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Home My WebLink AboutApplication Files_82693_pg0642 72189 EX Type 11124-hr 10-Year Storm Rainfall=4.70" Prepared by{enter your company name here} Printed 7/26/2011 , HvdroCAD®9 10 s/n 01237 O 2009 HydroCAD Software Solutions LLC Page 16 Tc Length_ .Slope Velocity Capacity Description- (min) (feet) (ft/ft) (ftlsec) (cfs) 9.3 50 0.0400 0.09 Sheet Flow,A-B Woods: Light underbrush n= 0.400 P2=.3.20" 20.7 340 0.0030 0.27 Shallow Concentrated Flow, B-C Woodland Kv= 5.0 fps 7.4 850 0.0090 1.93 Shallow Concentrated Flow, C-D Paved Kv=20.3 fps , 3.2 240 0.0060 1.25 Shallow Concentrated Flow, D-E Unpaved Kv= 16.1 fps 40.6 1,480 Total Summary for Subcatchment EX2: Chapel Road Access [49] Hint: Tc<2dt may require smaller dt Runoff - 1.06 cfs @ 12.10 hrs, Volume= 0.081 af, Depth= 1.46" Runoff:by SCS TR-20 method, UH=SCS, Time Span=0.00-72.00 hrs, dt=0.05 hrs Type III 24-hr 10-Year Storm Rainfall=4.70" Area (sf) CN Description 17,733 69 50-75% Grass cover, Fair, HSG B 6,281 60 Woods, Fair, HSG B 5,046 56 Brush, Fair, HSG B 29,060 65 . Weighted Average 29,060 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (,cfs) 4.3 50 0.0400 0.20 Sheet Flow,A-B Grass: Short n=0.150 P2= 3.20" 0.6 115 0.0430 3.11 Shallow Concentrated Flow, B-C Grassed Waterway Kv= 15.0 fps ' 0.7 75 0.0160 1.90 Shallow Concentrated Flow, C-D Grassed Waterway Kv= 15.0 fps 5.6 240 Total Summary for Subcatchment EX3:.Wetland Area Runoff = 0.00 cfs @ 14.72 hrs, Volume= 0.002 af, Depth= 0.12" ' Runoff by SCS TR-20 method, UH=SCS, Time Span=0.00-72.00 hrs, dt= 0.05 hrs Type III 24-hr 10-Year Storm Rainfall=4.70".