Performance indicators:
Light signal maintenance
1. replaces lamps in light signals and journey displays in accordance with the internal normative documents of the organisation using appropriate tools;
2. takes electrical measurements of light signals on main power in accordance with the internal normative documents of the organisation using appropriate tools;
3. conducts maintenance of light signals (e.g. cleans, paints and checks visibility) without disruption in accordance with the rules for the technical use of railways and the internal normative documents of the organisation using appropriate tools;
Turnout safety equipment maintenance
4. conducts maintenance of turnout motors and fittings (e.g. cleans, paints, performs visual inspections, tightens bolts and replaces individual insulation elements) in accordance with the internal normative documents of the organisation using appropriate tools;
Track circuit and axle counter maintenance
5. conducts maintenance of equipment (e.g. checks, cleans and paints connecting cables and signal boxes and changes lock combinations) without disruption or changing set parameters in accordance with the internal normative documents of the organisation using appropriate tools;
6. conducts throttle transformer maintenance without shutdown in accordance with the internal normative documents of the organisation and the manufacturer's instructions using appropriate tools;
Maintenance of computer-based controls
7. conducts maintenance of traffic manager work station hardware without disturbing the normal functionality of the devices in accordance with the internal normative documents of the organisation using appropriate tools;
Maintenance of internal hardware, equipment cabinets and containers
8. conducts maintenance of equipment cabinets (e.g. inspects, cleans and paints cabinets) without device shutdown in accordance with the internal normative documents of the organisation using appropriate tools;
9. conducts maintenance of the internal hardware of safety equipment (e.g. performs visual inspections and general cleaning and secures attachments) without shutdown, checks the condition of alarm interfaces and notifies their line manager in the event of alarms in accordance with the internal normative documents of the organisation and using appropriate tools;
Maintenance of safety equipment at crossings
10. conducts maintenance of automatic signalling equipment at crossings (e.g. inspects, cleans, paints and checks visibility and audibility) without shutdown or changing set parameters in accordance with the internal normative documents of the organisation and the maintenance instructions for the equipment using appropriate tools;
11. Maintenance of safety equipment power supply
12. conducts maintenance of batteries (e.g. measures electrolyte density, cleans the case and parts and measures battery jars using cell testers) without interruption to operation in accordance with the internal normative documents of the organisation and the manufacturer's instructions using appropriate tools;

Knowledge:
1) types and construction of light signals, principles of operation and maintenance;
2) signalling systems of light signals and journey displays;
3) principles of electrical measurements of light signals;
4) types and construction of turnouts, principles of operation and maintenance;
5) types and construction of track circuits, principles of operation and maintenance;
6) principles of operation and maintenance of throttle transformers;
7) traffic manager workstation hardware;
8) types of equipment cabinets, principles of operation and maintenance;
9) types of internal hardware of safety equipment, principles of operation and maintenance;
10) meanings of alarm interface indications;
11) types and construction of automatic signalling equipment at crossings, principles of operation and maintenance;
12) types and construction of batteries, principles of operation and maintenance;

Performance indicators:
within the limits of their occupational qualification level:
1. Eliminates malfunctions in safety equipment under supervision as part of assistive work;
2. Immediately informs their line manager of traffic-related malfunctions and coordinates other activities with other units;
3. Maintains the traffic manager work station (telephone and radio equipment, eliminating minor faults, replacing panel lamps, etc.);
4. Immediately informs their line manager of any issues that fall outside the limits of their competence;
5. Documents work and makes necessary record entries;
6. Pays heed to work instructions, technologies and quality requirements as well as the requirements of all relevant legislation (both national and international), including waste management regulations;
7. Works diligently and accurately without endangering human health, property or the environment;
8. Organises the workplace as required and selects appropriate tools in accordance with the nature of the work, ensuring they are in working order and safe before starting work;
9. Strictly observes occupational health and safety requirements when planning work, preparing the workplace, working and organising the workplace, and takes surrounding people and the environment into account in order to prevent occupational accidents;
10. Uses personal protective equipment (appropriate clothing and footwear, safety vest, etc.) and appropriate work methods and techniques that do not endanger life or health;
11. In the event of an occupational accident, performs first aid, calls for professional help and informs the emergency services and the employer of the accident;
12. In the event of a health, commercial, technical or environmental hazard, terminates the work and immediately informs the employer or the employer's representative;
13. Uses all work equipment and tools prudently and properly, according to their operation instructions;
14. Regularly organises and cleans the tools, devices and protective equipment used during work, according to their maintenance instructions;
15. Is open to cooperation, takes part in teamwork, shares all necessary and useful information with others and works towards achieving the best result for all concerned;
16. Participates in continuing vocational training, applies what they have learned in professional work;
17. Estonian language skills levels: understanding and speaking A2; Russian language skills levels: understanding and speaking A2;
18. Maintains different types of safety equipment (e.g. automatic blocking and semi-automatic blocking) and safety equipment of different generations;
19. Uses a computer for information processing, communication and safety at the Basic user level on the Digital Competence Self-Assessment Scale (see Annex 2);

Knowledge:
1) rules for the technical use of railways with annexes;
2) requirements of professional legislation and regulations, meanings of professional terms;
3) requirements of operating on railways;
4) types of communication used on railways;
5) point construction and principles of operation;
6) requirements of signal construction, installation and visibility;
7) principles of hand signalling;
8) requirements of road-blocking equipment;
9) requirements of station-blocking equipment;
10) requirements of interdependence between points, signals and journeys;
11) maintenance requirements of safety and communications lines;
12) principles of road safety for repair, maintenance and construction work;
13) occupational safety requirements;
14) what to do in the event of traffic and occupational accidents;
15) what to do in an emergency situation;
16) principles of first aid at the site of an accident;
17) requirements of notification procedures in the event of railway accidents and incidents;
18) fire safety requirements;
19) principles of waste management;
20) environmental protection requirements.

Assessment methods:
Recurring competences are assessed in an integrated manner as part of the assessment of the other competences listed in the occupational qualification standard.