Why do this project now? Unit 1 has been offline since 2020 due to mechanical and electrical component conditions. This investment has been deferred to reprioritize other higher priority, higher generation, units requiring overhauls that a...
AI summary Unit 1 has been offline since 2020 and requires refurbishment to support the Tusket Main Dam project and ensure operational reliability. NS Power plans to complete the overhaul during an outage to reduce costs, improve flexibility, and avoid future risks. The project is being done concurrently with Unit 1 generator refurbishment for efficiency.
CI 49595 Attachment 1 Page 10 of 28 REDACTED (CONFIDENTIAL INFORMATION REMOVED) Governor Linkage / Quadrant shaft - Governorshaft concrete pedestal on the left side floor of the scroll case looking upstreamwas inspected. There was excessiv...
AI summary The text describes maintenance and repair work on a hydroelectric unit, including issues with the governor linkage, quadrant shaft, and draft tube door. Repairs involved epoxy, anchors, and adjustments to address excessive movement and wear. The draft tube door shows signs of erosion and cracking.
CI 49595 Attachment 1 Page 25 of 28 REDACTED (CONFIDENTIAL INFORMATION REMOVED) months due to elevation, approx. 4 ft below the normal water level. This has tripped the units in Tusket a number of times. A manifold that plunges deeper with...
AI summary The document discusses issues with cooling water flow at the Tusket units, causing frequent trips due to low water levels. A proposed solution is to install a deeper manifold with a screen. The information was provided by the Fundy operations team, and there are pictures showing the pump intake line and supply valves.