Southtowns Record

5A.-ENGINEER'S REPORT

Government
Town of Aurora
Board
Town Board
Meeting
Feb 4, 2026
Kind
Other
Topics
Water, sewer and drainage, Zoning and land use, Public safety

Original document

Same meeting

Text · page 196 of 351

Read the whole document on one page (all 351 pages, each with its own heading)

WNY-2500056.00_HydroCAD  extreme_precip_tables_output (29) 24-hr S1 10-yr Rainfall=3.14"
Prepared by Greenman-Pedersen, Inc  Printed 12/18/2025
HydroCAD® 10.20-7a s/n 04560 © 2025 HydroCAD Software Solutions LLC  Page 121

  Pond SWALE: SWALE

  8" HDPE

  Pond SWALE: SWALE
  Hydrograph

  Inflow
  0.64 cfs  Primary
  0.7

  0.65  Inflow Area=0.280 ac
  0.6
  Peak Elev=901.23'
  0.55

  0.5
  Storage=972 cf
  0.45  8.0"
  0.37 cfs
  Flow (cfs)

  0.4
  Round Culvert
  0.35

  0.3  n=0.013
  0.25  L=32.0'
  0.2

  0.15
  S=0.0041 '/'
  0.1

  0.05

  0
  0  1  2  3  4  5  6  7  8  9  10  11 12 13 14  15  16  17  18  19  20 21  22  23  24
  Time (hours)