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� � . <br /> Stonebrooke Engineering <br /> 3227 G��co Circle, Orono MN Courtyard Type ll 24-hr 10-year Rainfall=4.15" <br /> Prepared by Stonebrooke Engineering Printed 9/19/2013 <br /> HydroCADO 10.00 s/n 02307 O 2012 HydroCAD Software Solutions LLC Paqe 2 <br /> Time span=1.00-50.00 hrs, dt=0.01 hrs, 4901 points <br /> Runoff by SCS TR-20 method, UH=SCS <br /> Reach routing by Stor-Ind method - Pond routing by Stor-Ind method <br /> Subcatchment 14S: (new Subcat) Runoff Area=3,657 sf 23.76% Impervious Runoff Depth=2.17" <br /> Tc=7.0 min CN=80 Runoff=0.31 cfs 0.015 af <br /> Pond 13P: filtration basin Peak EIev=947.20' Storage=571 cf Inflow=0.31 cfs 0.015 af <br /> Outflow=0.00 cfs 0.004 af <br /> Total Runoff Area = 0.084 ac Runoff Volume = 0.015 af Average Runoff Depth = 2.17" <br /> 76.24% Pervious = 0.064 ac 23.76% Impervious = 0.020 ac <br />