Certified Layer of Protection Analysis Professional (CLPAP)

LOPA is a semi-quantitative method for analyzing and evaluating risk on a process facility. Using an order of magnitude technique, it evaluates the adequacy of current or proposed layers of protection against recognized threats.

AIBM has a “learn to ace” philosophy; our team of professional and expert trainers will ensure that your abilities and skills are enhanced by effectively acquiring course-related knowledge. The training will teach you how to classify key scenarios and designate acceptable frequency thresholds in order to detect dangerous events. You will also learn how to designate risk categories and determine the appropriate number of Independent Protection Layers (IPLs). The course also covers the specifications and standards required for a protection layer to be accepted as an IPL.

In workshops, all of the fundamental LOPA phases, including the use of software tools, are practiced. In addition, the course materials include a compilation of LOPA research papers, references, and additional reading.

Certification Program Objectives: 

  • Utilize the LOPA methodology and its application.
  • Determine if a process requires a safety instrumented system (SIS) in an efficient manner.
  • Develop a solid understanding of why safety integrity level (SIL) is required.
  • Determine whether a safety instrumented system (SIS) is required for a process.
  • Develop a thorough comprehension of Independent Protection Layer (IPL) and its definition.
  • Conduct an effective LOPA investigation.
  • Develop a strategy to administer these systems throughout the installation’s life cycle.

Certifying Examination:

  • To be certified as CLPAP, student should take up a 1.5 hours exam at the designated examination centers.
  • The qualifying exam would consist of 50 multiple choice questions, testing core certification modules.
  • Professionals with relevant experience and other qualifying criteria may be exempted from the examination.

Materials Provided:

  • Presentation slides
  • Study references


Upon successful completion of the CLPAP training, participants will receive a “Certified Layer of Protection Analysis Professional” certificate.

Who Should Attend:

  • Process safety specialists
  • Loss prevention professionals
  • Industrial engineers
  • Process design specialists
  • Project architects
  • Process developers
  • Instrument control designers
  • Those accountable for conducting LOPA research

Course Outline:

  • Concept, purpose, and principles of LOPA
  • LOPA methodology
  • Selecting scenarios
  • The LOPA processes
  • Describing scenarios
  • Estimating initiating event frequencies
  • Independent protection layers and their reliability
  • LOPA study and documentation
  • Advanced aspects
  • Facilitating a LOPA study
  • Responsibilities and challenges
  • LOPA terminology
  • Information required for LOPA and review of
  • HAZOP worksheets
  • Hazard consequences and target mitigated event likelihood
  • Hazard causes and frequencies
  • Independent protection layers and probability of failure on demand
  • Conditional/event modifiers
  • Application of LOPA variations
  • Carrying out SIL Classification using LOPA
  • Recording methods, software, and reporting
  • Common failings and limitations of LOPA
  • Leading LOPA teams