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25443 - SL MOUNDS VIEW - PROPOSED <br /> 25443-PROPOSED MSE 24-hr 3 2-YR Rainfall=2.83" <br /> Prepared by Civil Site Group Printed 12/16/2025 <br /> HydroCADO 10.20-8a s/n 02202 ©2025 HydroCAD Software Solutions LLC Page 8 <br /> Summary for Subcatchment OFF-PR4: OFFSITE PR4 - OFFSITE TO FIL. BASIN 1 <br /> Runoff = 3.96 cfs @ 12.17 hrs, Volume= 0.236 af, Depth= 2.22" <br /> Routed to Pond 2P : NORTH FILTRATION BASIN 2 <br /> Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-240.00 hrs, dt= 0.01 hrs <br /> MSE 24-hr 3 2-YR Rainfall=2.83" <br /> Area (sf) CN Description <br /> 41,270 98 Paved parking, HSG D <br /> 14,517 80 >75% Grass cover, Good, HSG D <br /> 55,787 Weighted Average <br /> 14,517 26.02% Pervious Area <br /> 41,270 73.98% Impervious Area <br /> Tc Length Slope Velocity Capacity Description <br /> (min) (feet) (ft/ft) (ft/sec) (cfs) <br /> 10.0 Direct Entry, <br /> Subcatchment OFF-PR4: OFFSITE PR4 - OFFSITE TO FIL. BASIN 1 <br /> Hydrograph <br /> 3.96 cfs ❑Runoff <br /> 4 MSE 24-hr $ <br /> 2-YR Rainfall=2.83`' <br /> 3 Runoff Area=55,787 sf <br /> Runoff Volume=0.236 �f <br /> Runoff Depth=2.22" <br /> 3 -�-- - -- - ---------- --- - - - - - - - - - - - - - <br /> LL 2- !TC=10.0 min <br /> CN=WQ <br /> i <br /> 0 <br /> 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 <br /> Time (hours) <br />