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prepared by Adam Parker PE (MN,WI,TX,BC,AB) <br />387 -Orono Orchard Road -Drainage GRAYS 24 -hr S1 1 -yr Rainfall=2.50" <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 5 <br />Summary for Pond 3P: RG1 <br />Inflow Area = 3.684 ac, 26.43% Impervious, Inflow Depth > 0.74" for 1 -yr event <br />Inflow = 1.79 cfs @ 12.31 hrs, Volume= 0.227 of <br />Outflow = 0.62 cfs @ 12.89 hrs, Volume= 0.212 af, Atten= 66%, Lag= 34.8 min <br />Primary = 0.62 cfs @ 12.89 hrs, Volume= 0.212 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= 993.67' @ 12.89 hrs Surf.Area= 6,231 sf Storage= 7,437 cf (3,714 cf above start) <br />Plug -Flow detention time= 319.0 min calculated for 0.127 of (56% of inflow) <br />Center -of -Mass det. time= 84.2 min ( 897.0 - 812.8 ) <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=0.62 cfs @ 12.89 hrs HW=993.67' (Free Discharge) <br />11=6" Tile Outlet with filter rock section outlet (Orifice Controls 0.62 cfs @ 3.13 fps) <br />2=Emergency Overflow ( Controls 0.00 cfs) <br />