Bid guide
How to bid on Cedar Hills landfill micro-electrolysis construction for King County
What King County is buying
King County is seeking a contractor for a pilot-scale micro-electrolysis treatment system at Cedar Hills Regional Landfill in Washington. The system is intended to pretreat industrial wastewater from the landfill’s methane processing plant and target arsenic before the wastewater enters the leachate lagoon pretreatment system.
The work includes permits, foundations, equipment, piping, valves, instrumentation, utility hookups, initial chemicals and media, leak and hydrostatic testing, commissioning, inspections, and final system testing. The project may suit construction firms able to coordinate installation and testing of treatment equipment and related site work.
Key date and deadline
The solicitation was published October 5, 2026. Responses are due October 22, 2026, at 4:30 PM ET.
Submit through the King County Oracle procurement portal before the close time. Allow time to complete registration and upload or submit your response; the provided information does not specify what happens to late submissions.
Who this opportunity suits
This construction solicitation may fit a contractor with experience installing treatment systems and managing foundations, process piping, instrumentation, and utility connections. Firms should assess whether they can cover the full range of work, including obtaining necessary permits and completing testing and commissioning.
The treatment technology was developed by the University of Washington and designed at its current scale by WSP USA. Review the solicitation documents for the detailed requirements and decide whether your firm can meet them directly or with qualified partners.
How to access the documents and respond
Open the negotiation’s public abstract on King County’s Oracle procurement portal using the “View original source” option. Viewing is public and does not require sign-in; give the page time to load. Review the summary, lines, and listed documents. If the portal shows the abstracts list, search for negotiation KC001738.
To download documents or submit a response, register a free supplier account on the Oracle portal and submit before the deadline. For questions, the listed point of contact is Annette Hansford at [email protected].
Prepare a clear, complete response
Read the full solicitation and every listed document before deciding how to bid. Map your response to the stated work, including permitting, slab and stairway foundations, equipment installation, piping and instrumentation, utility hookups, initial chemicals and media, testing, inspections, and commissioning.
Explain how your team will coordinate the installation and verify that the system is ready for testing and commissioning. Check that your response addresses every requested item, follows the portal’s submission instructions, and is submitted well before the deadline.
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.