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KC000879, GC/CM Services at West Point Treatment Plant (WPTP) will be received for KC000879, GC/CM Services at West Point Treatment Plant (WPTP); by the King County Procurement and Payables Section, via the E-Procurement system, until 12:00PM on July 6, 2023. Late proposals will not be accepted. 

The County intends to procure a General Contractor/Construction Manager (GC/CM) team to provide GC/CM services for this programmatic Project. The Project generally includes rehabilitation and replacement of equipment at the WPTP, including improvement of system reliability, upgrade of critical electrical and mechanical equipment and systems and life safety enhancements. 

Total Estimated Price for Phase 1 (preconstruction): $6,300,000
Total Estimated Price for Phase 2 (construction): $159,000,000 (not including tax)

Pre-Proposal Conference: Please see Proposal Invitation Section of the Request for Proposals for details.

Voluntary Minority Business Enterprise (MBE) – 10% of the total contract price.
Voluntary Women’s Business Enterprise (WBE) – 6% of the total contract price. 
Good faith efforts toward meeting the voluntary MBE/WBE goals are required.

Community Workforce Agreement (CWA): A CWA applies to this contract.
Priority Hire Apprentice Utilization Goal: 30% of the Contract Price.
Priority Hire Journey Level Goal: 20% of the Contract Price.

This project is anticipated to be funded in part by the United States Environmental Protection Agency through Water Infrastructure Financing and Innovation Act (WIFIA), and subject to certain federally mandated contract provisions.

This project is fully or partially funded through the Washington State Drinking Water State Revolving Fund Program with federal funds from the U.S. Environmental Protection Agency. General contractors and all subcontractors must meet DWSRF requirements and provisions.

King County is an equal opportunity and affirmative action employer. Disadvantaged Business Enterprises (Small, Minority- and Women-Owned Businesses) are encouraged to submit bids. All work performed on the project will be subject to the higher of the prevailing state or federal wage rates.  

King County, in accordance with the provisions of Title VI of the Civil Rights Act of 1964 (78 Stat. 252, 42 U.S.C. §§ 2000d to 2000d-4) and the Regulations, hereby notifies all Proposers that it will affirmatively ensure that any contract entered into pursuant to this advertisement, disadvantaged business enterprises will be afforded full and fair opportunity to submit proposals in response to this invitation and will not be discriminated against on the grounds of race, color, or national origin in consideration for an award.

Prospective proposers can view more details at: 

Complete Solicitation Documents, including project details, specifications, and contact information are available on our web page at:

Closing Date: 
Thursday, July 6, 2023
King County Procurement & Payables
Point of Contact: