Permit-to-Work Systems
How permit-to-work systems control high-risk non-routine work: purpose and limits, major accident lessons from Piper Alpha and Texas City, provincial OHS rules, CSA Z460, Z1006 and Z462 and HSG250, scope and triggers, permit types and linked certificates, roles and competence, the permit life cycle, isolations, simultaneous operations, handover and suspension, electronic permits, monitoring and a capstone permit system design.
HSE-221 12 lessons · 5 h 4 min
Offered by HSM University · Safety Training
This is the Canadian version of this course. See the American version.
What you'll learn
- Explain what a permit to work is, what it does and does not do, and where permit systems are used
- Describe major accidents such as Piper Alpha and Texas City and the permit lessons they teach
- Identify the Canadian laws, standards and guidance that shape permit-to-work systems
- Decide which work needs a permit using triggers, default rules and risk scoring
- Select permit types and linked certificates for a job and cross-reference them correctly
- Describe the roles of issuer, area authority, holder, isolating authority and gas tester and estimate issuer workload
- Follow a permit through its life cycle and decide whether permits and certificates are valid across shifts
- Explain how isolations are planned, verified, linked to permits and removed, and count isolation points and locks
- Identify and resolve simultaneous operations conflicts using coordination meetings, plot plans and conflict matrices
- Manage shift handover, suspension, revalidation, extensions and long-duration work
- Evaluate the benefits and risks of electronic permit systems and estimate time savings
- Monitor and audit a permit system, interpret compliance rates and leading indicators, and design a permit system for a plant
Course content
12 lessons · 5 h 4 min total · final exam
- 1 Why permit systems exist and what they are 27 min · quiz
- 2 History and major accident lessons 25 min · quiz
- 3 Permit-to-work law and standards in Canada 25 min · quiz
- 4 Which work needs a permit: scope and selection 25 min · quiz
- 5 Permit types and linked certificates 25 min · quiz
- 6 Roles, responsibilities and competence 25 min · quiz
- 7 The permit life cycle 25 min · quiz
- 8 Isolations and the permit 25 min · quiz
- 9 Simultaneous operations, interfaces and conflicts 25 min · quiz
- 10 Shift handover, suspension and long-duration work 26 min · quiz
- 11 Electronic permit systems 26 min · quiz
- 12 Monitoring, auditing, human factors and capstone: designing a permit system 25 min · quiz
- E Final exam 20 questions
Requirements
Recommended background. You can start any course at any time.
Description
How permit-to-work systems control high-risk non-routine work: purpose and limits, major accident lessons from Piper Alpha and Texas City, provincial OHS rules, CSA Z460, Z1006 and Z462 and HSG250, scope and triggers, permit types and linked certificates, roles and competence, the permit life cycle, isolations, simultaneous operations, handover and suspension, electronic permits, monitoring and a capstone permit system design.