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
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Description

Abstract: Construction Solicitation KC001475,4
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 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
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