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S:\plowe\cad\23proj\2129 Jerry Carlson Little Canada\2129 MISC\Round 1 - 12.28.23\ <br />MSE 24-hr 3 2-Year Rainfall=2.81"2129 Sunrise Over Gervais - Proposed (12-28-2023) <br /> Printed 12/28/2023Prepared by Plowe Engineering, Inc. <br />Page 4HydroCAD® 10.00-26 s/n 01574 © 2020 HydroCAD Software Solutions LLC <br />Summary for Subcatchment A1: WESTERN AREA PROPOSED <br />Runoff = 0.27 cfs @ 12.17 hrs, Volume= 0.020 af, Depth= 0.34" <br />Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-100.00 hrs, dt= 0.01 hrs <br />MSE 24-hr 3 2-Year Rainfall=2.81" <br />Area (sf) CN Description <br />* 30,447 61 PERVIOUS <br />* 625 98 IMPERVIOUS <br />31,072 Weighted Average <br />30,447 97.99% Pervious Area <br />625 2.01% Impervious Area <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft/ft) (ft/sec) (cfs) <br />7.0 Direct Entry, DIRECT <br />Summary for Subcatchment A2: WEST AREA <br />Runoff = 1.64 cfs @ 12.13 hrs, Volume= 0.089 af, Depth= 0.88" <br />Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-100.00 hrs, dt= 0.01 hrs <br />MSE 24-hr 3 2-Year Rainfall=2.81" <br />Area (sf) CN Description <br />* 39,232 61 PERVIOUS <br />* 13,473 98 IMPERVIOUS <br />52,705 Weighted Average <br />39,232 74.44% Pervious Area <br />13,473 25.56% Impervious Area <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft/ft) (ft/sec) (cfs) <br />5.0 Direct Entry, <br />Summary for Subcatchment A3: EAST AREA <br />Runoff = 1.43 cfs @ 12.13 hrs, Volume= 0.075 af, Depth= 1.14" <br />Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-100.00 hrs, dt= 0.01 hrs <br />MSE 24-hr 3 2-Year Rainfall=2.81" <br />Area (sf) CN Description <br />* 21,880 61 PERVIOUS <br />* 12,730 98 IMPERVIOUS <br />34,610 Weighted Average <br />21,880 63.22% Pervious Area <br />12,730 36.78% Impervious Area