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

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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 12

  Subcatchment 3S: Existing - East
  Hydrograph

  Runoff
  60  56.79 cfs
  55  Type II 24-hr
  50  1-Year Rainfall=1.87"
  45  Runoff Area=27.100 ac
  40  Runoff Volume=3.716 af
  Flow (cfs)

  35
  Runoff Depth=1.65"
  30
  Flow Length=2,297'
  25
  Tc=12.7 min
  20
  CN=98
  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 709 of 1174