South Treatment Plant (STP) Near Term Biogas Modifications

Agency:	King County
State:	Washington
Type of Government:	State & Local
NAICS Category:	221320 - Sewage Treatment Facilities 237110 - Water and Sewer Line and Related Structures Construction
Posted Date:	Sep 15, 2025
Due Date:	Sep 18, 2025
Solicitation No:	KC001475
Original Source:	Please Login to View Page
Contact information:	Please Login to View Page
Bid Documents:	Please Login to View Page

Abstract: Construction Solicitation KC001475,4

Title

Solicitation Type

Construction Solicitation

Status

Active

Buyer

Leeann Snyder

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 4 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-4.pdf (7.28 MB)

KC001475-addendum-2.pdf (5.12 MB)

KC001475-itb-documents.zip (155.16 MB)

KC001475-addendum-1.pdf (176.1 KB)

KC001475-addendum-3.pdf (11.33 MB)


Open Date	9/15/25 04:17:05 PM
Close Date	9/18/25 01:30:59 PM
Posting Date	9/15/25

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

* Disclaimer: This website provides information about bids, requests for proposals (RFPs), or requests for qualifications (RFQs) for convenience only and does not serve as an official public notice. Individuals who wish to respond to or inquire about bids, RFPs, or RFQs should contact the relevant government department directly.

Sign-up for a Free Trial, Government Bid Alerts

With Free Trial, you can:

You will have a full access to bids, website, and receive daily bid report via email and web.

Try One Week FREE Now

Sign-up for a Free Trial, Government Bid Alerts

See Also