2026 AC Water Main Replacement

Solicitation 2026-RFQ-042 is a request for qualifications from the City of Mercer Island Public Works department for professional engineering services to design water system upgrades. The project focuses on replacing approximately 5,000 linear feet of aging asbestos cement water mains with ductile iron mains along SE 40th St and E Mercer Way. The scope is divided into two phases: Phase 1 involves water system and PRV vault replacement on SE 40th St from Greenbrier Ln to 97th Ave SE, and Phase 2 extends the replacement to 97th Ave SE and the 3700 and 3800 blocks of East Mercer Way. Additional components for replacement include fire hydrants and water services. The design must comply with the Reduction of Lead in Drinking Water Act and the City of Mercer Island Standard Details Water. The project follows a goal-based timeline with bid-ready plans for Phase 1 due by Q2 2027 and Phase 2 by Q3 2027, with overall construction completion targeted for Q2 2028. Qualified firms must be licensed in the State of Washington and submit a Statement of Qualifications limited to 12 pages, including a proposed timeline and three references from the last five years. Selection is at the sole discretion of the City, and the awarded firm will negotiate a scope and fee schedule using the City's standard professional services agreement. Administration is managed by the City Manager, with payments issued via City warrant within 45 days of receiving a proper monthly invoice.