complete drainage report rev 9

FF:564.0 564 578 564 566 564 552 564 566 C 572 562 DA #1 590 C 600 DA #5 A DA #6 612 588 574 D 560 570 582 FF:564.0 566 8 580 566 554 560 564 56 SCF (UNPAVED) 425 LF @ 6.5% 582 568 556 558 562 578 PIPE FLOW 182 LF @ 2.5 FT/SEC 584 PIPE FLOW 516 LF @ 2.5 FT/SEC UNDETAINED 576 SHEET FLOW (PAVED) 40 LF @ 2.0% 580 596 SHEET FLOW (GRASS, DENSE) 100 LF @ 11.0% 600 B 598 610 598 594 60 8 596 606 600 576 604 592 592 552 596 588 C 584 UNDETAINED 552 596 594 614 586 620 582 618 574 ROAD 'D' 600 592 60 4 594 'D ' 602 BAKELY TERRAC E POA #3 64,987.0 SF 300.0 SF 64,687.0 SF 0.0 SF 0.0 SF 0.0 SF 7,751.3 SF 2,500.0 SF 5,251.3 SF TOTAL: IMPERVIOUS: PERVIOUS: 722,185.6 SF 345,543.9 SF 376,641.7 SF TOTAL AREA TO POA-3 TOTAL: IMPERVIOUS: PERVIOUS: TOTAL AREA TO POA-2 481,832.8 SF 247,896.8 SF 233,936.0 SF TOTAL: IMPERVIOUS: PERVIOUS: 172,465.1 SF 52,513.0 SF 119,952.1 SF TOTAL: IMPERVIOUS: PERVIOUS: TOTAL AREA TO POA-1 TOTAL UNDETAINED TO POA-3 TOTAL: IMPERVIOUS: PERVIOUS: TOTAL UNDETAINED TO POA-2 TOTAL: IMPERVIOUS: PERVIOUS: TOTAL UNDETAINED TO POA-1 HOWELL DRIVE Proj. No. DA #12 PAUL W. ANDERSON SIGNATURE INVALID WITHOUT RAISED SEAL OF P.E. Anderson Consulting Services LLC N.J. PROFESSIONAL ENGINEER LIC. NO. 33410 SHEET 2 OF 2 DA-2 Date SCF (UNPAVED) 50 LF @ 11.0% 586 566 540 586 570 KUZIK DRIVE 588 564 578 598 574 588 588 568 536 590 HOWELL DRIVE 580 LU F 592 584 590 576 TL AN E 590 566 550 594 568 546 548 570 D 592 574 590 576 592 562 594 574 596 570 WARNER ROA 572 BAYOW SKI ROAD 598 576 600 578 596 RO AD 598 572 574 58 0 578 58 2 588 594 D.2 BUILDING B 592 BUILD ING 598 568 PRELIMINARY AND FINAL SITE PLAN 602 578 BCA 586 602 A D 574 PWA B D.1 Drawn by IL BU G DIN ING ILD Designed by BU PWA SS Checked by 610 40 Miller Drive Boonton, NJ 07005 CERTIFICATE OF AUTHORIZATION TEl: 973.975.0703 Fax: 973.975.0703 24GA28182400 www.pwanderson-cs.com 608 592 AS SHOWN CY ACCE EM ERGEN 594 Scale 606 596 578

10S 4S 14S DA 1 - Perv DA 2 - Perv DA 3 - Perv 2L DA 2 11L DA 1 13L DA 3 12L Total Subcat Reach Pond Link Routing Diagram for 2024-04-20 HydroCAD - Existing Prepared by Anderson Consulting Services, Printed 10/25/2024 HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC

Existing Conditions 2024-04-20 HydroCAD - Existing Printed 10/25/2024 Page 2 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Rainfall Events Listing Event# 1 2 3 Event Name Storm Type Curve Mode Duration (hours) B/B 2-Year 10-Year 100-Year NOAA 24-hr NOAA 24-hr NOAA 24-hr D D D Default Default Default 24.00 24.00 24.00 1 1 1 Depth (inches) 3.44 5.22 8.66 AMC 2 2 2

Existing Conditions 2024-04-20 HydroCAD - Existing Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Area Listing (all nodes) Area (sq-ft) CN Description (subcatchment-numbers) 36,590 28,750 692,040 454,390 1,211,770 74 80 70 77 73 >75% Grass cover, Good, HSG C (4S) >75% Grass cover, Good, HSG D (4S) Woods, Good, HSG C (4S, 10S, 14S) Woods, Good, HSG D (4S, 10S) TOTAL AREA Printed 10/25/2024 Page 3

Existing Conditions 2024-04-20 HydroCAD - Existing Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Soil Listing (all nodes) Area (sq-ft) Soil Group 0 0 728,630 483,140 0 1,211,770 HSG A HSG B HSG C HSG D Other Subcatchment Numbers 4S, 10S, 14S 4S, 10S TOTAL AREA Printed 10/25/2024 Page 4

Existing Conditions NOAA 24-hr D 2-Year Rainfall=3.44" 2024-04-20 HydroCAD - Existing Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Printed 10/25/2024 Page 5 Summary for Subcatchment 4S: DA 2 - Perv Runoff = 14.76 cfs @ 12.27 hrs, Volume= Routed to Link 2L : DA 2 68,577 cf, Depth= 1.14" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs NOAA 24-hr D 2-Year Rainfall=3.44" Area (sf) 399,842 36,590 257,004 28,750 722,186 722,186 CN 70 74 77 80 73 Description Woods, Good, HSG C >75% Grass cover, Good, HSG C Woods, Good, HSG D >75% Grass cover, Good, HSG D Weighted Average 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 14.9 100 0.0450 0.11 Sheet Flow, Sheet Flow (A-B) Woods: Light underbrush n= 0.400 P2= 3.47" 1.9 564 0.0920 4.88 Shallow Concentrated Flow, SCF (B-C) Unpaved Kv= 16.1 fps 16.8 664 Total Sheet Flow (A-B) SCF (B-C) Subcatchment 4S: DA 2 - Perv

Existing Conditions NOAA 24-hr D 2-Year Rainfall=3.44" 2024-04-20 HydroCAD - Existing Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Printed 10/25/2024 Page 6 Subcatchment 4S: DA 2 - Perv Hydrograph Runoff 16 14.76 cfs 15 NOAA 24-hr D 2-Year Rainfall=3.44" Runoff Area=722,186 sf Runoff Volume=68,577 cf Runoff Depth=1.14" Flow Length=664' Tc=16.8 min CN=73 14 13 12 11 Flow (cfs) 10 9 8 7 6 5 4 3 2 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 (hours)

Existing Conditions NOAA 24-hr D 2-Year Rainfall=3.44" 2024-04-20 HydroCAD - Existing Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 4S: DA 2 - Perv Time Precip. Excess (hours) (inches) (inches) 0.00 0.00 0.00 1.00 0.04 0.00 2.00 0.08 0.00 3.00 0.13 0.00 4.00 0.18 0.00 5.00 0.24 0.00 6.00 0.29 0.00 7.00 0.36 0.00 8.00 0.45 0.00 9.00 0.55 0.00 10.00 0.68 0.00 11.00 0.89 0.01 12.00 1.65 0.18 13.00 2.55 0.59 14.00 2.76 0.71 15.00 2.89 0.79 16.00 2.99 0.85 17.00 3.08 0.91 18.00 3.15 0.95 19.00 3.20 0.99 20.00 3.26 1.02 21.00 3.31 1.05 22.00 3.36 1.08 23.00 3.40 1.11 24.00 3.44 1.14 25.00 3.44 1.14 26.00 3.44 1.14 27.00 3.44 1.14 28.00 3.44 1.14 29.00 3.44 1.14 30.00 3.44 1.14 31.00 3.44 1.14 32.00 3.44 1.14 33.00 3.44 1.14 34.00 3.44 1.14 35.00 3.44 1.14 36.00 3.44 1.14 37.00 3.44 1.14 38.00 3.44 1.14 39.00 3.44 1.14 40.00 3.44 1.14 41.00 3.44 1.14 42.00 3.44 1.14 43.00 3.44 1.14 44.00 3.44 1.14 45.00 3.44 1.14 46.00 3.44 1.14 47.00 3.44 1.14 48.00 3.44 1.14 49.00 3.44 1.14 50.00 3.44 1.14 Runoff (cfs) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.19 4.06 3.59 1.72 1.23 0.98 0.84 0.69 0.61 0.58 0.54 0.51 0.47 0.43 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 3.44 1.14 52.00 3.44 1.14 53.00 3.44 1.14 54.00 3.44 1.14 55.00 3.44 1.14 56.00 3.44 1.14 57.00 3.44 1.14 58.00 3.44 1.14 59.00 3.44 1.14 60.00 3.44 1.14 61.00 3.44 1.14 62.00 3.44 1.14 63.00 3.44 1.14 64.00 3.44 1.14 65.00 3.44 1.14 66.00 3.44 1.14 67.00 3.44 1.14 68.00 3.44 1.14 69.00 3.44 1.14 70.00 3.44 1.14 71.00 3.44 1.14 72.00 3.44 1.14 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 7

Existing Conditions NOAA 24-hr D 2-Year Rainfall=3.44" 2024-04-20 HydroCAD - Existing Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Printed 10/25/2024 Page 8 Summary for Subcatchment 10S: DA 1 - Perv Runoff = 8.62 cfs @ 12.34 hrs, Volume= Routed to Link 11L : DA 1 45,754 cf, Depth= 1.14" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs NOAA 24-hr D 2-Year Rainfall=3.44" Area (sf) 197,386 284,447 481,833 481,833 CN 77 70 73 Description Woods, Good, HSG D Woods, Good, HSG C Weighted Average 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 14.9 100 0.0450 0.11 Sheet Flow, Sheet Flow (A-B) Woods: Light underbrush n= 0.400 P2= 3.47" 7.2 1,625 0.0540 3.74 Shallow Concentrated Flow, SCF (B-C) Unpaved Kv= 16.1 fps 22.1 1,725 Total Sheet Flow (A-B) SCF (B-C) Subcatchment 10S: DA 1 - Perv

Existing Conditions NOAA 24-hr D 2-Year Rainfall=3.44" 2024-04-20 HydroCAD - Existing Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Printed 10/25/2024 Page 9 Subcatchment 10S: DA 1 - Perv Hydrograph Runoff 9 8.62 cfs NOAA 24-hr D 2-Year Rainfall=3.44" Runoff Area=481,833 sf Runoff Volume=45,754 cf Runoff Depth=1.14" Flow Length=1,725' Tc=22.1 min CN=73 8 7 Flow (cfs) 6 5 4 3 2 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 (hours)