A: No, recommended practices are not mandatory by themselves. However, they become mandatory if referenced by a code, regulation, or company specification (e.g., “Inspect all stainless steel welds per API RP 586”).

API RP 586 does not operate in a vacuum. It heavily references API RP 580 and 581. The document guides users on how to apply Risk-Based Inspection methodologies specifically to piping systems. This involves:

– Covers NDE methods for shell-and-tube and air-cooled heat exchangers, specifically for out-of-service internal tubing inspections.