Environmental Facilities On-Call Design

SUPPLEMENTAL NOTICE RFP No. PW-S37860-05X The Nassau County Department of Public Works intends to issue a Request for Proposals (RFP) for Design services in connection with the following: NASSAU COUNTY DEPARTMENT OF PUBLIC WORKS Environmental Facilities On-Call Design The Department of Public Works is requesting proposals from qualified engineering firms for on-call design services in connection with the County’s environmental facilities. Such services shall encompass the evaluation, troubleshooting, and recommendation of suggested corrective measures (including design and related services) to address an assortment of problems & issues that may be encountered in any of the County’s environmental facilities. Upon County approval of the Firm’s recommendations, the successful proposer agrees to perform all the usual and necessary design services in connection with the preparation of detailed contract drawings, specifications and estimates suitable for public bidding. Sealed Technical and Cost Proposals regarding this project are due on or before 3:00 P.M. on Wednesday, July 1, 2026, at the location specified within the RFP. No late proposals will be accepted. Please note that this is not the Request for Proposals. An actual copy of the RFP and related Addenda may be obtained here: https://apex5.nassaucountyny.gov/ords/f?p=533:226. To access these documents, click on the “Vendor Portal” link. Vendors doing business with Nassau County, including those responding to this solicitation, must register with the County. The Nassau County Bid Solicitation Boards are open to all registered vendors. Vendors that have not registered are able to view open solicitation opportunities, but they are not able to download solicitation documents or submit bids or proposals. To complete the registration process, please click on the New Vendor registration link: https://apex5.nassaucountyny.gov/ords/f?p=CEVM:VREG Proposals should only be submitted after careful examination of the complete RFP and its requirements. The selected firm will be required to provide proof of general and professional liability insurance in the minimum amounts of $2,000,000 in the aggregate and $1,000,000 per occurrence, respectively. The proposer shall be required to comply with a good faith effort M/WBE goal and good faith effort minimum of 6% SDVOB goal for this project and with the requirements of Local Laws No. 14-2002, “Participation by Minority Group Members and Women in Nassau County Contracts,” and 2-2016, “Participation of Service-Disabled Veterans in County Contracts.” All Proposers should review the provisions of Appendix EE (included as an attachment to the RFP) which outlines the requirements of Local law No. 14-2002. Technical proposals shall include information regarding the Proposers plan to comply with Local Law No. 14-2002 and Local Law 2-2016. MWBE UTILIZATION PLAN – In accordance with Title 53, Nassau County Local Law No. 14-2002, all Vendors shall submit a MWBE Utilization Plan with their Proposal. Any questions regarding this RFP should be submitted via email prior to 4:00 PM, Wednesday June 10, 2026 to Mr. Pasquale Assalone, P.E. at [email protected] and Cc Rosemary Perfetti at [email protected] . There will be no site visit for the RFP since the design service will be on call as directed by the County. Dated: June 17 , 2026 By: Michael Kwaschyn, P.E. Commissioner of Public Works Business enterprises awarded an identical or substantially similar procurement contract within the past five years: H2M architects + engineers Camp Dresser McKee & Smith Cameron Engineering & Associates, LLP Gannett Fleming Engineers & Architects, PC Service-Disabled Veteran-Owned Business (SDVOB) SDVOB Goal: 6.00%