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Install, commission, and maintain electronic gas flow correctors
Level
4
Credits
8
Purpose
People credited with this unit standard are able to: locate and identify
procedures, documentation, and equipment to install, maintain, and
commission electronic gas flow correctors; prepare, install, and commission
electronic gas flow corrector; maintain electronic gas flow corrector; reinstate
site; and complete reporting and documentation.
Subfield
Gas Industry
Domain
Gas Measurement
Status
Registered
Status date
20 November 2006
Date version published
20 November 2006
Planned review date
31 December 2011
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 is 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:
Health and Safety in Employment Act 1992;
Resource Management Act 1991;
Approved Code of Practice for Excavation and Shafts for Foundations;
NZS 5258:2003 Gas distribution networks available at http://www.standards.co.nz/;
NZS 5259:2004 Gas measurement available at http://www.standards.co.nz/.
 New Zealand Qualifications Authority 2016
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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
Locate and identify procedures, documentation, and equipment to install, commission, and
maintain electronic gas flow correctors.
Performance criteria
1.1
Company procedures to install, commission, and maintain electronic gas flow
correctors are located and interpreted in relation to specified job requirements.
Range
1.2
may include – job specific written procedure, manufacturer’s
instructions, operating manuals.
Job instructions are confirmed in accordance with company procedures.
Range
may include – site location, utility plans, hot work permit, work
orders, test labels and certificates, customer liaison, consents,
authorisation.
1.3
Potential environmental and safety hazards are identified in accordance with
company procedures.
1.4
Corrector equipment, components, and materials are identified and described in
terms of type and function.
Range
type may include – power source, tubing, wiring, fittings, gaskets,
test equipment, reference gauges, computer, hand held terminal,
valves, transducers, pressure and temperature points, scada
connection;
function may include – pressure, temperature, Z factor, type of
meter, input, output, auxiliary input, auxiliary output.
1.5
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.
1.6
Resource requirements are identified and sourced in accordance with company
procedures.
Range
plant, tools, materials, documentation, system components,
personnel, safety watches, communication equipment.
 New Zealand Qualifications Authority 2016
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Element 2
Prepare, install, and commission electronic gas flow corrector.
Performance criteria
2.1
Safety hazards are identified, and isolated, removed, or minimised in
accordance with company procedures.
Range
2.2
Corrector and fittings are prepared, handled, and positioned in accordance with
company procedures and manufacturer’s instructions.
Range
2.3
correct location (multiple meters), gas flow direction, drive plate
orientation, seals, temperature and pressure points.
Corrector’s parameters are checked in accordance with job requirements and
manufacturer’s instructions.
Range
2.4
may include – personal protective equipment, safe access and
egress, hazardous areas, gas escape, fire, explosion,
asphyxiation, other utilities equipment, environmental protection.
may include but is not limited to – fixed factor, scale factors, clock
settings, battery voltage, wakeup times, alarms, site, customer,
altitude, input, output.
Corrector is installed and commissioned in accordance with company
procedures and manufacturer’s instructions.
Range
leak detection, pressure setting, temperature setting, alarms,
wriggler meshing, time, date, download.
Element 3
Maintain electronic gas flow corrector.
Performance criteria
3.1
Corrector is inspected in accordance with company procedures and
manufacturer’s instructions.
Range
3.2
may include – soundness, water ingress, readability, corrosion,
seals.
Integrity checks on electronic gas flow corrector are carried out in accordance
with company procedures and manufacturer’s instructions.
Range
may include – base volume index, reference pressure, reference
temperature, download, readings, electronic correction factor,
manual correction factor, battery condition and voltage,
compressibility, pulse input scale factors or K factors.
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3.3
Replacement components or component parts of electronic gas flow correctors
are installed and checked in accordance with manufacturer’s instructions.
Element 4
Reinstate site.
Performance criteria
4.1
Equipment and materials left temporarily on site are stored safely and securely,
or arrangements are made for their collection in accordance with company
procedures.
4.2
Tools, equipment, and materials are removed from site in accordance with job
requirements and company procedures.
4.3
Worksite is reinstated and made safe in accordance with company procedures.
Element 5
Complete reporting and documentation.
Performance criteria
5.1
Information is communicated to other parties, both internal and external, in
accordance with company requirements.
Range
5.2
may include but is not limited to – readings, downloaded data,
special conditions, completion notice, additional work.
Records and documents are completed and processed 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.
Accredited providers and Industry Training Organisations assessing against unit standards
must engage with the moderation system that applies to those standards.
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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