NZQA Expiring unit standard 3251 version 6 Page 1 of 3 Title Pre-commission and inspect materials handling duct work systems Level 4 Credits 5 Purpose This unit standard is for people who work, or intend to work, in the heating, ventilation and air conditioning sector of the engineering industry. People credited with this unit standard are able to: check installation, connections and cleanliness of duct work system; check system operation and completion; and record and report on the system. Classification Mechanical Engineering > Heating, Ventilating, and Air Conditioning Available grade Achieved Entry information Recommended skills and knowledge Open, however, it is recommended that people undertaking assessment for this unit standard are already credited with Unit 3203, Integrate ventilation and air conditioning systems components, or demonstrate equivalent knowledge and skills. Explanatory notes 1 Materials handling duct work includes systems for such things as wood chips, dust, fumes, and powders. 2 Work site documents include contracts, drawings and any installation documents for the installed duct work system. 3 All work site practices must meet recognised codes of practice and documented safety procedures and safety plans (where these exceed code) for personal and work site safety, and obligations required under current legislation. 4 A general knowledge of all systems to duct fluids, gases and particles would be advantageous to people undertaking assessment for this unit standard. Competenz SSB Code 101571 New Zealand Qualifications Authority 2016 NZQA Expiring unit standard 3251 version 6 Page 2 of 3 Outcomes and evidence requirements Outcome 1 Check installation, connections and cleanliness of duct work system. Evidence requirements 1.1 Installation of system is checked for compliance with work site documents. 1.2 Services supply is checked in accordance with work site documents. Range may include - plumbing, electrical, water, gas. 1.3 Internal cleanliness meets work site documents’ specifications. 1.4 Cleanliness of filters meets work site documents’ specifications. Outcome 2 Check system operation and completion. Evidence requirements 2.1 Correct rotation of motors is verified in accordance with work site documents. 2.2 Circuit protective devices are verified as matching motor name plate details. 2.3 Control functions are verified against work site documents’ specifications. 2.4 Any non-completions of system are notified in accordance with company policies and procedures. 2.5 Completion of system to work site documents is organised and followed up in accordance with company policies and procedures. 2.6 The system is verified as being ready to run for commissioning in accordance with company policies and procedures. Outcome 3 Record and report on the system. Evidence requirements 3.1 System compliance with pre-commissioning requirements is recorded in accordance with system documents. 3.2 Pre-commissioning report is completed and actioned in accordance with system documents and company policies and procedures. Competenz SSB Code 101571 New Zealand Qualifications Authority 2016 NZQA Expiring unit standard Replacement information 3251 version 6 Page 3 of 3 This unit standard, unit standard 3246, unit standard 3247, unit standard 3248, unit standard 3249, unit standard 3250, unit standard 3252, and unit standard 3253 have been replaced by unit standard 26339. This unit standard is expiring. Assessment against the standard must take place before the expiry date set out below. Status and review information Expiring date 16 July 2010 Date version published 16 July 2010 Expiry date 31 December 2016 Accreditation and Moderation Action Plan (AMAP) reference 0013 This AMAP 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, 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 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. Consent 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. Competenz SSB Code 101571 New Zealand Qualifications Authority 2016