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DEMOLITION
Investigate and plan demolition work
level:
5
credit:
10
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 20216 replaced unit standard
17322.
purpose:
People credited with this unit standard are able to: carry out
pre-demolition investigation of buildings or structures; carry
out pre-demolition investigation of site; and prepare
demolition plans.
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
Definitions
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;
preparation of plans - refers to the documentation of:
 pre-demolition investigations of buildings or
structures and site
 requirements and procedures related to the
demolition process
 hazard identification and risk assessment process
 procedures for the management of identified
hazards and risks
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 dust and noise control procedures
 site protection, access, and security.
It also includes the collation of required supporting
documentation which does not need to be written by the
person being assessed. Where documentation is
required but not available the person being assessed
may produce the information if it is appropriate for them
to do so. eg traffic management plans, environmental
management plans and occupational health and safety
systems, or they may need to source the information
from a third party. eg engineers’ reports and territorial
and local authority records.
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;
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 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;
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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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Elements and Performance Criteria
element 1
Carry out pre-demolition investigation of buildings or structures.
performance criteria
1.1
Building or structure materials are investigated in accordance with AS 26012001.
Range:
includes but is not limited to - presence of hazardous substances,
age, condition.
1.2
The structure and structural system are investigated in accordance with AS
2601-2001.
1.3
The elements and members essential for maintaining stability are investigated
in accordance with AS 2601-2001.
Range:
1.4
The type, extent, and status of services within buildings or structures are
investigated in accordance with AS 2601-2001.
Range:
1.5
includes but is not limited to - electrical, gas, mechanical,
plumbing, drainage.
Features of the structure which will influence the selection of demolition
equipment, or method of demolition are investigated in accordance with AS
2601-2001.
Range:
1.6
includes but is not limited to - vertical loads, horizontal loads.
includes but is not limited to - strength, construction, confined
spaces, underground structures.
Special structures are checked for type of structural framework in accordance
with AS 2601-2001.
Range:
may include but is not limited to - precast concrete tilt slab, framed
structure of precast concrete, column-beam construction, prestressed concrete structure, bridge, steel structure;
evidence is required for at least three.
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element 2
Carry out pre-demolition investigation of site.
performance criteria
2.1
The type, location, status, and extent of underground services are investigated
in accordance with AS 2601-2001, and company requirements.
Range:
2.2
The type, location, status, and extent of services above the surface are
investigated in accordance with AS 2601-2001 and company requirements.
Range:
2.3
electrical, gas, telecommunications, mechanical, plumbing,
drainage.
electrical, gas, telecommunications.
The type, location, and status of underground structures are investigated in
accordance with AS2601-2001, and company requirements.
Range:
may include but is not limited to - carparks, storage tanks,
basements;
evidence is required for at least one.
2.4
Condition of adjacent buildings, retaining structures, and supports are checked
and recorded in accordance with AS 2601-2001, and company requirements.
2.5
Adjacent buildings are checked for presence of asbestos; explosives; toxic,
radioactive, and flammable substances; and underground tanks in accordance
with company requirements.
element 3
Prepare demolition plans.
performance criteria
3.1
Demolition plans identify the location of the site in accordance with territorial
and local authority records.
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3.2
Demolition plans identify the features relating to the building or structure in
accordance with AS 2601-2001.
Range:
3.3
Demolition plans provide a description of the requirements and procedures
related to demolition in accordance with AS 2601-2001.
Range:
3.4
proposed methods of demolition and equipment required,
proposed sequence of demolition, estimated time in days to
complete all or each stage of the project.
Demolition plans provide a description of the hazard identification and risk
assessment process, and procedures for the management of identified hazards
and risks in accordance with legislation, codes of practice, contract
specifications, company requirements, and AS 2601-2001.
Range:
3.5
height of the building above ground, least distance from the
structure to each site boundary, description of the type of building
or structure.
includes but is not limited to - safety of the public, staff and others
operating on the site.
Demolition plans include all required plans, illustrations, and documents in
accordance with legislation, codes, specifications, company requirements, and
AS 2601-2001.
Range:
may include but is not limited to - traffic management plans,
environmental management plans, occupational health and safety
systems, engineers’ reports, territorial and local authority records;
plans must include evidence of at least two documents.
3.6
Demolition plans describe dust and noise control procedures in accordance with
the requirements of the Health and Safety in Employment Act 1992, territorial
and local authority, and company requirements.
3.7
Demolition plans describe site protection, access, and security in accordance
with 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.
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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