The purpose of inspection in a reliability program is to
gather data on the tubes and equipment so that it can be analyzed and a
reasonable assessment made of the equipment’s mechanical integrity for
continued service. Repairs can be made if analyses of the data indicate that
life is shorter than the planned run length. In addition, repairs or
replacements can be predicted for the future by analyses of appropriate data
accumulated at regular internal equipment inspections and during routine
on-stream monitoring of actual service conditions. Planned repairs and/or
replacements allow all necessary drawings, lists of materials, and work
schedules to be prepared in the most effective manner. Necessary materials can
be estimated and replacement parts either wholly or partly fabricated at the
most convenient times prior to shutdown. If work schedules are properly
prepared and reviewed, each craft will know exactly what has to be done and the
sequence so that overall quality is improved.
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