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 87HydroCAD® 10.20-2g s/n 04431 © 2022 HydroCAD Software Solutions LLC Summary for Subcatchment PR 1B-P: Runoff = 0.65 cfs @ 12.13 hrs, Volume= 0.050 af, Depth= 3.98" Routed to Pond 2P : Pervious Pavers Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs NOAA 24-hr D 10-Year Rainfall=5.22" Area (sf) CN Description 6,622 89 Gravel roads, HSG C 6,622 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 Direct Entry, tc Subcatchment PR 1B-P: Runoff 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 NOAA 24-hr D 10-Year Rainfall=5.22" Runoff Area=6,622 sf Runoff Volume=0.050 af Runoff Depth=3.98" Tc=6.0 min CN=89 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.