complete drainage report rev 9

POA-2 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 2B-1 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Printed 10/25/2024 Page 413 Summary for Pond 49P: Basin 7 Inflow Area = 165,500 sf, 50.78% Impervious, Inflow Depth = 0.33" for WQ event Inflow = 2.72 cfs @ 1.19 hrs, Volume= 4,519 cf Outflow = 0.00 cfs @ 0.00 hrs, Volume= 0 cf, Atten= 100%, Lag= 0.0 min Primary = 0.00 cfs @ 0.00 hrs, Volume= 0 cf Routed to Link 28L : POA 2 Routing by Stor-Ind method, Time Span= 0.00-80.00 hrs, dt= 0.04 hrs Peak Elev= 531.31' @ 2.72 hrs Surf.Area= 14,913 sf Storage= 4,519 cf Plug-Flow detention time= (not calculated: initial storage exceeds outflow) Center-of-Mass det. time= (not calculated: no outflow) Volume #1 Invert 531.00' Elevation (feet) 531.00 532.00 533.00 534.00 Device #1 Avail.Storage 50,966 cf Surf.Area (sq-ft) 14,375 16,117 17,860 19,602 Routing Primary Invert 531.38' Storage Description Custom Stage Data (Prismatic) Listed below (Recalc) Inc.Store (cubic-feet) 0 15,246 16,989 18,731 Cum.Store (cubic-feet) 0 15,246 32,235 50,966 Outlet Devices 12.0" Vert. Orifice C= 0.600 Limited to weir flow at low heads Primary OutFlow Max=0.00 cfs @ 0.00 hrs HW=531.00' (Free Discharge) 1=Orifice ( Controls 0.00 cfs) Pond 49P: Basin 7 Orifice