9550 version 4
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Perform basic pipe wrapping on a steel pipeline
Level
4
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, on a steel pipeline, able to:
demonstrate knowledge of methods of pipe preparation and wrapping;
evaluate pipework condition, select repair method, and formulate a
maintenance plan; and wrap and reinstate pipework.
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
9550 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, site requirements, and quality
management requirements. They may refer to manuals, codes of practice, or policy
statements.
Material Safety Data Sheet (MSDS) refers to an informational document provided by
the manufacturer regarding the safety and handling procedures and precautions for
materials used in the workplace.
PPE refers to personal protective equipment.
Elements and performance criteria
Element 1
Demonstrate knowledge of methods of pipe preparation and wrapping on a steel pipeline.
Performance criteria
1.1
Reasons for pipe wrapping are explained in relation to steel pipelines.
Range
1.2
Pipe wrapping coating types are identified in terms of site and job specific
application.
Range
1.3
cathodic protection, corrosion protection, mechanical protection.
coal tar enamel, extruded polyethylene, fusion bonded epoxy, poly
vinyl chloride, mastic tape systems, petroleum tape, polyglass,
coal tar epoxy.
Potential hazards associated with pipe wrapping operations are identified, and
methods to avoid them are explained, in accordance with company procedures.
Range
methods to avoid hazards may include but are not limited to –
MSDS, adhesives, approved waste disposal, trenches, tools and
equipment, PPE.
1.4
Methods for removal of damaged or disbonded coatings are identified in
accordance with company procedures.
1.5
Methods for the preparation of pipework surface for coatings are explained in
accordance with company procedures.
Range
sand blasting, wire brushing, priming, scraping.
 New Zealand Qualifications Authority 2016
9550 version 4
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Element 2
Evaluate pipework condition and select appropriate repair method on, and formulate a
maintenance plan for, a gas transmission pipeline system.
Performance criteria
2.1
Local authority and regulatory requirements are complied with when evaluating
pipework condition.
Range
requirements include but are not limited to – notifiable works,
environmental impact, legislation, codes of practice, disposal of
waste products, easement access conditions.
2.2
Damaged or disbonded coatings are removed in accordance with company
procedures.
2.3
Defects and faults in pipe work steel are measured and analysed to ensure
pipeline integrity is maintained in accordance with company procedures.
Range
2.4
Repair methods are selected in accordance with the defect or fault.
Range
2.5
corrosion, pitting, mechanical mill defects, welding defects, dents,
gouges, integrity calculations.
repair methods include but are not limited to – repair, sleeve,
replace, assemble, remove.
A plan to complete maintenance activities is formulated in accordance with
company procedures.
Range
includes but is not limited to – communication and documentation,
contractor briefing, time frame, cost considerations, resources,
customer requirements, pipe wrapping installation requirements,
contingencies.
Element 3
Wrap and reinstate pipework.
Performance criteria
3.1
Pipes are prepared for coating in accordance with manufacturer’s instructions.
Range
3.2
dew point, ambient temperature, corrosion, steel surface
temperature, surface treatments, primer, filler tape, putty.
Pipes are wrapped or coated in accordance with manufacturer’s instructions
and company procedures.
 New Zealand Qualifications Authority 2016
9550 version 4
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3.3
Waste materials are disposed of in accordance with company procedures and
regulatory requirements.
3.4
Excavations are backfilled in accordance with company procedures for site
excavation.
3.5
Communications and documentation are completed and follow-up actions
initiated in accordance with company procedures and regulatory requirements.
Range
includes but is not limited to – work orders, permits, job cards,
reports, records, alignment drawings.
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