000600000136002000640000250000 P10%1000000385015000340180160022500 P30%1000000385015000340180160022500 P50%1000000385015000340180160022500 P80%100000000340180022500