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Describe torch on roof membrane preparation and installation
procedures
Level
3
Credits
10
Purpose
People credited with this unit standard are able to describe: project planning
activities; plywood substrate laying requirements; substrate and preinstallation preparation; safety procedures prior to installation; laying
requirements; and the process of taping and flashing joins and penetrations
for torch on roof membrane installations.
Subfield
Plumbing, Gasfitting and Drainlaying
Domain
Roofing
Status
Registered
Status date
23 January 2009
Date version published
23 January 2009
Planned review date
31 December 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 – Health and
Safety in Employment Act 1992, Building Act 2004.
2
The following applicable document is available for download on the Department of
Building and Housing website: http://www.dbh.govt.nz/
– Building Code compliance document Clause E2, containing Acceptable Solution
E2/AS1 for External Moisture.
 New Zealand Qualifications Authority 2016
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3
The New Zealand Building Code (NZBC) is a schedule to the Building Regulations
1992. It provides requirements for compliance with the Building Act 2004 when
constructing a new building or altering an existing one. The Building Code sets out
performance standards that building work must meet and covers aspects such as
structural stability, fire safety, access, moisture control, durability, and services and
facilities.
4
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.
Job specifications – refer to the documented information found in construction
drawings, project specification documents, legislation, regulations and codes.
Manufacturer recommendations – refer to product information and product data
sheets provided by the manufacturer of any given product.
Notifiable work is as defined in A Guide to the Health and Safety in Employment Act
1992 (Wellington: Department of Labour, 2003); available at
http://www.osh.govt.nz/order/catalogue.
Site procedures – refer to the procedures which are required to be observed for safe
work practices at a particular site.
5
This unit standard may be assessed against off-job.
Elements and performance criteria
Element 1
Describe project planning activities for torch on roof membrane installation.
Performance criteria
1.1
The function of the plans and specifications is described in relation to a job
sheet, material schedule, and work schedule.
1.2
A work schedule is prepared for a torch on roof membrane job in accordance
with job specifications.
1.3
Notifiable work activities and procedures relevant to torch on roof membrane
are identified and described in accordance with Department of Labour
requirements.
1.4
Work area cordons, safety notices, and notification of work signs are described
in accordance with site procedures.
1.5
The purpose of an initial site meeting is described in terms of job organisation.
 New Zealand Qualifications Authority 2016
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Element 2
Describe plywood substrate laying requirements for torch on roof membrane.
Performance criteria
2.1
Plywood substrate laying requirements are described in accordance with the
NZBC.
Range
joins, grain, fixing.
Element 3
Describe the substrate and pre-installation preparation for torch on roof membrane.
Performance criteria
3.1
Plywood substrate checks are described in terms of ensuring readiness for
torch on membrane in accordance with manufacturer recommendations and the
NZBC.
3.2
Concrete substrate checks are described in terms of ensuring readiness for
torch on membrane in accordance with membrane manufacturer
recommendations.
3.3
Compressed cement board substrate checks are described in terms of ensuring
readiness for torch on membrane in accordance with membrane manufacturer
recommendations.
3.4
Materials checks are described in accordance with company requirements.
3.5
Substrate joint taping is described in accordance with membrane manufacturer
recommendations.
3.6
Installation of substrate ventilation is described in accordance with membrane
manufacturer recommendations.
3.7
Measures to rectify any substrate defects are described in accordance with
membrane manufacturer recommendations and company requirements.
Element 4
Describe safety procedures prior to installing torch on roof membrane.
Performance criteria
4.1
Dangerous goods and materials are identified and procedures and checks for
their management are described in accordance with relevant legislative
requirements and site procedures.
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Element 5
Describe torch on roof membrane laying requirements.
Performance criteria
5.1
The function of substrate primer is described in accordance with manufacturer
recommendations.
5.2
Placement and torching of the membrane layers is described in accordance
with manufacturer recommendations and company requirements.
5.3
The lap bonding process is described in accordance with membrane
manufacturer recommendations.
Element 6
Describe the process of taping and flashing torch on roof membrane joins and
penetrations.
Performance criteria
6.1
External corner flashing details are described in accordance with the NZBC.
6.2
Pipe penetration flashing is described in accordance with the NZBC.
Range
new, existing pipes.
6.3
A membrane to concrete wall junction is described in accordance with the
NZBC and membrane manufacturer recommendations.
6.4
Membrane gutter details are described in accordance with the NZBC.
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.
 New Zealand Qualifications Authority 2016
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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.
 New Zealand Qualifications Authority 2016