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Home My WebLink AboutApplication Files_82693_pg0670 72189 EX Type 111 24-hr 100-Year Storm Rainfall=6.90" Prepared by{enter your.company name here) Printed 7/2612011 HvdroCADO 9.10 s/n 01237 U 2009 HydroCAD Software Solutions LLC Page 42 Summary for Pond P1 B: Depression By Railroad Tracks Inflow Area = 42.004 ac, 7.69% Impervious, Inflow Depth = 2.22" for 100-Year Storm event Inflow = 53.34 cfs @ 12.57 hrs, Volume= 7.786 of Outflow - 44.94 cfs @ 12.78 hrs, Volume= 7.786 af, Atten= 16%, Lag= 12.5 min Discarded = 44.94 cfs @ 12.78 hrs, Volume= 7.786 of Primary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of ' Routing by Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs Peak Elev= 55.59'@ 12.78 hrs Surf.Area=77,587 sf Storage= 27,551 cf Plug-Flow detention time=5.1 min calculated for 7.781 of(100% of inflow) Center-of-Mass det. time=5.1 min ( 868.7- 863.6 ) Volume Invert Avall.Storage Storage Description #1 55.00, 1,261,023 cf Custom Stage Data (Irregular)Listed below(Recalc) Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq-ft) (feet) (cubic-feet) (cubic feet) (sq-ft 55.00 21,256 695.0 0 0 21,256 56.00 136,734 2,386.0 70,634 70,634 435,855 , 57.00 212,318 3,155.0 173,146 243,779 774,948 58.00 270,171 4,403.0 240,664 484,444 1,525,563 59.00 400,500 5,915.0 333,205 817,648 2,767,047 60.00 487,678 4,793.0 443,374 1,261,023 3,723,136 Device Routing Invert Outlet Devices #1 Discarded 55.00' 25.000 in/hr Exfiltration over Surface area . .#2 - Primary 63.00' 50.0' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0:20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Discarded OutFlow Max=44.84 cfs @ 12.78 hrs HW=55.59' (Free Discharge) 'L1=Exfiltration (Exfiltration Controls 44.84 cfs) Primary OutFlow Max=0.00 cfs @ 0.00 hrs HW=55.00' (Free Discharge) L2=Broad-Crested Rectangular Weir( Controls 0.00 cfs) Low Point Summary for Pond P4A.' o t in Woods Inflow Area= 2.203 ac, 0.00% Impervious, Inflow Depth = 0.80" for 100-Year Storm event Inflow - 0.82 cfs @ 12.45 hrs, Volume= 0.148 of Outflow = 0.82 cfs @ 12.46 hrs, Volume= 0.148 af, Atten= 0%, Lag= 0.9 min Discarded = 0.82 cfs @ 12.46 hrs, Volume= 0.148 of Primary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span=0.00-72.00 hrs, dt=0.05 hrs Peak Elev= 59.00'@ 12.46 hrs Surf.Area= 13,953 sf Storage=42 cf Plug-Flow detention time=0.9 min calculated for 0.148 of(100% of inflow) Center-of-Mass det. time=0.9 min ( 940.0-939.1 )