Elements and Performance Criteria
- Obtain authority to undertake work on Type B gas appliances.
- Design specification for Type B gas appliance to be installed and commissioned is accessed, analysed, interpreted and confirmed through a detailed site inspection.
- Design specification matters requiring clarification are resolved through liaison with designer and gas authorities.
- Formal authority to proceed with installation and commissioning is obtained before commencing work, in accordance with regulatory and code of practice requirements.
- Regulatory and code of practice recording and reporting requirements are satisfied at appropriate times throughout the work sequence.
- Prepare for work.
- Safety (OHS) requirements associated with the workplace environment and installing, commissioning and servicing Type B gas appliances are accessed, interpreted and followed throughout the work.
- Gas system components, electrical or electronic components and controls, and other required installation materials are identified from the design specification and obtained for the work.
- Component specifications and manufacturer servicing manuals are obtained for planned work activity.
- Tasks are planned in conjunction with others involved in or affected by the work.
- Tools and equipment, including personal protective equipment, are selected consistent with installation, commissioning and servicing needs and checked for serviceability, and any faults are rectified or reported.
- Quality assurance requirements for the work sequences are identified and followed.
- Work area is prepared to support efficient installation, commissioning and servicing of Type B gas appliance.
- Gas system and electrical safety checks and isolation procedures are completed and recorded to manufacturer and other authority requirements before commencing work.
- Install Type B gas appliances.
- Appliance components, including valve trains, burners and associated pipework and flue systems, are installed in accordance with approved design specifications.
- Ventilation systems are installed in accordance with approved design specifications.
- Electrical components, including terminations, are installed in accordance with design specifications and regulatory requirements.
- Electrical wiring and wiring enclosures are installed in accordance with design specifications and regulatory requirements.
- Installations are visually inspected at each stage of the work to ensure compliance with specifications and absence of damaged or faulty equipment and materials.
- Commission and test Type B gas appliances.
- Testing and servicing equipment appropriate to the requirement is selected, checked and prepared for use.
- Gas and electrical safety checks and isolation procedures, including purging, are completed and recorded to manufacturer and other authority requirements before testing and commissioning are commenced.
- Operational parameters of individual components are tested and adjusted to conform to specifications.
- Appliance operations are tested first without and then with fuel, adjustments are completed as necessary and results recorded in accordance with approving authority requirements.
- Flue gases are analysed in accordance with recognised industry practice and other authority requirements.
- Service Type B gas appliances.
- Nature and possible cause of faults or out of specification performance are identified from defect reports or operational records.
- Electrical and gas safety checks and isolation procedures are completed and recorded to manufacturer and other authority requirements before servicing work is commenced.
- Plans and diagrams are read and correctly interpreted to identify potential gas system and electrical fault pathways and locations.
- Appropriate testing techniques, procedures and equipment are selected and applied to diagnose system faults or discrepancies.
- Cause of fault or out of specification performance is identified and confirmed.
- Options for correction are thoroughly analysed and most appropriate corrective action is selected.
- Repair, replacement or adjustment is made in accordance with manufacturer specifications or service manuals.
- Appliance is assessed to ensure compliance with relevant standards and manufacturer specifications prior to recommissioning and returning to service.
- Clean up work area.
- Work area is cleared and materials disposed of or recycled in accordance with federal, state and territory legislation and workplace procedures.
- Tools and equipment are cleaned, checked, serviced and stored in accordance with manufacturer recommendations and workplace procedures.
- Information is accessed and documentation completed in accordance with workplace requirements.