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Type II 24-hr 100-year Rainfall=7.29"25018 Proposed Hydro <br /> Printed 10/29/2025Prepared by Land & Resource Consulting Inc <br />Page 28HydroCAD® 10.20-7a s/n 12643 © 2025 HydroCAD Software Solutions LLC <br />Time span=0.00-72.00 hrs, dt=0.01 hrs, 7201 points <br />Runoff by SCS TR-20 method, UH=SCS, Weighted-Q <br />Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method <br />Runoff Area=15,300 sf 15.69% Impervious Runoff Depth=6.27"Subcatchment 1S: Site to Lowpoint <br /> Tc=7.0 min CN=WQ Runoff=3.30 cfs 8,000 cf <br />Runoff Area=8,900 sf 7.87% Impervious Runoff Depth=5.90"Subcatchment 2S: Site to East <br /> Tc=7.0 min CN=WQ Runoff=1.84 cfs 4,375 cf <br />Runoff Area=14,200 sf 19.72% Impervious Runoff Depth=6.61"Subcatchment 3S: Offsite North to <br /> Tc=7.0 min CN=WQ Runoff=3.18 cfs 7,824 cf <br />Runoff Area=7,800 sf 25.64% Impervious Runoff Depth=6.33"Subcatchment 4S: Offsite Southwest to <br /> Tc=7.0 min CN=WQ Runoff=1.69 cfs 4,111 cf <br />Runoff Area=2,100 sf 100.00% Impervious Runoff Depth=7.05"Subcatchment 5S: Site to Road <br /> Tc=7.0 min CN=98 Runoff=0.49 cfs 1,234 cf <br />Runoff Area=3,800 sf 63.16% Impervious Runoff Depth=6.04"Subcatchment 6S: Site to Driveway Culvert <br /> Tc=7.0 min CN=WQ Runoff=0.79 cfs 1,911 cf <br /> Inflow=8.24 cfs 26,487 cfReach 1R: Site Total <br /> Outflow=8.24 cfs 26,487 cf <br /> Inflow=6.62 cfs 22,112 cfReach 2R: Site to West <br /> Outflow=6.62 cfs 22,112 cf <br />Avg. Flow Depth=0.63' Max Vel=7.56 fps Inflow=3.97 cfs 9,735 cfReach 3R: Driveway Culvert <br />12.0" Round Pipe n=0.013 L=30.0' S=0.0233 '/' Capacity=5.44 cfs Outflow=3.97 cfs 9,735 cf <br />Peak Elev=960.25' Storage=3,444 cf Inflow=8.95 cfs 21,846 cfPond 1P: Onsite Lowpoint <br /> Discarded=0.01 cfs 968 cf Primary=6.27 cfs 20,879 cf Outflow=6.28 cfs 21,846 cf <br />Total Runoff Area = 52,100 sf Runoff Volume = 27,455 cf Average Runoff Depth = 6.32" <br />76.20% Pervious = 39,700 sf 23.80% Impervious = 12,400 sf