2026 05 Storm Water Management Report rcd 5 6 2026

2026-04 Proposed & Existing CondiNOAA 24-hr D 2-Year-Projected Rainfall=4.09", P2=4.09" 2026-04 Proposed & Existing CondiNOAA 24-hr D 2-Year-Projected Rainfall=4.09", 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 29 HydroCAD® 10.20-7a s/n 08640 © 2025 HydroCAD Software Solutions LLC Page 30 Pond 2P: BIO BASIN Summary for Link 4L: POI #1 Hydrograph Inflow Area = 0.563 ac, 75.31% Impervious, Inflow Depth = 3.24" for 2-Year-Projected event 0.50 cfs Inflow Inflow = 1.64 cfs @ 12.11 hrs, Volume= 0.152 af 0.55 Primary Primary = 1.64 cfs @ 12.11 hrs, Volume= 0.152 af, Atten= 0%, Lag= 0.0 min 0.5 Inflow Area=0.146 ac Routed to nonexistent node 18L 0.45 Peak Elev=623.19' Primary outflow = Inflow, Time Span= 0.00-72.00 hrs, dt= 0.001 hrs 0.4

Peak Elev=623.19' Primary outflow = Inflow, Time Span= 0.00-72.00 hrs, dt= 0.001 hrs 0.4 Storage=567 cf Link 4L: POI #1 0.33 cfs 0.35 Hydrograph Flow (cfs) 0.3 Inflow 1.64 cfs Primary 0.25 1.64 cfs 0.2 Inflow Area=0.563 ac 0.15 0.1 0.05 Flow (cfs) 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

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) 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)