129-26 (Exhibit A) STV-consultant-ageement_2026-01-05.pdf

AmerCom Corp. Consulting Engineers Corporate Headquarters: merCom Corp. 300 Interpace Parkway Building C, Suite 210A Consulting Engineers Parsippany, New Jersey 07054 Responsive Cost-Effective Solutions with Excellence! Main Phone 973-402-6111 www.amercomcorp.com August 21, 2025 Dan McGinnis, PE, PTOE STV Incorporated 997 Lenox Drive, Suite 102 Lawrenceville, NJ 08648-2317 Re: SRTS West Orange – Gregory Ave. & Lowell Ave Preliminary Engineering Proposal Dear Dan: Our scope of work will consist of survey, mapping, and ROW work in accordance with current NJDOT Design Phase Guidelines as detailed below. Survey It is our understanding that we will develop design level base mapping through the limits of the project site. Topographic base mapping will be completed though ground survey extending approximately 900’ along Lowell Ave. and 800’ along Gregory Ave. as shown on the attached plan. Survey work will include: • Min. length along side streets at intersections: 50’ minimum • Min. width 10’ past ROW on each side, 25’ at retaining wall locations (locations in red in KMZ) • Record and label all storm and sanitary inverts in map area • Establish survey baseline • Survey roadway cross sections at minimum 50’ intervals (Used to prepare DTM) • Locate and measure the diameter for approximately 30 trees with trunks greater than 6” diameter. • Plotting of cross sections is not included in this scope • Survey of aerial wires is not included in this scope NJDOT activities necessary to complete this work are as follows: Prepare Control Survey Report (3015) The control survey for the project will be completed and tied into NAD 83 and NAVD 88 controls. A minimum of 4 survey

essary to complete this work are as follows: Prepare Control Survey Report (3015) The control survey for the project will be completed and tied into NAD 83 and NAVD 88 controls. A minimum of 4 survey control points will be established through the project limits. A control survey report will be prepared. The report will document the survey and data required to establish primary survey controls. Conduct Topographic Survey (3020) Topographic/Planimetric Survey A topographic survey will be conducted based on the limits detailed above. We will survey all existing planimetric features through the mapping limits. Visible surface utilities, drainage features and inverts AmerCom is an Equal Opportunity Employer