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 724 of 1174

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24-4113 WEST SENECA EXCHANGE EXISTING  Type II 24-hr 25-Year Rainfall=3.84"
Prepared by Carmina Wood Design  Printed 7/13/2026
HydroCAD® 10.20-7a s/n 05019 © 2025 HydroCAD Software Solutions LLC  Page 27

  Summary for Link 4L: TOTAL EXISTING

Inflow Area =  55.600 ac, 85.88% Impervious, Inflow Depth = 3.37" for 25-Year event
Inflow  =  229.09 cfs @ 12.04 hrs, Volume=  15.627 af
Primary  =  229.09 cfs @ 12.04 hrs, Volume=  15.627 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
  229.09 cfs  Primary
  229.09 cfs
  240
  Inflow Area=55.600 ac
  220

  200

  180

  160
  Flow (cfs)

  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 724 of 1174