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DEMOLITION
Supervise demolition work
level:
5
credit:
15
planned review date:
November 2007
sub-field:
Civil Works and Services
replacement information:
This unit standard and unit standard 20213, unit standard
20214, and unit standard 20215 replaced unit standard
17322.
purpose:
People credited with this unit standard are able to: carry out
pre-demolition procedures; supervise demolition works; and
supervise site clean up, and removal of waste.
entry information:
Open.
accreditation option:
Evaluation of documentation and visit by NZQA and industry.
moderation option:
A centrally established and directed national moderation
system has been set up by Infrastructure ITO.
special notes:
1
Definition
company requirements - the policies, procedures, and
methodologies of the company, including requirements
documented in company and site health and safety
plans, quality assurance documents, and contract work
programmes.
2
The following legislation, codes, specifications, and
their subsequent amendments must be complied with:
Building Act 1991;
Hazardous Substances and New Organisms Act 1996;
Health and Safety in Employment Act 1992;
Heath and Safety in Employment (Asbestos)
Regulations 1998;
Health and Safety in Employment Regulations 1995;
Historic Places Act 1993;
Resource Management Act 1991;
Building Regulations 1992;
Explosives Regulations 1959;
Hazardous Substances (Fireworks, Safety Ammunition,
and Other Explosives Transfer) Regulations 2003;
Toxic Substances Regulations 1983;
 New Zealand Qualifications Authority 2016
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DEMOLITION
Supervise demolition work
New Zealand Statutes, Statutory Regulations and Local
and Private Acts can be found on the Interim Website of
New Zealand Legislation http://www.legislation.govt.nz
Approved Code of Practice for Demolition, 1994,
Occupational Safety and Health Service of the
Department of Labour;
Approved Code of Practice for the Safe Erection and
Use of Scaffolding, 1995, Occupational Safety and
Health Service of the Department of Labour;
Guidelines for the Management and Removal of
Asbestos, 1999, Occupational Safety and Health
Service of the Department of Labour;
Approved Code of Practice for the Management of
Substances Hazardous to Health (MOSHH) in the
Place of Work, 1997, Occupational Safety and Health
Service of the Department of Labour, contact
information for the Occupational Safety and Health
Service of the Department of Labour can be found on
their web site http://www.osh.govt.nz
BS: 6187:2000 Code of practice for demolition, contact
information for British Standards Institute can be found
on their web site http://www.bsi.org.uk/index.xalter
AS/NZS 4576:1995 Guidelines for scaffolding;
NZS 4203:1992 General Structural Design and Design
Loadings for Buildings;
NZS 6803:1999: Acoustics - Construction Noise,
contact information for Standards New Zealand can be
found on their web site
http://www.standards.co.nz/index.asp
AS 2601-2001 Demolition of Structures, contact
information for the Standards Australia and joint AS/NZ
standards can be found on the web site
http://www.standards.com.au/catalogue/Script/search.a
sp
Contract documents.
3
In the context of this unit standard demolition work
excludes underwater work, and the demolition of
bridges.
4
This unit standard does not qualify the holder to
undertake explosive work. Any explosive work involved
in demolition must be undertaken only by a certificated
construction blaster.
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DEMOLITION
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5
For scaffolding over 8 metres a scaffolding register
must be maintained in accordance with AS/NZ
4576:1995 Guidelines for scaffolding. Available from
Standards New Zealand at
http://www.standards.co.nz/index.asp
Elements and Performance Criteria
element 1
Carry out pre-demolition procedures.
performance criteria
1.1
Client is notified of demolition method and equipment in accordance with
contract requirements.
1.2
Work permit, and building consent are obtained and confirmed in accordance
with territorial and local authority, and company requirements.
1.3
The relevant authority is notified in accordance with legislative requirements.
Range:
1.4
may include but is not limited to - working at height, asbestos,
explosives;
evidence is required for at least two.
Person nominated to control demolition tasks is confirmed and training is
arranged in accordance with contract and company requirements.
element 2
Supervise demolition works.
performance criteria
2.1
Supervision ensures that services are disconnected and glass is removed prior
to commencement of works in accordance with company requirements.
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2.2
Supervision ensures that props, scaffolds, fencing, chutes, protective screens,
lighting, safety notices, and fire protection equipment comply with demolition
plan, legislation, and codes of practice.
2.3
Supervision ensures that dust and noise control measures are implemented in
accordance with the requirements of the Health and Safety in Employment Act
1992, NZS 6803:1999, territorial and local authority, and company
requirements.
2.4
Supervision ensures that the load-bearing capacity of floors is checked before
they are used as working platforms in accordance with company requirements.
2.5
Supervision ensures that plant and equipment are utilised in compliance with
the Approved Code of Practice for Demolition, 1994 (including Appendices A
and B).
2.6
Supervision ensures that access points are controlled by stop-and-go controller
in accordance with company requirements.
2.7
Supervision ensures that health hazards related to the presence of asbestos,
lead, toxic fumes, synthetic mineral fibres, polychlorinated biphenyl (PCB), and
silica are managed in accordance with legislative, and company requirements.
2.8
Supervision ensures that pitched roof trusses are removed in accordance with
the Approved Code of Practice for Demolition, 1994.
2.9
Supervision ensures that prestressed concrete structures are demolished in
accordance with the Approved Code of Practice for Demolition, 1994.
Range:
two of - cantilevered structure, suspended structure, structures
progressively stressed during construction, precast members
stressed together once erected, shell, ring beam, tension ties,
stressed tank.
element 3
Supervise site clean up, and removal of waste.
performance criteria
3.1
Supervision ensures that site is cleared of demolition waste throughout the
process of demolition, and that waste does not impede or endanger the works
in accordance with company requirements.
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3.2
Supervision ensures that general demolition waste is transported and disposed
of in accordance with territorial and local authority, and company requirements.
3.3
Supervision ensures that a permit is obtained for any hazardous substances to
be disposed of in accordance with legislative requirements.
3.4
Supervision ensures that hazardous substances are transported and disposed
of in accordance with legislative, territorial and local authority, and company
requirements.
Comments on this unit standard
Please contact Infrastructure ITO askus@infratrain.co.nz if you wish to suggest changes
to the content of this unit standard.
Please Note
Providers must be accredited by the Qualifications Authority or a delegated interinstitutional body before they can register 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 providers wishing to
develop education and training programmes, such as minimum qualifications for tutors and
assessors, and special resource requirements.
This unit standard is covered by AMAP 0101 which can be accessed at
http://www.nzqa.govt.nz/framework/search/index.do.
 New Zealand Qualifications Authority 2016