This Appendix addresses the audit of interlock systems as defined in this SHE code - Operational Audit of interlock systems undertaken by department directors, or those with delegated responsibility. Independent Compliance Audit of this SHE code as defined in STFC SHE Code 30 (SHE auditing and Inspection) will also need to be carried out as defined in SHE Code 30.
C.1 Operational Audit of Interlock Systems
The auditor shall prepare a programme, undertake and document the findings of an audit programme of interlock systems and procedures defined in this SHE code. The frequency of such audits should not exceed 3 years. Audit findings and recommendations shall be sent to the relevant Director for consideration.
Listed below are systems and procedures to be included, as a minimum, in this audit programme.
Desk Audit:
- Interlock Management Plan(s)
- Review of a selected interlock system:
- Interlock System Design Documentation
- Interlock Test & Results Documentation
- Procedures and operating instructions for Interlock Systems
- Training records of those carrying out roles in the interlock system lifecycle
- Ongoing periodic testing and maintenance records
- Interlock SHE Incidents
- Change management process and records
Site Audit:
- Tour of selected interlock system:
- Appropriate signage is present
- Location and identification of Interlocks, warning lights and audible alarms
- Visible condition of interlock system hardware
C.2 Compliance Audit Checklist
The audit checklist is available in
Excel format (right click and choose 'Save link as') and
PDF format
