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Home My WebLink AboutApplication Files_82693_pg0630 Type If124-hr 2-Year Storm Rainfall=3.20" 72189 EX enter your compar�Y name here Printed 7/26/2011 Prepared 9 droCAD Software Solutions LLC Page 5 H droCADQ�•10 s/n 01237 OO 2009 l-1 Tc Length Slope Velocity Capacity cf Description ' ftlft ftlsec min feet Sheet Flow, A-B 9.3 50 0.04t30 O.Q9 Woods: Light underbrush n=0.400 P2= 3.20" , 340 0.003a 0.27 Shallow Concentrated Flow, B-C 20.7 Woodland Kv= 5.0 fps 0.0090 1.93 Shallow Concentrated Flow, C-13 850 7.4 Paved Kv=20.3 fps ' 24Q 0.0060 1.25 Shallow Concentrated Flow, D-E 3.2 Unpaved Kv= 16.1 fps 40.6 1,480 Total ' Summary for Subcatchment EX2: Chapel Road Access require smaller dt ' [49]Hint: Tc<2dt may q - 0.37 cfs @ 12.11 hrs, Volume= 0.033 af, Depth= 0.60" Runoff Runoff by SCS TR-20 method, UH=SCS, Time Span-0.00-72.00 hrs, dt=0.05 hrs -type Ili 24-hr 2-Year Storm Rainfall=3.20" ' Area Isf I CN Descri tion 69 50-75°lo Grass cover, Fair, HSG B 6,281 60 Woods, 17, Fair, HSG B ' 81 5,046 56 Brush Fair, HSG B 29,060 65 Weighted Average 29,060 100.00% Pervious Area ' Tc Length Slope Velocity Capacity Description feet ftlft ftlsec cfs , min 0.20 Sheet Flow,A-B 4.3 50 0.0400 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 [451 Hint: Runoff=Zero Runoff - 0.00 cfs @ 0.00 hrs, Volume= 0,000 af, Depth= 0.00" ' SCS TR-20 method, UH=SCS, Time Span=0.00-72.00 hrs, dt=0.05 hrs Runoff by , Type III 24-hr 2-Year Storm Rainfall=3.20"