2026 05 Storm Water Management Report rcd 5 6 2026

2026-04 Proposed & Existing CondNOAA 24-hr D 10-Year-Projected Rainfall=6.37", P2=4.09" 2026-04 Proposed & Existing CondNOAA 24-hr D 10-Year-Projected Rainfall=6.37", P2=4.09" Prepared by Dynamic Engineering Printed 5/5/2026 Prepared by Dynamic Engineering Printed 5/5/2026 HydroCAD® 10.20-7a s/n 08640 © 2025 HydroCAD Software Solutions LLC Page 59 HydroCAD® 10.20-7a s/n 08640 © 2025 HydroCAD Software Solutions LLC Page 60 Pond 2P: BIO BASIN Summary for Link 4L: POI #1 Hydrograph Inflow Area = 0.563 ac, 75.31% Impervious, Inflow Depth = 5.45" for 10-Year-Projected event 0.84 cfs Inflow Inflow = 2.61 cfs @ 12.11 hrs, Volume= 0.256 af Primary 0.9 Primary = 2.61 cfs @ 12.11 hrs, Volume= 0.256 af, Atten= 0%, Lag= 0.0 min 0.85 Inflow Area=0.146 ac Routed to nonexistent node 18L 0.8 0.75 Peak Elev=623.36' Primary outflow = Inflow, Time Span= 0.00-72.00 hrs, dt= 0.001

0.75 Peak Elev=623.36' Primary outflow = Inflow, Time Span= 0.00-72.00 hrs, dt= 0.001 hrs 0.7 0.65 0.57 cfs Storage=681 cf Link 4L: POI #1 0.6 0.55 Hydrograph Flow (cfs) 0.5 Inflow 0.45 2.61 cfs Primary 0.4 2.61 cfs 0.35 Inflow Area=0.563 ac 0.3 0.25 0.2 0.15 2 0.1 0.05 Flow (cfs) 0 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72

Flow (cfs) 0 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 Time (hours) 1 0 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 Time (hours)