Elements and Performance Criteria
- Identify job requirements.
- Installation requirements are determined from plans, load and specifications or site inspection.
- Safety (OHS) requirements associated with sizing consumer piping systems, and the workplace environmental requirements, are adhered to throughout the work.
- Quality assurance requirements for company operations are identified and adhered to.
- Piping materials are selected in compliance with appropriate standards, workplace and statutory and regulatory authority requirements.
- Gas loads and pipe lengths or instructions are calculated and determined from design drawings, instructions or site inspection.
- Size gas piping systems.
- Pressure drop is selected in accordance with standards, regulating authorities' requirements, specifications and workplace requirements after authorities have been contacted for information regarding capacity of gas main and available meter outlet pressure.
- Appropriate sizing table is selected for gas supply type, piping material and pressure drop.
- Sizing procedure is undertaken consistent with standards, regulating authorities' requirements, specifications and workplace requirements.
- Clean up.