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Home My WebLink AboutApplication Files_82693_pg0684 72189 PR Type 11124-hr 2-Year Storm Rainfall=3.20" Prepared by(enter your company name here} Printed 7/26/2011 ' HVdroCAD®9.10 s/n 01237 ©2009 HydroCAD Software Solutions LLC Page 9 _ Area (sf) - CN Description - 18,985 60 Woods, Fair, HSG B 7,285 35 Brush, Fair, HSG A 9,727 85 Gravel roads, HSG B ' 109,333 56 Brush, Fair, HSG B 4,866 61 >75% Grass cover, Good, HSG B 150,196 58 Weighted Average ' 150,196 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (rain) (feet) (ft/ft) (ft(sec) (cfs) ' 14.2 50 0.0140 0.06 Sheet Flow,A-B Woods: Light underbrush n= 0.400 P2= 3.20" 0.6 75 0.2000 2.24 Shallow Concentrated Flow, B-C _ Woodland Kv= 5.0 fps 14.8 125 Total Summary for Subcafichment PRU: Pervious Pavement Areas Runoff - 2.09 cfs @ 12.10 hrs, Volume= 0.161 af, Depth= 0.98" 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 8,504 98 Impervious 41,183 98 Pervious Pavement 36,119 39 >75% Grass cover, Good, HSG A 85,806 73 Weighted Average 36,119 42.09% Pervious Area 49,687 57.91% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) ' 6.0 Direct Entry, Min. Te=6.0 Summary for Subcafichment PR1 K: Drainage Direct to Pond ' Runoff = 0.18 cfs @ 12.15 hrs, Volume= 0.025 af, Depth= 0.37" 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 11,814 98 Water 23,605 39 >75% Grass cover, Good, HSG A , 35,419 59 Weighted Average 23,605 66.65% Pervious Area 11,814 33.35% Impervious Area '