25314 version 1
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Control excavations near a gas transmission pipeline system
Level
4
Credits
4
Purpose
This unit standard is for people working, or intending to work, in the gas
transmission industry.
People credited with this unit standard are able to: demonstrate knowledge of
procedures and resource requirements for excavating near a gas
transmission pipeline system; locate and identify gas transmission pipelines
and services; control excavation near gas transmission pipelines; control
excavation to expose gas transmission pipelines; complete reporting and
documentation requirements for excavation near gas transmission pipelines.
Subfield
Gas Industry
Domain
Gas Transmission Operations
Status
Registered
Status date
22 May 2009
Date version published
22 May 2009
Planned review date
31 December 2014
Entry information
Open.
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
Performance of the elements of this unit standard must comply with relevant site
requirements, and the following legislation and code:
Health and Safety in Employment Act 1992;
Resource Management Act 1991;
Approved Code of Practice for Safety in Excavation and Shafts for Foundation
(Wellington: Department of Labour, 1995) available from the Occupational Safety and
Health service at http://www.osh.dol.govt.nz/order/catalogue/135.shtml.
 New Zealand Qualifications Authority 2016
25314 version 1
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2
Range
This unit standard covers excavations within: a station, a pipeline easement, or three
metres of a pipeline for all other pipelines; single and multiple pipelines.
3
Definitions
Company procedures refer to the documented methods for performing work activities
and include health and safety, environmental, quality management requirements and
site requirements. They may refer to manuals, codes of practice, or policy
statements.
Near refers to anything inside the safety zone and/or easement of the pipeline.
PPE refers to personal protective equipment.
Elements and performance criteria
Element 1
Demonstrate knowledge of procedures and resource requirements for excavating near a
gas transmission pipeline system.
Performance criteria
1.1
Company procedures for excavating near high pressure gas transmission
pipelines are located, and instructions and specifications are interpreted in
terms of the job requirements.
Range
instructions and specifications may include but are not limited to –
site location, work instructions, site access, site conditions,
pipeline plans, utility plans, work permit, territorial authority
consents, notifiable works.
1.2
Job requirements and location of work are confirmed in accordance with
company procedures.
1.3
Reasons for excavating near gas transmission pipelines are explained in
relation to site specific application.
1.4
Consequences of incorrect excavation and the steps to avoid it are described in
accordance with company procedures.
Range
1.5
may include but is not limited to – supply interruption, personal
harm and equipment damage, environmental impact.
Resource requirements are identified and sourced in accordance with company
procedures.
Range
includes but is not limited to – pipe locater, probe, shovel, warning
tape, tools, PPE, marking paint, communication equipment,
machinery.
 New Zealand Qualifications Authority 2016
25314 version 1
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Element 2
Locate and identify gas transmission pipelines and services.
Performance criteria
2.1
Potential hazards are identified at the work site before excavation commences.
Range
gas testing, environmental issues, confined space, access,
egress.
2.2
Pipelines are located, and their depth is determined in accordance with
company procedures.
2.3
Services are located and identified, and are marked out as required in
accordance with company procedures.
Element 3
Control excavation near gas transmission pipelines.
Performance criteria
3.1
Pipelines are positively identified with probe.
3.2
Pipelines are protected by maintaining safe clearances around the pipeline in
accordance with company procedures.
Element 4
Control excavation to expose gas transmission pipelines.
Performance criteria
4.1
Pipelines are positively identified with probe.
4.2
Pipelines are protected by maintaining safe clearances around the pipeline in
accordance with company procedures.
4.3
Final exposure of pipelines is carried out by hand ensuring no damage occurs
to pipe coating.
4.4
On-site safety is ensured during excavation in accordance with company
procedures.
Range
adequate ventilation, trench stability, access and egress, trench
wall loading, vehicle movement, water damage, securing of
trench, warning signs, barricading.
 New Zealand Qualifications Authority 2016
25314 version 1
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4.5
Backfilling is supervised in accordance with company procedures.
Range
shading, rock shield, warning tape, compaction, seeding.
Element 5
Complete reporting and documentation requirements for excavation near gas transmission
pipelines.
Performance criteria
5.1
Information is communicated to other parties, internal and external, in
accordance with company procedures.
Range
5.2
may include but is not limited to – special conditions, completion
notice, additional work, photographs, survey, as built drawings.
Records and documents are completed and processed in accordance with
company procedures.
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.
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