West Duwamish Wet Weather Storage

Agency: King County
State: Washington
Type of Government: State & Local
Posted Date: Sep 11, 2025
Due Date: Sep 30, 2025
Solicitation No: KC001462
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Contact information: Please Login to View Page
Bid Documents: Please Login to View Page

Description
Abstract: Construction Solicitation KC001462,3
Title West Duwamish Wet Weather Storage
Solicitation Type Construction Solicitation
Status Active
Buyer Julie Thiele
Email juthiele@kingcounty.gov
Synopsis Construct West Duwamish Combined Sewer Overflow (CSO) Control Facility and West Duwamish Interceptor Diversion Structure, modify existing Terminal 115 Overflow Structure and make improvements to existing mechanical, electrical, and instrumentation and control (I&C) systems to existing West Michigan Street Regulator Station.
Addendum Description Addendum 3 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
KC001462-addendum-3.zip (2.56 MB)
REF - 23. Volume 7 of 7 Contract Drawings (Unprotected PDF).pdf (99.63 MB)
REF - 22. Volume 6 of 7 Contract Drawings (Unprotected PDF).pdf (108.28 MB)
REF DOCS 1-21.zip (87.2 MB)
KC001462-bidding-schedule-ad-1.xlsx (24.24 KB)
KC001462-addendum-1.pdf (1.04 MB)
KC001462-itb-vol-1&2.zip (47.93 MB)
KC001462-bidding-schedule.xlsx (24.38 KB)
KC001462-itb-vol-3-6.zip (144.58 MB)
KC001462-itb-vol-7.pdf (99.42 MB)
KC001462-addendum-2.pdf (3.87 MB)
Open Date 9/10/25 04:32:30 PM
Close Date 9/30/25 01:30:59 PM
Posting Date 9/10/25
Additional Information
KC Solicitation NAICS Code(s) 237110;238110;238120;237990
Small Business Requirements Apply? Yes
Department NATURAL RESOURCES AND PARKS
Division WASTEWATER TREATMENT
O K
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