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 717 of 1174

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24-4113 WEST SENECA EXCHANGE EXISTING  Type II 24-hr 10-Year Rainfall=3.14"
Prepared by Carmina Wood Design  Printed 7/13/2026
HydroCAD® 10.20-7a s/n 05019 © 2025 HydroCAD Software Solutions LLC  Page 20

  Summary for Link 4L: TOTAL EXISTING

Inflow Area =  55.600 ac, 85.88% Impervious, Inflow Depth = 2.69" for 10-Year event
Inflow  =  184.66 cfs @ 12.04 hrs, Volume=  12.453 af
Primary  =  184.66 cfs @ 12.04 hrs, Volume=  12.453 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
  184.66 cfs  Primary
  200  184.66 cfs
  190
  180
  Inflow Area=55.600 ac
  170
  160
  150
  140
  130
  120
  Flow (cfs)

  110
  100
  90
  80
  70
  60
  50
  40
  30
  20
  10
  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 717 of 1174