Opportunity
Ames Ionwave #2026-099
Ames Substation Transformer (Allis Chalmers DA6T2) Maintenance & Repair Services Solicitation
Posted
April 13, 2026
Respond By
April 30, 2026
Identifier
2026-099
NAICS
811310
This opportunity involves specialized maintenance and repair services for a critical substation transformer in Ames, Iowa: - Government Buyer: - City of Ames Electric Services Department (Finance Office) - OEMs and Vendors: - Allis Chalmers (OEM of DA6T2 transformer) - No specific service vendors named; open to qualified bidders - Products/Services Requested: - Substation transformer maintenance and repair services for DA6T2 Load Tap Changer (LTC) and replacement of three 69kV U-type bushings - 3 x 69kV U Type bushings (provided by City of Ames) - DA6T2 LTC repair (inspection, stationary contact replacement, re-gasketing, pre- and post-testing, oil processing) - Mobilization, labor, equipment, generator, oil storage, and expedited reporting - All work must be performed while the rest of the substation remains energized - Unique or Notable Requirements: - Strict adherence to project schedule (priority to bidders who can complete within specified windows) - One-year guarantee on materials and workmanship after acceptance - Compliance with City of Ames Affirmative Action and insurance requirements - Expedited oil sample analysis before transformer is returned to service - Testing reports due within 14 days of demobilization - Place of Performance: - 2316 Pullman St., Ames, IA (substation site) - Delivery and billing at City Hall and Electric Services facilities in Ames, IA - Transformer Details: - Allis Chalmers DA6T2, 20,000 kVA, 67kV/13.8kV, manufactured in 1971
Description
The City of Ames Electric Services Department is soliciting bids from qualified vendors for maintenance and repair services on substation transformers, specifically for DA6T2 Load Tap Changer (LTC) repair and "U" bushing replacement. The work is scheduled to occur during May-June or September-November 2026, with priority given to bidders who can complete the project within these timeframes. Bidders must submit responses before the deadline, and bids cannot be withdrawn for 60 days after closing. The City reserves the right to reject any or all bids and to make awards in its best interest.