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 203 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 25-yr Rainfall=3.85"
Prepared by Greenman-Pedersen, Inc  Printed 12/18/2025
HydroCAD® 10.20-7a s/n 04560 © 2025 HydroCAD Software Solutions LLC  Page 128

Pond RCVR 4: RCVR 4  Peak Elev=901.72' Inflow=0.38 cfs 0.023 af
  8.0" Round Culvert n=0.013 L=22.0' S=0.0041 '/' Outflow=0.38 cfs 0.023 af

Pond RCVR 5: RCVR 5  Peak Elev=901.63' Inflow=0.60 cfs 0.038 af
  8.0" Round Culvert n=0.013 L=89.0' S=0.0040 '/' Outflow=0.60 cfs 0.038 af

Pond SWALE: SWALE  Peak Elev=901.39' Storage=1,170 cf Inflow=0.79 cfs 0.069 af
  8.0" Round Culvert n=0.013 L=32.0' S=0.0041 '/' Outflow=0.51 cfs 0.058 af

Link POST: Post Development  Inflow=1.24 cfs 0.153 af
  Primary=1.24 cfs 0.153 af

  Total Runoff Area = 0.690 ac Runoff Volume = 0.164 af Average Runoff Depth = 2.85"
  43.48% Pervious = 0.300 ac 56.52% Impervious = 0.390 ac