Drainage Report

Basin 2-3 with exfiltration Proposed Basin 2-3 R3 NOAA 24-hr D 2-Year Rainfall=3.44" Prepared by Anderson Consulting Services Printed 10/23/2023 HydroCAD® 10.20-3f s/n 06666 © 2023 HydroCAD Software Solutions LLC Page 7 Time span=0.00-72.00 hrs, dt=0.05 hrs, 1441 points Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv. Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment 40S: Basin 2-3 Runoff Area=98,395 sf Runoff Depth=2.30" Flow Length=1,558' Tc=10.5 min CN=79/98 Runoff=4.65 cfs 0.434 af Pond 44P: pond 2-3 Peak Elev=543.12' Storage=11,645 cf Inflow=4.65 cfs 0.434 af Discarded=0.14 cfs 0.434 af Primary=0.00 cfs 0.000 af Outflow=0.14 cfs 0.434 af Total Runoff Area = 2.259 ac Runoff Volume = 0.434 af Average Runoff Depth = 2.30"