10980 version 5 Page 1 of 4 Perform electrofusion jointing on polyethylene pipe for a distribution network Level 4 Credits 6 Purpose This unit standard is for people working in the infrastructure pipelaying industries. People credited with this unit standard are able to: locate and identify procedures, documentation, and equipment for electrofusion jointing; prepare for and perform electrofusion jointing; and complete reporting and documentation. Subfield Plastics Processing Technology Domain Plastics Fabrication Status Registered Status date 20 November 2009 Date version published 20 November 2009 Planned review date 31 December 2014 Entry information Recommended: Unit 25610, Demonstrate knowledge of equipment and operations for jointing polyethylene pipe, or demonstrate equivalent knowledge and skills. Accreditation Evaluation of documentation and visit by NZQA and industry. Standard setting body (SSB) NZ Motor Industry Training Organisation (Incorporated) (MITO) Accreditation and Moderation Action Plan (AMAP) reference 0114 This AMAP can be accessed at http://www.nzqa.govt.nz/framework/search/index.do. Special notes 1 This unit standard is intended for people welding plastic piping to transport either gas or water as described in AS/NZS 4130:2009. 2 The unit standard is intended for, but is not limited to, workplace assessment. Results for destructive testing required in this unit standard may come from welds completed in a training environment. New Zealand Qualifications Authority 2016 10980 version 5 Page 2 of 4 3 The current version of the following documents must be complied with: Health and Safety in Employment Act 1992; Resource Management Act 1991; AS/NZS 4130: 2009 Polyethylene pipes for pressure applications Available at http://www.standards.co.nz; POP001: Electrofusion Jointing of PE Pipe and Fittings for Pressure Applications (Issue 6.0); POP005: Packaging, Handling and Storage of Polyethylene Pipes and Fittings (Issue 5.0); both available at http://www.pipa.com.au; Manufacturers instructions. 4 Definitions Company procedures means the documented methods for performing work activities and include health and safety, environmental, and quality management requirements. They may refer to manuals, codes of practice, or policy statements. Destructive testing means destructive tests carried out in accordance with manufacturer’s instructions and company procedures. Elements and performance criteria Element 1 Locate and identify procedures, documentation, and equipment for electrofusion jointing. Performance criteria 1.1 Company procedures for electrofusion jointing are read and interpreted in relation to specified job requirements. 1.2 Job instructions are confirmed in accordance with company procedures. Range instructions include – site location, utility plans and/or mark-outs, consents, easements. 1.3 Potential environmental and safety hazards are identified in accordance with company procedures. 1.4 Electrofusion jointing equipment, components, and materials are identified and described in terms of type and function. Range 1.5 leads, fusion unit, clamps, power source, residual current device, cutters, scrapers, pipe, fittings. Equipment is described in terms of potential hazards of incorrect application and operation, and the steps to avoid them are described in accordance with company procedures. New Zealand Qualifications Authority 2016 10980 version 5 Page 3 of 4 1.6 Resource requirements are identified and sourced in accordance with company procedures. Range plant, tools, materials, documentation, system components, personnel, communication equipment. Element 2 Prepare for electrofusion jointing. Range saddle fitting, socket type fitting. Performance criteria 2.1 Safety and environmental hazards identified in performance criterion 1.3 are either isolated, removed, or minimised in accordance with company procedures. Range 2.2 Electrofusion jointing equipment and materials are prepared, handled, and positioned in accordance with company procedures and manufacturer’s instructions. Range 2.3 leads, clamps, generators, residual current device. Pipe and fittings are prepared for electrofusion jointing in accordance with company procedures. Range 2.4 actions may include but are not limited to – signage, barriers, personal protective equipment, safe access and egress, temporary traffic control, environmental protection. cut square, length marked, cut to length, dry, free from oxidisation, contaminant-free, cleaning agent, covered. Fusion unit is set up in accordance with manufacturer’s instructions. Range fusion time, voltage level, verification of settings. Element 3 Perform electrofusion jointing. Range saddle fitting, socket type fitting. Performance criteria 3.1 Joints are made by electrofusion jointing in accordance with company procedures and manufacturer’s instructions. 3.2 Before handling and pressurising joint, the cooling period is identified and applied in accordance with manufacturer’s instructions. New Zealand Qualifications Authority 2016 10980 version 5 Page 4 of 4 3.3 A field check is carried out to ensure the integrity of the pipe joint. Range 3.4 The results of destructive testing of completed electrofusion joints confirm the welds meet test requirement. Range 3.5 check may include but is not limited to – visual assessment, on site pressure test. one result for each fitting type required. Operator identification number is applied to the completed electrofusion joint in accordance with company procedures. Element 4 Complete reporting and documentation. Performance criteria 4.1 Information is communicated to other parties, both internal and external, in accordance with company procedures. Range 4.2 may include but is not limited to – special conditions, completion notice, additional work. Records and documents are completed and processed in accordance with company procedures. Please note Providers must be accredited by NZQA, or an inter-institutional body with delegated authority for quality assurance, before they can report credits from assessment against unit standards or deliver courses of study leading to that assessment. Industry Training Organisations must be accredited by NZQA before they can register credits from assessment against unit standards. Accredited providers and Industry Training Organisations assessing against unit standards must engage with the moderation system that applies to those standards. Accreditation requirements and an outline of the moderation system that applies to this standard are outlined in the Accreditation and Moderation Action Plan (AMAP). The AMAP also includes useful information about special requirements for organisations wishing to develop education and training programmes, such as minimum qualifications for tutors and assessors, and special resource requirements. Comments on this unit standard Please contact the NZ Motor Industry Training Organisation (Incorporated) (MITO) info@mito.org.nz if you wish to suggest changes to the content of this unit standard. New Zealand Qualifications Authority 2016