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ZZZ15326 Existing Proposed Drainage - Wetland Type II24-hr 10-yrRainfall=4.26" <br />Prepared by Microsoft Printed 6/8/2017 <br />HydroCAD® 10.00-14 s/n 01542 ©2015 HydroCAD Software Solutions LLC Pape 18 <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=1.23" <br />Tc=10.0 min CN=65/98 Runoff=9.01 cfs 0.512 af <br />Subcatchment 2S: TO WETLAND Runoff Area=124,016 sf 0.78% Impervious Runoff Depth=1.46" <br />Tc=10.0 min CN=69/98 Runoff=6.27 cfs 0.346 af <br />Subcatchment 3S: TO INFILTRATION A Runoff Area=16,415 sf 22.84% Impervious Runoff Depth=1.31" <br />Flow Length=120' Slope=0.0230 '/' Tc=11.4 min CN=52/98 Runoff=0.56 cfs 0.041 af <br />Subcatchment 4S: TO INFILTRATION B Runoff Area=32,101 sf 19.05% Impervious Runoff Depth=1.14" <br />Flow Length=100' Slope=0.0400'/' Tc=7.9 min CN=51/98 Runoff=1.06 cfs 0.070 af <br />Pond 1P: WETLAND Peak EIev=883.08' Storage=12,429 cf Inflow=9.01 cfs 0.512 af <br />Discarded=0.31 cfs 0.512 af Primary=0.00 cfs 0.000 af Outflow=0.31 cfs 0.512 af <br />Pond 2P: WETLAND Peak EIev=882.87' Storage=9,124 cf Inflow=6.41 cfs 0.369 af <br />Discarded=0.23 cfs 0.369 af Primary=0.00 cfs 0.000 af Outflow=0.23 cfs 0.369 af <br />Pond 3P: INFILTRATION BASIN A Peak EIev=884.28' Storage=629 cf Inflow=0.56 cfs 0.041 af <br />Discarded=0.00 cfs 0.016 af Primary=0.47 cfs 0.023 af Outflow=0.48 cfs 0.039 af <br />Pond 4P: INFILTRATION BASIN B Peak EIev=885.49' Storage=2,554 cf Inflow=1.06 cfs 0.070 af <br />Discarded=0.01 cfs 0.044 af Primary=0.00 cfs 0.000 af Outflow=0.01 cfs 0.044 af <br />Total Runoff Area = 8.970 ac Runoff Volume = 0.969 af Average Runoff Depth = 1.30" <br />96.34% Pervious = 8.642 ac 3.66% Impervious = 0.328 ac <br />