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Package # VB-S-C-2020-33 QBE Nomination Closing Date
Title Trunnion Replacemnt Tender Issue Date TBA
    Bid Closing Date TBA

For more information contact: Dwayne Chiasson
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Contract Scope

    1. Contractor will provide the following services on the Voisey’s Bay Concentrator Outokumpu Ball Mill Model 03-13-BM:


  1. In the case of an emergency trunnion change:

      1. Immediately make available technical supervision remotely.

      2. Supervise Vale Fixed Plant Maintenance (FPM) at the Voisey’s Bay mine site within a period of three (3) days. 

      3. Schedule adequate trade personnel to arrive at site within one (1) week.

      4. Trunnion to be installed to manufacturer alignment specifications.

      5. Assist Vale FPM with developing or refining a job procedure.

      6. Install a third alignment block at Vale FPM’ request.

      7. Install oil thickness sensors at Vale FPM’ request.

      8. Perform lift checks post job that yield a result of at least 0.004” lift at bottom dead center (BDC) of the trunnion-bearing interface.

      9. Document the replacement process and submit a post job report within a period of 3 weeks post completion. Report should contain a detailed procedure complete with visual aids, notable findings and recommendations.