Attachment_3_FOP_TGB_TBS_Photos_0001.pdf

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Folsom Powerplant Bearing and Inspection Repairs
Solicitation number
140R2024Q0026
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This solicitation is for bearing and inspection repairs at the Folsom Powerplant. The Department of the Interior Bureau of Reclamation seeks to measure, refurbish, and modify a large vertical hydro generator bearing through sole source methods. The purpose is to repair thrust bearing shoes and turbine guide bearings, including spot facing bolt holes, modifying temperature monitoring ports, and final machining of guide bearings. Accompanying photographs depict the existing condition of thrust bearing shoes, turbine guide bearings, and repair requirements.

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Photos Folsom Powerplant Thrust Bearing Shoes and Turbine Guide Bearing Repair

Figure 1, Thrust bearing shoes as assembled on the Folsom Units.

Figure 2, Unit 2 TGB, arrow showing notch on oil dam that signifies upstream.

Figure 3, Final placement of clamping bolt and tapered alignment pin on the other three TGBs at Folsom Powerplant.

Figure 4, Arrows showing two of the four jacking bolt holes that require spot facing.

Figure 5, Arrow showing existing capillary tube temperature bulb port.

Figure 6, New threaded RTD port shown (smaller drill bit) adjacent to existing capillary tube temperature bulb port. Witness holes shown on same surface.

Figure 7, View of final machined TGB.

File details come from the government source that posted it. Updated .