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 710 of 1174

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24-4113 WEST SENECA EXCHANGE EXISTING  Type II 24-hr 1-Year Rainfall=1.87"
Prepared by Carmina Wood Design  Printed 7/13/2026
HydroCAD® 10.20-7a s/n 05019 © 2025 HydroCAD Software Solutions LLC  Page 13

  Summary for Link 4L: TOTAL EXISTING

Inflow Area =  55.600 ac, 85.88% Impervious, Inflow Depth = 1.46" for 1-Year event
Inflow  =  103.89 cfs @ 12.04 hrs, Volume=  6.779 af
Primary  =  103.89 cfs @ 12.04 hrs, Volume=  6.779 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
  115  103.89 cfs  Primary
  110  103.89 cfs
  105  Inflow Area=55.600 ac
  100
  95
  90
  85
  80
  75
  70
  Flow (cfs)

  65
  60
  55
  50
  45
  40
  35
  30
  25
  20
  15
  10
  5
  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 710 of 1174