09 Stormwater Mgmt Report 122025

Site FEMA Flood Map Source:FEMA FIRM Map #34013C0092F, Date 06/04/2007 Date Access: 07/31/2025 Proposed Retail Store 457 Mount Pleasant Avenue Block 157; Lot 5 BENJ #NJA230139 Prepared by: RF Date: 7/31/2025 Checked by: CA Scale: NTS Township of West Orange, Essex County, NJ

Site NJDEP Potential Threatened/Endangered Species Habitat Source: NJ GeoWeb Date Access: 07/31/2025 Proposed Retail Store 457 Mount Pleasant Avenue Block 157; Lot 5 BENJ #NJA230139 Prepared by: RF Date: 7/31/2025 Checked by: CA Scale: NTS Township of West Orange, Essex County, NJ

Site NJDEP Known Contaminated Sites Source: NJ GeoWeb Date Access: 07/31/2025 Proposed Retail Store 457 Mount Pleasant Avenue Block 157; Lot 5 BENJ #NJA230139 Prepared by: RF Date: 7/31/2025 Checked by: CA Scale: NTS Township of West Orange, Essex County, NJ

Hydrologic Soils Group Source: NRCS Web Soil Survey, 2024 Date Access: 07/31/2025 Proposed Retail Store 457 Mount Pleasant Avenue Block 157; Lot 5 BENJ #NJA230139 Prepared by: RF Date: 7/31/2025 Checked by: CA Scale: NTS Township of West Orange, Essex County, NJ

Depth to Seasonal High Water Table Source: NRCS Web Soil Survey, 2024 Date Access: 07/31/2025 Proposed Retail Store 457 Mount P Pleasant Avenue Block 157; Lot 5 BENJ #NJA230139 Prepared by: RF Date: 7/31/2025 Checked by: CA Scale: NTS Township of West Orange, Essex County, NJ

ZONE R-5 S52°30'47"E 52.89'(D) 52.77' ZONE B-2 N46°40'43"E 18.84' CH N A R H BY RIVER T U O S HWA RA PLEASA NBLE (VARIA T VA WIDTH LLEY R.O.W.) WAY BLOCK 157 LOT 1 ' 170.23 S78°46'47"E 39.72'(D) 39.66' 2'47"E S85°3 MO UNT 0.44' FHA '33"E 10 FHA FHA NT REV PLA DATE COMMENT DRAWN BY CHECKED BY CE BLOCK 157 LOT 8.02 FHA DRAINAGE AREA EDA 1A (TO POA 1 - RAHWAY RIVER) IMPERVIOUS, HSG A = 1.93 AC., CN = 98 >75% GRASS COVER, GOOD, HSG A = 0.03 AC., CN = 39 TOTAL AREA = 1.96 AC., CN = 97 TC = 8.6 MIN. (PERVIOUS - CURRENT ADJ.) TC = 3.2 MIN. (IMPERVIOUS - CURRENT ADJ.) TC = 8.2 MIN. (PERVIOUS - FUTURE ADJ.) TC = 3.1 MIN. (IMPERVIOUS - FUTURE ADJ.) ASA BLOCK 157 LOT 8.03 FHA N27°0 0 FHA FHA REVISIONS FHA FHA FHA BLOCK 157 LOT 11 FHA PLE ( (AS40' WID (T PHA E R (SP WO WLT RO .O.W.) EED AY ADW LIM TRAF AY) IT = F 25 MIC) PH) S57°30'47"E 101.63' FHA (ASPHA (TWO LT ROADWAY ) (SPEED WAY TRAFFIC LIMIT = 40 MPH ) 170.11' N28°06'13"E 46.04' POA 1 THE INFORMATION, DESIGN AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROM BOHLER. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © BOHLER S SITE CIVIL AND CONSULTING ENGINEERING LAND SURVEYING PROGRAM MANAGEMENT LANDSCAPE ARCHITECTURE SUSTAINABLE DESIGN PERMITTING SERVICES TRANSPORTATION SERVICES W TM SOU TH B RAH RAN WAY RIVECH R LACE (50' WID E R.O.W (ASPHA .) (TWO WLT ROADWAY ) A YT (SPEED LIMIT =RAFFIC 25 MPH ) BROOK P E FHA FHA FHA BLOCK 157 LOT 5 N/F LANDS OF DIENER MT. PLEASANT ASSOCIATES LTD D.B. 12518, PG. 3496 FHA .12' 107 "E FHA 7 16'5 ° 4 N8 S12°02'43"W FHA FHA Know what's below. Callbefore you dig. BLOCK 157 LOT 8.06 S57 NEW JERSEY YOU MUST CALL 811 BEFORE ANY EXCAVATION WHETHER IT'S ON PRIVATE OR PUBLIC LAND. 1-800-272-1000 www.nj1-call.org °31' ISSUED FOR MUNICIPAL & 17"E 5' N29°03'57"E 50.23' AGENCY REVIEW & APPROVAL ZONE R-5 80.1 FHA THIS DRAWING IS INTENDED FOR MUNICIPAL AND/OR AGENCY REVIEW AND APPROVAL. IT IS NOT INTENDED AS A CONSTRUCTION DOCUMENT UNLESS INDICATED OTHERWISE. FHA AY R CH R A FH BRAN A FH SOUT H PROPOSED RETAIL STORE S17°02'23"W FHA MAP: 87 | BLK: 157 | LOT: 5 457 MOUNT PLEASANT AVENUE TOWNSHIP OF WEST ORANGE ESSEX COUNTY, NEW

INDICATED OTHERWISE. FHA AY R CH R A FH BRAN A FH SOUT H PROPOSED RETAIL STORE S17°02'23"W FHA MAP: 87 | BLK: 157 | LOT: 5 457 MOUNT PLEASANT AVENUE TOWNSHIP OF WEST ORANGE ESSEX COUNTY, NEW JERSEY A FH P.O.B. DuuB A FH N74°42'17"W 103.59' 328.07' TM BOHLER ENGINEERING NJ, LLC FHA "W 23'17 D.B. 12518, PG. 3496 FHA 0'33"E N27°0 FOR BLOCK 157 LOT 8.01 FHA ' 92.97 N88° DRAINAGE AREA MAPS 145.92' AHW FHA ZONE B-2 DunC 30 INDEPENDENCE BLVD., SUITE 200 WARREN, NJ 07059 Phone: Fax: A FHA ELEVATION = 369.9 FT BASED ON METHOD 3 DELINEATION (908) 668-8300 (908) 754-4401 www.BohlerEngineering.com ZONE R-2 NJ CERT. OF AUTHORIZATION NO. 24GA28400600 & MH000122 MOUNT PLEASANT AVENUE (A.K.A. MOUNT PLEASANT TURN PIKE) (A.K.A. ROUTE 1) (66' WIDE R.O.W.) (ASPHALT ROADWAY) (TWO WAY TRAFFIC) (SPEED LIMIT = 40 MPH) T. LAM PROFESSIONAL ENGINEER NEW JERSEY LICENSE No. 47863 NEW YORK LICENSE No. 092942 CONNECTICUT LICENSE No. 30024 PENNSYLVANIA LICENSE No. 76746 SHEET TITLE: EXISTING DRAINAGE AREA MAP SHEET NUMBER: C-01 30 AS \\BOHLERENG.NET\SHARES\NJ-PROJECTS\2023\NJA230139.00\CAD\DRAWINGS\PLAN SETS\DRAINAGE AREA MAPS\P-DMAP-PROP-NJA230139.00-2A----->LAYOUT: C-01 EDAM F N78°59'17"W NJA230139.00-2A CRA / TGH TXL 08/04/2025 P-DMAP-PROP PROJECT: HA FH Dec 11, 2025 FHA BLOCK 157 LOT 2 ZONE B-2 FHA IV18E0.R 57' FHA FHA S84°16'57"W 109.05' PROJECT No.: DRAWN BY: CHECKED BY: DATE: CAD I.D.: 15 7.5 0 SCALE: 1" = 30' 30 ORG. DATE - 08/04/2025

SITE CIVIL AND CONSULTING ENGINEERING LAND SURVEYING PROGRAM MANAGEMENT LANDSCAPE ARCHITECTURE SUSTAINABLE DESIGN PERMITTING SERVICES TRANSPORTATION SERVICES ZONE B-2 N46°40'43"E 18.84' CH N A R H B VER SOUHTWAY RI RA EY WAY BLOCK 157 LOT 1 ' 170.23 S78°46'47"E 39.72'(D) 39.66' 2'47"E S85°3 D 368 10' 170.11' D FHA 0.44' FHA FHA COMMENT DRAWN BY CHECKED BY T BLOCK 157 LOT 8.02 FHA FHA 3"E 10 DATE BLOCK 157 LOT 8.03 9 36 N27°0 0'3 REV LAC E FHA BLOCK 157 LOT 11 DRAINAGE AREA PDA 1A (TO POA 1 - RAHWAY RIVER) IMPERVIOUS, HSG A = 1.87 AC., CN = 98 >75% GRASS COVER, GOOD, HSG A = 0.09 AC., CN = 39 TOTAL AREA = 1.96 AC., CN = 95 TC = 8.5 MIN. (PERVIOUS - CURRENT ADJ.) TC = 3.1 MIN. (IMPERVIOUS - CURRENT ADJ.) TC = 8.1 MIN. (PERVIOUS - FUTURE ADJ.) TC = 3.0 MIN. (IMPERVIOUS - FUTURE ADJ.) REVISIONS FHA FHA FHA D LEA SAN TP S57°30'47"E 101.63' 30' FHA FHA FHA PLEASA UNT P 369 D POA 1 MO 368 15' NT VAL L N28°06'13"E 46.04' 368 THE INFORMATION, DESIGN AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROM BOHLER. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © BOHLER TM SOU TH B RAH WAY RANC RIVE H R BROOK PLACE ZONE R-5 S52°30'47"E 52.89'(D) 52.77' FHA .12' 107 FFE: 370.10 PROP. SUB-DRAINAGE AREA - PERVIOUS PAVEMENT IMPERVIOUS, HSG A = 0.27 AC., CN = 98 PERVIOUS PAVEMENT AREA = 0.20 AC., TC = 0.5 MIN. (CURRENT & FUTURE ADJ.) FHA N FHA FHA PROP RETAIL SPACE (± 17,245 SF FIRST FLOOR) (± 1,522 SF MEZZANINE) 184 PARKING STALLS E '57" 16 84° FHA S12°02'43"W FHA 369 FHA BLOCK 157 LOT 5 N/F LANDS OF DIENER MT. PLEASANT ASSOCIATES LTD D.B. 12518, PG. 3496 Know what's below. S57 °3 1'17 NEW JERSEY YOU MUST CALL 811 BEFORE ANY EXCAVATION WHETHER IT'S ON PRIVATE OR PUBLIC LAND. 1-800-272-1000 www.nj1-call.org ISSUED FOR MUNICIPAL & "E AGENCY REVIEW & APPROVAL ZONE R-5 80.1 5' N29°03'57"E 50.23' Callbefore you dig. BLOCK 157 LOT 8.06 FHA THIS DRAWING IS INTENDED FOR MUNICIPAL AND/OR AGENCY REVIEW AND APPROVAL. IT IS NOT INTENDED AS A CONSTRUCTION DOCUMENT UNLESS INDICATED OTHERWISE. AY R IV18E0.R 57' DRAINAGE AREA MAPS FHA 145.92' A FH 371 369 372 PROPOSED RETAIL STORE S17°02'23"W ANCH RAHW EXISTING BUILDING TO REMAIN A FH FOR BLOCK 157 LOT 8.01 370 FHA SOUT H

. AY R IV18E0.R 57' DRAINAGE AREA MAPS FHA 145.92' A FH 371 369 372 PROPOSED RETAIL STORE S17°02'23"W ANCH RAHW EXISTING BUILDING TO REMAIN A FH FOR BLOCK 157 LOT 8.01 370 FHA SOUT H BR 373 0 37 MAP: 87 | BLK: 157 | LOT: 5 457 MOUNT PLEASANT AVENUE TOWNSHIP OF WEST ORANGE ESSEX COUNTY, NEW JERSEY A FH 374 DuuB A FH N74°42'17"W 103.59' D.B. 12518, PG. 3496 328.07' TM BOHLER ENGINEERING NJ, LLC FHA "W 23'17 N78°59'17"W P.O.B. 375 FHA N27°0 0'33"E FHA FHA ZONE B-2 DunC 30 INDEPENDENCE BLVD., SUITE 200 WARREN, NJ 07059 Phone: Fax: FH A FHA ELEVATION = 369.9 FT BASED ON METHOD 3 DELINEATION (908) 668-8300 (908) 754-4401 www.BohlerEngineering.com ZONE R-2 NJ CERT. OF AUTHORIZATION NO. 24GA28400600 & MH000122 MOUNT PLEASANT AVENUE T. LAM PROFESSIONAL ENGINEER NEW JERSEY LICENSE No. 47863 NEW YORK LICENSE No. 092942 CONNECTICUT LICENSE No. 30024 PENNSYLVANIA LICENSE No. 76746 SHEET TITLE: PROPOSED DRAINAGE AREA MAP SHEET NUMBER: C-02 30 AS \\BOHLERENG.NET\SHARES\NJ-PROJECTS\2023\NJA230139.00\CAD\DRAWINGS\PLAN SETS\DRAINAGE AREA MAPS\P-DMAP-PROP-NJA230139.00-2A----->LAYOUT: C-02 PDAM FHA FHA A FH 369 NJA230139.00-2A CRA / TGH TXL 08/04/2025 P-DMAP-PROP PROJECT: 369 ' 92.97 N88° ZONE B-2 FHA BLOCK 157 LOT 2 Dec 11, 2025 FHA S84°16'57"W 109.05' PROJECT No.: DRAWN BY: CHECKED BY: DATE: CAD I.D.: 15 7.5 0 SCALE: 1" = 30' 30 ORG. DATE - 08/04/2025