2025 12 16_ZB 24 15_42 Eagle Ridge Way_Engineering Review 3

F:\2023\23-1345 West Orange 2024 Municipal Engineering Services\010 - ZB-24-15, Waystone Realty - 42 Eagle Ridge Way\Correspondence\Letters\2025-12-16_ZB-24-15_42 Eagle Ridge Way_Engineering Review 3.Docx 3 2. Demolition 2.1. The Applicant shall provide testimony regarding the intention to remove any additional trees and obtaining a Tree Removal Permit pursuant to Ordinance §25-27. 3. Layout Plan 3.1. The Applicant shall provide testimony regarding the existing site conditions, proposed improvements, and conformance with applicable ordinances and regulations. 3.2. Steep slope calculations were submitted, but there is an error in the land area with slopes between 10 and 14.99 percent. Also a plan that shows the location of each area of steep slopes is required. The Applicant will need to provide testimony relative to the steep slope calculations. 3.3. Modular block walls are proposed in the easterly portion of the site. The plan and detail indicates the walls will not exceed four feet in height. A building permit is not required for a wall four feet or less in height. However, a global stability analysis with supporting calculations shall be submitted by the Engineer to ensure that the wall can sustain the proposed wall loadings. 3.4. The Engineer prepared a plan superimposing existing and proposed contours using different grey scales to distinguish between the two sets of contours. 3.5. Soil movement calculations within the limit of Disturbance were provided by the Engineer. 3.6. The Engineer shall provide information and testimony on the types of vehicles that will frequent this Site and how those vehicles will maneuver within the Property. 3.7. Waste disposal, particularly horse waste, shall be addressed. A compost facility is depicted along the southerly elevation of the structure, but information and testimony are required on how this compost facility will be used along with frequency of collection and vehicle maneuverability. Information and testimony shall be provided on methods to control odors. 3.8. A detail of the Proposed Pavement (Typ,) was provided. 3.9. The Engineer shall provide testimony if any of the proposed improvements encroach on wetlands or wetlands buffers that exist along the westerly side of Eagle Ridge Way opposite this site. The NJDEP advised the Township that the drainage way on the easterly side of Eagle Ridge Way is not a

ands or wetlands buffers that exist along the westerly side of Eagle Ridge Way opposite this site. The NJDEP advised the Township that the drainage way on the easterly side of Eagle Ridge Way is not a regulated waterway. 4. Grading & Drainage Plan 4.1. The storm water management plan was designed to comply with the regulations that were in effect at the time of the submission of the application. These regulations are contained in West Orange Ordinance No. 2870-24, adopted on November 25, 2024. The Engineer shall provide testimony that these are the regulations that were applied to this application. 4.2. The Applicant shall clarify which rainfall data is used for the stormwater analysis, the source of the rainfall data is not referenced or provided in the report. 4.3. Both the pre- and post-development hydro-CAD analysis titles are “Future Rainfall”. The source of the rainfall amounts should be clarified in the report as well as how the future rainfall amounts were calculated. Additionally, a pre- and post-development hydro-CAD