Edmond Ionwave #B27-010 Two Transformers Addendum 2

Two substation power transformers with installation and commissioning services

The City of Edmond Public Works Authority is seeking two complete substation power transformers with installation and commissioning support. - Buyer: City of Edmond Public Works Authority, City of Edmond, Oklahoma. - Primary equipment: Two outdoor, three-phase, mineral-oil-filled transformers, one each of Transformer A and Transformer B. Each is specified at 138 kV to 7.557/13.09 kV, 60 Hz, with ONAN/ONAF/ONAF cooling and 15/20/25/28 MVA ratings; impedance must be 9.50%–10.0%. No transformer model or part number is specified. - Transformer-specific requirements: Transformer A has a domestic-manufacture preference, but domestic manufacture is not required. Transformer B must meet Build America, Buy America (BABA) and HUD federal funding requirements. Korean manufacturing is permitted; refurbished units are not accepted. One-lot pricing must cover both units. - Named OEMs and equipment: SPX nitrogen preservation and LTC filtration/dehydration systems; Reinhausen RMV-II load tap changer; Beckwith 2001-D controller; SEL 2414 transformer monitor; and Ohio Brass station-class metal-oxide lightning arresters. Proposed equivalent components require City approval. - Included services: Deliver, unload, assemble, install, adjust, inspect, test, and support commissioning of both transformers; provide operating and maintenance instruction and inspection reports. A five-year warranty begins upon arrival. - Delivery and term: Delivery is requested approximately 56 weeks after approval of drawings. The contract is expected to conclude after delivery, with up to four annual renewal options; additional units may be ordered as needed.

Description

The City of Edmond Public Works Authority is soliciting bids for two power transformers for electrical substations, with the same specifications for both. Domestic manufacture is preferred but not required for Transformer A; Transformer B must comply with the Buy America, Build America Act and HUD federal funding requirements. Each transformer is rated 15/20/25 MVA and designed for 25 MVA, with impedance between 9.50% and 10.0%; one-lot pricing must cover both units. The bid deadline is December 1, 2026, and questions are due November 24, 2026; requested delivery is 56 weeks after approval drawings.

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