How to bid on fuel storage tank improvements for King County, WA

What King County is buying

King County, WA is looking for contractors to perform improvements on fuel storage tanks at its Central and Atlantic bases. This work involves installing new aboveground storage tanks (ASTs) and upgrading existing underground storage tanks (USTs).

Specific tasks include cleaning, inspecting, repairing, and lining existing fuel USTs, along with upgrading their leak detection systems. The project also requires permanently closing non-fuel USTs, installing cathodic protection for steel USTs, and performing related concrete removal, excavation, and repair work.

Key dates and deadlines

This solicitation was published on August 14, 2026. All responses must be submitted by September 09, 2026, at 4:30 PM ET. It is important to submit your proposal before this deadline, as late submissions are typically not accepted.

Who this opportunity suits

This opportunity is suitable for construction firms with experience in facilities, specifically those specializing in fuel storage tank installation, maintenance, and environmental upgrades. Companies with expertise in underground and aboveground storage tank systems, leak detection, cathodic protection, and related civil work (excavation, concrete) will find this relevant.

How to respond

To access the full solicitation documents and respond, you need to use the King County Oracle procurement portal. You can view the public abstract for negotiation KC001691 directly on the portal without signing in. Review the summary, lines, and listed documents there.

To download documents or submit a response, you must first register a free supplier account on the King County Oracle portal. Once registered, you can submit your proposal before the September 09, 2026 deadline.

Tips for a competitive response

When preparing your response, clearly demonstrate your firm's experience with similar fuel storage tank projects, including both AST and UST work. Highlight your capabilities in leak detection system upgrades, cathodic protection installation, and environmental compliance.

Ensure your proposal addresses all aspects of the scope of work, including concrete and excavation tasks. Pay close attention to any specific technical requirements or certifications mentioned in the solicitation documents. Double-check that all required forms and documentation are completed accurately and submitted on time through the King County Oracle portal.