N-1Redacted Work Order
9 passages
Why do this project? The Dickie Brook powerhouse was flooded with brackish water/seawater as a result of a storm surge in early January, 2010. Unit # 1 was running at the time of the stormlflood event, and the partially submerged flywheel...
AI summary The Dickie Brook powerhouse's Unit #1 was damaged by saltwater from a 2010 storm surge, rendering it inoperable. Post-flood inspections confirmed damage to rotor, stator, and bearings. Repairs to penstock and draft tube were unrelated to the flood event.
Line 20 - (1) Turbine shaft Weir technical experts believe, based on observations, measurements, testing and examination that the following repairs are required. Remove shaft from the runner Remove stainless steel sleeve by machining Make...
AI summary Weir technical experts recommend repairs to the turbine shaft, including removing the shaft, machining stainless steel sleeves, metallizing diameters, and machining specific measurements for proper clearance and fit. Notes clarify constraints on reducing diameters due to installation requirements.
Line 30 - (1 )Turbine Runner Weir Canada Inc, technical experts are recommending, based on our observations, measurements, testing and examination that the identified and listed repairs are required. Pre-machine runner band and crown Weld...
AI summary Weir Canada Inc's technical experts recommend specific repairs for a turbine runner, including weld build-up, stress relieving, surface treatments, and balancing to ensure proper function and prevent cavitation. The repairs aim to address structural and operational issues.
Line 40 - (1) Bottom ring Weir Canada Inc, technical experts are recommending, based on our observations, measurements, testing and examination that the identified and listed repairs are required. Remove wicket gate bushings Machine (minim...
AI summary Weir Canada Inc's technical experts recommend specific repairs for the bottom ring, including machining, replacing bushings and seals, and painting. NS Power is to supply materials, with no objection to using Grcott material.
Line 60 - (16) Wicket gates. Option # 1 Weir Canada Inc, technical experts are recommending, based on our observations, measurements, testing and examination that the identified and listed repairs are required. Measure gate profile (blade)...
AI summary Weir Canada Inc. recommends specific repairs for wicket gates, including machining, welding, surface repairs, and ceramic coating. The proposed option involves weld overlay and restoring original dimensions. Technical details and images are provided, though pricing is noted as incomplete.
Line 70 - (1) Gate operating ring Weir Canada Inc, technical experts are recommending, based on our observations, measurements, testing and examination that the identified and listed repairs are required. Remove bronze bushings Minimum mac...
AI summary Weir Canada Inc's technical experts recommend specific repairs for the gate operating ring, including removing bronze bushings, machining, installing new self-lubricating bushings, painting, and final inspection. Surface linear indications have been addressed.
Line 110 - (2) Pedestal bearings Weir Canada Inc, technical experts are recommending, based on our observations, measurements, testing and examination that the identified and listed repairs are required.
AI summary Weir Canada Inc.'s technical experts recommend specific repairs for pedestal bearings based on observations, measurements, testing, and examination. The repairs are deemed necessary according to their analysis.
Bearing shells Prepare sketch of the existing parts Melt babbitt Pre-heat 4 halves to 800 deg. F during 8 hours to burn the remaining oil. Sand blast Magnetic particle inspection Prepare (fabricate) a jig for pouring of babbitt Re-babbitt...
AI summary Document outlines technical procedures for bearing shell repair, including steps like melting babbitt, sandblasting, magnetic inspection, and machining. Weir Power & Industrial is mentioned as a party involved in the process.
Line 120 - (1 lot) Misc. components Weir Canada Inc, technical experts are recommending, based on our observations, measurements, testing and examination that the identified and listed repairs are required.
AI summary Weir Canada Inc.'s technical experts recommend repairs based on observations, measurements, testing, and examination of identified components. The assessment emphasizes the necessity of listed repairs for Line 120's miscellaneous components.