240916_40 ERW Stormwater Report FULL

NOAA 24-hr D 100-Year Rainfall=8.66"240913_40 ERW Waymaker Proposed Printed 9/16/2024Prepared by Colliers Engineering & Design Page 139HydroCAD® 10.20-2g s/n 04431 © 2022 HydroCAD Software Solutions LLC Inflow=5.22 cfs 0.523 afReach 4R: Outflow=5.22 cfs 0.523 af Inflow=3.23 cfs 0.317 afReach 8R: (new Reach) Outflow=3.23 cfs 0.317 af Avg. Flow Depth=0.21' Max Vel=11.24 fps Inflow=2.88 cfs 0.276 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=2.87 cfs 0.276 af Inflow=4.04 cfs 0.620 afReach DP2: CHANNEL Outflow=4.04 cfs 0.620 af Inflow=5.44 cfs 0.729 afReach DP3: TOTAL Outflow=5.44 cfs 0.729 af Inflow=2.88 cfs 0.276 afReach EX 1: Outflow=2.88 cfs 0.276 af Peak Elev=625.03' Storage=0.037 af Inflow=1.16 cfs 0.093 afPond 2P: Pervious Pavers Outflow=0.08 cfs 0.093 af Peak Elev=0.67' Inflow=2.88 cfs 0.276 afPond 10P: (new Pond) Outflow=2.88 cfs 0.276 af Peak Elev=613.41' Storage=0.076 af Inflow=2.70 cfs 0.344 afPond 11P: Existing Drywell System Discarded=0.06 cfs 0.064 af Primary=1.86 cfs 0.279 af Outflow=1.92 cfs 0.344 af Peak Elev=624.47' Storage=0.119 af Inflow=3.73 cfs 0.364 afPond 12P: Subsurface Infiltration Basin Discarded=0.14 cfs 0.174 af Primary=1.60 cfs 0.189 af Outflow=1.73 cfs 0.364 af Total Runoff Area = 4.082 ac Runoff Volume = 2.079 af Average Runoff Depth = 6.11" 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.