2026 Water System Improvements - Design Services (Request for Qualifications)
Mercer Island, City of
Mercer Island, City of, is seeking water system design services for aging water main replacement.
Reference No.
RFP-2025-3128
Category
Infrastructure/Construction
Due Date
March 10th, 2026
Description
Provide design services for three segments of water main along 82nd Avenue Southeast, Forest Avenue Southeast, and West Mercer Place that were installed roughly 65 years ago and have recently suffered multiple breaks. To prevent further damage, water mains to be replaced, hydrants, meters, and one PRV station. The purpose of this project is to replace roughly 1,000 LF of 4" cast iron water main with 6" and 8" ductile iron water mains at the following locations 5200 block of 82nd Ave SE; 5200 block of Forest Ave SE; and 5212 West Mercer Pl. One PRV station, F3-B, will be replaced. Fire hydrants, water services, and other components will be upgraded/replaced, and the asphalt roadways will be repaved following utility work.
Submit SOQs electronically.
This solicitation has some or all Local funding, additional requirements may apply.
Key Requirements
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