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prepared by Adam Parker PE (MN,WI,TX,BC,AB) <br />387 -Orono Orchard Road -Drainage GRAYS 24 -hr S1 100 -yr Rainfall= 7.40 " <br />Prepared by {enter your company name here} Printed 6/20/2018 <br />HvdroCADO 10.00-11 s/n 01636 © 2014 HvdroCAD Software Solutions LLC Paae 15 <br />Summary for Pond 3P: RG1 <br />Inflow Area = 3.684 ac, 26.43% Impervious, Inflow Depth > 4.07" for 100 -yr event <br />Inflow = 11.84 cfs @ 12.32 hrs, Volume= 1.251 of <br />Outflow = 6.19 cfs @ 12.72 hrs, Volume= 1.212 af, Atten= 48%, Lag= 24.5 min <br />Primary = 6.19 cfs @ 12.72 hrs, Volume= 1.212 of <br />Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs <br />Starting Elev= 993.00' Surf.Area= 4,791 sf Storage= 3,723 cf <br />Peak Elev= 995.78' @ 12.72 hrs Surf.Area= 10,724 sf Storage= 25,269 cf (21,546 cf above start) <br />Plug -Flow detention time= 197.0 min calculated for 1.127 of (90% of inflow) <br />Center -of -Mass det. time= 119.3 min ( 928.3 - 809.0 ) <br />Volume <br />Invert Avail.Storage Storage <br />Description <br />#1 <br />992.00' <br />27,710 cf Custom Stage Data (Prismatic)Listed below (Recalc) <br />Elevation <br />Surf.Area <br />Inc.Store <br />Cum.Store <br />(feet) <br />(sq -ft) <br />(cubic -feet) <br />(cubic -feet) <br />992.00 <br />2,655 <br />0 <br />0 <br />996.00 <br />11,200 <br />27,710 <br />27,710 <br />Device Routing Invert Outlet Devices <br />#1 Primary 993.00' 6.0" Vert. 6" Tile Outlet with filter rock section outlet C= 0.600 <br />#2 Primary 995.50' Emergency Overflow, Cv= 2.62 (C= 3.28) <br />Head (feet) 0.00 0.50 <br />Width (feet) 8.00 16.00 <br />Primary OutFlow Max=6.12 cfs @ 12.72 hrs HW=995.78' (Free Discharge) <br />11=6" Tile Outlet with filter rock section outlet (Orifice Controls 1.50 cfs @ 7.65 fps) <br />2=Emergency Overflow (Weir Controls 4.62 cfs @ 1.64 fps) <br />