240916_40 ERW Stormwater Report FULL

NJ DEP 2-hr WQ Rainfall=1.25"240913_40 ERW Waymaker Proposed Printed 9/16/2024Prepared by Colliers Engineering & Design Page 255HydroCAD® 10.20-2g s/n 04431 © 2022 HydroCAD Software Solutions LLC Summary for Pond 2P: Pervious Pavers Inflow Area = 0.152 ac, 0.00% Impervious, Inflow Depth = 0.45" for WQ event Inflow = 0.21 cfs @ 1.12 hrs, Volume= 0.006 af Outflow = 0.08 cfs @ 1.29 hrs, Volume= 0.006 af, Atten= 63%, Lag= 10.4 min Discarded = 0.08 cfs @ 1.29 hrs, Volume= 0.006 af Routing by Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs Peak Elev= 624.45' @ 1.29 hrs Surf.Area= 0.151 ac Storage= 0.002 af Plug-Flow detention time= 11.6 min calculated for 0.006 af (100% of inflow) Center-of-Mass det. time= 11.6 min ( 89.0 - 77.3 ) Volume Invert Avail.Storage Storage Description #1 624.42' 0.061 af 65.91'W x 100.00'L x 1.00'H Prismatoid 0.151 af Overall x 40.0% Voids Device Routing Invert Outlet Devices #1 Discarded 624.42' 0.500 in/hr Exfiltration over Surface area Conductivity to Groundwater Elevation = 619.00' Discarded OutFlow Max=0.08 cfs @ 1.29 hrs HW=624.45' (Free Discharge) 1=Exfiltration ( Controls 0.08 cfs) Pond 2P: Pervious Pavers Inflow Discarded Hydrograph Time (hours) 727068666462605856545250484644424038363432302826242220181614121086420 Flow (cfs) 0.23 0.22 0.21 0.2 0.19 0.18 0.17 0.16 0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 Inflow Area=0.152 ac Peak Elev=624.45' Storage=0.002 af 0.21 cfs 0.08 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.