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HomeMy WebLinkAboutApplication Files_82693_pg0671 72189 EX Type 11124-hr 100-Year Storm Rainfall=6.90" ' Prepared by {enter your company name here} Printed 7/2612011 HydroCAD®9.10 s/n 01237 OO 2009 HydroCAD Software Solutions LLC Page 43 Volume Invert Avail.Storage Storage Description #1 59.00, 79,333 cf Custom Stage Data(Prismatic)Listed below(Recale) ' Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 59.00 13,925 0 0 60.00 23,360 18,643 18,643 61.00 30,724 27,042 45,685 62.00 36,572 33,648 791333 ' Device Routing Invert Outlet Devices #1 Primary 62.00' 15.0' long x' 30.0' 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) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 #2 Discarded 59.00' 25.000 inlhr Exfiltration over Surface area ' Discarded OutFlow Max=8.07 cfs @ 12.46.hrs HW=59.00' (Free Discharge) L2=Exfiltration (Exfiltration Controls 8.07 cfs) Primary OutFlow Max--0.00 cfs @ 0.00 hrs HW=59.00' (Free Discharge) L1=Broad-Crested Rectangular Weir( Controls 0.00 cfs) Summary for Pond P4B: Depression Behind Buildings Inflow Area = 3.645 ac, 7.51%Impervious, Inflow Depth = 1.28" for 100-Year Storm event ' Inflow 4.02.cfs @ 12.22 hrs, Volume= 0.388 of Outflow 2.03 cfs @ 12.54 hrs, Volume= 0.388 af, Atten=49%, Lag= 18.8 min Discarded = 2.03 cfs @ 12.54 hrs, Volume= 0.388 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=60.49'@ 12.54 hrs Surf.Area=3,514 sf Storage=3,079 cf ' Plug-Flow detention time=11.2 min calculated for 0.388 of(100% of inflow) Center-of-Mass det. time 11.2 min ( 858.3-847.1 ) Volume Invert Avail.Storage Storage Description #1 59.00, 22,461 cf Custom Stage Data (Prismatic)Listed below(Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (so) (cubic-feet) (cubic-feet) 59.00 641 0 0 60.00 2,547 1,594 1,594 61.00 4,520 . 3,534 5,128 62.00 7,622 6,071 11;199 ' 63.00 .14,902 11,262 22,461 Device Routing Invert Outlet Devices ' #1 Primary 62.00' 30.0'long x 15.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60