Stormwater Maintenance Plan and Field Manual 01282026 4932 5213 7869 v2

STORMWATER MAINTENANCE PLAN AND FIELD MANUAL FOR Sofia By Gomes 525 Northfield Avenue Lot 1.01, Block 159.04 Township of West Orange Essex County, New Jersey Applicant 525 Northfield Ave., LLC 91 KOSSUTH STREET NEWARK, NJ 07105 pedro@bygomes.com Prepared by Jarmel Kizel Architects & Engineers, Inc. Jarmel Kizel Project No. GOMESGR24-223 Dated: January 28, 2026 Anthony Facchino, PE, PLS Professional Engineer and Land Surveyor N.J. License No. GE042585 Signature This plan is recorded in Deed Book # _______ Page # ____ with __________ County Clerk on Date _______ ARCHITECTURE ENGINEERING SPACE PLANNING INTERIOR DESIGN IMPLEMENTATION SERVICES PRINCIPALS MARVIN JARMEL, IIDA MATTHEW B. JARMEL, AIA, MBA IRWIN H. KIZEL, AIA, PP RICHARD A. JARMEL, PE NJ STATE BOARD OF ARCHITECTS CERTIFICATE OF AUTHORIZATION NUMBER 161 NJ STATE BOARD OF PROFESSIONAL ENGINEERS AND LAND SURVEYORS CERTIFICATE OF AUTHORIZATION NUMBER GA278177 42 Okner Parkway Livingston, NJ 07039 TEL: (973) 994-9669 FAX: (973) 994-4069 www.jarmelkizel.com

Stormwater Maintenance Plan for 525 Northfield Avenue, Lot 1.01, Block 159.04 Township of West Orange, Essex County, New Jersey Jarmel Kizel Project No. Gomesgr24-223 January 28, 2026 Part I- Maintenance A. List of Stormwater Management Measures 1 B. Location Map 2 C. Local Agencies 3 D. Description of Stormwater Management Measures 3 E. Preventative and Corrective Maintenance Action Plan 4 F. Maintenance Personnel, Equipment, Tools, and Supplies 6 G. Disposal Plan 6 H. Cost Estimate 9 I. Safety Measures and Procedures 10 J. Training Plan and Records 13 K. Annual Evaluation of the Effectiveness of the Plan 14 L. Documents 16 Part II Field Manuals Part III Gutters and Leaders Part IV Inlets Part V Inspection Checklist and Maintenance Actions Note: This manual is based on the documents and guidance provided by the New Jersey Department of Environmental Protection (NJDEP) and West Orange ordinance 25-29.13.

Stormwater Maintenance Plan for 525 Northfield Avenue, Lot 1.01, Block 159.04 Township of West Orange, Essex County, New Jersey Jarmel Kizel Project No. Gomesgr24-223 January 28, 2026 Jarmel Kizel has only assembled these maintenance documents as per the guidance of the NJDEP and West Orange ordinance 25-29.13. All responsibility and costs associated with the operation and maintenance of the stormwater management system including but not limited to the stormwater facilities is solely with the owner and/or his other designated managers, operators, contractors and maintenance personnel. The owner/maintainer is solely responsible for adhering to any supplier or manufacturer requirements and directions whether or not included in these documents. The owner/maintainer is also solely responsible for following all safety protocols including but not limited to the occupational safety and hazard act whether or not included in this document. Part I- Maintenance Plan A. List of Stormwater Management Measures The stormwater management measures incorporated into this development are listed below. The corresponding Field Manuals for the stormwater management measures are located in Part II of the Maintenance Plan. Type of Stormwater Management Measure BMP No. Location Description State Plane Coordinates / Lat., Long. Inlets and Culvert Storm sewer collection system 1 Multiple locations On-site 40⁰46’14”N 74⁰16’36”W

Stormwater Maintenance Plan for 525 Northfield Avenue, Lot 1.01, Block 159.04 Township of West Orange, Essex County, New Jersey Jarmel Kizel Project No. Gomesgr24-223 January 28, 2026 B. LOCATION MAP

Stormwater Maintenance Plan for 525 Northfield Avenue, Lot 1.01, Block 159.04 Township of West Orange, Essex County, New Jersey Jarmel Kizel Project No. Gomesgr24-223 January 28, 2026 C. LOCAL AGENCIES The following agencies are listed for the owner/operator’s reference: Hudson, Essex & Passaic Soil Conservation District 15 Bloomfield Ave. North Caldwell, New Jersey 07006 Tel.—(973) 364-0786 Fax.—(973) 364-0784 Essex County Engineering Department 900 Bloomfield Ave. Verona, New Jersey 07044 Tel.—(973) 226-8506 Fax.—(973) 226-7469 Township of West Orange 66 Main Street West Orange, NJ 07052 973-325-4119 New Jersey Department of Environmental Protection Division of Land Use Regulation P.O. Box 420—501 East State Street Station Plaza 5—Second Floor Trenton, New Jersey 08625 Tel—609-777-0454 Website— www.nj.gov/dep/landuse

Stormwater Maintenance Plan for 525 Northfield Avenue, Lot 1.01, Block 159.04 Township of West Orange, Essex County, New Jersey Jarmel Kizel Project No. Gomesgr24-223 January 28, 2026 D. Description of Stormwater Management Measures Storm Sewer Collection System Design storm: - Design Purposes: o 100-year storm - Dimensions: 12” & 15” HDPP and 72” Concrete Culvert E. Preventative and Corrective Maintenance Action Plan Preventative and corrective maintenance shall be performed to maintain the function of the stormwater management measure, including, but not limited to, repairs or replacement to the structure; removal of sediment, debris, or trash; restoration of eroded areas; snow and ice removal; fence repair or replacement; restoration of vegetation; and repair or replacement of non-vegetated linings. Maintenance plans should include specific preventative and corrective maintenance tasks such as removal of sediment, trash, and debris; mowing, pruning, and restoration of vegetation; restoration of eroded areas; elimination of mosquito breeding habitats; control of aquatic vegetation; and repair or replacement of damaged or deteriorated components. The maintenance plan should address the maintenance of access points to the stormwater management measures in accordance with the following: - all components of the stormwater management measures must be readily accessible for inspection and maintenance. - trees, shrubs, and underbrush must be pruned or trimmed as necessary to maintain access to the stormwater management measure via roadways, paths, and ramps, including paths through perimeter vegetation to permanent pools, aquatic benches, and safety ledges to allow for the inspection and control of mosquito breeding; and - the exact limits of inspection and maintenance easements and rights-of- way should be specified on stormwater management measure plans and included in the maintenance plan.

Stormwater Maintenance Plan for 525 Northfield Avenue, Lot 1.01, Block 159.04 Township of West Orange, Essex County, New Jersey Jarmel Kizel Project No. Gomesgr24-223 January 28, 2026 Preventative Maintenance Actions Frequency Preventative Maintenance Actions Stormwater Measures/ No. Monthly Vegetation mowing and removal in growing season Inlets Quarterly Sediment removal and examine system for debris, ensure inlets are clean and other semiannual preventative maintenance actions. Basin Structural Inspection Other annual preventative maintenance actions- examine inlets, access points and other system components Inlets and Culvert Unscheduled Quick inspection after every rain of one (1) inch or more Video inspect Culvert every 5 years Inlets and Culvert Corrective Maintenance Actions Potential Corrective Maintenance Actions Stormwater Management Measures/No. - Repair/Replacement of inlet castings Inlets Inspection and Logs of All Preventative and Corrective Maintenance The person responsible for maintenance shall maintain a detailed log of all preventative and corrective maintenance for the structural stormwater management measures incorporated into the design of the development, including a record of all inspections and copies of all maintenance-related work orders in accordance with West Orange ordinance 25-29.13. The inspection report shall include copies of photographs depicting the conditions of the BMPs. A maintenance plan shall include a schedule of regular inspections and tasks, and detailed logs of all preventative and corrective maintenance performed on the

Stormwater Maintenance Plan for 525 Northfield Avenue, Lot 1.01, Block 159.04 Township of West Orange, Essex County, New Jersey Jarmel Kizel Project No. Gomesgr24-223 January 28, 2026 stormwater management measure, including all maintenance-related work orders. The person with maintenance responsibility must retain and, upon request, make available the maintenance plan and associated logs and other records for review by a public entity with administrative, health, environmental, or safety authority over the site. F. Maintenance Personnel, Equipment, Tools, and Supplies Maintenance plans should include equipment, tools, and supplies necessary to perform the various preventative and corrective maintenance tasks specified in the plan. Sources of specialized, proprietary, and nonstandard equipment, tools, and supplies will also be provided. This section applies to both maintenance tasks that are performed by in-house personnel or are outsourced. The design engineer has to list the required amount of maintenance personnel, equipment, tools, and supplies necessary to perform the various preventative and corrective maintenance tasks specified in the plan. In addition, the sources of specialized, proprietary, and nonstandard equipment, tools and supplies for specific measures, such as manufactured treatment devices will also be listed. Maintenance Personnel/Equipment/Tools/Supplies Personnel/Equipment/Tools Name Quantity general maintenance crew 1 debris removal tools, shovels, buckets, wheel barrels, flashlight 1 set leaf blower 1 G. Disposal Plan The maintenance plan includes approved disposal and recycling sites and procedures for sediment, trash, debris and other material removed from stormwater management measures during maintenance operations. Disposal/Recycling Procedures - There is the potential for debris to build up on the surface of the system. Send debris to the appropriate disposal facility

Stormwater Maintenance Plan for 525 Northfield Avenue, Lot 1.01, Block 159.04 Township of West Orange, Essex County, New Jersey Jarmel Kizel Project No. Gomesgr24-223 January 28, 2026 Disposal Field – Offsite Class B FACILITY NAME/COUNTY NJEMS PI WASTE TYPE PHONE LOCATION MUNICIPALITY ESSEX Caputo Brothers 168325 BR, L, TP, TRS, TS (973) 857- 5410 Village Park Rd. Cedar Grove Evergreen Recycling Solutions, LLC 499991 T, TP, TS, W (973) 242- 3030 110 Evergreen Avenue Newark Silva Construction & Demolition 502757 A, BB, BR, C, T, TP, TRS, TS, W (973) 483- 3792 100 Riverside Avenue Newark T. Fiore Recycling Corp. 132148 A, AS, BB, BR, C, T, TP, TRS, TS, W (973) 465- 1818 411 Wilson Avenue Newark Class C FACILITY NAME NJEMS PI Number WASTE TYPE TELEPHONE LOCATION MUNICIPALITY ESSEX Millburn Township Compost 132121 BR, L (973) 564-7060 Kennedy Parkway Millburn Description of the Offsite Disposal: Disposal may be by the township, by a private operator and conveyance entity, etc. Class B A = Asphalt AM = Asphalt Millings AS = Asphalt Shingles BB = Brick & Block BR = Brush C = Concrete CW = Creosote Wood FW = Food Waste G = Grass GY = Gypsum

Stormwater Maintenance Plan for 525 Northfield Avenue, Lot 1.01, Block 159.04 Township of West Orange, Essex County, New Jersey Jarmel Kizel Project No. Gomesgr24-223 January 28, 2026 L = Leaves LW = Lake Weed PCS = Petroleum Contaminated Soil PWR = Potable Water Residue SS = Street Sweepings T = Tires TL = Tree Limbs/Tree Branches TP = Tree Parts TRS = Trees TS = Tree Stumps TT = Tree Trunks W = Wood WC = Wood Chips WP = Wood Pallets Class C A = Asphalt AM = Asphalt Millings AS = Asphalt Shingles BB = Brick & Block BR = Brush C = Concrete CW = Creosote Wood FW = Food Waste G = Grass GY = Gypsum L = Leaves LW = Lake Weed PCS = Petroleum Contaminated Soil PWR = Potable Water Residue SS = Street Sweepings T = Tires TL = Tree Limbs/Tree Branches TP = Tree Parts TRS = Trees TS = Tree Stumps TT = Tree Trunks W = Wood WC = Wood Chips WP = Wood Pallets H. Cost Estimate Cost estimates of maintenance tasks, including, but not limited to, sediment, trash and debris removal must be included in the maintenance plan. Below is an illustration of a cost breakdown and estimation for maintenance of stormwater management measures. The actual costs may vary widely from what is shown here with factors such as local requirements, equipment, personnel, weather, and maintenance methods and other factors.