Bid guide
How to bid on Heavy Civil GC/CM Services for STP Treatment and Electrical Improvements (TEI) with King County, WA
What King County is buying
King County, Washington, is looking for a heavy civil general contractor and construction manager (GC/CM) to provide preconstruction and construction services. This work is for the South Treatment Plant (STP) Treatment and Electrical Improvements (TEI) Project. The project aims to upgrade preliminary treatment, secondary treatment, odor control systems, and electrical systems throughout the plant.
This is an opportunity for firms specializing in large-scale civil construction and plant infrastructure upgrades to work with a local government agency on essential public works.
Key dates and deadlines
This solicitation was published on August 19, 2026. The deadline for responses is October 13, 2026, at 4:30 PM Eastern Time. All submissions must be completed by this time.
It is important to submit your response well before the deadline to avoid any last-minute technical issues.
Who this opportunity suits
This opportunity is suitable for heavy civil general contractors and construction managers with experience in wastewater treatment plant upgrades, electrical system modernizations, and odor control systems. Firms with a strong background in large-scale infrastructure projects and public sector work will find this relevant.
The project falls under the construction category, specifically for complex civil engineering and plant improvement services.
How to respond
To access the solicitation documents and respond, you need to use the King County Oracle procurement portal. First, review the public abstract for negotiation number KC001701 on the portal. You can find the summary, lines, and listed documents there.
To download documents or submit a response, you must register a free supplier account on the King County Oracle portal. Ensure your submission is completed before the October 13, 2026, deadline.
Tips for a competitive response
When preparing your response, clearly demonstrate your firm's experience with similar heavy civil construction and plant upgrade projects. Highlight specific examples of successful projects involving preliminary and secondary treatment, odor control, and electrical system improvements.
Pay close attention to all requirements outlined in the solicitation documents. Ensure your proposal addresses each section thoroughly and provides a clear understanding of your proposed approach to both preconstruction and construction services. Emphasize your team's qualifications and capacity to manage a project of this scope and complexity.
See the live bid — deadline, agency details, and how to respond
Dates and requirements can change via addenda; always verify on the bid page and at the original source before responding.
View this bid on BiddingSimpleThis guide was prepared by BiddingSimple from the solicitation’s public posting. It is not official guidance from King County, WA; the original posting controls.

