Southtowns Record

PBA09.10.2026packet

Government
Town of West Seneca
Board
Planning Board
Meeting
Sep 10, 2026, 6:00 p.m.
Posted by publisher
Sep 4, 2026
Kind
Agenda packet
Topics
Water, sewer and drainage, Zoning and land use, Roads and traffic, Budget and taxes, Public safety, Parks and recreation

Original document

Same meeting

Text · page 60 of 84

Read the whole document on one page (all 84 pages, each with its own heading)

Rustys_Pre-Construction - Copy  Type II 24-hr 10-yr Rainfall=3.14"
Prepared by Waves AE  Printed 7/29/2026
HydroCAD® 10.20-7a s/n 13900 © 2025 HydroCAD Software Solutions LLC  Page 10

  Summary for Link AP1: SENECA ST

Inflow Area =  24,656 sf, 79.93% Impervious, Inflow Depth > 2.24" for 10-yr event
Inflow  =  2.20 cfs @ 11.96 hrs, Volume=  4,600 cf
Primary  =  2.20 cfs @ 11.96 hrs, Volume=  4,600 cf, Atten= 0%, Lag= 0.0 min

Primary outflow = Inflow, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs

  Link AP1: SENECA ST
  Hydrograph

  Inflow
  2.20 cfs  Primary
  2.20 cfs
  Inflow Area=24,656 sf
  2
  Flow (cfs)

  1

  0
  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20
  Time (hours)

  Page 60 of 84