115 kV Center-Break Vee Substation Disconnect Switches

Public Utility District No. 1 of Lewis County has issued an Invitation for Bid for the procurement of six group-operated, three-phase, center-break vee substation disconnect switches. These switches must be rated at 115 kV, 60 Hz, and 1200 A, featuring arcing horns and NEMA 4-hole connector pads. Each unit must be delivered completely assembled and adjusted, including all necessary bolts, pipe, and operating components. The equipment is specified with a maximum voltage of 123 kV, a BIL of 550 kV, and a fault withstand of 61 kA. All goods must be delivered F.O.B. destination to a facility in Chehalis, Washington, no later than September 1, 2027. The solicitation requires physical, sealed bids to be submitted by December 3, 2026. Award selection is based on a pass/fail evaluation of responsiveness and responsibility, with the contract awarded to the bidder offering the lowest total price. Bidders must be licensed to do business in Washington and may be required to pay prevailing wages for custom fabrication. Key contractual requirements include the provision of a bid guarantee for bids of $120,000 or more, a performance bond for progress payments, and mandatory insurance coverage. All shipments must be clearly identified by the Purchase Order number and include detailed packing lists.