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ZZZ15326 Existing Proposed Drainage - Wetland <br />Prepared by Microsoft <br />HydroCAD® 10.00-14 s/n 01542 ©2015 HydroCAD Software Solutions LLC <br />Type 11 24-hr 2-yr Rainfall=2.86" <br />Printed 6/8/2017 <br />Paae 5 <br />Time span=0.00-72.00 hrs, dt=0.01 hrs, 7201 points <br />Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv. <br />Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method <br />Subcatchment 1S: TO WETLAND Runoff Area=218,186 sf 1.58% Impervious Runoff Depth=0.48" <br />Tc=10.0 min CN=65/98 Runoff=2.92 cfs 0.200 af <br />Subcatchment 2S: TO WETLAND Runoff Area=124,016 sf 0.78% Impervious Runoff Depth=0.61" <br />Tc=10.0 min CN=69/98 Runoff=2.39 cfs 0.145 af <br />Subcatchment 3S: TO INFILTRATION A Runoff Area=16,415 sf 22.84% Impervious Runoff Depth=0.68" <br />Flow Length=120' Slope=0.0230 '/' Tc=11.4 min CN=52/98 Runoff=0.29 cfs 0.021 af <br />Subcatchment 4S: TO INFILTRATION B Runoff Area=32,101 sf 19.05% Impervious Runoff Depth=0.57" <br />Flow Length=100' Slope=0.0400'/' Tc=7.9 min CN=51/98 Runoff=0.53 cfs 0.035 af <br />Pond 1P: WETLAND Peak Elev=882.36' Storage=4,412 cf Inflow=2.92 cfs 0.200 af <br />Discarded=0.13 cfs 0.200 af Primary=0.00 cfs 0.000 af Outflow=0.13 cfs 0.200 af <br />Pond 2P: WETLAND Peak Elev=882.22' Storage=3,557 cf Inflow=2.39 cfs 0.148 af <br />Discarded=0.09 cfs 0.148 af Primary=0.00 cfs 0.000 af Outflow=0.09 cfs 0.148 af <br />Pond 3P: INFILTRATION BASIN A Peak Elev=884.21' Storage=567 cf Inflow=0.29 cfs 0.021 af <br />Discarded=0.00 cfs 0.016 af Primary=0.02 cfs 0.003 af Outflow=0.02 cfs 0.019 af <br />Pond 4P: INFILTRATION BASIN B Peak Elev=884.99' Storage=1,255 cf Inflow=0.53 cfs 0.035 af <br />Discarded=0.01 cfs 0.023 af Primary=0.00 cfs 0.000 af Outflow=0.01 cfs 0.023 af <br />Total Runoff Area = 8.970 ac Runoff Volume = 0.401 af Average Runoff Depth = 0.54" <br />96.34% Pervious = 8.642 ac 3.66% Impervious = 0.328 ac <br />