Heavy Civil GCCM Services for Influent Conveyance/Effluent Conveyance & Outfall

Location:	Washington
Posted:	Jan 6, 2026
Due:	Jan 27, 2026
Agency:	King County
Type of Government:	State & Local
Category:	C - Architect and Engineering Services - Construction
Solicitation No:	KC001493
Publication URL:	To access bid details, please log in.

Abstract: Alternative Procurements KC001493,3

Title

Solicitation Type

Alternative Procurements

Status

Active

Buyer

Melissa Jordan

mejordan@kingcounty.gov

Synopsis

Provide preconstruction services and construct the Influent Conveyance, Effluent Conveyance, and Outfall to route combined sewer and stormwater to and from the future Wet Weather Treatment Station.

Addendum Description

Addendum 3 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

KC001493-rfp-addendum-3.pdf (2.03 MB)

KC001493-rfp-addendum-1.pdf (198.11 KB)

KC001493-rfp-documents.zip (6.24 MB)

KC001493-rfp-addendum-2.pdf (214.37 KB)


Open Date	1/6/26 09:19:11 AM
Close Date	1/27/26 01:30:59 PM
Posting Date	1/6/26

Additional Information


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


Department	NATURAL RESOURCES AND PARKS
Division	WASTEWATER TREATMENT

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Heavy Civil GCCM Services for Influent Conveyance/Effluent Conveyance & Outfall

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