Heavy Civil GC/CM Services for MDCSO Chelan Wet Weather Storage Project

Agency:	King County
State:	Washington
Type of Government:	State & Local
NAICS Category:	236220 - Commercial and Institutional Building Construction 237310 - Highway, Street, and Bridge Construction 237990 - Other Heavy and Civil Engineering Construction 541330 - Engineering Services 541990 - All Other Professional, Scientific, and Technical Services
Posted Date:	Apr 10, 2026
Due Date:	Apr 20, 2026
Solicitation No:	KC001590
Original Source:	Please Login to View Page
Contact information:	Please Login to View Page
Bid Documents:	Please Login to View Page

Abstract: Alternative Procurements KC001590,1

Title

Solicitation Type

Alternative Procurements

Status

Amended

Buyer

Leeann Snyder

lsnyder@kingcounty.gov

Synopsis

King County (County) requests proposals from firms interested in providing Heavy Civil GC/CM Services for Mouth of Duwamish Combined Sewer Overflow (MDCSO) Chelan Wet Weather Storage Project. This is a project specific GC/CM. The Contractor may be responsible for multiple early work packages over the life of the GC/CM contract.

Addendum Description

Addendum 1 has been issued.
Proposers must acknowledge all addenda before submitting a proposal. If a Proposer has already submitted a proposal, they must log into the E-Procurement Supplier Portal, acknowledge the addendum, and resubmit.

Attachments

KC001590-addendum-1.pdf (1.12 MB)

KC001590-rfp-documents.zip (7.15 MB)


Open Date	4/7/26 04:41:18 PM
Close Date	4/20/26 01:30:59 PM
Posting Date	4/7/26

Additional Information


KC Solicitation NAICS Code(s)	237990;237110;541330
Small Business Requirements Apply?	Yes


Department	NATURAL RESOURCES AND PARKS
Division	WASTEWATER TREATMENT

O K

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Heavy Civil GC/CM Services for MDCSO Chelan Wet Weather Storage Project

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