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Fundamentals of Fitness for Service


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Fitness for Service Training

This Fitness-For-Service (FFS) training course will provide attendees with an introduction to the API 579-1/ASME FFS-1 standard used for demonstrating structural integrity of in-service pressurized equipment. This course will cover all of the assessment strategies outlined in API 579-1/ASME FFS-1 and explain the variety of outcomes resulting in follow-up actions ranging from continued service within existing safe operating limits to immediate removal from service for remediation or replacement.


API 579 Certification Course

The assessment methods apply to pressure vessels, piping, and tanks that are in service that may contain flaws or have sustained damage.  The assessments are able to provide information on the current state of damage along with providing an estimate for the remaining life of the equipment.  Participants will be walked-through the eight-step procedure for conducting an FFS assessment for each damage condition of a component:

  1. Flaw and damage mechanism identification
  2. Applicability and limitations of the FFS assessment procedures
  3. Data requirements for conducting the FFS assessment
  4. FFS assessment techniques and acceptance criteria
  5. Remaining life evaluation
  6. Equipment or component remediation
  7. On-stream monitoring of the component or equipment
  8. Documentation of the FFS assessment

In order to enhance comprehension of the discussion topics, the instructor will guide the students through select Level 1 and Level 2 assessment examples from the API 579-2/ASME FFS-2 Example Problem Manual.

Who Should Attend this course?
  • The course is aimed at plant inspectors, plant engineers, inspection engineers, and materials and corrosion engineers responsible for managing the integrity of process equipment, piping, boilers and storage tanks.

what will i learn in this course?
  • Apply the API 579-1/ASME FFS-1 Fitness-For-Service standard to analyze, evaluate, and monitor pressure vessels, piping, and tanks
  • Understand quantitative engineering evaluations of flaws and damage mechanisms identified during inspections
  • Garner insight into the options for planning and scheduling inspections and maintenance work on the equipment. The information includes:
    • Equipment design basis documentation, including documents that are used to comply with regulatory requirements by establishing that equipment is safe for continued operation
    • Acceptance criteria for future inspections
    • Justification for the deferral of equipment replacement or repair
    • Options for rerating, altering, repairing, or replacing equipment
    • Forecasting remaining useful life of equipment
    • Future inspection requirements
  • Learn Level 1 and Level 2 FFS assessment techniques
DURATION: 2 days

Dates & Locations

View our current schedule of virtual or on-site courses at



DAY 1: 8:00 a.m. to 5:00 p.m.
  • Introduction: (1) Student Expectations and Experience; (2) Course Purpose and Objectives
  • Fitness for Service Introduction
  • Overview of FFS Assessment Procedures
  • Assessment of Brittle Fracture
  • Assessment of General Metal Loss
  • Assessment of Local Metal Loss
  • Assessment of Pitting Corrosion
DAY 2: 8:00 a.m. to 5:00 p.m.
  • Assessment of Hydrogen Blisters/HIC/SOHIC
  • Assessment of Weld Misalignment and Shell Distortions
  • Assessment of Crack Like Flaws
  • Assessment of Creep Damage
  • Assessment of Fire Damage
  • Assessment of Dents, Gouges and Dent-Gouge Combinations
  • Assessment of Laminations
  • Conclusion

Note: Breaks taken at approximately one hour intervals and 1 hour for lunch


Mr. Ian Suares - Fixed Equipment Manager, ABS Consulting

Mr. Nicolas Obando - Fixed Equipment Manager, ABS Consulting

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