Jurisdictions (e.g., Alberta, Canada; Texas, USA) and insurance underwriters (e.g., HSB, FM Global) now explicitly accept API 579 assessments as justification for continued operation under pressure equipment regulations (like NBIC Part 3 or OSHA PSM).
, commonly referred to as API 579 , is the definitive international standard for performing Fitness-For-Service (FFS) assessments on pressurized equipment. Published jointly by the American Petroleum Institute (API) and the American Society of Mechanical Engineers (ASME) , it provides engineers with a structured methodology to determine if damaged or flawed equipment is safe for continued operation. Core Purpose: "Run, Repair, or Replace" api 579