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AP01

API 579
Fitness For Service Evaluation
 

INTRODUCTION

The participant will learn to apply the rules of Recommended Practice API 579 "Fitness-for-Service" to recognize degradation mechanisms, evaluate the integrity and remaining life of tanks, pressure vessels, piping systems and pipelines, make cost effective run-or-repair decisions, and select the appropriate repair options. In this programme you will learn:

  • Fundamental principles of fitness-for-service, their practical application through case histories, and a step-by-step evaluation process for each type of degradation mechanism
  • Fundamental principles of component integrity, application of the ASME code rules, material properties of strength and toughness, and the introduction to stress and fracture mechanics
  • A review of degradation mechanisms and the application of API 579 to brittle fracture, general metal loss, local wall thinning, pitting, blisters and laminations, mechanical defects (dents, gouges, misalignment, and distortion), crack-like flaws (stress corrosion cracking, weld flaws, crack-like defects), fatigue, and fire damage
WHO SHOULD ATTEND?
  • design and system engineers
  • inspectors, project and maintenance engineers who are personally responsible for the reliable design, operation, maintenance and repair of equipment, systems, tanks, vessels, piping and pipelines

PROGRAMME OBJECTIVES - participants attending the programme will:

  • Latest techniques to determine the fitness-for-service of operating tanks, vessels, piping systems and pipelines; and make cost-effective run-or-repair decisions based on the principles of API recommended practice 579 "Fitness-for-Service"
  • Balanced approach between the fundamental technical principles of structural integrity, stress and fracture analysis, and their practical application to field conditions
  • Provides the participants with the tools necessary to recognize and assess defects in tanks, vessels and piping
  • Presents and applies the fundamentals rules of the ASME code to operating equipment and systems
  • Introduces the participants to the practical application of the ASME and API rules for structural integrity of static equipment and pipelines, and their use to assess remaining life
  • Applies API recommended practice API 579 "Fitness-for-Service" through practical examples to analyze degraded conditions and make cost-effective repair or use-as-is decisions
  • Applies the step-by-step 3-level approach of API 579 to evaluate inspection results and recognize potential failure modes
  • Technical basis for reliability-based (risk-based) evaluation of remaining life.
    Latest developments in defect assessment techniques, starting with simple rules (level 1) and progressing to the more comprehensive evaluation techniques (level 3)
  • Participants will be able to evaluate the structural integrity of corroded or damaged equipment, and assess their remaining life. Degradation mechanisms include: brittle fracture, general metal loss, local wall thinning, pitting, blisters and laminations, mechanical defects (dents, gouges, misalignment, and distortion), crack-like flaws (stress corrosion cracking, weld flaws, crack-like defects), fatigue, and fire damage

PROGRAMME SUMMARY

  • Organizational Impact
  • Take full advantage of the best industry practice of API RP 579 "Fitness-for-Service" to avoid unnecessary shutdowns, replacements or repairs
  • Make cost-effective run-or-repair decisions for equipment in-service
    Plan, repair or replace projects, where necessary, based on the timely fitness-for-service prediction of remaining life of tanks, vessels, piping and pipelines
  • Personal Impact on Programme Participant
  • Opportunity to extend his/her expertise in equipment design, defect assessment, and equipment integrity analysis
  • Equipped with the necessary step-by-step procedure, formulas, and examples to perform simple (level 1), intermediate (level 2) and complex (level 3) quantitative evaluations of a degraded condition and make run-or-repair decisions
  • Opportunity to work with one of the leaders in the field of vessels, piping and pipelines engineering, member of several ASME committee, and get an understanding not only of the rules being applied but also of their background
    Receive comprehensive programme notes, illustrated with practical examples, to use as a reference
  • Introduced to the latest developments in fitness-for-service rules and their application, as well as a view of the future directions and developments in this field

PROGRAMME OUTLINE

DAY 1 – FOUNDATIONS OF FITNESS-FOR-SERVICE ASSESSMENT

  • Overview of ASME and API codes and standards with historical background
  • Overview of API 579 contents, objectives and applications
  • How to apply API 579 for cost-effective run-or-repair decisions
  • Fitness-for-Service assessment procedure
  • ASME code rules and design equations tanks, vessels, piping and pipelines
  • Inspection techniques for tanks, vessels, piping and pipelines
  • Difference between flaw acceptance criteria for new construction and in-service equipment
  • Case history study and practical exercises

DAY 2 – CORROSION AND FRACTURE

  • API 579 Chapter 3 assessment of existing equipment for brittle fracture
  • Understanding and classifying corrosion mechanisms
  • API 579 Chapter 4 Assessment of general metal loss
  • API 579 Chapter 5 Assessment of Local Metal Loss
  • ASME B31G Assessment of local metal loss in pipelines
  • RSTRENG Assessment of local metal loss
  • Repair techniques for general and local metal loss
  • Case history study and practical exercises

DAY 3 – PITTING AND MECHANICAL DAMAGE

  • API 579 Chapter 6 Assessment of pitting corrosion
  • API 579 Chapter 7 Assessment of blisters and laminations
  • API 579 Chapter 8 Assessment of weld misalignment and shell distortions
  • ASME B31.4 and B31.8 Assessment of dents and gouges
  • Future ASME B31 rules for assessment of pipelines defects
  • Repair techniques for pitting corrosion
  • Repair techniques for dents, gouges and mechanical damage
  • Case history study and practical exercises

DAY 4 – FRACTURE AND CRACK-LIKE FLAWS

  • Understanding crack-like flaws in base material and welds
  • Introduction to fracture mechanics
  • Reference stress solutions
  • Understanding and estimating residual stresses
  • API 579 Chapter 9 Assessment of crack-like flaws
  • Fatigue mechanisms, remaining life and fatigue failure
  • Repair techniques for crack-like flaws
  • Case history study and practical exercises

DAY 5 – APPLICATIONS

  • Exercise 1 – Brittle fracture example
  • Exercise 2 – General corrosion example
  • Exercise 3 – Local corrosion example
  • Exercise 4 – Pitting corrosion example
  • Exercise 5 – Lamination defect example
  • Exercise 6 – Pipeline dent example
  • Exercise 7 – Crack flaw in weldment
  • Conclusion: practical application and cost benefits