V4 11 Stormwater Report Rev 3 1 26 2023

18 21 24 27 Time (hrs) Hyd No. 12 Hyd No. 9 Total storage used = 9,392 cuft

58 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Friday, 01 / 27 / 2023 Hyd. No. 13 DA-1B (Roof) Hydrograph type = SCS Runoff Peak discharge = 7.253 cfs Storm frequency = 10 yrs Time to peak = 12.05 hrs Time interval = 3 min Hyd. volume = 26,949 cuft Drainage area = 1.750 ac Curve number = 94 Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = User Time of conc. (Tc) = 6.00 min Total precip. = 5.22 in Distribution = Custom Storm duration = S:\Petry Engineering Cad Projects\2019\19 Shape factor 0265 Daughters = 484 of Israel - West Oran DA-1B (Roof) Q (cfs) Q (cfs) Hyd. No. 13 -- 10 Year 8.00 8.00 6.00 6.00 4.00 4.00 2.00 2.00 0.00 0.00 0 3 6 9 12 15 18 21 24 27 Time (hrs) Hyd No. 13

59 Precipitation Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Friday, 01 / 27 / 2023 Hyd. No. 13 DA-1B (Roof) Storm Frequency = 10 yrs Time interval = 3 min Total precip. = 5.2200 in Distribution = Custom Storm duration = S:\Petry Engineering Cad Projects\2019\19 0265 Daughters of Israel - West Ora Incremental Rainfall Precipitation Precip (in) Precip (in) Hyd. No. 13 : DA-1B (Roof) - 10 Year 0.50 0.50 0.45 0.45 0.40 0.40 0.35 0.35 0.30 0.30 0.25 0.25 0.20 0.20 0.15 0.15 0.10 0.10 0.05 0.05 0.00 0.00 0.0 2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0

0.00 0.0 2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0 Time (hrs) Custom Design Storm -- S:\Petry Engineering Cad Projects\2019\19 0265 Daughters of Israel - West Orange\Civil\Cur

60 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Friday, 01 / 27 / 2023 Hyd. No. 14 Basin #1B Hydrograph type = Reservoir Peak discharge = 8.143 cfs Storm frequency = 10 yrs Time to peak = 12.10 hrs Time interval = 3 min Hyd. volume = 26,949 cuft Inflow hyd. No. = 13 - DA-1B (Roof) Max. Elevation = 407.73 ft Reservoir name = Basin #1B Max. Storage = 2,934 cuft Storage Indication method used. Basin #1B Q (cfs) Q (cfs) Hyd. No. 14 -- 10 Year 8.00 8.00 6.00 6.00 4.00 4.00 2.00 2.00 0.00 0.00 0 3 6 9 12 15 18 21 24 27 Time (hrs) Hyd No. 14 Hyd No. 13 Total storage used = 2,934 cuft

61 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Friday, 01 / 27 / 2023 Hyd. No. 15 DA-1A (Courtyard Pervious) Hydrograph type = SCS Runoff Peak discharge = 0.092 cfs Storm frequency = 10 yrs Time to peak = 12.05 hrs Time interval = 3 min Hyd. volume = 315 cuft Drainage area = 0.030 ac Curve number = 80 Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = User Time of conc. (Tc) = 7.50 min Total precip. = 5.22 in Distribution = Custom Storm duration = S:\Petry Engineering Cad Projects\2019\19 Shape factor 0265 Daughters = 484 of Israel - West Oran DA-1A (Courtyard Pervious) Q (cfs) Q (cfs) Hyd. No. 15 -- 10 Year 0.10 0.10 0.09 0.09 0.08 0.08 0.07 0.07 0.06 0.06 0.05 0.05 0.04 0.04 0.03

0.04 0.03 0.03 0.02 0.02 0.01 0.01 0.00 0.00 0 3 6 9 12 15 18 21 24 27 Time (hrs) Hyd No. 15

62 Precipitation Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Friday, 01 / 27 / 2023 Hyd. No. 15 DA-1A (Courtyard Pervious) Storm Frequency = 10 yrs Time interval = 3 min Total precip. = 5.2200 in Distribution = Custom Storm duration = S:\Petry Engineering Cad Projects\2019\19 0265 Daughters of Israel - West Ora Incremental Rainfall Precipitation Precip (in) Precip (in) Hyd. No. 15 : DA-1A (Courtyard Pervious) - 10 Year 0.50 0.50 0.45 0.45 0.40 0.40 0.35 0.35 0.30 0.30 0.25 0.25 0.20 0.20 0.15 0.15 0.10 0.10 0.05 0.05 0.00 0.00 0.0 2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0

0.00 0.0 2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0 Time (hrs) Custom Design Storm -- S:\Petry Engineering Cad Projects\2019\19 0265 Daughters of Israel - West Orange\Civil\Cur

63 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Friday, 01 / 27 / 2023 Hyd. No. 16 DA-1A (Courtyard Impervious) Hydrograph type = SCS Runoff Peak discharge = 0.129 cfs Storm frequency = 10 yrs Time to peak = 12.05 hrs Time interval = 3 min Hyd. volume = 509 cuft Drainage area = 0.030 ac Curve number = 98 Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = User Time of conc. (Tc) = 7.50 min Total precip. = 5.22 in Distribution = Custom Storm duration = S:\Petry Engineering Cad Projects\2019\19 Shape factor 0265 Daughters = 484 of Israel - West Oran DA-1A (Courtyard Impervious) Q (cfs) Q (cfs) Hyd. No. 16 -- 10 Year 0.50 0.50 0.45 0.45 0.40 0.40 0.35 0.35 0.30 0.30 0.25 0.25 0.20 0.20 0.15