Project Information

Bid Title

South Treatment Plant (STP) Near Term Biogas Modifications

Issuing Agency

King County

Location

Washington

Published Date

Sep 11, 2025

Closing Date

Sep 18, 2025

Government Level

State & Local

Status

Closed

Ref. #

KC001475

Original Source

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Bid Documents

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Project Description

	Abstract: Construction Solicitation KC001475,3
	Title South Treatment Plant (STP) Near Term Biogas Modifications Solicitation Type Construction Solicitation Status Active Buyer Leeann Snyder Email lsnyder@kingcounty.gov Synopsis The purpose of this Contract is for installation, and replacement and commissioning of key components of the Biogas system at the South Treatment Plant (STP) in Renton, WA. The work of the contract includes but is not limited to replacement of the gas dehydration system, waste gas burners, scrubbing water pump assemblies, key control valves and instrumentation on the biogas upgrading system; installation of a flash tank and thermal oxidizer, as well as related structural, architectural, civil, electrical, instrumentation and programming modifications to support the entire project. Addendum Description Addendum 3 has been issued. Suppliers must acknowledge all addenda before submitting a response. If a supplier has already submitted a response, they MUST log into the E-Procurement Supplier Portal, acknowledge the addendum, and resubmit. Attachments KC001475-addendum-3.pdf (11.33 MB) KC001475-addendum-1.pdf (176.1 KB) KC001475-itb-documents.zip (155.16 MB) KC001475-addendum-2.pdf (5.12 MB) Open Date 9/11/25 12:26:03 PM Close Date 9/18/25 01:30:59 PM Posting Date 9/11/25 Additional Information KC Solicitation NAICS Code(s) 237110;238210;238220 Small Business Requirements Apply? Yes Department NATURAL RESOURCES AND PARKS Division WASTEWATER TREATMENT
	O K

Commodity Codes

• NAICS 221320Sewage Treatment Facilities
• NAICS 237110Water and Sewer Line and Related Structures Construction

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