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UWA10002 - Alley Ponding Type 11 24-hr 100 -yr Rainfall = 5.90" <br />Prepared by {enter your company name here} Printed 12/1/2010 <br />HydroCAD® 9.10 s/n 01542 © 2009 HydroCAD Software Solutions LLC Page 5 <br />Time span =5.00 -20.00 hrs, dt =0.01 hrs, 1501 points <br />Runoff by SCS TR -20 method, UH =SCS <br />Reach routing by Dyn -Stor -Ind method - Pond routing by Dyn -Stor -Ind method <br />Subcatchment 1S: RD 406A DA Runoff Area =6,695 sf 100.00% Impervious Runoff Depth >5.18" <br />Tc =5.0 min CN =98 Runoff =1.33 cfs 0.066 af <br />Subcatchment 2S: RD 405B DA Runoff Area =3,189 sf 100.00% Impervious Runoff Depth >5.18" <br />Tc =5.0 min CN =98 Runoff =0.64 cfs 0.032 af <br />Subcatchment 3S: RD 404B DA Runoff Area =3,250 sf 100.00% Impervious Runoff Depth >5.18" <br />Tc =5.0 min CN =98 Runoff =0.65 cfs 0.032 af <br />Subcatchment 4S: CB 405A DA Runoff Area =4,701 sf 100.00% Impervious Runoff Depth >5.18" <br />Tc =5.0 min CN =98 Runoff =0.94 cfs 0.047 af <br />Subcatchment 5S: CB 404A DA Runoff Area =1,295 sf 100.00% Impervious Runoff Depth >5.18" <br />Tc =5.0 min CN =98 Runoff =0.26 cfs 0.013 af <br />Subcatchment 6S: CB 403 DA Runoff Area =1,569 sf 100.00% Impervious Runoff Depth >5.18" <br />Tc =5.0 min CN =98 Runoff =0.31 cfs 0.016 af <br />Subcatchment 7S: CB 410A DA Runoff Area =2,119 sf 100.00% Impervious Runoff Depth >5.18" <br />Tc =5.0 min CN =98 Runoff =0.42 cfs 0.021 af <br />Subcatchment 8S: RD 410B DA Runoff Area = 12.918 sf 100.00% Impervious Runoff Depth >5.18" <br />Tc =5.0 min CN =98 Runoff =2.57 cfs 0.128 af <br />Subcatchment 9S: CB 402 DA Runoff Area =2,595 sf 100.00% Impervious Runoff Depth >5.18" <br />Tc =5.0 min CN =98 Runoff =0.52 cfs 0.026 af <br />Reach 1R: NE Sunwood Catch Basin Inflow =8.74 cfs 0.376 af <br />Outflow =8.74 cfs 0.376 af <br />Pond 1P: MH 401 Peak Elev= 873.94' Inflow =8.74 cfs 0.376 af <br />15.0" Round Culvert w/ 7.5" fill n =0.013 L =26.0' S= 0.0081 '/' Outflow =8.74 cfs 0.376 af <br />Pond 2P: CB 402 Peak Elev= 868.91' Storage =170 cf Inflow =5.08 cfs 0.378 af <br />Outflow =8.74 cfs 0.376 af <br />Pond 3P: CB 403 Peak Elev= 869.34' Storage =604 cf Inflow =5.50 cfs 0.353 af <br />Outflow =4.59 cfs 0.352 af <br />Pond 4P: MH 404 Peak Elev= 869.73' Inflow =2.84 cfs 0.189 af <br />12.0" Round Culvert n =0.013 L =37.0' S= 0.0081 '/' Outflow =2.84 cfs 0.189 af <br />Pond 5P: MH 405 Peak EIev= 870.08' Inflow =2.76 cfs 0.144 af <br />12.0" Round Culvert n =0.013 L =75.0' S= 0.0049 '/' Outflow =2.76 cfs 0.144 af <br />Pond 6P: MH 406 Peak EIev= 870.25' Inflow =1.34 cfs 0.066 af <br />12.0" Round Culvert n =0.013 L =96.0' S= 0.0050 7' Outflow =1.34 cfs 0.066 af <br />