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Stonebrooke Engineering <br /> 3227 Casco Circle, Orono MN Courtyard Type ll 24-hr 100-year(2) Rainfa11=5.90"x 2 <br /> Prepared by Stonebrooke Engineering Printed 9/19/2013 <br /> HydroCADO 10.00 s/n 02307 O 2012 HydroCAD Software Solutions LLC Page 8 <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 /> Subcatchment14S: (new Subcat) Runoff Area=3,657 sf 23.76% Impervious Runoff Depth=9.25" <br /> Tc=7.0 min CN=80 Runoff=0.65 cfs 0.065 af <br /> Pond 13P: filtration basin Peak Elev=947.29' Storage=621 cf Inflow=0.65 cfs 0.065 af <br /> Outflow=0.64 cfs 0.052 af <br /> Total Runoff Area = 0.084 ac Runoff Volume = 0.065 af Average Runoff Depth = 9.25" <br /> 76.24% Pervious = 0.064 ac 23.76% Impervious = 0.020 ac <br />