Elements and Performance Criteria
- Prepare to attend breakdown.
- Nature of the breakdown is confirmed with appropriate personnel to establish the need to enter the hazardous area.
- Maintenance records of equipment related to the reported breakdown are review for possible causes.
- Safety to enter the hazardous area is established in accordance with established procedures and relevant clearance to do the work is obtained.
- Testing devices and tools, anticipated as being needed for the work, are obtained and checked for correct operation and safety.
- Evaluate extent of work.
- OHS policies and procedures for working in a hazardous area are followed.
- Extent of breakdown is evaluated and confirmed with appropriate personnel.
- Other personnel required to determine cause and rectify breakdown is ascertained from available evidence and arrangements made for their attendance where applicable.
- Extent of repair work is ascertained from available evidence and confirmed with appropriate personnel.
- Limits of repair work that can be carried out in-situ are established with regards to explosion risk and in accordance with established procedures and requirements.
- Arrange repair work.
- Equipment is isolated in accordance with established procedures.
- Circuits of equipment being withdrawn from service are terminated or isolated safely and in manner approved for the classification of the area.
- Certification documentation for replacement equipment is sighted to ensure that it is identical with the equipment it replaces and is in accordance with the explosion-protection system design.
- Repair work carried out in-situ is done in accordance with established procedures and requirements.
- Confirm completion of work.
- Explosion-protected equipment and systems are inspected and tested by appropriately qualified personnel after repairs are completed to ensure the integrity of the system.
- Appropriate personnel are notified of the completion of the repair work and details are documented in accordance with established procedures and requirements.