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Elements and Performance Criteria
Required Skills
Evidence Required
Range Statement
The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Add any essential operating conditions that may be present with training and assessment depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts.Where reference is made to industry codes of practice and/or Australian/international standards, the latest version must be used.ContextThis competency unit includes the butt welding of polyethylene (PE) pipeline components using hydraulic activated welding machines. The end applications include pipelines used for transmission of gaseous and water based fluids.It also includes the operation of all relevant ancillary equipment.Specifications include national standards for materials (including but not limited to AS/NZS 4130, AS/NZS 4131, AS/NZS 4401 and AS/NZS 5065), workplace specifications and instructions, and government codes and regulations.ProceduresAll operations are performed in accordance with procedures.Procedures include all relevant workplace procedures, work instructions, temporary instructions and relevant industry and government codes and standards. Tools and equipmentThis competency includes use of equipment and tools such as:hydraulic activated butt welding machines, and pipe supportsmeasurement devices, including pressure gauges, timers, temperature probes, callipers and computer-based pressure/temperature monitorscleaning fluids and spray equipmentcalculatorsrelevant safety equipmentcomprehensive work instructions.HazardsTypical hazards include:hazardous cleaning fluidspipe material handlingheavy stationary and moving machinerycutting and heating components.Problems'Anticipate and solve problems' means resolve a wide range of routine and non-routine problems, using product and process knowledge to develop solutions to problems which do not have a known solution/a solution recorded in the procedures.Typical process and product problems may include:variable PE materials, and pipes as suppliedequipment malfunction or wear and tearvariable field site conditions.