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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 25 <br />Summary for Pond 3P: NW POND <br />Inflow Area = 5.830 ac, 20.00% Impervious, Inflow Depth = 0.45" for 10 YEAR event <br />Inflow = 1.44 cfs @ 12.24 hrs, Volume= 0.221 af <br />Outflow = 0.16 cfs @ 17.22 hrs, Volume= 0.221 af, Atten= 89%, Lag= 298.8 min <br />Discarded = 0.16 cfs @ 17.22 hrs, Volume= 0.221 af <br />Routing by Stor-Ind method, Time Span= 5.00-120.00 hrs, dt= 0.01 hrs <br />Peak Elev= 894.46' @ 17.22 hrs Surf.Area= 8,509 sf Storage= 3,745 cf <br />Plug -Flow detention time= 291.3 min calculated for 0.221 af (100% of inflow) <br />Center -of -Mass det. time= 291.3 min (1,239.1 - 947.9 ) <br />Volume Invert Avail.Storage Storage Description <br />#1 894.00' 30,265 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 />894.00 7,853 0 0 <br />895.00 9,287 8,570 8,570 <br />897.00 12,408 21,695 30,265 <br />Device Routing Invert Outlet Devices <br />#1 Discarded 894.00' 0.800 in/hr Exfiltration over Surface area <br />Discarded OutFlow Max=0.16 cfs @ 17.22 hrs HW=894.46' (Free Discharge) <br />4-1=Exfiltration (Exfiltration Controls 0.16 cfs) <br />You created this PDF from an application that is not licensed to print to novaPDF printer (http://www.novapdf.com) <br />