69 x 34.5 kV - 12.47 kV 12.5 MVA Power Transformer

This contract calls for the design and manufacture of one (1) outdoor, mineral oil immersed, sealed, single-tank, two-winding, three-phase, 60 Hertz (Hz), 10/12.5 MVA ONAN/ONAF 65 C rise load tap changing (LTC), (Class 1) power transformer. The transformer must feature a dual rated high winding with a nominal high voltage of either 69 kV or 34.5 kV Delta, and a low voltage of 12,470 grounded wye/7,200 volts. The scope of work also includes the provision of spare parts and other accessories, with delivery F.O.B. to the DISTRICT'S Aurora Northwest Substation located in Aurora, Nebraska. The transformer is to be delivered on its foundation, fully ready for service, in accordance with the Detail Sheet included in ATTACHMENT A, and as specified in these Contract Documents, including the requirement for a performance bond. The work must adhere to all specifications and requirements outlined in the contract documents. The contract is being solicited by the DISTRICT. Further details regarding this project, including technical specifications and additional requirements, can be found under the 'Documents' tab. This opportunity is referenced as Sealed Bid Contract No. 25-016.