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PROPOSED CONDITIONS <br />MSE 24-hr 3 2yr Rainfall=2.86"16628 SWMP <br /> Printed 2/10/2022Prepared by {enter your company name here} <br />Page 9HydroCAD® 10.00-25 s/n 00837 © 2019 HydroCAD Software Solutions LLC <br />Summary for Pond 1P: FILTRATION BASIN <br />Inflow Area = 1.296 ac, 28.55% Impervious, Inflow Depth = 1.34" for 2yr event <br />Inflow = 2.39 cfs @ 12.18 hrs, Volume= 0.144 af <br />Outflow = 0.09 cfs @ 14.30 hrs, Volume= 0.144 af, Atten= 96%, Lag= 127.2 min <br />Primary = 0.09 cfs @ 14.30 hrs, Volume= 0.144 af <br />Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs <br />Peak Elev= 933.85' @ 14.30 hrs Surf.Area= 4,970 sf Storage= 3,671 cf <br />Plug-Flow detention time= 401.7 min calculated for 0.144 af (100% of inflow) <br />Center-of-Mass det. time= 401.7 min ( 1,194.3 - 792.6 ) <br />Volume Invert Avail.Storage Storage Description <br />#1 933.00' 10,400 cf Custom Stage Data (Prismatic) Listed below (Recalc) <br />Elevation Surf.Area Inc.Store Cum.Store <br />(feet) (sq-ft) (cubic-feet) (cubic-feet) <br />933.00 3,700 0 0 <br />935.00 6,700 10,400 10,400 <br />Device Routing Invert Outlet Devices <br />#1 Primary 933.00'0.800 in/hr Exfiltration over Surface area <br />#2 Primary 934.00'Custom Weir/Orifice, Cv= 2.62 (C= 3.28) <br />Head (feet) 0.00 1.00 <br />Width (feet) 5.00 11.00 <br />Primary OutFlow Max=0.09 cfs @ 14.30 hrs HW=933.85' (Free Discharge) <br />1=Exfiltration (Exfiltration Controls 0.09 cfs) <br />2=Custom Weir/Orifice ( Controls 0.00 cfs)