Stormwater Maintenance Plan and Field Manual 01282026 4932 5213 7869 v2

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