Southtowns Record

PBA06.11.2026packet

Government
Town of West Seneca
Board
Planning Board
Meeting
Jun 11, 2026, 6:00 p.m.
Posted by publisher
Jun 3, 2026
Kind
Agenda packet
Topics
Water, sewer and drainage, Housing, Zoning and land use, Roads and traffic, Parks and recreation, Budget and taxes, Public safety

Original document

Same meeting

Text · page 429 of 849

Read the whole document on one page (all 849 pages, each with its own heading)

26-04-06-15052A-HydroCAD-DLS  NY-BLD ADD 15052A 24-hr S1 10-yr Rainfall=3.42"
Prepared by Wm Schutt & Associates, P C  Printed 4/16/2026
HydroCAD® 10.20-8a s/n 03344 © 2025 HydroCAD Software Solutions LLC  Page 7

  Subcatchment 12S: POST CONDITIONS
  Hydrograph

  5 29 cfs  s. 11 Runoff 111
  !
  --NY-131.-D ADD-I 5052A-24-hr-S4-40-yr
  5
  Rainfall=3.42"
  Runoff Area=50,083 s
  Runoff Volume=0164-af
  4
  Runoff Depth>2.78"
  Flow Length=290'
  Tc=4.2 min
  3
  CN=94

  2

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  Page 429 of 849