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Recent content by Lance Pearson

  1. Lance Pearson

    When is an MOC required.

    Thank you...That was helpful
  2. Lance Pearson

    When is an MOC required.

    If you add in a set of welded flanges in a run of pipe. The spec allows for flanges and flanges are already in the system, do you need to do an MOC? No change in the P&ID.

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