Elements and Performance Criteria
- Prepare for purging.
- Design drawing and specification are obtained.
- Safety (OHS) requirements associated with purging consumer gas piping systems, and workplace environmental requirements, are adhered to throughout the work.
- Quality assurance requirements for company operations are identified and adhered to.
- Work is planned in conjunction with others involved in or affected by the work.
- Appropriate tools and equipment for the conduct of purging, including personal protective equipment, are identified, selected and checked for serviceability.
- Work area and materials are prepared to support efficient purging of consumer gas piping system.
- Identify purge requirements.
- Installation is checked to ensure compliance with standards and relevant specifications.
- Volume of piping system is determined from design drawing and standards, and calculations are recorded in format required by job specification.
- Method of purging is selected in compliance with standards and authorities' requirements.
- Purge medium is selected in compliance with standards, and calculations of the purge medium volume are recorded in format required by job specification.
- Carry out and test purge operation.
- Clean up.
- Work area is cleared and materials disposed of or recycled in accordance with state and territory legislation and workplace procedures.
- Tools and equipment are cleaned, checked, maintained and stored in accordance with manufacturer recommendations and workplace procedures.
- Information is accessed and documentation completed in accordance with workplace requirements.