V4 11 Stormwater Report Rev 3 1 26 2023

87 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Friday, 01 / 27 / 2023 Hyd. No. 11 Basin #3 Hydrograph type = Reservoir Peak discharge = 15.74 cfs Storm frequency = 100 yrs Time to peak = 12.20 hrs Time interval = 3 min Hyd. volume = 87,208 cuft Inflow hyd. No. = 10 - DA-4 Max. Elevation = 419.95 ft Reservoir name = Basin #3 Max. Storage = 10,462 cuft Storage Indication method used. Basin #3 Q (cfs) Q (cfs) Hyd. No. 11 -- 100 Year 21.00 21.00 18.00 18.00 15.00 15.00 12.00 12.00 9.00 9.00 6.00 6.00 3.00 3.00 0.00 0.00 0 3 6 9 12 15 18 21 24 27

0.00 0 3 6 9 12 15 18 21 24 27 Time (hrs) Hyd No. 11 Hyd No. 10 Total storage used = 10,462 cuft

88 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Friday, 01 / 27 / 2023 Hyd. No. 12 Basin #2 Hydrograph type = Reservoir Peak discharge = 31.90 cfs Storm frequency = 100 yrs Time to peak = 12.15 hrs Time interval = 3 min Hyd. volume = 147,308 cuft Inflow hyd. No. = 9 - DA-3 Max. Elevation = 417.96 ft Reservoir name = Basin #2 Max. Storage = 13,372 cuft Storage Indication method used. Basin #2 Q (cfs) Q (cfs) Hyd. No. 12 -- 100 Year 40.00 40.00 30.00 30.00 20.00 20.00 10.00 10.00 0.00 0.00 0 3 6 9 12 15 18 21 24 27 Time (hrs) Hyd No. 12 Hyd No. 9 Total storage used = 13,372 cuft

89 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 = 12.34 cfs Storm frequency = 100 yrs Time to peak = 12.05 hrs Time interval = 3 min Hyd. volume = 47,277 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. = 8.66 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 -- 100 Year 14.00 14.00 12.00 12.00 10.00 10.00 8.00 8.00 6.00 6.00 4.00 4.00 2.00 2.00 0.00

2.00 0.00 0.00 0 3 6 9 12 15 18 21 24 27 Time (hrs) Hyd No. 13

90 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 = 100 yrs Time interval = 3 min Total precip. = 8.6600 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) - 100 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

91 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 = 12.33 cfs Storm frequency = 100 yrs Time to peak = 12.10 hrs Time interval = 3 min Hyd. volume = 47,277 cuft Inflow hyd. No. = 13 - DA-1B (Roof) Max. Elevation = 407.97 ft Reservoir name = Basin #1B Max. Storage = 3,031 cuft Storage Indication method used. Basin #1B Q (cfs) Q (cfs) Hyd. No. 14 -- 100 Year 14.00 14.00 12.00 12.00 10.00 10.00 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

0.00 0 3 6 9 12 15 18 21 24 27 Time (hrs) Hyd No. 14 Hyd No. 13 Total storage used = 3,031 cuft

92 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 = 0.182 cfs Storm frequency = 100 yrs Time to peak = 12.05 hrs Time interval = 3 min Hyd. volume = 638 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. = 8.66 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 -- 100 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