Stormwater Maintenance Plan 10222025 4920 5008 39592

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 October 22, 2025 Class C |A = Asphalt ||AM = Asphalt Millings | |AS = Asphalt Shingles ||BB = Brick & Block | BR = Brush |lC = Concrete | ICW = Creosote Wood \|FW = Food Waste | IG = Grass \||GY = Gypsum | IL = Leaves ||LW = Lake Weed | PCS = Petroleum Contaminated ||PWR = Potable Water Soil Residue ISS = Street Sweepings \|T = Tires | [TL = Tree Limbs/Tree Branches _||TP = Tree Parts | ITRS = Trees |TS = Tree Stumps | ITT = Tree Trunks |W = Wood | IWC = 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. Cost Overview Cost Type Cost ‘Details General cost for routine maintenance $3,000.00 / year Table A (quarterly maintenance) Unscheduled maintenance inspection $300.00 / year Table B after 1 inch of rain Culvert video inspection every 5 §300.00/ year Table C years Total cost $3,600.00 / year