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

Home Browse Search

T:\0742\1406\June11 CityApp\Surface Water\ ER Landfill 06_2011-dead storage affect Type ll 24-hr 25 yr Rainfall=4.70" Prepared by Wenck Associates, Inc. Printed 8/15/2011 HydroCAD® 9.10 s/n 02201 ©2010 HydroCAD Software Solutions LLC Page 6 SubcatchmentEX-26S: Existing wetland Runoff Area=9.930 ac 0.00% Impervious Runoff Depth=0.95" Tc=30.0 min CN=57 Runoff=6.51 cfs 0.790 of Reach DS1-L: DS-1-Lower Avg. Flow Depth=0.53' Max Vet=11.11 fps Inflow=56.61 cfs 3.242 of n=0.035 L=150.0' S=0.2000'/' Capacity=175.15 cfs Outflow=56.59 cfs 3.242 of Reach DS1-U: DS-1-Upper Avg. Flow Depth=0.53' Max Vet=9.33 fps Inflow=47.97 cfs 2.788 of n=0.035 L=215.0' S=0.1395 '/' Capacity=146.29 cfs Outflow=47.93 cfs 2.788 of Reach DS2-L: DS-2-Lower Avg. Flow Depth=0.40' Max Vet=11.58 fps Inflow=42.91 cfs 2.577 of n=0.035 L=120.0' S=0.3000 '/' Capacity=214.51 cfs Outflow=42.91 cfs 2.577 of Reach DS2-U: DS-2-Upper Avg. Flow Depth=0.36' Max Vet=10.39 fps Inflow=34.37 cfs 2.096 of n=0.035 L=110.0' S=0.2727'/' Capacity=204.53 cfs Outflow=34.36 cfs 2.096 of Pond 25P: Basin east of RR, NW of S Peak EIev=961.02' Storage=0.855 of Inflow=10.72 cfs 7.962 of Outflow=8.69 cfs 7.935 of Pond 26P: Wetland west of RR trail, NW of Peak EIev=956.32' Storage=1.392 of Inflow=10.91 cfs 8.724 of Primary=4.56 cfs 4.358 of Secondary=4.56 cfs 4.358 of Outflow=9.13 cfs 8.717 of Pond EX-25P: Existing Basin east of RR, NW Peak Elev=958.48' Storage=0.053 of Inflow=1.17 cfs 0.187 of Outflow=0.24 cfs 0.165 of Pond EX-26P: Existing Wetland west of RR Peak EIev=956.00' Storage=0.864 of Inflow=6.52 cfs 0.954 of Primary=1.25 cfs 0.954 of Secondary=0.00 cfs 0.000 of Outflow=1.25 cfs 0.954 of Pond P-1: P-1 Peak EIev=995.60' Storage=224,323 cf Inflow=82.40 cfs 7.786 of 18.0" Round Culvert n=0.013 L=1,550.0' S=0.0232'/' Outflow=10.22 cfs 7.775 of Pond P-2: SE pond Peak EIev=1,022.86' Storage=198,481 cf Inflow=58`31 cfs .3.384 of 12.0" Round Culvert n=0.012 L=575.0' S=0.0400 '/' Outflow=3.89 cfs 3.358 of Pond SE-pipe: SE culvert Peak EIev=1,049.86' Inflow=58.31 cfs 3.384 of 24.0" Round Culvert n=0.011 L=100.0' S=0.1000 '/' Outflow=58.31 cfs 3.384 of Pond SW-pipe: SW Culvert Peak EIev=1,032.90' Inflow=79.97 cfs 4.428 of 24.0" Round Culvert n=0.011 L=90.0' S=0.0222 '/' Outflow=79.97 cfs 4.428 of Total Runoff Area = 69.189 ac Runoff Volume = 9.766 of Average Runoff Depth = 1.69" 99.65% Pervious = 68.949 ac 0.35% Impervious = 0.240 ac