complete drainage report rev 9

POA-1 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 1B-1 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Printed 10/25/2024 Page 148 Summary for Subcatchment 26S: DA 1 Und - Perv Runoff = 0.41 cfs @ Routed to Link 25L : POA 1 1.17 hrs, Volume= 631 cf, Depth= 0.12" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-72.00 hrs, dt= 0.01 hrs NJ DEP 2-hr WQ Rainfall=1.25" Area (sf) 31,523 33,164 64,687 64,687 CN 80 74 77 Description >75% Grass cover, Good, HSG D >75% Grass cover, Good, HSG C Weighted Average 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 6.9 100 0.1100 0.24 Sheet Flow, Sheet Flow (A-B) Grass: Dense n= 0.240 P2= 3.47" 0.2 50 0.1100 5.34 Shallow Concentrated Flow, SCF (B-C) Unpaved Kv= 16.1 fps 7.1 150 Total Sheet Flow (A-B) Subcatchment 26S: DA(B-C) 1 Und - Perv SCF

POA-1 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 1B-1 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Printed 10/25/2024 Page 149 Subcatchment 26S: DA 1 Und - Perv Flow (cfs) Hydrograph 0.44 0.42 0.41 cfs 0.4 0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 0 2 4 6 Runoff NJ DEP 2-hr WQ Rainfall=1.25" Runoff Area=64,687 sf Runoff Volume=631 cf Runoff Depth=0.12" Flow Length=150' Slope=0.1100 '/' Tc=7.1 min CN=77 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)

POA-1 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 1B-1 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 26S: DA 1 Und - Perv Time Precip. Excess (hours) (inches) (inches) 0.00 0.00 0.00 1.00 0.63 0.00 2.00 1.25 0.12 3.00 1.25 0.12 4.00 1.25 0.12 5.00 1.25 0.12 6.00 1.25 0.12 7.00 1.25 0.12 8.00 1.25 0.12 9.00 1.25 0.12 10.00 1.25 0.12 11.00 1.25 0.12 12.00 1.25 0.12 13.00 1.25 0.12 14.00 1.25 0.12 15.00 1.25 0.12 16.00 1.25 0.12 17.00 1.25 0.12 18.00 1.25 0.12 19.00 1.25 0.12 20.00 1.25 0.12 21.00 1.25 0.12 22.00 1.25 0.12 23.00 1.25 0.12 24.00 1.25 0.12 25.00 1.25 0.12 26.00 1.25 0.12 27.00 1.25 0.12 28.00 1.25 0.12 29.00 1.25 0.12 30.00 1.25 0.12 31.00 1.25 0.12 32.00 1.25 0.12 33.00 1.25 0.12 34.00 1.25 0.12 35.00 1.25 0.12 36.00 1.25 0.12 37.00 1.25 0.12 38.00 1.25 0.12 39.00 1.25 0.12 40.00 1.25 0.12 41.00 1.25 0.12 42.00 1.25 0.12 43.00 1.25 0.12 44.00 1.25 0.12 45.00 1.25 0.12 46.00 1.25 0.12 47.00 1.25 0.12 48.00 1.25 0.12 49.00 1.25 0.12 50.00 1.25 0.12 Runoff (cfs) 0.00 0.00 0.05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Time Precip. Excess (hours) (inches) (inches) 51.00 1.25 0.12 52.00 1.25 0.12 53.00 1.25 0.12 54.00 1.25 0.12 55.00 1.25 0.12 56.00 1.25 0.12 57.00 1.25 0.12 58.00 1.25 0.12 59.00 1.25 0.12 60.00 1.25 0.12 61.00 1.25 0.12 62.00 1.25 0.12 63.00 1.25 0.12 64.00 1.25 0.12 65.00 1.25 0.12 66.00 1.25 0.12 67.00 1.25 0.12 68.00 1.25 0.12 69.00 1.25 0.12 70.00 1.25 0.12 71.00 1.25 0.12 72.00 1.25 0.12 Runoff (cfs) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Printed 10/25/2024 Page 150

POA-1 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 1B-1 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Printed 10/25/2024 Page 151 Summary for Subcatchment 27S: Basin 5 - Perv Runoff = 0.02 cfs @ 1.10 hrs, Volume= Routed to Pond 18P : Basin 5 21 cf, Depth= 0.07" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-72.00 hrs, dt= 0.01 hrs NJ DEP 2-hr WQ Rainfall=1.25" Area (sf) 3,440 3,440 CN 74 Description >75% Grass cover, Good, HSG C 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.6 40 0.0200 1.19 Sheet Flow, Sheet Flow (A-B) Smooth surfaces n= 0.011 P2= 3.47" 1.2 182 2.50 Direct Entry, Pipe Flow (B-C) 1.8 222 Total Sheet Flow (A-B) Subcatchment 27S: Basin 5 - Perv Pipe Flow (B-C) Subcatchment 27S: Basin 5 - Perv Hydrograph Runoff 0.019 0.018 0.02 cfs 0.017 0.016 0.015 0.014 0.013 Flow (cfs) 0.012 0.011 0.01 0.009 0.008 0.007 0.006 0.005 0.004 0.003 NJ DEP 2-hr WQ Rainfall=1.25" Runoff Area=3,440 sf Runoff Volume=21 cf Runoff Depth=0.07" Flow Length=222' Slope=0.0200 '/' Tc=1.8 min CN=74 0.002 0.001 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)

POA-1 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 1B-1 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 27S: Basin 5 - Perv Time Precip. Excess (hours) (inches) (inches) 0.00 0.00 0.00 1.00 0.63 0.00 2.00 1.25 0.07 3.00 1.25 0.07 4.00 1.25 0.07 5.00 1.25 0.07 6.00 1.25 0.07 7.00 1.25 0.07 8.00 1.25 0.07 9.00 1.25 0.07 10.00 1.25 0.07 11.00 1.25 0.07 12.00 1.25 0.07 13.00 1.25 0.07 14.00 1.25 0.07 15.00 1.25 0.07 16.00 1.25 0.07 17.00 1.25 0.07 18.00 1.25 0.07 19.00 1.25 0.07 20.00 1.25 0.07 21.00 1.25 0.07 22.00 1.25 0.07 23.00 1.25 0.07 24.00 1.25 0.07 25.00 1.25 0.07 26.00 1.25 0.07 27.00 1.25 0.07 28.00 1.25 0.07 29.00 1.25 0.07 30.00 1.25 0.07 31.00 1.25 0.07 32.00 1.25 0.07 33.00 1.25 0.07 34.00 1.25 0.07 35.00 1.25 0.07 36.00 1.25 0.07 37.00 1.25 0.07 38.00 1.25 0.07 39.00 1.25 0.07 40.00 1.25 0.07 41.00 1.25 0.07 42.00 1.25 0.07 43.00 1.25 0.07 44.00 1.25 0.07 45.00 1.25 0.07 46.00 1.25 0.07 47.00 1.25 0.07 48.00 1.25 0.07 49.00 1.25 0.07 50.00 1.25 0.07 Runoff (cfs) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Time Precip. Excess (hours) (inches) (inches) 51.00 1.25 0.07 52.00 1.25 0.07 53.00 1.25 0.07 54.00 1.25 0.07 55.00 1.25 0.07 56.00 1.25 0.07 57.00 1.25 0.07 58.00 1.25 0.07 59.00 1.25 0.07 60.00 1.25 0.07 61.00 1.25 0.07 62.00 1.25 0.07 63.00 1.25 0.07 64.00 1.25 0.07 65.00 1.25 0.07 66.00 1.25 0.07 67.00 1.25 0.07 68.00 1.25 0.07 69.00 1.25 0.07 70.00 1.25 0.07 71.00 1.25 0.07 72.00 1.25 0.07 Runoff (cfs) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Printed 10/25/2024 Page 152

POA-1 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 1B-1 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Printed 10/25/2024 Page 153 Summary for Subcatchment 28S: undetained impervious Runoff = 0.02 cfs @ Routed to Link 25L : POA 1 1.07 hrs, Volume= 26 cf, Depth= 1.03" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-72.00 hrs, dt= 0.01 hrs NJ DEP 2-hr WQ Rainfall=1.25" Area (sf) 300 300 * CN 98 Description non pavement impervious 100.00% Impervious Area Subcatchment 28S: undetained impervious Flow (cfs) Hydrograph 0.023 0.022 0.02 cfs 0.021 0.02 0.019 0.018 0.017 0.016 0.015 0.014 0.013 0.012 0.011 0.01 0.009 0.008 0.007 0.006 0.005 0.004 0.003 0.002 0.001 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) NJ DEP 2-hr WQ Rainfall=1.25" Runoff Area=300 sf Runoff Volume=26 cf Runoff Depth=1.03" Tc=0.0 min CN=98 Runoff

POA-1 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 1B-1 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 28S: undetained impervious Time Precip. Excess (hours) (inches) (inches) 0.00 0.00 0.00 1.00 0.63 0.43 2.00 1.25 1.03 3.00 1.25 1.03 4.00 1.25 1.03 5.00 1.25 1.03 6.00 1.25 1.03 7.00 1.25 1.03 8.00 1.25 1.03 9.00 1.25 1.03 10.00 1.25 1.03 11.00 1.25 1.03 12.00 1.25 1.03 13.00 1.25 1.03 14.00 1.25 1.03 15.00 1.25 1.03 16.00 1.25 1.03 17.00 1.25 1.03 18.00 1.25 1.03 19.00 1.25 1.03 20.00 1.25 1.03 21.00 1.25 1.03 22.00 1.25 1.03 23.00 1.25 1.03 24.00 1.25 1.03 25.00 1.25 1.03 26.00 1.25 1.03 27.00 1.25 1.03 28.00 1.25 1.03 29.00 1.25 1.03 30.00 1.25 1.03 31.00 1.25 1.03 32.00 1.25 1.03 33.00 1.25 1.03 34.00 1.25 1.03 35.00 1.25 1.03 36.00 1.25 1.03 37.00 1.25 1.03 38.00 1.25 1.03 39.00 1.25 1.03 40.00 1.25 1.03 41.00 1.25 1.03 42.00 1.25 1.03 43.00 1.25 1.03 44.00 1.25 1.03 45.00 1.25 1.03 46.00 1.25 1.03 47.00 1.25 1.03 48.00 1.25 1.03 49.00 1.25 1.03 50.00 1.25 1.03 Runoff (cfs) 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Time Precip. Excess (hours) (inches) (inches) 51.00 1.25 1.03 52.00 1.25 1.03 53.00 1.25 1.03 54.00 1.25 1.03 55.00 1.25 1.03 56.00 1.25 1.03 57.00 1.25 1.03 58.00 1.25 1.03 59.00 1.25 1.03 60.00 1.25 1.03 61.00 1.25 1.03 62.00 1.25 1.03 63.00 1.25 1.03 64.00 1.25 1.03 65.00 1.25 1.03 66.00 1.25 1.03 67.00 1.25 1.03 68.00 1.25 1.03 69.00 1.25 1.03 70.00 1.25 1.03 71.00 1.25 1.03 72.00 1.25 1.03 Runoff (cfs) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Printed 10/25/2024 Page 154

POA-1 2024-05-12 HydroCad - Proposed POA 1B-1 NJ DEP 2-hr WQ Rainfall=1.25" Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Printed 10/25/2024 Page 155 Summary for Pond 16P: Basin 1 Inflow Area = 416,846 sf, 59.40% Impervious, Inflow Depth = 0.40" for WQ event Inflow = 8.10 cfs @ 1.20 hrs, Volume= 13,840 cf Outflow = 0.00 cfs @ 0.00 hrs, Volume= 0 cf, Atten= 100%, Lag= 0.0 min Primary = 0.00 cfs @ 0.00 hrs, Volume= 0 cf Routed to Link 25L : POA 1 Routing by Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.01 hrs Peak Elev= 543.82' @ 2.80 hrs Surf.Area= 44,530 sf Storage= 13,840 cf Plug-Flow detention time= (not calculated: initial storage exceeds outflow) Center-of-Mass det. time= (not calculated: no outflow) Volume #1 Invert 543.50' Elevation (feet) 543.50 544.00 545.00 546.00 547.00 Avail.Storage 170,585 cf Surf.Area (sq-ft) 42,000 45,955 47,156 51,115 54,695 Device #1 Routing Primary Invert 546.00' #2 #3 Primary Primary 543.82' 544.40' Storage Description Custom Stage Data (Prismatic) Listed below (Recalc) Inc.Store (cubic-feet) 0 21,989 46,556 49,136 52,905 Cum.Store (cubic-feet) 0 21,989 68,544 117,680 170,585 Outlet Devices 42.0" x 48.0" Horiz. Grate C= 0.600 Limited to weir flow at low heads 10.0" Vert. Orifice C= 0.600 Limited to weir flow at low heads 48.0" W x 8.0" H Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads Primary OutFlow Max=0.00 cfs @ 0.00 hrs HW=543.50' (Free Discharge) 1=Grate ( Controls 0.00 cfs) 2=Orifice ( Controls 0.00 cfs) 3=Orifice/Grate ( Controls 0.00 cfs) Pond 16P: Basin 1 Grate Orifice/Grate Orifice

POA-1 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 1B-1 Printed 10/25/2024 Page 156 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Pond 16P: Basin 1 Hydrograph 9 Inflow Primary 8.10 cfs Inflow Area=416,846 sf Peak Elev=543.82' Storage=13,840 cf 8 7 Flow (cfs) 6 5 4 3 2 1 0.00 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) Pond 16P: Basin 1 Stage-Discharge 547 Primary Grate Elevation (feet) 546 545 Orifice/Grate 544 Orifice 0 5 10 15 20 25 30 35 40 Discharge (cfs) 45 50 55 60 65 70

POA-1 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 1B-1 Printed 10/25/2024 Page 157 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Pond 16P: Basin 1 Stage-Area-Storage 0 5,000 10,000 15,000 Surface/Horizontal/Wetted Area (sq-ft) 20,000 25,000 30,000 35,000 40,000 45,000 50,000 547 Elevation (feet) 546 545 544 Custom Stage Data 0 20,000 40,000 60,000 80,000 100,000 Storage (cubic-feet) 120,000 140,000 160,000 Surface Storage