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Plan and design a gas network system
Level
5
Credits
10
Purpose
People credited with this unit standard are able to identify and evaluate the
need for gas network system design, and produce design plans for a gas
network system.
Subfield
Gas Industry
Domain
Gas Network Planning and Development
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;
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/
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).
 New Zealand Qualifications Authority 2016
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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
Identify and evaluate the need for gas network system design.
Range
new, replacement, extension, reinforcement.
Performance criteria
1.1
Existing and future network requirements for gas supply are identified and
recorded in accordance with company procedures.
1.2
Feasibility of meeting identified potential load requirements through a network is
determined in accordance with company procedures.
1.3
Factors influencing network extension decisions are identified and evaluated to
determine practicality of extension in accordance with company procedures.
Range
1.4
gas availability, economics, distance, demand, routing.
Existing network system performance is analysed to identify design
requirements for replacement or reinforcement in accordance with company
procedures.
Element 2
Produce design plans for a gas network system.
Performance criteria
2.1
Design specifications for gas network extensions are produced in accordance
with company procedures and NZS 5258.
Range
Regulator and Gate Station requirements, statutory
considerations, overall design requirements, construction
considerations, welding and jointing, strength and soundness
testers, commissioning and recommissioning, alterations to live
mains and services, corrosion protection, system monitoring,
maintenance and records, materials, pressure ratings, loads,
pressure losses, velocities, system capacity, system size, diversity
factor.
 New Zealand Qualifications Authority 2016
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2.2
Design specifications for gas network extensions include other relevant
considerations in accordance with company procedures.
Range
2.3
Network routing considerations are identified and the route is planned in
accordance with company procedures.
Range
2.4
locations layouts and routes, definitions and glossary of terms.
Produced design plan is filed and is available to authorised users in accordance
with company procedures.
Range
2.8
time allowed, availability of resources, costs involved.
Produced design plans for gas network extensions are in the approved format
and style in accordance with company procedures.
Range
2.7
economics, easements, local authority requirements, other utilities.
Logistical requirements, including timetables for deliverables, are identified and
planned in accordance with company procedures.
Range
2.6
economics, availability of route, easements, local authority
requirements, other utilities.
Equipment siting considerations are identified and their placement is planned in
accordance with company procedures.
Range
2.5
aesthetics, disposal, life time of system, manufacturability,
compatibility with existing system, upgrade potential, availability of
materials, environmental considerations, security.
authorised users – customers, manufacturers, management,
technical experts.
Produced design specifications for gas network extensions are distributed to
authorised personnel promptly on completion of design, and an up-to-date
register of specification holders is maintained 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.
 New Zealand Qualifications Authority 2016
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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