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 263 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 100-yr Rainfall=5.25"
Prepared by Greenman-Pedersen, Inc  Printed 12/18/2025
HydroCAD® 10.20-7a s/n 04560 © 2025 HydroCAD Software Solutions LLC  Page 188

Pond RCVR 4: RCVR 4  Peak Elev=901.97' Inflow=0.53 cfs 0.032 af
  8.0" Round Culvert n=0.013 L=22.0' S=0.0041 '/' Outflow=0.53 cfs 0.032 af

Pond RCVR 5: RCVR 5  Peak Elev=901.96' Inflow=0.84 cfs 0.053 af
  8.0" Round Culvert n=0.013 L=89.0' S=0.0040 '/' Outflow=0.84 cfs 0.053 af

Pond SWALE: SWALE  Peak Elev=901.93' Storage=1,986 cf Inflow=1.15 cfs 0.100 af
  8.0" Round Culvert n=0.013 L=32.0' S=0.0041 '/' Outflow=1.27 cfs 0.089 af

Link POST: Post Development  Inflow=2.11 cfs 0.228 af
  Primary=2.11 cfs 0.228 af

  Total Runoff Area = 0.690 ac Runoff Volume = 0.240 af Average Runoff Depth = 4.17"
  43.48% Pervious = 0.300 ac 56.52% Impervious = 0.390 ac