Dallas Salmon Wastewater Treatment Plant - Miscellaneous Improvements

The project consists of the following scope of work: Dewatering and pressure wash cleaning of all Aeration Basins in preparation of FRP launder replacement. Replacement of existing FRP Launders at the inlet and outlet sides of Aeration Basins with new T-304 Stainless Steel launders. Installation of launder edge fall protection system. The design flows for each of the Aeration Basins are 4.5 MGD on average and 12 MGD at 2-hour peak flow. Dewatering and pressure wash cleaning of Clarifier Distribution Splitter Box in preparation for Stop Gate replacement. Replacement of existing Stop Gates located at the Clarifier Distribution Splitter Box with new 304 Stainless Steel Slide Gates. Addition of new cantilevered grating platform and handrail to Clarifier Distribution Box for access to both sides of the gates. Modification to structural grating and structural grating supports on top of Clarifier Distribution Splitter Box to clear new self-contained Slide Gates. Replacement of existing Belt Press Wash Water Booster Pump System, which includes new pumps, motors, valves, DI piping and PVC piping. Installation of new items on a pre-fabricated carbon steel fusion bonded epoxy coating suction pump skid and new engineered pipe supports. Replacement of Switchboard DS-2 within the ATS and Bus Duct modifications and other related electrical improvements.

Owner: City of League City · Advertised by: Ardurra Group, Inc. · Project number: WW2103C · Location: Galveston County, TX

Engineer's estimate: $5,700,000.

Bids are due Wednesday, September 23, 2026 at 2:00 PM CDT, 300 W Walker St, League City, TX 77573.

Bids will be publicly opened and read aloud at 400 W Walker St, League City, TX 77573 starting promptly at 2:10 PM.

A pre-bid meeting is set for Tuesday, September 8, 2026 at 2:00 PM CDT, 400 W Walker St, League City, TX 77573.

Pre-bid Conference will be followed by a site walkthrough at 703 N. Wisconsin Ave., League City, TX 77573.

Questions close Monday, September 14, 2026 at 5:00 PM CDT.

Bidders to review both Construction Drawings and Specifications thoroughly before asking questions and issuing their Bids.

4 documents (plans, specifications and addenda) are posted on CIVCAST at https://app.civcast.com/bid-opportunities/projects/6a8848300023e267f6771ced, where bidders also register as plan holders.