When is the submission deadline?

Submissions are due November 3, 2026. Questions must be submitted by October 29, 2026.

What is the budget for this RFP?

Settle estimates the budget at $750,000 – $1,250,000. The issuer has not published an official figure.

It was issued by City of Mercer Island. The work is located in Mercer Island, Washington, United States.

2026 AC Water Main Replacement Design Services (Due November 3, 2026)

Overview

Architecture, Engineering & Urban Planning

Mercer Island, Washington, United StatesPosted: October 20, 2026Deadline: November 3, 2026

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SUMMARY

The City of Mercer Island is seeking professional engineering services to design the replacement of approximately 5,000 linear feet of aging asbestos cement water mains.

KEY REQUIREMENTS

Firm must be licensed and lawfully engaged in providing engineering services in the State of Washington
Must demonstrate experience designing municipal water main replacement projects, particularly involving asbestos cement (AC) pipe
Must demonstrate ability to identify and resolve utility conflicts
Must demonstrate knowledge of resolving challenges impacting cost, feasibility, and schedule
Must provide three relevant projects managed by the proposed project manager within the last five years
Must provide three references from clients for whom the firm performed similar work within the last five years
Must disclose any potential conflict of interest regarding private development within the City of Mercer Island

BUDGET

Estimate

$750,000 – $1,250,000

TIMELINE

Site Visit: October 28th, 2026

Questions Submission Deadline: October 29th, 2026

City Response to Questions Deadline: October 30th, 2026

SOQ Submittal Deadline: November 3rd, 2026

Consultant Selection Date: November 6th, 2026

Phase 1 Bid-Ready Plans: Q2 2027

Phase 2 Bid-Ready Plans: Q3 2027

Construction Completion: Q2 2028

QUESTION DEADLINE

October 29, 2026

CONTACTS

Primary procurement contact — name, title, email, and phone

Additional decision-makers and their departments

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Issuing Agency

City of Mercer Island

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DESCRIPTION

The City of Mercer Island is soliciting Statements of Qualifications from qualified professional firms to design upgrades to the water system. The project involves replacing approximately 5,000 linear feet of aging asbestos cement water mains with ductile iron water mains at locations including SE 40th Street, 97th Avenue SE, and the 3700 and 3800 blocks of East Mercer Way. The scope includes project management, data collection, geotechnical investigation, CAD standard detail updates, and design for two phases. Phase 1 focuses on SE 40th Street from Greenbrier Lane to 97th Avenue SE, and Phase 2 covers the remaining project areas. The City aims to complete Phase 1 bid-ready plans by Q2 2027 and Phase 2 by Q3 2027, with construction for both phases anticipated by Q2 2028.

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Frequently asked questions

When is the submission deadline?: Submissions are due November 3, 2026. Questions must be submitted by October 29, 2026.
What is the budget for this RFP?: Settle estimates the budget at $750,000 – $1,250,000. The issuer has not published an official figure.
Who issued this RFP?: It was issued by City of Mercer Island. The work is located in Mercer Island, Washington, United States.

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