V3 RESUBMISSION Stormwater Management Report Rev 2 Dated November 3 2022

30 Pond Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Wednesday, 11 / 2 / 2022 Pond No. 3 - Basin #1B Pond Data UG Chambers -Invert elev. = 404.00 ft, Rise x Span = 4.00 x 4.00 ft, Barrel Len = 60.00 ft, No. Barrels = 5, Slope = 0.00%, Headers = Yes Stage / Storage Table Stage (ft) Elevation (ft) Contour area (sqft) Incr. Storage (cuft) Total storage (cuft) 0.00 404.00 n/a 0 0 0.40 404.40 n/a 233 233 0.80 404.80 n/a 405 637 1.20 405.20 n/a 492 1,130 1.60 405.60 n/a 542 1,671 2.00 406.00 n/a 566 2,238 2.40 406.40 n/a 566 2,804 2.80 406.80 n/a 542 3,346 3.20 407.20 n/a 492 3,838 3.60 407.60 n/a 404 4,242 4.00 408.00 n/a 233 4,474 Culvert / Orifice Structures Weir Structures [A] [B] [C] [PrfRsr] [A] [B] [C] [D] Rise (in) = 4.00 6.00 0.00 0.00 Crest Len

fRsr] [A] [B] [C] [D] Rise (in) = 4.00 6.00 0.00 0.00 Crest Len (ft) = 4.00 0.00 0.00 0.00 Span (in) = 5.00 18.00 0.00 0.00 Crest El. (ft) = 407.25 0.00 0.00 0.00 No. Barrels = 2 1 0 0 Weir Coeff. = 3.33 3.33 3.33 3.33 Invert El. (ft) = 404.00 406.35 0.00 0.00 Weir Type = Rect --- --- --- Length (ft) = 0.00 0.00 0.00 0.00 Multi-Stage = No No No No Slope (%) = 0.00 0.00 0.00 n/a N-Value = .013 .013 .013 n/a Orifice Coeff. = 0.60 0.60 0.60 0.60 Exfil.(in/hr) = 0.000 (by Wet area) Multi-Stage = n/a No No No TW Elev. (ft) = 0.00 Note: Culvert/Orifice outflows are analyzed under inlet (ic) and outlet (oc) control. Weir risers checked for orifice conditions (ic) and submergence (s). Stage / Storage / Discharge Table Stage Storage Elevation Clv A Clv B Clv C PrfRsr Wr A Wr B Wr C Wr D Exfil User Total ft cuft ft cfs cfs cfs cfs cfs cfs cfs cfs cfs cfs cfs 0.00 0 404.00 0.00 0.00 --- --- 0.00 --- --- --- --- --- 0.000 0.40 233 404.40 0.65 ic 0.00 --- --- 0.00 --- --- --- --- --- 0.646 0.80

233 404.40 0.65 ic 0.00 --- --- 0.00 --- --- --- --- --- 0.646 0.80 637 404.80 1.06 ic 0.00 --- --- 0.00 --- --- --- --- --- 1.064 1.20 1,130 405.20 1.36 ic 0.00 --- --- 0.00 --- --- --- --- --- 1.360 1.60 1,671 405.60 1.60 ic 0.00 --- --- 0.00 --- --- --- --- --- 1.601 2.00 2,238 406.00 1.81 ic 0.00 --- --- 0.00 --- --- --- --- --- 1.811 2.40 2,804 406.40 2.00 ic 0.06 ic --- --- 0.00 --- --- --- --- --- 2.056 2.80 3,346 406.80 2.17 ic 1.54 ic --- --- 0.00 --- --- --- --- --- 3.712 3.20 3,838 407.20 2.33 ic 2.80 ic --- --- 0.00 --- --- --- --- --- 5.127 3.60 4,242 407.60 2.48 ic 3.61 ic --- --- 2.76 --- --- --- --- --- 8.848 4.00 4,474 408.00 2.62 ic 4.27 ic --- --- 8.65 --- --- --- --- --- 15.54