Mixed liquor channel refurbishment and gate replacement
BITP Mixed Liquor Channel Refurbishment, Solicitation BI2501, issued by State of Washington.
At a glance
LOTT Clean Water Alliance is seeking bids to replace eight weir gates, a drain gate, and related equipment in the mixed liquor channel at their Budd Inlet Treatment Plant in Olympia, Washington. The project includes concrete repair, aeration improvements, and safety access upgrades, with an engineer's estimate of $1.66–$2.12 million (including tax) and a deadline of October 29, 2026.
Key facts
- Issuing agency
- State of Washington
- Solicitation number
- BI2501
- Portal id
- 238144
- Posted
- Oct 5, 2026
- Response deadline
- Oct 29, 2026, 5:00 PM EDT
- Place of performance
- Thurston County, WA
- Official posting
- Documents, addenda and the procurement contact, free with an account.
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Official description
Issued by LOTT Clean Water Alliance. Reference #BI2501. This project consists of replacement of eight existing weir gates within the mixed liquor distribution box, replacement of the mixed liquor channel drain gate, and removal of the primary effluent diversion gate. Additional elements include evaluation and repair of deteriorated concrete surfaces within the mixed liquor channel, extension of channel aeration air within the mixed liquor distribution box, and installation of a walkable cover and handrail system over the primary effluent side of the diversion structure to improve operational access and safety. The engineer's estimate is $1,655,000 - $2,115,000 including sales tax. Submit questions regarding the bidding requirements, contract general conditions, or technical requirements to (on the official posting). Messages submitted on this project portal are not monitored. Bid Proposals, including bid bonds, must be submitted as a PDF document on this project portal. Bid guarantees that are certified or cashier's checks must be received by LOTT in person by the submittal deadline. A Pre-Bid Meeting will be held at LOTT Budd Inlet Treatment Plant at 500 Adams Street NE, Olympia, WA 98501 on October 13, 2026 at 9:00 a.m. A site visit will follow the meeting. Details regarding the meeting and site visit are included in Section 00 21 13 (Instructions to Bidders). Project closes Oct 29, 2026 2:00 PM PDT.
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