21 Stormwater Mgmt Report_082025

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

S S52°30'47"E 52.89'(D) 52.77' 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 S78°46'47"E 39.72'(D) 39.66' ' 170.23 2'47"E S85°3 MO 0.44' FHA '33"E 10 FHA FHA ASA 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 = 1.34 AC., CN = 98 >75% GRASS COVER, GOOD, HSG A = 0.02 AC., CN = 39 TOTAL AREA = 1.36 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.) REVISIONS BLOCK 157 LOT 8.03 FHA N27°0 0 FHA 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) FHA FHA FHA BLOCK 157 LOT 11 FHA UNT 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 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 S12°02'43"W FHA FHA BLOCK 157 LOT 5 N/F LANDS OF DIENER MT. PLEASANT ASSOCIATES LTD D.B. 12518, PG. 3496 FHA .12' 107 "E 7 16'5 ° 4 N8 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 FHA °31' ISSUED FOR MUNICIPAL & 17"E AGENCY REVIEW & APPROVAL 80.1 N29°03'57"E 50.23' 5' 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 FHA CH R A FH BRAN PROPOSED RETAIL STORE S17°02'23"W FHA A FH SOUT H FOR BLOCK 157 LOT 8.01 FHA MAP: 87 | BLK: 157 | LOT: 5 457 MOUNT PLEASANT AVENUE TOWNSHIP OF WEST ORANGE ESSEX COUNTY, NEW

CH R A FH BRAN PROPOSED RETAIL STORE S17°02'23"W FHA A FH SOUT H FOR BLOCK 157 LOT 8.01 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 N78°59'17"W D.B. 12518, PG. 3496 FHA 0'33"E N27°0 DRAINAGE AREA MAPS 145.92' AHW F ' 92.97 N88° PROJECT: HA 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 (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 CA G:\2023\NJA230139.00\CAD\DRAWINGS\PLAN SETS\DRAINAGE AREA MAPS\P-DMAP-PROP-NJA230139.00-0A----->LAYOUT: C-01 EDAM FHA BLOCK 157 LOT 2 NJA230139.00-0A CRA / TGH TXL 08/04/2025 P-DMAP-PROP FHA IV18E0.R 57' FHA FHA S84°16'57"W 109.05' Aug 19, 2025 PROJECT No.: DRAWN BY: CHECKED BY: DATE: CAD I.D.: 15 7.5 0 SCALE: 1" = 30' 30 ORG. DATE - 08/04/2025

S S52°30'47"E 52.89'(D) 52.77' N46°40'43"E 18.84' CH N A R H B VER SOUHTWAY RI RA EY WAY BLOCK 157 LOT 1 S78°46'47"E 39.72'(D) 39.66' ' 170.23 2'47"E S85°3 MO 170.11' (VARIA B (ASPHALE WIDTH R.O (TWO LT ROADWAY.W.) ) (SPEED WAY TRAFFIC LIMIT = 4 0 M PH ) NT VAL L N28°06'13"E 46.04' D 10' 368 FHA FHA FHA 3"E 10 FHA FHA N27°0 0'3 NT REV DATE COMMENT DRAWN BY CHECKED BY PLA CE BLOCK 157 LOT 8.02 FHA FHA PLEASA FHA BLOCK 157 LOT 11 DRAINAGE AREA PDA 1A (TO POA 1 - RAHWAY RIVER) IMPERVIOUS, HSG A = 1.27 AC., CN = 98 >75% GRASS COVER, GOOD, HSG A = 0.09 AC., CN = 39 TOTAL AREA = 1.36 AC., CN = 94 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.) ASA REVISIONS BLOCK 157 LOT 8.03 FHA POA 1 D PLE ( (AS40' WID (T PHA E R (SP WO WLT RO .O.W.) EED AY ADW LIM TRAF AY) IT = F 25 MIC) PH) FHA FHA 0.44' FHA S57°30'47"E 101.63' UNT 30' 15' D 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 SITE CIVIL AND CONSULTING ENGINEERING LAND SURVEYING PROGRAM MANAGEMENT LANDSCAPE ARCHITECTURE SUSTAINABLE DESIGN PERMITTING SERVICES TRANSPORTATION SERVICES W TM SOU TH B RAH WAY RANC RIVE H R ACE (50' ID E R.O.W (ASPHW .) A (TWO WLT ROADWAY (SPEED AY TRAFFIC ) LIMIT = 25 MPH ) BROOK PL E FHA .12' 107 PROP RETAIL SPACE (± 17,245 SF FIRST FLOOR) (± 1,522 SF MEZZANINE) 187 PARKING STALLS FHA FHA FHA S12°02'43"W FHA 369 FHA BLOCK 157 LOT 5 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.) N/F LANDS OF DIENER MT. PLEASANT ASSOCIATES LTD D.B. 12518, PG. 3496 E '57" 16 84° Callbefore you dig. BLOCK 157 LOT 8.06 S57 °3 1'17 FHA N Know what's below. 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 80.1 N29°03'57"E 50.23' 5' FHA THIS DRAWING IS INTENDED FOR MUNICIPAL AND/OR AGENCY REVIEW AND APPROVAL. IT IS NOT INTENDED AS A CONSTRUCTION DOCUMENT UNLESS

CIPAL & "E AGENCY REVIEW & APPROVAL 80.1 N29°03'57"E 50.23' 5' 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 FHA 145.92' A FH 371 369 372 PROPOSED RETAIL STORE 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 SOUT H BR EXISTING BUILDING TO REMAIN A FH FOR BLOCK 157 LOT 8.01 370 FHA 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: PROPOSED DRAINAGE AREA MAP SHEET NUMBER: C-02 30 CA G:\2023\NJA230139.00\CAD\DRAWINGS\PLAN SETS\DRAINAGE AREA MAPS\P-DMAP-PROP-NJA230139.00-0A----->LAYOUT: C-02 PDAM FHA FHA FH Sep 18, 2025 DRAINAGE AREA MAPS S17°02'23"W ANCH RAHW A FH ' 92.97 N88° FHA BLOCK 157 LOT 2 PROJECT: 369 369 NJA230139.00-0A CRA / TGH TXL 08/04/2025 P-DMAP-PROP FHA AY R IV18E0.R 57' 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