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Home My WebLink AboutApplication Files_82693_pg0654 72189 EX Type l//24-hr 25-Year Storm Rainfall=5.50" Prepared by{enter your company name here) Printed 7/26/2011 HydroCAD®9.10 s/n 01237 ©2009 HydroCAD Software Solutions LLC Page 27 - - Tc -Length -Slope-Velocity-.Capacity- -Description-. -- - -- -- - _ - (min) (feet) (ft/ft) (ft/sec) (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 1.50 cfs @ 12.09 hrs, Volume= 0.111 af, Depth= 1.99" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs Type III 24-hr 25-Year Storm Rainfall=5.50" Areas 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 -1 5.6 240 Total Summary for Subcatchment EX3: Wetland Area Runoff - 0.01 cfs @ 12.46 hrs, Volume= 0.005 af, Depth= 0.27" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0,00-72.00 hrs, dt= 0.05 hrs Type III 24-hr 25-Year Storm Rainfall=5.50"