240916_40 ERW Stormwater Report FULL

NOAA 24-hr D 10-Year Rainfall=5.22"240913_40 ERW Waymaker Proposed Printed 9/16/2024Prepared by Colliers Engineering & Design Page 72HydroCAD® 10.20-2g s/n 04431 © 2022 HydroCAD Software Solutions LLC Inflow=2.64 cfs 0.263 afReach 4R: Outflow=2.64 cfs 0.263 af Inflow=1.60 cfs 0.158 afReach 8R: (new Reach) Outflow=1.60 cfs 0.158 af Avg. Flow Depth=0.15' Max Vel=8.96 fps Inflow=1.37 cfs 0.133 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=1.36 cfs 0.133 af Inflow=1.97 cfs 0.250 afReach DP2: CHANNEL Outflow=1.97 cfs 0.250 af Inflow=2.53 cfs 0.300 afReach DP3: TOTAL Outflow=2.53 cfs 0.300 af Inflow=1.37 cfs 0.133 afReach EX 1: Outflow=1.37 cfs 0.133 af Peak Elev=624.68' Storage=0.016 af Inflow=0.65 cfs 0.050 afPond 2P: Pervious Pavers Outflow=0.08 cfs 0.050 af Peak Elev=0.43' Inflow=1.37 cfs 0.133 afPond 10P: (new Pond) Outflow=1.37 cfs 0.133 af Peak Elev=609.66' Storage=0.031 af Inflow=1.15 cfs 0.138 afPond 11P: Existing Drywell System Discarded=0.04 cfs 0.051 af Primary=0.29 cfs 0.087 af Outflow=0.33 cfs 0.138 af Peak Elev=623.31' Storage=0.076 af Inflow=1.93 cfs 0.185 afPond 12P: Subsurface Infiltration Basin Discarded=0.11 cfs 0.137 af Primary=0.18 cfs 0.048 af Outflow=0.28 cfs 0.185 af Total Runoff Area = 4.082 ac Runoff Volume = 1.031 af Average Runoff Depth = 3.03" 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.