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Maintain power signalling equipment in a rail environment
Level
4
Credits
5
Purpose
People credited with this unit standard are able to, in a rail environment: plan
and prepare for the maintenance of power signalling equipment; carry out
equipment checks and routine maintenance; undertake equipment repairs;
and perform operational testing.
Subfield
Rail Transport
Domain
Rail Infrastructure
Status
Registered
Status date
21 May 2008
Date version published
21 May 2008
Planned review date
31 December 2013
Entry information
Open.
Accreditation
Evaluation of documentation and visit by NZQA and
industry.
Standard setting body (SSB)
Competenz
Accreditation and Moderation Action Plan (AMAP) reference
0013
This AMAP can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Special notes
1
Assessment against this unit standard is to be carried out within the context of an
organisation operating under a current, valid Rail Licence issued in accordance with
the provisions of the Railways Act 2005. The organisation’s operating rules, codes,
and instructions, referred to in this unit standard, are those the organisation has in
place to meet the requirements of the Rail Licence.
2
Candidates must first hold the appropriate licence, qualification, and/or certification
for any electrical work undertaken in the course of assessment for this unit standard.
This condition will be in accordance with organisational procedures and/or regulatory
requirements that govern live electrical work. Examples include: electrical service
technician (A, B), registered electrician.
 New Zealand Qualifications Authority 2016
24031 version 1
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3
Legislation relevant to this unit standard includes the Health and Safety in
Employment Act 1992, Railways Act 2005, Resource Management Act 1991,
Electricity Act 1992, Electricity Regulations 1997.
4
The following Code of Practice applies to this unit standard:
NZECP 60:1997, New Zealand Electrical Code of Practice for Inspection, Testing
and Certification of Low Voltage A.C. Railway Signalling Control Circuits, Ministry of
Commerce, Wellington.
5
Power signalling equipment may include but is not limited to: signal heads; signal
lamps; signal mechanisms; monitoring equipment; circuit controllers; audible warning
devices; automatic warning systems; flashing lamps; automatic train protection
systems; axle counters; train detection systems; over-gauge equipment; dragging
equipment detectors.
6
Tools and equipment for maintenance purposes may include but are not limited to:
hand and power tools; flood lighting; portable two way radios; air compressors;
measuring rules; gauges.
7
Maintenance is to be undertaken on at least three occasions, using one or more
items of power signalling equipment.
8
Operations may:
 be conducted by day or night in all relevant weather conditions;
 be conducted in restricted spaces or exposed conditions or controlled or open
environments;
 involve exposure to chemicals, dangerous or hazardous substances and
movements of equipment, materials and vehicles.
9
Competenz acknowledges the assistance provided by the Transport and Logistics
Industry Skills Council in permitting unit of competency TDTB5101A, Maintain Power
Signalling and Protected Level Crossing Equipment to be used as the basis for this
unit standard.
10
Definitions
Component refers to any mechanical, electrical, electronic, pneumatic/hydraulic part
or parts assembly used in or in conjunction with any power signalling device or power
signalling control mechanism. Organisational procedures refer to documents that
include: worksite rules, codes, and practices; equipment operating instructions;
technical specifications/manuals; documented quality management systems; material
safety data sheets (MSDS); maintenance schedules; and health and safety
requirements.
 New Zealand Qualifications Authority 2016
24031 version 1
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Elements and performance criteria
Element 1
Plan and prepare for the maintenance of power signalling equipment.
Performance criteria
1.1
Relevant instructions and information are accessed in accordance with job
requirements and organisational procedures.
1.2
Work is planned to ensure safe maintenance activities and minimum disruption
to train operations.
Range
1.3
may include but is not limited to – rail permissions, track
protection, Train Control bulletins, local work schedules, train
movements, special circumstances.
Personal protective equipment (PPE) is used in accordance with organisational
requirements.
Range
may include but is not limited to – high visibility clothing, hearing
protection, gloves, sunscreen, sunglasses, safety glasses, insect
repellent, safety headwear, safety footwear, portable radios, hand
lamps, flags.
Element 2
Carry out routine maintenance.
Performance criteria
2.1
The correct functioning of equipment is established from organisational
procedures.
2.2
Equipment and components are cleaned, lubricated, and adjusted in
accordance with organisational procedures.
2.3
Equipment and component abnormalities are identified and appropriate
remedial action is taken to ensure equipment conforms and performs to
technical specifications.
2.4
Documentation is completed in accordance with organisational procedures to
ensure accurate maintenance records are maintained.
 New Zealand Qualifications Authority 2016
24031 version 1
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Element 3
Undertake equipment repairs.
Performance criteria
3.1
Equipment faults and/or damage to equipment are identified using diagnostic
instruments and techniques.
Range
may include but is not limited to – fault indicators, error codes,
maintenance records.
3.2
Repairs are performed using appropriate tools and test equipment to ensure
signalling equipment operates to organisational procedures.
3.3
Faulty, worn, damaged or insecure components are replaced, repaired or
secured to conform with organisational procedures.
Element 4
Perform operational testing.
Range
test instruments may include but are not limited to – oscilloscope, personal
computer, multi meter, high/low voltage insulation, resistance/continuity tester,
test lamp, stopwatches, mimic panels.
Performance criteria
4.1
Correct calibration of test instruments is verified in accordance with
organisational procedures.
4.2
Equipment is tested and adjusted using appropriate test equipment and
procedures to ensure it operates in accordance with organisational procedures.
4.3
Signal alignments are carried out as part of the testing and adjusting
procedures where appropriate.
4.4
Equipment is taken out of service/brought back into use as appropriate, and
required documentation is completed in accordance with organisational
procedures.
4.5
Worksite and equipment is reinstated in accordance with organisational
procedures, and faulty components are tagged, recorded, and dispatched for
repair/replacement.
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.
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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 Competenz qualifications@competenz.org.nz if you wish to suggest
changes to the content of this unit standard.
 New Zealand Qualifications Authority 2016