240916_40 ERW Stormwater Report FULL

NOAA 24-hr D 2-Year Rainfall=3.44"240913_40 ERW Waymaker Proposed Printed 9/16/2024Prepared by Colliers Engineering & Design Page 5HydroCAD® 10.20-2g s/n 04431 © 2022 HydroCAD Software Solutions LLC Inflow=1.41 cfs 0.141 afReach 4R: Outflow=1.41 cfs 0.141 af Inflow=0.84 cfs 0.084 afReach 8R: (new Reach) Outflow=0.84 cfs 0.084 af Avg. Flow Depth=0.10' Max Vel=7.18 fps Inflow=0.65 cfs 0.068 afReach DP1: TOP 34.0" x 22.0", R=24.9" Elliptical Pipe n=0.011 L=100.0' S=0.1000 '/' Capacity=118.41 cfs Outflow=0.65 cfs 0.068 af Inflow=0.99 cfs 0.100 afReach DP2: CHANNEL Outflow=0.99 cfs 0.100 af Inflow=1.23 cfs 0.124 afReach DP3: TOTAL Outflow=1.23 cfs 0.124 af Inflow=0.65 cfs 0.068 afReach EX 1: Outflow=0.65 cfs 0.068 af Peak Elev=624.53' Storage=0.007 af Inflow=0.39 cfs 0.029 afPond 2P: Pervious Pavers Outflow=0.08 cfs 0.029 af Peak Elev=0.29' Inflow=0.65 cfs 0.068 afPond 10P: (new Pond) Outflow=0.65 cfs 0.068 af Peak Elev=608.65' Storage=0.019 af Inflow=0.74 cfs 0.058 afPond 11P: Existing Drywell System Discarded=0.03 cfs 0.039 af Primary=0.17 cfs 0.018 af Outflow=0.20 cfs 0.058 af Peak Elev=622.57' Storage=0.041 af Inflow=1.06 cfs 0.101 afPond 12P: Subsurface Infiltration Basin Discarded=0.09 cfs 0.100 af Primary=0.01 cfs 0.001 af Outflow=0.10 cfs 0.101 af Total Runoff Area = 4.082 ac Runoff Volume = 0.542 af Average Runoff Depth = 1.59" 83.35% Pervious = 3.402 ac 16.65% Impervious = 0.680 ac This document was created by an application that isn’t licensed to use novaPDF. Purchase a license to generate PDF files without this notice.