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Type II 24-hr 10-Year Rainfall=4.26"21308 - PROPOSED <br /> Printed 7/15/2021Prepared by {enter your company name here} <br />Page 21HydroCAD® 10.10-6a s/n 02202 © 2020 HydroCAD Software Solutions LLC <br />Time span=0.00-240.00 hrs, dt=0.01 hrs, 24001 points <br />Runoff by SCS TR-20 method, UH=SCS, Weighted-Q <br />Reach routing by Stor-Ind method - Pond routing by Stor-Ind method <br />Runoff Area=59,528 sf 87.34% Impervious Runoff Depth=3.80"Subcatchment PR1: PR1 (DRAINS TO 1P) <br /> Tc=6.0 min CN=WQ Runoff=7.92 cfs 0.433 af <br />Runoff Area=22,584 sf 9.33% Impervious Runoff Depth=2.42"Subcatchment PR2: PR2 (DRAINS OFFSITE <br /> Tc=6.0 min CN=WQ Runoff=2.18 cfs 0.105 af <br />Peak Elev=926.82' Storage=7,794 cf Inflow=7.92 cfs 0.433 afPond 1P: FILTRATION BASIN <br /> Outflow=0.81 cfs 0.433 af <br />Total Runoff Area = 1.885 ac Runoff Volume = 0.538 af Average Runoff Depth = 3.42" <br />34.12% Pervious = 0.643 ac 65.88% Impervious = 1.242 ac