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IVY PLACE - PROPOSED CONDITIONS <br /> 17059 - IVY PLACE - PROPOSED Type II 24-hr 1-YEAR Rainfall=2.47" <br /> Prepared by Microsoft Printed 7/17/2017 <br /> HydroCAD® 10.00-19 s/n 02202 ©2016 HydroCAD Software Solutions LLC Page 7 <br /> Summary for Subcatchment PR 1A: PROP DA 1A <br /> Runoff = 0.30 cfs @ 11.97 hrs, Volume= 0.013 af, Depth> 1.32" <br /> Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-20.00 hrs, dt= 0.01 hrs <br /> Type II 24-hr 1-YEAR Rainfall=2.47" <br /> Area (sf) CN Description <br /> 2,626 98 Paved parking, HSG D <br /> 2,573 80 >75% Grass cover, Good, HSG D <br /> 5,199 89 Weighted Average <br /> 2,573 49.49% Pervious Area <br /> 2,626 50.51% Impervious Area <br /> Tc Length Slope Velocity Capacity Description <br /> (min) (feet) (ft/ft) (ft/sec) (cfs) <br /> 6.0 Direct Entry, <br /> Subcatchment PR 1A: PROP DA 1A <br /> Hydrograph <br /> L Runoff <br /> 0.32 0.30 cfs <br /> °3= Type II 24-hr <br /> 0.28 <br /> 0.26-: 1-YEAR Rainfall=2.47" <br /> 0.24 Runoff Area=5,199 sf I/ <br /> °D2 Runoff Volume=0.013 af I/ <br /> 0.18- Runoff Depth>1 .32" i/ <br /> Tc=6.0 min 10 <br /> 0.14- <br /> 0.12- CN=89 • <br /> 0.1 <br /> 0.08- <br /> 0.04- <br /> 0.02- <br /> 0 i�1/Il///l%/ //.rn <br /> 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 <br /> Time (hours) <br />