PUBLIC NOTICE OF INVITATION FOR BIDS
FOR
Quail Creek Water Treatment Plant 90 mgd Expansion and Ozone Addition – Phase 3
The Washington County Water Conservancy District (WCWCD) is issuing an Invitation for Bids for Quail Creek Water Treatment Plant (QCWTP) 90 mgd Expansion and Ozone Addition – Phase 3 (Project). A copy of the Invitation for Bids is available at: www.wcwcd.gov/procurement/.
Project details: This project is a 35-mgd expansion of the existing facility for a total net plant capacity of 90 mgd with a new 90-mgd ozone facility.
Project location: 270 N 5300 W, Hurricane, UT (approximately 10 miles northeast of St. George, Utah)
Scope of work: Modifications to the existing Flow Control Building for increased plant flows, addition of a new Ozone Facility with three ozone contactors, an ozone generation and feed system, a hydrogen peroxide storage and feed system, an onsite liquid oxygen (LOX) storage, and associated yard piping. The Project also includes addition of a new Dissolved Air Flotation over Filters (DAFF) Facility including a new pumped flash mix system, seven DAFF basins, DAF equipment, and associated yard piping. A structural enclosure over the DAFF basins is included as part of the Project base bid with an optional structural enclosure over the new flocculation area included as Bid Alternate F.
The Project also includes addition of a new ultraviolet (UV) disinfection system consisting of three medium pressure UV reactors and associated new valves, piping, and analyzers as required in the existing UV building (Bid Alternate D). Work also includes modifications to the existing Bulk Chemical and Chemical Feed buildings for modifications to the existing onsite sodium hypochlorite generation system (Base Bid Item A), cationic polymer storage and feed improvements (Base Bid Item B), demolition of the existing powdered activated carbon (PAC) supersack feed system and potassium permanganate storage and feed system (Base Bid Item C), an expansion of the Bulk Chemical Building for a new onsite sodium hypochlorite generation system (Bid Alternate E), and a new anionic polymer storage and feed system in the Chemical Feed Building (Bid Alternate G). Work also includes a remodel of several areas in the existing Filter/Operations Building and civil site and yard piping improvements.
Mandatory pre-bid conference: Held at the Quail Creek Water Treatment Plant located at 270 N 5300 W, Hurricane, Utah, on Thursday, April 16, 2026, from 10:00 AM until Noon. Any bidder not attending the pre-bid conference will be considered non-responsive.
Bids due: To be responsive to this Invitation for Bids, interested bidders must submit their bids no later than 1:00 PM Mountain Time on Thursday, May 21, 2026. Late submissions, including those delayed by technical issues, will not be accepted. Bidders are solely responsible for ensuring their bids are submitted on time.
Bids will be opened and read the following day, Friday, May 22, 2026, at 10:00 AM to allow time for WCWCD to evaluate bid alternates.
Additional information: The District will manage this solicitation through the Kahua Online Bid Room application. All bids must be submitted via Kahua. Kahua is a secure web-based application where bidders receive bid invitations and submit sealed bid proposals. Please see the Invitation for Bids for instructions on accessing Kahua. Questions regarding downloading the Invitation for Bid Documents may be addressed to Dinah Neumann at dinah@wcwcd.gov or (435) 673-3617.
Bid Documents will be available starting Thursday, April 2, 2026. Questions regarding the Bid Documents may be addressed to the Engineer, Jeremy Williams, at jswilliams@hazenandsawyer.com or (801) 885-2060. Questions before the mandatory pre-bid conference shall be sent to the Engineer via email; questions after the mandatory pre-bid conference shall be submitted through Kahua. Only those attending the mandatory pre-bid conference will be given access to Kahua, and only questions asked through Kahua will be answered.
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