Heavy Civil GCCM Services for Black Diamond Trunk Capacity Upgrade

Agency:	King County
State:	Washington
Type of Government:	State & Local
NAICS Category:	237310 - Highway, Street, and Bridge Construction 237990 - Other Heavy and Civil Engineering Construction 541330 - Engineering Services
Posted Date:	Sep 5, 2025
Due Date:	Oct 2, 2025
Solicitation No:	KC001443
Original Source:	Please Login to View Page
Contact information:	Please Login to View Page
Bid Documents:	Please Login to View Page

Abstract: Alternative Procurements KC001443,5

Title

Solicitation Type

Alternative Procurements

Status

Active

Buyer

Melissa Jordan

mejordan@kingcounty.gov

Synopsis

The scope of the GC/CM contract is to increase conveyance capacity and reliability, preventing system overflows, and safeguarding public health and the environment. Preconstruction services include managing project meetings, addressing constructability and risk issues, providing cost estimates and construction plans, exploring cost-saving options, supporting small businesses, and collaborating on logistics, scheduling, and permitting.

Addendum Description

Addendum 5 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

KC001443-rfp-addendum 5.pdf (277.92 KB)

KC001443-rfp-addendum-3.pdf (174.6 KB)

KC001443-rfp-addendum-1.pdf (413.42 KB)

KC001443-rfp-documents.zip (9.96 MB)

KC001443-rfp-addendum 2.pdf (244.21 KB)

KC001443-rfp-addendum-4.pdf (9.75 MB)


Open Date	9/5/25 02:33:40 PM
Close Date	10/2/25 01:30:59 PM
Posting Date	9/5/25

Additional Information


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


Department	NATURAL RESOURCES AND PARKS
Division	WASTEWATER TREATMENT

O K

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Heavy Civil GCCM Services for Black Diamond Trunk Capacity Upgrade

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