Fix underlay for concrete roof tiles




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1687 version 4

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Fix underlay for concrete roof tiles


Level

4

Credits

4


Purpose People credited with this unit are able to: demonstrate knowledge of the composition and use of underlays commonly used on a concrete tile roof; lay underlay for a concrete tiled roof; and maintain a safe working environment.


Subfield

Plumbing, Gasfitting and Drainlaying

Domain

Roofing

Status

Registered

Status date

27 October 2006

Date version published

22 August 2008

Planned review date

30 April 2013

Entry information

Open.

Accreditation

Evaluation of documentation and visit by NZQA and industry.

Standard setting body (SSB)

The Skills Organisation

Accreditation and Moderation Action Plan (AMAP) reference

0227

This AMAP can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Special notes
1 Legislation relevant to this unit standard includes but is not limited to the Health and Safety in Employment Act 1992, and the Building Act 2004.
2 Performance must comply with current legislation, regulations, and codes. For more detailed information about which regulations and codes are relevant, please refer to the assessors’ page of The Skills Organisation Ltd website http://www.skills.org.nz. New Zealand Standard (NZS) 4206:1992 Concrete interlocking roofing tiles which is within this unit standard is available from http://www.standards.co.nz.
3 Definitions

Company requirements include the policy, procedures, and methodologies of the company. They include requirements documented in company and site health and safety plans, quality assurance documents, and contract work programmes;

Site procedures refer to the procedures which are required to be observed for safe work practices at a particular site;

Job specifications refer to the documented information found in construction drawings, project specification documents, legislation, regulations, and codes;

Manufacturers’ recommendations refer to product information and product data sheets provided by the manufacturer of any given product.
4 This unit standard applies to both new roof and re-roofing installation.
Elements and performance criteria
Element 1
Demonstrate knowledge of the composition and use of underlays commonly used on a concrete tile roof.
Performance criteria
1.1 The types of underlay commonly used are identified, and the characteristics of each are described in terms of the manufacturer’s recommendations.
1.2 The implications of non or incorrect use of underlay are explained with respect to adverse consequences on the performance of the roof.
1.3 Situations where underlay must be used to conform to the requirements of NZS 4206:1992 are identified and explained to illustrate the reasons for its use.
Element 2
Lay underlay for a concrete tiled roof.
Performance criteria
2.1 The underlay manufacturer’s durability statement is checked to confirm compliance with job specifications.
2.2 Underlay is laid and fixed in accordance with the requirements of NZS 4206:1992, or the job specification where its requirements exceed those of the standard, in accordance with company requirements.
2.3 Underlay damaged during roofing activity is repaired or replaced in accordance with the requirements of NZS 4206:1992 or the requirements of the job specification where they exceed those of the standard, in accordance with company requirements.
2.4 Underlay finishes are formed in accordance with job specifications and company requirements.
Element 3
Maintain a safe working environment.
Performance criteria
3.1 Work practices are carried out without injury to people or damage to equipment, building, or plant, in accordance with legislation, regulations, codes, health and safety in employment guidelines, and company requirements.
3.2 Personal protective equipment for the task at hand is selected and worn in accordance with manufacturers’ recommendations.
Range includes but is not limited to – hard hat, sunblock, ear muffs, safety glasses, gloves, knee pads, high visibility clothing, safety harness.
3.3 Work area is cordoned off and safety notices and notification of work signs are distributed and erected, in accordance with site procedures.
3.4 Work area is kept clear of debris and unnecessary items in accordance with site procedures.
Please note
Providers must be accredited by the Qualifications Authority, 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 the Qualifications Authority 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 Skills Organisation info@skills.org.nz if you wish to suggest changes to the content of this unit standard.

Ó New Zealand Qualifications Authority 2016


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