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ZZZ15326 Existing Proposed Drainage - Wetland Type II24-hr 100-yrRainfall=7.06" <br />Prepared by Microsoft Printed 6/8/2017 <br />HydroCAD® 10.00-14 s/n 01542 ©2015 HydroCAD Software Solutions LLC Pape 31 <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=3.21" <br />Tc=10.0 min CN=65/98 Runoff=24.63 cfs 1.339 af <br />Subcatchment 2S: TO WETLAND Runoff Area=124,016 sf 0.78% Impervious Runoff Depth=3.59" <br />Tc=10.0 min CN=69/98 Runoff=15.71 cfs 0.851 af <br />Subcatchment 3S: TO INFILTRATION A Runoff Area=16,415 sf 22.84% Impervious Runoff Depth=3.01" <br />Flow Length=120' Slope=0.0230 '/' Tc=11.4 min CN=52/98 Runoff=1.48 cfs 0.095 af <br />Subcatchment 4S: TO INFILTRATION B Runoff Area=32,101 sf 19.05% Impervious Runoff Depth=2.75" <br />Flow Length=100' Slope=0.0400'/' Tc=7.9 min CN=51/98 Runoff=3.01 cfs 0.169 af <br />Pond 1P: WETLAND Peak Elev=883.73' Storage=29,634 cf Inflow=24.63 cfs 1.339 af <br />Discarded=0.67 cfs 1.055 af Primary=1.35 cfs 0.281 af Outflow=2.01 cfs 1.336 af <br />Pond 2P: WETLAND Peak Elev=883.68' Storage=23,947 cf Inflow=17.16 cfs 1.023 af <br />Discarded=0.46 cfs 0.842 af Primary=0.78 cfs 0.178 af Outflow=1.23 cfs 1.020 af <br />Pond 3P: INFILTRATION BASIN A Peak Elev=884.37' Storage=707 cf Inflow=1.48 cfs 0.095 af <br />Discarded=0.00 cfs 0.017 af Primary=1.45 cfs 0.076 af Outflow=1.45 cfs 0.092 af <br />Pond 4P: INFILTRATION BASIN B Peak Elev=885.69' Storage=3,197 cf Inflow=3.01 cfs 0.169 af <br />Discarded=0.01 cfs 0.046 af Primary=0.97 cfs 0.096 af Outflow=0.98 cfs 0.142 af <br />Total Runoff Area = 8.970 ac Runoff Volume = 2.453 af Average Runoff Depth = 3.28" <br />96.34% Pervious = 8.642 ac 3.66% Impervious = 0.328 ac <br />