King County Dye-dilution Testing Services Request for Proposals 2026
King County, King County, WA·County
- Primary Contact
- Stephanie Wong · (206) 263-9400
- Scope Location
- King, WA
- Submission Address
- 500 4th Ave, Seattle, WA, 98104
SUMMARY
King County is soliciting proposals for dye-dilution testing services for sewer flow meters and other related applications. The scope of work includes conducting specialized testing to calibrate or verify flow measurements within the county's sewer infrastructure. Proposals must be submitted to 500 4th Ave, Seattle, WA, 98104. The submission deadline is September 11, 2026, at 2:00 PM. Interested parties can contact Stephanie Wong at 206-263-9400 for further information. Contract plans are available from the owner as indicated in the attached files.
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Work in government? Get Civic IQ free →Frequently asked questions
Common questions about this solicitation, answered from the record.
How do I respond to this RFP from King County?
Review the full solicitation document for submission requirements, evaluation criteria, and deadlines. The submission deadline is September 11, 2026. Submissions should be delivered to: 500 4th Ave, Seattle, WA, 98104. For questions, contact Stephanie Wong.
Where can I find more RFPs from King County?
All active and historical solicitations from King County are tracked and searchable. As a county agency, King County regularly publishes solicitations. Visit the agency profile to see current open bids, past contracts, vendor relationships, and decision-maker contacts.
Is this solicitation still open for submissions?
Based on the posted deadline of September 11, 2026, this solicitation appears to still be accepting submissions. Deadlines may change through amendments or addenda, so always verify the current status directly with the issuing agency before preparing your response.
What documents are required to bid on this RFP?
Requirements vary by solicitation, but common documents include a technical proposal, cost/price proposal, proof of insurance, relevant certifications, past performance references, and any forms specified in the solicitation. Review the full document from King County for the complete list.
Can small businesses or minority-owned firms bid on this RFP?
Most government agencies, including King County in WA, encourage participation from small businesses, minority-owned, women-owned, and disadvantaged business enterprises (MBE/WBE/DBE). Check the full solicitation for any small business participation goals.
What happens after the RFP submission deadline?
After the deadline, the issuing agency reviews all submissions against the stated evaluation criteria. This typically includes a compliance check, technical evaluation, cost analysis, and may involve oral presentations with shortlisted vendors.
Can I ask questions about this solicitation before submitting?
Yes, most solicitations allow vendors to submit questions during a designated period. The primary contact is Stephanie Wong at (206) 263-9400. Questions and answers are typically shared with all prospective bidders.
What is the scope of this project?
This solicitation defines a specific project scope. The scope covers the following locations: King, WA. Review the full solicitation for detailed scope requirements.
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