SAn Luis Opengov #2027-RFB-00000005

Well Site #3 electrical service, controls, and standby-power upgrade

The City of San Luis, Arizona, is seeking a contractor to upgrade the electrical and standby-power systems at Well Site #3 in Yuma County. - Government buyer: City of San Luis, Arizona — Engineering. - Scope: Replace and upgrade the site’s electrical service, well-pump controls, motor-control equipment, lighting, wiring, grounding, and related infrastructure. - Equipment requested: One 600A, 480/277V, three-phase service entrance assembly; one 275 kW standby generator; one automatic transfer switch; two 50 HP well-pump VFD/motor-control sets; one motor control center (MCC); one HVAC unit; and one 15 kVA step-down transformer with a 70A main-circuit-breaker 120/240V panelboard. No new-equipment makes, models, or part numbers are specified. - Named companies: Kohler is identified as the manufacturer of the existing 150 kVA genset to be removed and salvaged to the City. APS is named in connection with coordinating the 400A-to-600A service upgrade. Neither is specified as the supplier of the new equipment. - Installation and site work: Includes removal and installation of service equipment, generator pad construction, generator and ATS feeders and controls, VFD and MCC installation, booster-pump control wiring, weatherproof junction boxes and conduit, shade-structure power and lighting, area-light improvements, underground raceways and conductors, grounding and bonding, HVAC and transformer/panelboard installation, and testing and startup. Most scheduled work is one lump sum; the VFD/motor-control equipment and installation are two each. The bid schedule includes a 5% contingency. - Notable requirements: Keep the well site operational except for temporary shutdowns approved and coordinated by the City. The contractor must hold an Arizona Class A contractor license. Work is to begin after a Notice to Proceed; contract documents provide for completion within 365 calendar days, with funding and work anticipated across two fiscal years. - Estimated project budget: $300,000.

Description

The City of San Luis is seeking bids to upgrade and replace electrical equipment and systems at Well Site #3 to improve facility reliability and operation. Work includes replacing electrical service equipment; upgrading well-pump motor controls and variable frequency drives; modifying motor-control and booster-pump controls; and installing site lighting and associated electrical infrastructure. The contractor must provide labor, materials, equipment, testing, startup, and incidentals for a complete operational system in accordance with the plans and specifications. Addendum No. 1 establishes completion of the work no later than December 30, 2027.

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