Lincoln Electric System Procureware #149-26

LES solicitation for three 115 kV motor-operated vertical break switches and support-structure materials

Lincoln Electric System is seeking bids for three motor-operated 115 kV vertical break switches and related support-structure materials for substation use. - Government buyer: Lincoln Electric System (LES), Procurement Department, Lincoln, Nebraska. - OEMs and vendors: No switch manufacturer or reseller is named. Bidders must identify the proposed manufacturer and country of manufacture. LES is the procuring organization, not the OEM. - Switches requested: Three 115 kV switches with motor operators, consisting of two for S090 with a 13-foot bus height and one for S085 with a 15-foot bus height. Both configurations must comply with LES specification S-26-24 and drawing 016105. - Key switch requirements: 3,000-amp, outdoor, three-pole, single-throw, group-operated, braidless vertical break switches, including motor operators, insulators, operating mechanisms, bases, mounting hardware, arc-horn interrupting devices, and grounding braids. Required ratings include 550 kV BIL, 100,000 A momentary, and 63 kA RMS short-time withstand for three seconds; the switches must also meet the specified environmental and ice-loading requirements. - Motor operator requirements: 125 V DC nominal supply, minimum 20,000 inch-pounds torque at minimum voltage, 4–6 second operating time, manual crank, local controls, interlock, operation counter, auxiliary contacts, and cabinet heater. - Support structure and hardware: The drawing lists fabricated structural steel members and hardware, including W8x31 and C6x10.5 sections, plates, washers, nuts, and bolts. Parts are to be galvanized after fabrication; the listed structure weight is 1,668 lb. - Manufacturer qualifications and bid information: Manufacturers must demonstrate at least three years of comparable outdoor substation service and have supplied at least 100 identical units in the United States, subject to the specification’s provisions for newly developed equipment. Bids should include technical descriptions and drawings, manuals, warranty information, delivery information, and any exceptions. - Delivery and evaluation: Delivery is FOB Lincoln, with transportation charges paid by the vendor. LES evaluates total bid price, stated completion timing, and exceptions. No contract performance term is specified. - Notable procurement detail: The proposal sheet identifies work orders 5040697 and 5040685. The requested equipment must be suitable for mounting on LES structures.

Description

Lincoln Electric System is requesting bids to furnish and deliver FOB Lincoln, Nebraska, 115kV vertical break switches in accordance with its specifications. The bid proposal sheet lists three switches: two with motor operators for S090 and one with a motor operator for S085. The solicitation includes technical specifications and drawings, and the successful bidder must return a completed Equal Employment Opportunity Compliance Request Form. Responses are due November 17, 2026, at 2:00 PM.

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