SAQA

All qualifications and part qualifications registered on the National Qualifications Framework are public property. Thus the only payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source.

SOUTH AFRICAN QUALIFICATIONS AUTHORITY

REGISTERED UNIT STANDARD THAT HAS PASSED THE END DATE:

Wire an electrical railway signal

SAQA US ID	UNIT STANDARD TITLE
116860	Wire an electrical railway signal
ORIGINATOR
SGB Electrical Engineering & Construction
PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY
-
FIELD			SUBFIELD
Field 12 - Physical Planning and Construction			Electrical Infrastructure Construction
ABET BAND	UNIT STANDARD TYPE	PRE-2009 NQF LEVEL	NQF LEVEL	CREDITS
Undefined	Regular	Level 3	NQF Level 03	4
REGISTRATION STATUS		REGISTRATION START DATE	REGISTRATION END DATE	SAQA DECISION NUMBER
Passed the End Date - Status was "Reregistered"		2018-07-01	2023-06-30	SAQA 06120/18
LAST DATE FOR ENROLMENT		LAST DATE FOR ACHIEVEMENT
2024-06-30		2027-06-30

In all of the tables in this document, both the pre-2009 NQF Level and the NQF Level is shown. In the text (purpose statements, qualification rules, etc), any references to NQF Levels are to the pre-2009 levels unless specifically stated otherwise.

This unit standard does not replace any other unit standard and is not replaced by any other unit standard.

PURPOSE OF THE UNIT STANDARD

A learner credited with this unit standard will be able to wire an electrical railway signal according to plans and specifications by applying signalling engineering practice. This will ensure the availability of correctly wired electrical railway signals that contribute in part to a reliable railway signalling system; safe and efficient train operations and effective rail transportation.

LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING

Communication NQF L2

Mathematics NQF L2

Knowledge of relevant statutory requirements related to the wiring of an electrical railway signal.

Ability to use engineering hand and power tools.

Knowledge and use of electrical measuring instruments.

Ability to route and terminate electrical conductors.

Knowledge of the principles of electricity.

UNIT STANDARD RANGE

The credit value assigned to this unit standard is appropriate because performance must be carried out:

In a controlled environment.

Within a specific time.

At a field site or in a workshop (might or might not include overhead traction equipment).

Under simulated or actual operational conditions.

This standard includes the wiring of the following types of electrical railway signals:

Single position light shunt signal

Two-position light shunt signal

Running-shunt signal

Three-aspect signal

Multi-aspect signal

Searchlight signal

Route/direction indicator

This standard excludes:

The assembly and installation of electrical railway signals

Mechanical railway signals

Specific Outcomes and Assessment Criteria:

SPECIFIC OUTCOME 1

Plan and procure the resources required to perform the wiring of an electrical railway signal safely and correctly.

ASSESSMENT CRITERIA

ASSESSMENT CRITERION 1

The job order is interpreted to establish the relevant resources required to perform the assembly of an electrical railway signal as per specification.

ASSESSMENT CRITERION 2

The correct plans and diagrams for the wiring of an electrical railway signal are obtained and verified against the job order.

ASSESSMENT CRITERION 3

Identify the applicable safe working procedures to be adhered to during performance of the task as per company policy.

ASSESSMENT CRITERION 4

The required resources are obtained according to the assembly specification.

ASSESSMENT CRITERION 5

The resources are verified against material specifications and sub-standards rectified.

SPECIFIC OUTCOME 2

Wire an electrical railway signal safely and correctly according to a wiring diagram within the allocated time at a suitable site.

ASSESSMENT CRITERIA

ASSESSMENT CRITERION 1

An electrical railway signal is wired as per diagram/schedule and specifications.

ASSESSMENT CRITERION 2

Safe working procedures are adhered to as per company policies and instructions.

ASSESSMENT CRITERION 3

The assisting personnel are supervised when such personnel are utilised.

ASSESSMENT CRITERION 4

A suitable and safe site is prepared and secured according to procedures, policies and instructions.

ASSESSMENT CRITERION 5

Wiring of an electrical railway signal is completed within the allocated time.

ASSESSMENT CRITERION 6

Unforeseen circumstances related to the wiring of an electrical railway signal are correctly dealt with.

SPECIFIC OUTCOME 3

Perform quality checks on the wiring of an electrical railway signal according to procedures, policies and instructions.

ASSESSMENT CRITERIA

ASSESSMENT CRITERION 1

Relevant quality checks are performed correctly on the wiring of an electrical railway signal according to procedures, policies and instructions.

ASSESSMENT CRITERION 2

Non-conformance to specifications indicated by quality checks is addressed correctly.

ASSESSMENT CRITERION 3

Relevant documentation related to the quality checks performed on the wiring of an electrical railway signal is completed according to procedures, policies and instructions.

ASSESSMENT CRITERION 4

Communication related to the wiring of an electric railway signal is carried out effectively.

ASSESSMENT CRITERION 5

Applicable documentation is completed as per company policies.

SPECIFIC OUTCOME 4

Restore the site and store or secure a wired electrical railway signal as per company-specific procedures, policies and instructions.

ASSESSMENT CRITERIA

ASSESSMENT CRITERION 1

Hazardous and waste material is safely disposed of as per company-specific procedures, policies and instructions.

ASSESSMENT CRITERION 2

All equipment housing lids, doors, covers, locks, etc. are replaced and secured as per company-specific procedures policies and instructions.

ASSESSMENT CRITERION 3

The site is restored as per company-specific procedures, policies and instructions.

ASSESSMENT CRITERION 4

The wired electrical railway signal is stored or secured as per material storage policy.

ASSESSMENT CRITERION 5

Material, equipment and tools are returned for storage or repair as per company-specific procedures policies and instructions.

UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS

An individual wishing to be assessed against this unit standard may apply to an assessment agency, assessor or provider institution that has been accredited by the relevant ETQA.

Anyone assessing a learner against this unit standard must be registered as an assessor with the relevant ETQA.

Any institution offering learning that will enable achievement of this unit standard must be registered and accredited as a provider with the relevant ETQA as prescribed.

Moderation of assessment will be done by the relevant ETQA as prescribed.

Anyone assessing a learner against this unit standard must be certified as competent against this unit standard and registered as an assessor to assess this unit standard.

UNIT STANDARD ESSENTIAL EMBEDDED KNOWLEDGE

The learners can understand and explain the following related to the wiring of an electrical railway signal:

Planning and procurement

Wiring plans/diagrams/schedules/symbols

Identification, purpose and function of an electrical railway signal, as well as its parts and components

Wiring/termination practices and company-specific specifications

Material identification

Relevant quality checks

Function, purpose and safe use of applicable electrical test instruments

Restoration of site

Relevant extracts from:
OHS Act and regulations
Safe working procedures
Company-specific policies, procedures and instructions

UNIT STANDARD DEVELOPMENTAL OUTCOME

N/A

UNIT STANDARD LINKAGES

N/A

Critical Cross-field Outcomes (CCFO):

UNIT STANDARD CCFO IDENTIFYING

Problem-solving
Learners can solve problems with regard to:

The correctness, quantity and quality of material, parts and components

The suitability and functionality of equipment and tools

The wiring of an electrical railway signal

Operational changes relating to the wiring of an electrical railway signal

Availability and competence of assisting personnel.

UNIT STANDARD CCFO WORKING

Team work
Learners can work effectively in teams when:

Handling and wiring an electrical railway signal

Storing or securing an electrical railway signal

Restoring the site

UNIT STANDARD CCFO ORGANISING

Self-organisation and self-management
A learner can organise and manage himself by:

Executing the task correctly and responsibly

Maintaining a high level of discipline

Adhering to time frames

Adhering to safety and company-specific policies and procedures

UNIT STANDARD CCFO COLLECTING

Information evaluation
Learners can interpret and evaluate the contents of:

A Wiring diagram/schedule

A job order

UNIT STANDARD CCFO COMMUNICATING

Communication

Learners can communicate effectively with relevant role-players related to the wiring of an electric railway signal.

UNIT STANDARD CCFO SCIENCE

Use of science and technology
Learners can use science and technology by using:

Lifting equipment

Electric tools

Test instruments

UNIT STANDARD CCFO DEMONSTRATING

Inter-relatedness of systems

Learners can understand the role of the electrical railway signal in a railway signalling system.

UNIT STANDARD CCFO CONTRIBUTING

Learner and societal development
Learners can understand the importance of:

Safety in the workplace as well as in the whole environment

Being a team player in the work environment and in society

Communicating effectively in the work environment and in society

Their responsibility for the safety and well-being of fellow-workers and society at large

UNIT STANDARD ASSESSOR CRITERIA

N/A

REREGISTRATION HISTORY

As per the SAQA Board decision/s at that time, this unit standard was Reregistered in 2012; 2015.

UNIT STANDARD NOTES

Assessment process:

Assessment methods:

Written tests.

Practical test.

Oral questioning.

Observation of practical task execution.

Simulation.

Role-play/structured classroom discussions and oral tests.

Practical verification against specifications.

These methods must be carefully selected based on the purpose of the assessment (for example, the written method could be used to assess knowledge, or on-the-job demonstration for practical competence). The assessment must integrate a number of different methods (no less than three of those detailed above) in order to give the assessor reliable and valid proof of competence and evidence of required attitudes.

The following may be used to supplement the above minimum assessment methods:

Valid, reliable and authentic evidence (presented as a portfolio of evidence) from past achievements and experience may serve to supplement the assessment of applied competence. The portfolio should include inter alia:

Written statements from persons (e.g. current and/or previous employer, colleague, peer, manager, external customers) confirming competence of the learner.

Relevant certificates or awards.

Previous assessment records.

Logbook or register stating evidence of performance.

In addition, the following values should be demonstrated:

Safety consciousness

Responsibility

Integrity

Quality consciousness

Time consciousness

Sobriety

Supplementary information:

Terminology

Job order refers to:

Job card

Job instruction
Wiring diagram refers to a drawing or plan.
Wiring schedule refers to a list of termination points between which wires must be connected and a description of the types of wires to be used.
Sub-standard refers to the deviation from specifications and/or standards.
Non-conformance refers to a sub-standard.
Site refers to a workshop or field location.
Communication can include, but is not limited to:

Personnel structures, e.g. supervisors and subordinates

Verification of messages/instructions
Communication media can include, but is not limited to:

2-way radios

Cellular phones

Trunk radios

Hand-held emergency telephones
Secure means to make safe, cover, fasten or tie down.
Store/storage means to remove item(s) from the work area and place in a designated/prescribed area as per company-specific procedures, policies and instructions.
Logbook refers to evidence of training and job performance.
Overhead traction equipment (OHTE) refers to the high-voltage equipment used to power electric locomotives.
Wiring means connecting individual electrical parts/components to each other by means of electrical/optical conductors.

Certification:
The learner will be certified as competent when at least one from each of the following categories of electrical railway signals has been correctly wired to specification:

Shunt signal

Running signals

Route/direction indicators

Credits:
Total hours required by the learner to achieve the required outcomes:

Activity-Hours
Theory-8
Practical-20
Self-directed learning-6
On-the-job learning
Assessment-6
Total-40
Credits achieved: 4

QUALIFICATIONS UTILISING THIS UNIT STANDARD:

	ID	QUALIFICATION TITLE	PRE-2009 NQF LEVEL	NQF LEVEL	STATUS	END DATE	PRIMARY OR DELEGATED QA FUNCTIONARY
Core	49068	National Certificate: Railway Signalling: Assembly and Wiring of Equipment	Level 2	NQF Level 02	Passed the End Date - Status was "Reregistered"	2023-06-30	TETA

PROVIDERS CURRENTLY ACCREDITED TO OFFER THIS UNIT STANDARD:

This information shows the current accreditations (i.e. those not past their accreditation end dates), and is the most complete record available to SAQA as of today. Some Primary or Delegated Quality Assurance Functionaries have a lag in their recording systems for provider accreditation, in turn leading to a lag in notifying SAQA of all the providers that they have accredited to offer qualifications and unit standards, as well as any extensions to accreditation end dates. The relevant Primary or Delegated Quality Assurance Functionary should be notified if a record appears to be missing from here.

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