“The susceptibility of each equipment item should be clearly defined for the current and projected operating conditions including such factors as:
a) normal operation
b) upset conditions
c) normal start-up and shutdown
d) idle or out-of-service time
e) emergency shutdown and subsequent start-up.”
Furthermore, API 580 stresses that these operational states impact deterioration and must be included in the RBI assessment.
Options A, C, and D are clearly included in the standard.
Option B and E are too restrictive or speculative.
Option F is not referenced and is not considered in RBI methodology.
[Reference: API 580, 2nd Edition (2016), Section 5.5, , —]
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