January 18, 2022

JOHN H.ALLGAIR, PE, PP, LS (1983-2001) DAVID J. SAMUEL, PE, PP, CME JOHN J. STEFANI, PE, LS, PP, CME JAY B. CORNELL, PE, PP, CME MICHAEL J. McCLELLAND, PE, PP, CME GREGORY R. VALESI, PE, PP, CME ASSOCIATES January 10, 2022 Via E-Mail (rtrenk@trenkisabel.law) Richard D. Trenk, Esq. Trenk Isabel Attorneys at Law 290 W. Mt. Pleasant Avenue, Suite 2350 Livingston, NJ 07039 Re: Proposal for Professional Engineering Services To Update the Steep Slope Ordinance For the Township of West Orange, Essex County, New Jersey Proposal No. 2022-006 Dear Mr. Trenk: protected given the climatic changes that the region is experiencing. following changes: TIM W. GILLEN, PE, PP, CME (1991-2018) BRUCE M. KOCH, PE, PP, CME LOUIS J. PLOSKONKA, PE, CME TREVOR J. TAYLOR, PE, PP, CME BEHRAM TURAN, PE, LSRP LAURA J, NEUMANN, PE, PP DOUGLAS ROHMEYER, PE, CFM, CME ROBERT J. RUSSO, PE, PP, CME JOHN J, HESS, PE, PP, CME In accordance with your request, we are pleased to submit our proposal for Professional Engineering services to assist the Township of West Orange with updating the Steep Slope Ordinance to ensure that the health, safety and welfare of the residents of the Township are As discussed during our recent meeting with yourself and representatives of the Township, our office would prepare an amendment to the Steep Slope Ordinance which would incorporate the 1. Require the developer of a parcel with steep slopes to perform a geotechnical analysis of the slope stability and the need for remedial work such as shaping of the rock face, pinning and/or grouting of the exposed rock for stabilization and the installation of safety netting in areas of concern. The ordinance will establish minimum criteria for the scope of the geotechnical analysis. In addition, the ordinance will stipulate that the geotechnical report must be prepared by a New Jersey licensed Engineer with a minimum of 5 years of professional experience in geotechnical engineering. In areas where the potential for rock slides exist, a rock fall zone should be provided at the toe of slope. Criteria for determining the required width of the rock fall zone will be added to the Ordinance. Require the developer to prepare a steep slope maintenance plan to ensure that the slope is maintained in a safe and stable condition over the years. Detailed requirements for the steep slope maintenance plan will be

loper to prepare a steep slope maintenance plan to ensure that the slope is maintained in a safe and stable condition over the years. Detailed requirements for the steep slope maintenance plan will be added to the Ordinance. The ordinance will stipulate that the maintenance plan must be prepared by a New Jersey licensed Engineer with a minimum of 5 years of professional experience in geotechnical engineering. In addition, the maintenance plan must be recorded against the deed of record for each property on which the steep slope is located. SAPROPOSAL\2022-006 Richard Trenk, Esq. 01-10-22.docx \ CONSULTING AND MUNICIPAL ENGINEERS / 849 W. BAY AVENUE, SUITE 7 » BARNEGAT, NEW JERSEY 08005 e (732) 410-2650 e FAX: (609) 698-1690