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COVENANT MEADOWS A Type 11 24-hr 10 YEAR Rainfall=4.25" <br />Prepared by ROSHELL ENGINEERING Printed 5/3/2017 <br />HydroCAD® 10.00-15 s/n 01744 © 2015 HydroCAD Software Solutions LLC Page 21 <br />Summary for Pond 1 P: NE POND <br />Inflow Area = 2.400 ac, 20.00% Impervious, Inflow Depth = 0.45" for 10 YEAR event <br />Inflow = 0.88 cfs @ 12.09 hrs, Volume= 0.091 af <br />Outflow = 0.10 cfs @ 14.22 hrs, Volume= 0.091 af, Atten= 89%, Lag= 127.6 min <br />Discarded = 0.10 cfs @ 14.22 hrs, Volume= 0.091 af <br />Routing by Stor-Ind method, Time Span= 5.00-120.00 hrs, dt= 0.01 hrs <br />Peak Elev= 884.21' @ 14.22 hrs Surf.Area= 5,387 sf Storage= 1,125 cf <br />Plug -Flow detention time= 120.4 min calculated for 0.091 af (100% of inflow) <br />Center -of -Mass det. time= 120.4 min (1,058.8 - 938.4 ) <br />Volume Invert Avail.Storage Storage Description <br />#1 884.00' 21,286 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 />884.00 5,118 0 0 <br />885.00 6,374 5,746 5,746 <br />886.00 7,720 7,047 12,793 <br />887.00 9,265 8,493 21,286 <br />Device Routing Invert Outlet Devices <br />#1 Discarded 884.00' 0.800 in/hr Exfiltration over Surface area <br />Discarded OutFlow Max=0.10 cfs @ 14.22 hrs HW=884.21' (Free Discharge) <br />4-1=Exfiltration (Exfiltration Controls 0.10 cfs) <br />You created this PDF from an application that is not licensed to print to novaPDF printer (http://www.novapdf.com) <br />