One of two steam turbine generators will be overhauled at the Jamestown Board of Public Utilities. On Monday, the BPU approved contracting with S.T. Cotter Turbine Services of Clearwater, Minn., to perform a maintenance overhaul of steam turbine generator No. 5 in the amount of $1.9 million. According to the resolution approved by the BPU, S.T. Cotter Turbine Services was the lowest of seven bids, which ranged between $1.9 million and $4 million.
S.T. Cotter was the lowest bid, which included parts, rotor balance, diaphragm blade replacement of the double flow curtis rings and repairs to the remaining stages, replacement rotor blades from stage 1 through stage 12 and minor work on stages 13 through 19, replacement of all control valves and seats and various other repairs as identified in the inspection report. The cost for the majority of this work is included in the 2021 electric division budget overhaul reserve fund.
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