25607 version 1
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Demonstrate knowledge of flow stopping equipment and operations in a
gas distribution network
Level
3
Credits
6
Purpose
People credited with this unit standard are able to demonstrate knowledge of
types of flow stopping equipment, and describe flow stopping operations in a
gas distribution network.
Subfield
Gas Industry
Domain
Gas Network Construction
Status
Registered
Status date
21 May 2010
Date version published
21 May 2010
Planned review date
31 December 2015
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
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:
Gas Act 1992;
Health and Safety in Employment Act 1992;
Gas Regulations 1993;
NZS 5258:2003 Gas distribution networks available at http://www.standards.co.nz.
 New Zealand Qualifications Authority 2016
25607 version 1
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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
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
Demonstrate knowledge of types of flow stopping equipment.
Range
isolation valves, squeeze off, stopple, flow stopping bags.
Performance criteria
1.1
Types of flow stopping equipment are physically identified and described in
terms of their function and gas industry application.
Range
1.2
pipe size, pressure, type of main, condition of main.
Components and features of flow stopping equipment are identified and defined
in terms of their function.
Element 2
Describe flow stopping operations in a gas distribution network.
Performance criteria
2.1
Flow stopping is described in terms of principles of operation.
Range
isolation valves, squeeze off, stopple, flow stopping bags.
2.2
Standard flow stopping operations are described in terms of potential hazards
of incorrect application of equipment, and the steps to avoid them are described
in accordance with company procedures.
2.3
Emergency flow stopping operations are described 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.
 New Zealand Qualifications Authority 2016
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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