NZQA registered unit standard 10550 version 5 Page 1 of 5 Title Joint HV polymeric insulated power cables from 22kV to 33kV in the electricity supply industry Level 5 Credits 10 Purpose People credited with this unit standard are able to: prepare a work site to joint high voltage (HV) polymeric insulated cables from 22kV up to and including 33kV; joint HV polymeric insulated cables from 22kV up to and including 33kV; and test cables and report joint locations. Classification Electricity Supply > Electricity Supply - Distribution Networks Available grade Achieved Entry information Critical health and safety prerequisites Unit 10547, Joint HV polymeric insulated power cables up to and including 11 kV in the electricity supply industry, or demonstrate equivalent knowledge and skills. Explanatory notes 1 This unit standard is intended for, but not restricted to, workplace assessment. The range statements within the unit standard can be applied according to enterprise specific equipment, procedures and processes. 2 Safety of personnel and plant must be a priority throughout the assessment. If the safety requirements are not met the assessment must stop and the candidate will be assessed as not yet competent. 3 Performance and work practices in relation to the outcomes and evidence requirements must comply with all current legislation, especially the Electricity Act 1992 and any subsequent amendments, and any regulations, codes of practice recognised under that statute, Health and Safety in Employment Act 1992, the Resource Management Act 1991, and their subsequent amendments, electricity supply industry codes of practice and documented enterprise procedures. These include the latest version of, Safety Manual – Electricity Industry (SM-EI) Wellington: Electricity Engineers’ Association. A full list of current legislation and industry codes is available from: Infrastructure Industry Training Organisation PO Box 1245 Hamilton 3240. Infrastructure ITO SSB Code 101813 New Zealand Qualifications Authority 2016 NZQA registered unit standard 10550 version 5 Page 2 of 5 4 The phrase in accordance with industry requirements is implicit in all outcomes and evidence requirements in this unit standard. 5 Definitions Industry requirements include all asset owner requirements; manufacturers’ specifications; and enterprise requirements which cover the documented workplace policies, procedures, specifications, business, and quality management requirements relevant to the workplace in which assessment is carried out. Asset owner refers to the owner of an electricity supply network that takes its point of supply from Transpower NZ, and delivers electricity to industrial, commercial and residential customers. Asset owner standards are the approved documented work site methods for carrying out work on an electrical supply network to the standard required by the asset owner. 6 This unit standard is intended for use in the assessment of cable jointers, and all terminology and workplace assessment should be related to that sector of the industry. 7 This unit standard excludes tough plastic sheath (TPS) type cables. 8 The observance of special safety requirements associated with this type of jointing is critical to assessment against this unit standard. When working on live components and live jointing, the selection and use of hand tools is to comply with IEC 60900:2012 Live working – Hand tools for use up to 1000 V a.c. and 1500 V d.c. 9 HV is defined as ‘high voltage’ and includes voltages from 22kV up to and including 33kV. 10 Assessment of practical skills against the outcomes in this unit standard requires three practical observations from three different workplace activities. Outcomes and evidence requirements Outcome 1 Prepare a work site to joint HV polymeric insulated cables from 22kV up to and including 33kV. Evidence requirements 1.1 Scope of work is determined. Range 1.2 location of cable, condition of cable, safety issues, cable de-energised or energised, material and manpower resources. Cables are identified. Range Infrastructure ITO SSB Code 101813 electrical characteristics, physical characteristics, cable plans. New Zealand Qualifications Authority 2016 NZQA registered unit standard 1.3 Safe working zone is established. Range 1.4 10550 version 5 Page 3 of 5 physical location, working mats, safe working area delineation, entry and exit positions, SM-EI guidelines and safety equipment, permit’s requirements, joint pit requirements. Cables are checked and tested in preparation for termination. Range includes but is not limited to – continuity, cable core identification, insulation resistance, moisture, phase testing to 33kV. Outcome 2 Joint HV polymeric insulated cables from 22kV up to and including 33kV. Evidence requirements 2.1 Correct selection of tools and equipment is made. 2.2 Joint is prepared. Range 2.3 Conductors are terminated and jointed. Range 2.4 may include but is not limited to – barrier, elastomer, heat shrink, tapes, resins, void filling, screens, cable core separation; evidence of four is required. Earth continuity is re-established. Range 2.6 may include but is not limited to – compression, mechanical, weld, shearbolt, cleanliness, moisture management; evidence of three is required. Conductors are re-insulated. Range 2.5 cleaning, conductor preparation, stripping, earthing. bedding layer, screens, steel wire armour, steel tape armour. Mechanical and environmental integrity are re-established. Range may include but is not limited to – elastomer, heat shrink, tapes, compounding including resins, appropriate sealant; evidence of two is required. Outcome 3 Test cables and record joint location. Infrastructure ITO SSB Code 101813 New Zealand Qualifications Authority 2016 NZQA registered unit standard 10550 version 5 Page 4 of 5 Evidence requirements 3.1 Cables are tested after jointing. includes but is not limited to – visual, HV pressure testing, insulation resistance, continuity test, sheath integrity, phase testing to manufacturers’ specifications. Range 3.2 Joint as built is recorded to asset owner standards includes but is not limited to – location, test results. Range Planned review date 31 December 2019 Status information and last date for assessment for superseded versions Process Version Date Last Date for Assessment Registration 1 19 August 1997 31 December 2016 Review 2 27 April 2001 31 December 2016 Review 3 22 October 2003 31 December 2016 Review 4 21 August 2009 31 December 2016 Review 5 18 September 2014 N/A Consent and Moderation Requirements (CMR) reference 0120 This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do. Please note Providers must be granted consent to assess against standards (accredited) by NZQA, before they can report credits from assessment against unit standards or deliver courses of study leading to that assessment. Industry Training Organisations must be granted consent to assess against standards by NZQA before they can register credits from assessment against unit standards. Providers and Industry Training Organisations, which have been granted consent and which are assessing against unit standards must engage with the moderation system that applies to those standards. Requirements for consent to assess and an outline of the moderation system that applies to this standard are outlined in the Consent and Moderation Requirements (CMR). The CMR 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. Infrastructure ITO SSB Code 101813 New Zealand Qualifications Authority 2016 NZQA registered unit standard 10550 version 5 Page 5 of 5 Comments on this unit standard Please contact the Infrastructure Industry Training Organisation qualifications@infrastructureito.org.nz if you wish to suggest changes to the content of this unit standard. Infrastructure ITO SSB Code 101813 New Zealand Qualifications Authority 2016