Southtowns Record

PB Agenda Packet 8.13.2026

Government
Town of West Seneca
Board
Planning Board
Meeting
Aug 13, 2026, 6:00 p.m.
Posted by publisher
Jul 28, 2026
Kind
Agenda packet
Topics
Water, sewer and drainage, Roads and traffic, Housing, Zoning and land use, Parks and recreation, Budget and taxes, Public safety

Original document

Same meeting

Text · page 731 of 1174

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24-4113 WEST SENECA EXCHANGE EXISTING  Type II 24-hr 100-Year Rainfall=5.23"
Prepared by Carmina Wood Design  Printed 7/13/2026
HydroCAD® 10.20-7a s/n 05019 © 2025 HydroCAD Software Solutions LLC  Page 34

  Summary for Link 4L: TOTAL EXISTING

Inflow Area =  55.600 ac, 85.88% Impervious, Inflow Depth = 4.74" for 100-Year event
Inflow  =  317.14 cfs @ 12.04 hrs, Volume=  21.975 af
Primary  =  317.14 cfs @ 12.04 hrs, Volume=  21.975 af, Atten= 0%, Lag= 0.0 min

Primary outflow = Inflow, Time Span= 0.00-60.00 hrs, dt= 0.01 hrs

  Link 4L: TOTAL EXISTING
  Hydrograph

  Inflow
  317.14 cfs  Primary
  340  317.14 cfs
  320  Inflow Area=55.600 ac
  300
  280
  260
  240
  220
  Flow (cfs)

  200
  180
  160
  140
  120
  100
  80
  60
  40
  20
  0
  0  2  4  6  8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60
  Time (hours)

  Page 731 of 1174