Drainage Report

Basin 3 Proposed basin 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 34S: Basin 3 Runoff Area=95,425 sf Runoff Depth=1.88" Flow Length=670' Tc=10.0 min CN=74/98 Runoff=3.73 cfs 0.343 af Pond 35P: Basin 3 Peak Elev=530.15' Storage=11,078 cf Inflow=3.73 cfs 0.343 af Discarded=0.07 cfs 0.301 af Primary=0.00 cfs 0.000 af Outflow=0.07 cfs 0.301 af Total Runoff Area = 2.191 ac Runoff Volume = 0.343 af Average Runoff Depth = 1.88"