Analysis - Failure NOAA 24-hr D 10 YR-C Rainfall=5.38" Prepared by Civil Core Consulting Printed 12/19/2025 HydroCAD® 10.20-8a s/n 13637 © 2025 HydroCAD Software Solutions LLC Page 98

Pond 2P: Subsurface Infiltration Basin 1Peak Elev=91.60' Storage=0.141 cf Inflow=0.62 cfs 13,179 cf Outflow=0.62 cfs 13,179 cf
Pond 3P: PERVOUS PAVEMENT 2BPeak Elev=94.84' Storage=975 cf Inflow=0.89 cfs 3,547 cf Outflow=0.58 cfs 3,543 cf
Pond 4P: PERVOUS PAVEMENT 3BPeak Elev=94.85' Storage=951 cf Inflow=0.93 cfs 3,734 cf Outflow=0.67 cfs 3,730 cf
Pond 5P: BIORETENTION BASIN 1APeak Elev=94.67' Storage=7,004 cf Inflow=3.06 cfs 11,893 cf Outflow=0.29 cfs 11,894 cf
Pond 7P: BIORENTION BASIN 2APeak Elev=95.54' Storage=178 cf Inflow=0.48 cfs 2,028 cf Outflow=0.48 cfs 1,981 cf
Pond 8P: INFILTRATION BASIN 3Peak Elev=94.21' Storage=3,979 cf Inflow=0.93 cfs 6,708 cf Outflow=0.19 cfs 6,702 cf
Pond 33P: INFILTRATION BASIN 2Peak Elev=94.58' Storage=3,488 cf Inflow=0.74 cfs 5,524 cf Outflow=0.15 cfs 5,515 cf
Pond 42P: BIORENTION BASIN 3APeak Elev=94.55' Storage=538 cf Inflow=0.72 cfs 3,078 cf Outflow=0.71 cfs 2,978 cf
Link 32L: POA1Inflow=0.62 cfs 13,179 cf Primary=0.62 cfs 13,179 cf
Link 33L: POA 2Inflow=0.15 cfs 5,515 cf Primary=0.15 cfs 5,515 cf
Link 34L: POA 3Inflow=0.19 cfs 6,702 cf Primary=0.19 cfs 6,702 cf

Total Runoff Area = 155,557 sf Runoff Volume = 25,565 cf Average Runoff Depth = 1.97" 65.25% Pervious = 101,495 sf 34.75% Impervious = 54,062 sf