1. Purpose/Objective 1
1.1 Purpose 1
1.2 Objective 1
2. Scope 2
3. Roles and Responsibility 3
3.1 Role and Responsibility 3
3.1.1 Qualified Permit Requester 3
3.1.2 Qualified Permit Holder 3
3.1.3 Qualified Permit Issuer 4
3.1.4 On-site verifier 4
3.1.5 Authorized Permit Approver 5
3.1.6 Authorized Gas Tester 5
3.1.7 Fire Watch Man 5
3.1.8 SHE 6
3.1.9 Safety Standby Man 6
3.2 Guideline Qualification for Permit to Work Role & Responsibility 7
4. Workflow 8
5. Detailed Narrative of Workflow 9
5.1 Committed Work 9
5.2 Work Permit Request 9
5.3 Work Permit Preparation 9
5.3.1 Verify Work Permit documents 9
5.3.2 Verify Working Condition and Safety Requirements 9
5.4 Confirm Readiness of the Working Area and Gas Test by Area Owner 10
5.5 Work Permit Approval 10
5.6 Permit Communication 11
5.7 On-site Verification and Work Permit Execution 11
5.7.1 Communication to workers 11
5.7.2 On-site Verification 11
5.7.3 Work Permit Execution 12
5.8 Work Finished 14
5.8.1 Permit Ended 14
5.8.2 Record 14
6. Workflow KPI 15
7. Normative References 16
8. Appendix 17
8.1 Terms and Definitions 17
8.2 Other Supporting Information 21
8.2.1 Safety requirement for Hot work Work Permit 21
8.2.2 Controlled area responsibility 22
8.2.3 Work Permit form 22
8.3 Implementation Plan 23
8.4 Summary in Thai 23
Table of Figures
Figure 1 : Permit to Work System Workflow………………………………………………8
Table of Tables
Table 1 : Qualification of Permit to Work Role & Responsibility…………………….......7
Table 2 : Workflow KPI……………………………………………………………….…….15
Table 3 : Controlled area responsibility………………………