5.2.-5.4. PCSR 09-13-2011 - Laserfiche WebLink

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T:10742\1406Wune11 CityApp\Surface Water\ ER Landfill 06_2011-dead storage affect Type Il 24-hr 100 yr Rainfall=5.90" Prepared by Wenck Associates, Inc. Printed 8/15/2011 HydroCAD® 9.10 s/n 02201 ©2010 HydroCAD Software Solutions LLC Page 45 SubcatchmentEX-26S: Existing wetland Runoff Area=9.930 ac 0.00% Impervious Runoff Depth=1.62" Tc=30.0 min CN=57 Runoff=12.44 cfs 1.343 of Reach DS1-L: DS-1-Lower Avg. Flow Depth=0.65' Max Vet=12.43 fps Inflow=79.87 cfs 4.598 of n=0.035 L=150.0' S=0.2000 '/' Capacity=175.15 cfs Outflow=79.84 cfs 4.598 of Reach DS1-U: DS-1-Upper Avg. Flow Depth=0.65' Max Vet=10.45 fps Inflow=67.85 cfs 3.962 of n=0.035 L=215.0' S=0.1395'/' Capacity=146.29 cfs Outflow=67.80 cfs 3.962 of Reach DS2-L: DS-2-Lower Avg. Flow Depth=0.49' Max Vet=13.03 fps Inflow=60.69 cfs 3.659 of n=0.035 L=120.0' S=0.3000'/' Capacity=214.51 cfs Outflow=60.69 cfs 3.659 of Reach DS2-U: DS-2-Upper Avg. Flow Depth=0.45' Max Vet=11.72 fps Inflow=48.81 cfs 2.985 of n=0.035 L=110.0' S=0.2727'/' Capacity=204.53 cfs Outflow=48.80 cfs 2.985 of Pond 25P: Basin east of RR, NW of S Peak EIev=962.01' Storage=1.495 of Inflow=15.73 cfs 11.411 of Outflow=10.49 cfs 11.383 of Pond 26P: Wetland west of RR trail, NW of Peak Elev=956.41' Storage=1.551 of Inflow=18.38 cfs 12.726 of Primary=5.59 cfs 6.359 of Secondary=5.59 cfs 6.359 of Outflow=11.18 cfs 12.718 of Pond EX-25P: Existing Basin east of RR, NW Peak Elev=958.76' Storage=0.097 of Inflow=4.19 cfs 0.397 of Outflow=0.96 cfs 0.374 of Pond EX-26P: Existing Wetland west of RR Peak EIev=956.17' Storage=1.133 of Inflow=13.08 cfs 1.718 of Primary=2.88 cfs 1.718 of Secondary=0.00 cfs 0.000 of Outflow=2.88 cfs 1.718 of Pond P-1: P-1 Peak Elev=996.65' Storage=271,494 cf Inflow=115.66 cfs 11.026 of 18.0" Round Culvert n=0.013 L=1,550.0' S=0.0232 '/' Outflow=12.78 cfs 11.014 of Pond P-2: SE pond Peak EIev=1,023.64' Storage=236,421 cf Inflow=82.08 cfs 4.791 of 12.0" Round Culvert n=0.012 L=575.0' S=0.0400 '/' Outflow=4.89 cfs 4.764 of Pond SE-pipe: SE culvert Peak EIev=1,064.44' Inflow=82.08 cfs 4.791 of 24.0" Round Culvert n=0.011 L=100.0' S=0.1000'/' Outflow=82.08 cfs 4.791 of Pond SW-pipe: SW culvert Peak EIev=1,067.78' Inflow=112.29 cfs 6.262 of 24.0" Round Culvert n=0.011 L=90.0' S=0.0222 '/' Outflow=112.29 cfs 6.262 of Total Runoff Area = 69.189 ac Runoff Volume = 14.533 of Average Runoff Depth = 2.52" 99.65% Pervious = 68.949 ac 0.35% Impervious = 0.240 ac