If you are selecting the standard for repairs to API 570 covered piping, which code may be applied?

If you are selecting the standard for repairs to API 570 covered piping, which code may be applied?

• A. API 570.
• B. ASME Section VIII.
• C. ASME B31.3 or the Code to which the piping system was built.
• D. ISO 45001.

Answer: (C)

Repairs on API 570 covered piping follow the same code that originally governed the piping’s design and construction, or ASME B31.3 for process piping. API 570 covers inspection and assessment, but the actual repair requirements come from the code that was in effect when the system was built. If the system was built to ASME B31.3, repairs should comply with B31.3; if it was built to another code, repairs must follow that code. Section VIII is for pressure vessels, not piping, so it isn’t the standard used for piping repairs. ISO 45001 deals with management systems and has no direct bearing on repair criteria.

Repairs on API 570 covered piping follow the same code that originally governed the piping’s design and construction, or ASME B31.3 for process piping. API 570 covers inspection and assessment, but the actual repair requirements come from the code that was in effect when the system was built. If the system was built to ASME B31.3, repairs should comply with B31.3; if it was built to another code, repairs must follow that code. Section VIII is for pressure vessels, not piping, so it isn’t the standard used for piping repairs. ISO 45001 deals with management systems and has no direct bearing on repair criteria.