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 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.