23086 version 1
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Lay a gas pipe in a gas distribution network
Level
3
Credits
6
Purpose
People credited with this unit standard are able to: locate and identify
procedures, documentation, and equipment for laying a gas pipe; prepare to
lay gas pipe; lay gas pipe; and reinstate gas pipe laying site.
Subfield
Gas Industry
Domain
Gas Network Construction
Status
Registered
Status date
20 November 2006
Date version published
20 November 2006
Planned review date
31 December 2011
Entry information
Prerequisite: Unit 10992, Use pipe and cable locators in
a gas distribution network, or demonstrate equivalent
knowledge and skills.
Replacement information
This unit standard replaced unit standard 10977 and unit
standard 19548.
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 is not limited to, workplace assessment. The
range statements relate to enterprise specific equipment, procedures, and
processes.
 New Zealand Qualifications Authority 2016
23086 version 1
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2
The current version of the following documents must be complied with:
Health and Safety in Employment Act 1992;
NZS 5258:2003 Gas distribution networks available at http://www.standards.co.nz/;
Approved Code of Practice for Excavation and Shafts for Foundations, Department of
Labour, available at http://www.osh.govt.nz/.
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 laying a main and/or a service.
5
For this unit standard laying a gas pipe excludes site excavation, thrusting, drilling,
testing, connecting, and purging and excludes the jointing of pipe. These are
covered in separate unit standards.
6
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.
Elements and performance criteria
Element 1
Locate and identify procedures, documentation, and equipment for laying a gas pipe.
Performance criteria
1.1
Company procedures for laying a gas pipe are located and interpreted in
relation to specified job requirements.
1.2
Job instructions are confirmed in accordance with company procedures.
Range
1.3
Potential environmental and safety hazards are identified in accordance with
company procedures.
Range
1.4
may include – noise protection, site drainage, containment.
Gas pipe laying equipment, components, and materials are identified and
described in terms of type and function.
Range
1.5
instructions include – site location, utility plans and/or mark-outs,
consents, easements.
may include – pipe, tracer wire, excavation equipment, pipe
locator, anti-sheer sleeves, jointing equipment, riser, siphon,
temporary lighting, pipe supports, marker tape.
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.
 New Zealand Qualifications Authority 2016
23086 version 1
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1.6
Resource requirements are identified and sourced in accordance with company
procedures.
Range
plant, tools, materials, documentation, system components,
personnel, communication equipment.
Element 2
Prepare to lay gas pipe.
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,
other utilities.
2.2
Pipe laying equipment is prepared, handled, and positioned in accordance with
company procedures and manufacturer’s instructions.
2.3
Utility services in proposed route of pipe being installed are located in
accordance with company procedures and other utility requirements.
2.4
Mechanical plant and equipment are operated in accordance with
manufacturer’s instructions and company procedures.
2.5
Exposed underground plant is protected and supported to prevent damage in
accordance with company procedures and other utility requirements.
2.6
Preparation ensures that pipe is protected from damage in accordance with job
instructions, and company procedures.
Range
free of – obstructions, sharp undulations, sharp bends;
protected from – rock, irregular materials, corrosive soils.
2.7
Trench support system is inspected and confirmed as meeting worksite safety
requirements and the Code of Practice for Excavations and Shafts and
Confined Spaces.
2.8
Pipe is inspected for quantity and damage, ends are sealed, and pipe is placed
in specified position and supported in prelaying position in accordance with
company procedures.
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23086 version 1
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Element 3
Lay gas pipe.
Performance criteria
3.1
Gas pipe and (where applicable) tracer wire are installed in accordance with
company procedures.
Range
3.2
Pipe and fittings are handled in accordance with company procedures.
Range
3.3
installation may include – insertion, open trench.
includes but is not limited to – uncoiling, anti-shear sleeves.
Pipe is externally inspected in accordance with company requirements.
Range
inspect for – damage, tension limit, coating defects.
3.4
Damaged pipe and fittings are marked, removed, and replaced and are reported
in accordance with company procedures.
3.5
Pipe clearance from other plant is maintained in accordance with company
procedures and other utility operator’s requirements.
Element 4
Reinstate pipe laying site.
Performance criteria
4.1
Excavation is backfilled and compacted, and marker tape is installed in
accordance with company procedures.
4.2
Worksite is reinstated and made safe in accordance with company procedures.
4.3
Tools, equipment, and materials are removed from site in accordance with job
requirements and company procedures.
4.4
Equipment and materials left temporarily on site are stored safely and securely,
or arrangements are made for their collection 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.
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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