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 44HydroCAD® 10.20-2g s/n 04431 © 2022 HydroCAD Software Solutions LLC Summary for Reach DP1: TOP Inflow Area = 0.718 ac, 9.34% Impervious, Inflow Depth = 1.13" for 2-Year event Inflow = 0.65 cfs @ 12.18 hrs, Volume= 0.068 af Outflow = 0.65 cfs @ 12.18 hrs, Volume= 0.068 af, Atten= 1%, Lag= 0.1 min Routed to Reach DP2 : CHANNEL Routing by Stor-Ind+Trans method, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs Max. Velocity= 7.18 fps, Min. Travel Time= 0.2 min Avg. Velocity = 2.78 fps, Avg. Travel Time= 0.6 min Peak Storage= 9 cf @ 12.18 hrs Average Depth at Peak Storage= 0.10' , Surface Width= 1.30' Bank-Full Depth= 1.83' Flow Area= 4.1 sf, Capacity= 118.41 cfs 34.0" W x 22.0" H, R=24.9" Elliptical Pipe n= 0.011 Concrete pipe, straight & clean Length= 100.0' Slope= 0.1000 '/' Inlet Invert= 0.00', Outlet Invert= -10.00' Reach DP1: TOP Inflow Outflow Hydrograph Time (hours) 727068666462605856545250484644424038363432302826242220181614121086420 Flow (cfs) 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Inflow Area=0.718 ac Avg. Flow Depth=0.10' Max Vel=7.18 fps 34.0" x 22.0" R=24.9" Elliptical Pipe n=0.011 L=100.0' S=0.1000 '/' Capacity=118.41 cfs 0.65 cfs 0.65 cfs This document was created by an application that isn’t licensed to use novaPDF. Purchase a license to generate PDF files without this notice.