Stillwater Ionwave #40-2025 Addendum 1

Stillwater Water Treatment Plant solids contact unit rehabilitation

Stillwater Utilities Authority is seeking contractors to rehabilitate solids contact units at its Stillwater water treatment plant. - Buyer: Stillwater Utilities Authority (SUA), City of Stillwater, Oklahoma; Engineering Department. - Scope: Rehabilitate the solids contact units (SCUs), including controls and partial equipment replacement, one gear-drive replacement, and repairs to the Middle and South SCU basins. Maintain plant operations and coordinate outages. - Concrete work: 1,650 linear feet of crack repair and 10 square feet of surface repair at 6-inch depth. - Equipment and OEM: WesTech provided a reference proposal for a #160 single-strand, 50-foot roller chain and a single #160 sprocket, with field installation/removal service. The quoted set is for one SCU; the project scope calls for chain and sprocket replacement on both the Middle and South SCUs. No other OEM is named. - Key requirements: U.S.-made materials under American Iron and Steel and Build America, Buy America requirements; Davis-Bacon prevailing wages; continuous plant operation; and relevant contractor and instrumentation-and-controls subcontractor qualifications. - Performance: Substantial completion within 455 calendar days. Final completion is due within 485 days after the Notice to Proceed or 30 days after substantial completion, whichever comes first; a one-year maintenance bond period applies.

Description

The solicitation seeks controls and partial equipment replacement for the Solids Contact Units (SCUs) at the Stillwater Water Treatment Plant, along with concrete repairs for the Middle and South SCUs. Addendum 1 specifies furnishing and installing new chains and sprockets for both units and updates related specifications and drawings. Bids are submitted electronically through IonWave, and attendance at the pre-bid conference is mandatory. The work includes federal funding compliance requirements, including Davis-Bacon, American Iron and Steel, and Build America, Buy America provisions.

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