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Home My WebLink AboutApplication Files_82693_pg0685 72189 PR Type Ill 24-hr 2-Year Storm Rainfall=3.20" Prepared by{enter your company name here} Printed 7/26/2011 HydroCAD®9.10 s/n 01237 02009 HydroCAD Software Solutions LLC Page 10 ' Tc Length Slope Velocity_ Capacity Description (min) (feet) (ftlft) (ft/sec) (cfs) 6.0 Direct Entry, Min.Tc=6.0 Summary for Subcatchment PR1L.: Roadway in front of Studio 3 ' Runoff - 0.65 cfs @ 12.09 hrs, Volume= 0.053 af, Depth= 2.97" Runoff by SCS TR-20 method, UH=SCS, Time Span=0.00-72.00 hrs, dt= 0.05 hrs ' Type III 24-hr 2-Year Storm Rainfall=3.20" Area(sf) CN _ Description 9,344 98 Impervious 9,344 100.00% Impervious Area Tc Length Slope Velocity Capacity Description min feet ft/ft ft/sec cfs 6.0 Direct Entry, Min Tc=6.0 Summary for Subcatchment PRIM: Majority of Site Runoff = 41.48 cfs @ 12.09 hrs, Volume= 3.191 af, Depth= 2.64" Runoff by SCS TR-20 method, UH=SCS, Time Span=0.00-72.00 hrs, dt=0.05 hrs Type III 24-hr 2-Year Storm Rainfall=3.20" Area (sf)- CN Description 18,680 39 >75%Grass cover, Good, HSG A ' 19,911 61 >75%Grass cover, Good, HSG B 592,094 98 Impervious 630,685 95 Weighted Average 38,591 6.12% Pervious Area ' 592,094 93.88% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft(ft) (ft/sec) (cfs) 6.0 Direct Entry, Min.Tc=6.0 Summary for Subcatchment PR2: Offsite Chapel Road Runoff - 0.30 cfs'@ 12.12 hrs, Volume= 0.029 af, Depth= 0.56" ' Runoff by SCS.TR-20 method, UH=SCS,Time Span= 0.00-72.00 hrs, dt= 0.05 hrs Type III 24-hr 2-Year Storm Rainfall=3.20"