NZQA Expiring unit standard 2045 version 7 Page 1 of 3 Title Install, glass to glass and/or metal with structural silicone glazing Level 4 Purpose Credits 5 This is a specialist unit standard for people in the glazing industry. People credited with this unit standard are able to: clean and prepare substrates for structural silicone glazing; install glass and apply sealant; and complete structural silicone glazing. Classification Glass and Glazing > Flat Glass Available grade Achieved Explanatory notes 1 Definition Worksite requirements – refer to instructions to staff on policy and procedures which are documented in memo or manual format and are available in the workplace. These requirements include but are not limited to – company specifications and procedures, work instructions, manufacturer’s specifications, product quality specifications, legislative requirements. 2 All work to be done in accordance with the requirements of the Health and Safety in Employment Act 1992, Building Act 2004, New Zealand Standard (NZS) 4223.3:1999 Code of practice for glazing in buildings – Human impact safety requirements, available at http://www.standards.co.nz. Outcomes and evidence requirements Outcome 1 Clean and prepare substrates for structural silicone glazing. Evidence requirements 1.1 Materials and equipment are checked against job specifications in accordance with worksite requirements. 1.2 Any oil, grease and soluble salts are removed from substrates using agents compatible with substrate finish in accordance with worksite requirements. 1.3 Any traces of cleaning agents are removed from substrate surfaces in accordance with worksite requirements. Building and Construction Industry Training Organisation SSB Code 101562 New Zealand Qualifications Authority 2016 NZQA Expiring unit standard 2045 version 7 Page 2 of 3 1.4 Surfaces are protected from contamination after cleaning and prior to application of sealant in accordance with worksite requirements. 1.5 Substrates are primed, where required, in accordance with worksite requirements. Range includes but is not limited to – primer is applied only to those areas which can be sealed within the same working day to avoid contamination after priming and prior to sealant application. 1.6 Sealant suitable for the application is selected in accordance with worksite requirements. 1.7 Preparation is completed without injury to personnel or damage to products and equipment in accordance with job specifications and worksite requirements. Outcome 2 Install glass and apply sealant. Evidence requirements 2.1 Glass is securely fixed to minimise movement and checked for re-contamination prior to sealant application in accordance with worksite requirements. 2.2 Primed surfaces are touch dry, masking tape is applied and all voids, gaps or joints are sealed in accordance with worksite requirements. 2.3 Sealant is tooled into voids, gaps or joints in accordance with worksite requirements. 2.4 Masking tape and any spills are removed without damage to, or contamination of, surfaces in accordance with worksite requirements. 2.5 Sealant is fully cured prior to movement of the frame or panel in accordance with worksite requirements. 2.6 Glass is installed without injury to personnel or damage to products and equipment in accordance with job specifications and worksite requirements. Outcome 3 Complete structural silicone glazing. Evidence requirements 3.1 Glazed frames or panels are weatherproofed, cleaned, and made free from residue in accordance with worksite requirements. 3.2 Operations are completed without injury to personnel or damage to products and equipment in accordance with job specifications and worksite requirements. Building and Construction Industry Training Organisation SSB Code 101562 New Zealand Qualifications Authority 2016 NZQA Expiring unit standard 2045 version 7 Page 3 of 3 3.3 Structural silicone glazing is tested for adhesion failure in accordance with worksite requirements. 3.4 Customer is advised of any relevant maintenance requirements in accordance with worksite requirements. Replacement information This unit standard and unit standard 26033 were replaced by unit standard 28772 This unit standard is expiring. Assessment against the standard must take place by the last date for assessment set out below. Status information and last date for assessment for superseded versions Process Version Date Last Date for Assessment Registration 1 11 June 1995 31 December 2017 Revision 2 5 February 1997 31 December 2017 Revision 3 20 December 1999 31 December 2017 Review 4 27 April 2004 31 December 2017 Review 5 21 May 2010 31 December 2017 Review 6 18 June 2015 31 December 2017 Rollover 7 15 October 2015 31 December 2020 Consent and Moderation Requirements (CMR) reference 0073 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. Building and Construction Industry Training Organisation SSB Code 101562 New Zealand Qualifications Authority 2016