2918-25 STORMWATER final 4_1_25.doc.pdf

38 2. Topographic base map. The design engineer shall provide sufficient topographic and location data that shows existing contours, at a scale of no greater than 1” =30’ to allow the Township Engineer to make an appropriate evaluation of the development proposal. The topography and existing conditions must be based on a plan prepared by a NJ licensed surveyor; 3. Project Development Plans. A map at the scale of the topographical base map indicating the location of existing and proposed buildings, proposed contours and other improvements shall be provided; 4. Location of floodplains, wetlands, and water bodies if application is directly within 300 feet of same; 5. Any State Agency Approvals as may be required NJDEP permits, HEPSCD permits; 6. Grading and Drainage/Stormwater Management facilities map illustrated on a map of the same scale as the topographic base map, shall be included: i. Total area to be disturbed, paved, or built upon, proposed surface contours, land area to be occupied by the stormwater management facilities and the type of vegetation thereon, and details of the proposed plan to control and discharge; ii. Existing and proposed contours; iii. Existing and proposed spot elevations at building corners, property corners, street gutter line, top of curb, top of depressed curb, top and bottom of wall and around structures; iv. Existing and proposed utility connections to the existing and proposed structures; v. Finished floor, basement/cellar and garage floor elevations; vi. Location of roof leaders; vii. Design and calculations of the proposed stormwater management facility; viii. Details of all stormwater management facility design, during and after construction; ix. Maintenance manual for stormwater facilities in accordance with NJDEP guidelines and BMP manual; 7. Plan required to be signed and sealed by a NJ Licensed Professional such as an architect, engineer and surveyor. D. Calculations Calculations to demonstrate compliance with § 25-29.3 and §25-29.9 of this ordinance Stormwater management control measures for all minor developments shall depend on the hydrologic properties of soils or require certain separation from the seasonal high-water table and a soils report shall be submitted. The soils report shall be based on on-site boring logs or soil pit profiles. The number and location of required soil borings or soil pits shall be

h-water table and a soils report shall be submitted. The soils report shall be based on on-site boring logs or soil pit profiles. The number and location of required soil borings or soil pits shall be determined based on what is needed to