9541 version 4
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Use acoustical leak detection equipment on a gas transmission pipeline
system
Level
4
Credits
2
Purpose
This unit standard is for people working, or intending to work, in the gas
transmission industry.
People credited with this unit standard are, on a gas transmission pipeline
system, able to: locate and describe procedures and resource requirements
for using an acoustical leak detector; use acoustical leak detection
equipment; and complete documentation requirements for using acoustical
leak detection equipment.
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 standard:
Health and Safety in Employment Act 1992;
Health and Safety in Employment (Pipelines) Regulations 1999;
Resource Management Act 1991;
NZS/AS 2885.1:1997 Pipelines – Gas and liquid petroleum – Design and
construction.
 New Zealand Qualifications Authority 2016
9541 version 4
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2
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.
PPE refers to personal protective equipment.
Elements and performance criteria
Element 1
Locate and describe procedures and resource requirements for using an acoustical leak
detector on a gas transmission pipeline system.
Performance criteria
1.1
Company procedures for using an acoustical leak detector are located, and
instructions and specifications are interpreted in terms of the job requirements.
1.2
Job instructions and system specifications are confirmed in accordance with
company procedures.
Range
1.3
Reasons for using an acoustical leak detector are described in terms of work
instructions and specifications.
Range
1.4
scope, probe, earphone, listening points.
Potential hazards resulting from incorrect application and operation of
equipment, and the steps to avoid those hazards, are described in terms of
company procedures.
Range
1.6
leaks, pig tracking, noise indication.
Acoustical leak detection equipment is described in terms of its purpose and in
accordance with manufacturer's specifications.
Range
1.5
instructions and specifications include but are not limited to – site
location, work instructions, current test certificates, identification
tags, equipment operating instructions.
hazards may include but are not limited to – interference from
other sources, hazardous area classification.
Resource requirements are located and/or sourced in accordance with
company procedures.
Range
plant, tools, PPE, materials, documentation, personnel,
communication equipment.
 New Zealand Qualifications Authority 2016
9541 version 4
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Element 2
Use acoustical leak detection equipment on a gas transmission pipeline system.
Performance criteria
2.1
Conditions are assessed to determine the need to use acoustical leak detection
equipment in accordance with company procedures.
2.2
Acoustical leak detection equipment relevant to the site specific conditions is
selected in accordance with company procedures.
2.3
Acoustical leak detection equipment is operated in accordance with
manufacturer's instructions.
Range
battery level indication, calibration.
Element 3
Complete documentation requirements for using acoustical leak detection equipment on a
gas transmission pipeline system.
Performance criteria
3.1
Information is communicated to other parties, internal and external, in
accordance with company procedures.
Range
3.2
information may include but is not limited to – special conditions,
completion notice, additional work, photographs, survey, as built
drawings.
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.
 New Zealand Qualifications Authority 2016
9541 version 4
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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