18415 version 2
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Demonstrate knowledge of gas filtration, and gas filtration and ancillary
equipment, in the gas transmission industry
Level
3
Credits
3
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
gas filtration and gas filtration equipment in a gas transmission environment,
and the ancillary equipment required for gas filtration 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 note
Definition
Company procedures refer to the documented methods for performing work activities and
include health and safety, environmental, site requirements, and quality management
requirements. They may refer to manuals, codes of practice, or policy statements.
 New Zealand Qualifications Authority 2016
18415 version 2
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Elements and performance criteria
Element 1
Demonstrate knowledge of gas filtration and gas filtration equipment in a gas transmission
environment.
Range
dust filters, element filters, coalescing filters, scrubbers and filter separators, inline instrument filters.
Performance criteria
1.1
The purpose of gas filtration is described.
Range
may include but is not limited to – contaminants, oil, pipe-scale,
construction debris, customer requirements, protection of
downstream equipment, moisture.
1.2
Types of gas filtration equipment are identified.
1.3
The function of each component of gas filtration equipment is described in
accordance with manufacturer’s instructions.
Range
1.4
may include but is not limited to – lid, body, vents or drains,
elements, gaskets or seals, liquid traps.
Application of gas filtration equipment is described in relation to system
requirements.
Range
system requirements – principal of operation, product
compatibility, size, ancillary equipment requirements.
Element 2
Demonstrate knowledge of the ancillary equipment required for gas filtration equipment.
Performance criteria
2.1
Pipe-work configurations used to allow maintenance of ancillary equipment for
gas filtration are described in terms of manufacturer’s instructions.
Range
2.2
valving, bypass or isolate, in service or standby.
The process used to monitor ancillary equipment is described in accordance
with company procedures.
Range
may include but is not limited to – differential pressure devices,
gauges, alarms, level indicators or transmitters, sump tanks.
 New Zealand Qualifications Authority 2016
18415 version 2
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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