Summary

Notice is hereby given that the City of Mercer Island (“City”) is announcing a Request for Proposals (RFP) to solicit proposals from qualified firms to perform third-party special inspection services associated with the Water Supply Pipeline Project: 2026-RFP-009 Special Inspection Services.

Successful applicants must be experienced in providing third-party special inspection and materials testing services for complex public works infrastructure projects, including large-diameter water transmission pipelines, utility installations, and associated roadway and ADA improvements, in active construction environments.

Proposal with requirements, as outlined in the RFP package, must be received no later than 1:00 pm on Friday, April 24, 2026. All proposals are to be submitted through the Procurement Portal at https://procurement.opengov.com/portal/mercerislandwa.

Additional information is available in the posting on OpenGov:  https://procurement.opengov.com/portal/mercerislandwa/projects/247027