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Make temporary repairs of gas escapes in a gas distribution network
Level
3
Credits
5
Purpose
People credited with this unit standard are able to: locate and identify
procedures, documentation, and equipment for temporary repairs to gas
networks; prepare for and make temporary repair; reinstate site, and
complete reporting and documentation.
Subfield
Gas Industry
Domain
Gas Network Operations
Status
Registered
Status date
20 November 2006
Date version published
20 November 2006
Planned review date
31 December 2011
Entry information
Prerequisites: National Certificate in Gas Industry (Gas
Distribution) (Level 2) [Ref: 1020], and Unit 12507, Use
gas leakage detection equipment on reticulated gas
networks; and either Unit 3272, Wear and operate
breathing apparatus in general emergencies, or Unit
12526, Use fresh air distance breathing apparatus in a
gas distribution network; or demonstrate equivalent
knowledge and skills.
Replacement information
This unit standard replaced unit standard 12506.
Accreditation
Evaluation of documentation and visit by NZQA and
industry.
Standard setting body (SSB)
NZ Motor Industry Training Organisation (Incorporated)
(MITO)
Accreditation and Moderation Action Plan (AMAP) reference
0114
This AMAP can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Special notes
1
This unit standard is intended for, but not limited to, workplace assessment. The
range statements relate to enterprise specific equipment, procedures, and
processes.
2
The current version of the following documents must be complied with:
 New Zealand Qualifications Authority 2016
19549 version 2
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Gas Act 1992;
Health and Safety in Employment Act 1992.
3
All work practices must comply with regulations and codes of practice pertaining to
the gas industry. A full list of applicable regulations and codes is available from the
NZ Motor Industry Training Organisation (Incorporated) (MITO).
4
Evidence is required of temporary repairs above ground and below ground.
5
Definition
Company procedures means the documented methods for performing work activities
and include health and safety, environmental, and quality management requirements.
They may refer to manuals, codes of practice, or policy statements.
Temporary repair refers to making safe in an emergency situation. Examples of this
include but are not limited to isolating a regulator stream, clamping, crimping, and
wrapping.
Elements and performance criteria
Element 1
Locate and identify procedures, documentation, and equipment for temporary repairs to
gas networks.
Performance criteria
1.1
Company procedures for temporary repairs to gas networks are located and
interpreted in relation to specified job requirements.
1.2
Job instructions are confirmed in accordance with company procedures.
Range
instructions may include – site location, utility plans and/or markouts, consents, easements.
1.3
Potential environmental and safety hazards are identified in accordance with
company procedures.
1.4
Equipment, components, and materials for temporary repairs to gas networks
are identified and described in terms of type and function.
Range
jointing media, collars, clamps, sleeves, jointing rings, couplings,
bolts, fittings, wrapping, specialist tools.
1.5
Equipment is described in terms of potential hazards of incorrect application
and operation, and the steps to avoid them are described in accordance with
company procedures.
1.6
Resource requirements are identified and sourced in accordance with company
procedures.
Range
plant, tools, materials, documentation, system components,
personnel, communication equipment.
 New Zealand Qualifications Authority 2016
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Element 2
Prepare for and make temporary repair.
Performance criteria
2.1
Safety hazards are identified, and isolated, removed, or minimised in
accordance with company procedures.
Range
may include – signage, barriers, personal protective equipment,
safe access and egress, fire, explosion, asphyxiation, temporary
traffic control, environmental protection, excavations, gas escapes.
2.2
Equipment and fittings are checked for size and prepared in accordance with
company procedures and manufacturer’s instructions.
2.3
Pipeline is cleaned and prepared in accordance with company procedures and
site requirements.
Range
2.4
Repairs are made in accordance with company procedures.
Range
2.5
may include – cast iron, polyethylene, steel, nylon, fibrolite.
may include but is not limited to – crimp, jointing, anaerobic
sealant methods, caulking repairs, leak clamping, temporary
wrapping.
Repair is tested for soundness in accordance with company procedures.
Range
soap test, liquid leak detection, gas detection equipment.
Element 3
Reinstate site.
Performance criteria
3.1
Equipment and materials left temporarily on site are stored safely and securely,
or arrangements are made for their collection in accordance with company
procedures.
3.2
Tools, equipment, and materials are removed from site in accordance with job
requirements and company procedures.
3.3
Worksite is reinstated and made safe in accordance with company procedures.
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Element 4
Complete reporting and documentation.
Performance criteria
4.1
Information is communicated to other parties, both internal and external, in
accordance with company procedures.
Range
4.2
may include but is not limited to – special conditions, completion
notice, additional work.
Records and documents are completed and processed in accordance with
company 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 NZ Motor Industry Training Organisation (Incorporated) (MITO)
info@mito.org.nz if you wish to suggest changes to the content of this unit standard.
 New Zealand Qualifications Authority 2016