10983 version 4
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Hot tap, test, and drill a steel pipe in a gas distribution network
Level
4
Credits
12
Purpose
People credited with this unit standard are able to: locate and identify
procedures, documentation, and equipment for hot tapping on steel pipes;
prepare for and perform hot tap; reinstate site; and complete reporting and
documentation.
Subfield
Gas Industry
Domain
Gas Network Construction
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/.
 New Zealand Qualifications Authority 2016
10983 version 4
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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
Definitions
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.
Dummy run means removing and resetting the completion plug prior to the drilling
operation.
Hot tapping for this unit standard excludes carrying out the welding but includes an
understanding of how it applies to hot tapping.
Elements and performance criteria
Element 1
Locate and identify procedures, documentation, and equipment for hot tapping on steel
pipes.
Performance criteria
1.1
Company procedures for hot tapping on steel pipes are located and interpreted
in relation to specified job requirements.
Range
1.2
may include manufacturer’s instructions, operating manuals.
Job instructions are confirmed in accordance with company procedures.
Range
site location, contingency plans, wall thickness/pressure
calculations;
may include – utility plans and/or mark-outs, hot work permit,
consents, easements, flow rate calculations, cutter size
calculation, welding procedure.
1.3
Potential environmental and safety hazards are identified in accordance with
company procedures.
1.4
Hot tapping equipment, components, and materials are identified and described
in terms of type and function.
Range
1.5
may include – welding equipment, hot tap machine, nitrogen
bottle, compressor, hoses, fittings, materials, valves, drills,
adapters, ultrasonic device, gas detection equipment, fire
extinguisher, breathing apparatus, gauges.
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.
 New Zealand Qualifications Authority 2016
10983 version 4
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1.6
Resource requirements are identified and sourced in accordance with company
procedures.
Range
plant, tools, materials, documentation, system components,
personnel, communication equipment.
Element 2
Prepare for and perform hot tap.
Performance criteria
2.1
Safety hazards are identified, and isolated, removed, or minimised in
accordance with company procedures.
Range
2.2
Pipe, equipment, and fittings are prepared, handled, and positioned in
accordance with company procedures and manufacturer’s instructions.
Range
2.3
may include – pipe condition, pipe strain, ultrasonic test, cathodic
protection, weld alignment, proximity of welds and fittings, pipe
supports.
The welded attachment and hot tap machine are checked and tested in
accordance with company procedures and manufacturer’s instructions.
Range
2.4
may include – signage, barriers, personal protective equipment,
safe access and egress, gas escape, fire, explosion, asphyxiation,
other utilities, temporary traffic control, environmental protection,
excavations.
leak test;
checks include but are not limited to – tightness of bolts, packing
nuts, seals;
tests may include but are not limited to – ultrasonic, hydrostatic, air
pressure, nitrogen pressure.
Hot tap equipment is operated in accordance with company procedures and
manufacturer’s instructions.
Range
dummy run, drilling, coupon retrieval, depressurising of machine,
removal of machine, completion of fitting.
Element 3
Reinstate site.
Performance criteria
3.1
Equipment and materials left temporarily on site are stored safely and securely,
or arrangements are made for their collection in accordance with company
procedures.
 New Zealand Qualifications Authority 2016
10983 version 4
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3.2
Tools, equipment, and materials are removed from site in accordance with job
requirements and company procedures.
3.3
Worksite is reinstated and made safe in accordance with company procedures.
Element 4
Complete reporting and documentation.
Performance criteria
4.1
Information is communicated to other parties, both internal and external, in
accordance with company procedures.
Range
4.2
may include but is not limited to – 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.
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