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IVY PLACE - EXISTING CONDITIONS <br /> 17059 - IVY PLACE - EXISTING Type II 24-hr 10-YEAR Rainfall=4.24" <br /> Prepared by {enter your company name here} Printed 10/18/2017 <br /> HydroCAD® 10.00-20 s/n 02202 ©2017 HydroCAD Software Solutions LLC Page 12 <br /> Time span=0.00-24.00 hrs, dt=0.01 hrs, 2401 points <br /> Runoff by SCS TR-20 method, UH=SCS, Weighted-CN <br /> Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method <br /> SubcatchmentEX 1: EXISTING DRAINAGE Runoff Area=48,753 sf 0.00% Impervious Runoff Depth>2.24" <br /> Tc=10.0 min CN=80 Runoff=3.86 cfs 0.209 af <br /> SubcatchmentEX 2: EXISTING DRAINAGE Runoff Area=45,327 sf 0.67% Impervious Runoff Depth>2.24" <br /> Tc=10.0 min CN=80 Runoff=3.59 cfs 0.194 af <br /> Reach 1R: TOTAL Inflow=7.45 cfs 0.401 af <br /> Outflow=7.45 cfs 0.401 af <br /> Pond 2P: EX WETLAND Peak Elev=930.98' Storage=81 cf Inflow=3.86 cfs 0.209 af <br /> Discarded=0.00 cfs 0.000 af Primary=3.86 cfs 0.207 af Outflow=3.86 cfs 0.207 af <br /> Total Runoff Area = 2.160 ac Runoff Volume = 0.402 af Average Runoff Depth = 2.24" <br /> 99.68% Pervious = 2.153 ac 0.32% Impervious = 0.007 ac <br />