Performance indicators
1. Familiarises themselves with technical drawings, work instructions and the technological chart (WPS).
2. Chooses the necessary equipment, materials (assemblies, parts, elements, etc.), tools and accessories based on the nature of the work and production conditions. Chooses a welding method and type of welded joint based on the technical drawing and technological chart.
3. Chooses the necessary welding equipment (welding wire, welding electrode, protective gas, backing, etc.) based on the WPS.
4. Configures the welding machine to the mode specified in the WPS and assesses the conformity of the weld on the sample part.
5. Organises the workplace in their work stage as required and in accordance with fire safety requirements before commencing work. Removes any hindering, excessive or flammable items from the vicinity of the workplace. Covers flammable surfaces in the surrounding area with a suitable cover material.
6. Ensures that they have all of the required personal protective equipment and that it is in working order before commencing work.

Knowledge:
a) equipment and accessories used in welding;
b) construction and operating principles of welding current sources;
c) materials;
d) properties of metals and their alloys;
e) markings of welding and base materials;
f) properties, markings and handling of welding gases;
g) flame-cutting equipment and its operation;
h) welding modes;
i) welding terminology;
j) weld markings on technical drawings;
k) safety requirements (correct work methods, principles of providing first aid, main requirements of working environment, etc.);
l) WPS (Welding Procedure Specification);
m) principles of standard EN-3834 of quality requirements for welding work;
n) standards of welder qualifications.

Performance indicators
1. Prepares parts for welding – cleans and, if necessary, chamfers the edges to be welded, using the appropriate methods (e.g. manually or mechanically). Preheats parts based on the WPS and work instructions. Measures the parts to ensure that their measurements comply with the technical drawing.
2. Constructs assemblies (using spot or tack welding) based on the technical drawing and the WPS and checks the compliance of the assembly to the drawing. Fixes the assemblies using fixtures, if necessary.

Knowledge:
a) flame-cutting equipment and its operation;
b) general knowledge of flame-welding and relevant equipment;
c) joint types and edge shapes;
d) meanings of symbols on technical drawings;
e) deformation of parts and change of dimensions during welding;
f) methods and equipment for checking measurements;
g) part imperfections;
h) chamfering equipment and its operating principles;
i) safety requirements (correct work methods, principles of providing first aid, main requirements of working environment, etc.);
j) general knowledge of preheating parts;
k) quality levels for imperfections (EVS-EN-ISO 5817).

Performance indicators
1. Visually checks the welds they have made and ensures that they comply with the requirements of the technical drawing.
2. Checks and measures the assembly and ensures that it complies with the technical drawing and given requirements.
3. Repairs weld imperfections and form deviations in the assembly in the course of the inspection.
4. After repairing the imperfections, conducts a final check of the welds and the assembly and ensures that they comply with standards and quality requirements.

Knowledge:
a) causes of weld imperfections and ways of preventing them;
b) causes of form deviations in the assembly and ways of preventing and eliminating them;
c) quality control methods of welds: destructive testing methods (break, tensile, bend and other tests);
d) quality control methods of welds: non-destructive testing methods (visual, penetrant, magnetic particle, X-ray, ultrasound tests, etc.);
e) control measurement equipment (templates, ruler and calliper) and their principles of use;
f) imperfections characteristic of welding processes, their prevention and their repair;
g) quality levels for imperfections (EVS-EN-ISO 5817).

Performance indicators
1. Fillet-welds steel plates in positions PA, PB, PC and PF and butt-welds in positions PA, PC and PF. Does this based on technical drawings and/or the WPS and at level B. Cleans the edges of the filling run welds manually or mechanically, if necessary.
2. Ensures with a visual check and using the appropriate measuring equipment that the welds are faultless (without pores, cracks, etc.). Repairs any imperfections.
3. Post-processes the finished assemblies by clearing surfaces of spatter, slag, etc. Cleans the welds.

Knowledge:
a) properties of metals and their alloys;
b) ways of decreasing deformations;
c) weldability, heat input, preheating and post-heating of metals;
d) preparations for welding parts and structures (constructions);
e) equipment and accessories used in manual metal arc welding;
f) construction and operating principles of welding current sources;
g) markings of welding and base materials;
h) properties, markings and handling of welding gases;
i) flame-cutting equipment and its operation;
j) modes of wire welding;
k) weld markings on technical drawings;
l) safety requirements (correct work methods, principles of providing first aid, main requirements of working environment, fire and electrical safety requirements, etc.);
m) specificities of welding thick parts;
n) ways of preheating metals and measuring the temperature, the effect of cooling time;
o) basics of heat treatment of metals.

Performance indicators
1. Fillet-welds steel plates in positions PA, PB, PC and PF and butt-welds in positions PA, PC and PF using the MIG or MAG method. Does this based on technical drawings and/or the WPS and at level B. Cleans the edges of the filling run welds manually or mechanically, if necessary.
2. Checks the interpass temperature in the course of the work. Ensures with a visual check and using the appropriate measuring equipment that the welds are faultless (without pores, cracks, etc.). Repairs any imperfections.
3. Post-processes the finished assemblies by clearing surfaces of spatter, slag, etc. Cleans the welds.

Knowledge:
a) properties of metals and their alloys;
b) ways of decreasing deformations;
c) weldability, heat input, preheating and post-heating of metals;
d) preparations for welding parts and structures (constructions);
e) equipment and accessories used in MAG welding;
f) equipment and accessories used in MIG welding;
g) construction and operating principles of welding current sources;
h) markings of welding and base materials;
i) properties, markings and handling of welding gases used in MIG welding;
j) properties, markings and handling of welding gases used in MAG welding;
k) flame- and plasma-cutting equipment and their operation;
l) modes of wire welding;
m) weld markings on technical drawings;
n) safety requirements (correct work methods, principles of providing first aid, main requirements of working environment, fire and electrical safety requirements, etc.);
o) cleaning and passivating welds of stainless steel.

Performance indicators
1. Fillet-welds steel plates in positions PA, PB, PC, and PF, butt-welds in positions PA, PC and PF and tube-seams in position PA (rotating tube). Does this based on technical drawings and/or the WPS and at level B. Cleans the edges of the filling run welds manually or mechanically, if necessary.
2. Checks the interpass temperature in the course of the work. Ensures with a visual check and using the appropriate measuring equipment that the welds are faultless (without pores, cracks, etc.). Repairs any imperfections.
3. Post-processes the finished assemblies and cleans the welds.

Knowledge:
a) properties of metals and their alloys;
b) ways of decreasing deformations;
c) weldability, heat input, preheating and post-heating of metals;
d) preparations for welding parts and structures (constructions);
e) equipment and accessories used in TIG welding;
f) construction and operating principles of welding current sources;
g) markings of welding and base materials;
h) properties, markings and handling of welding gases;
i) flame- and plasma-cutting equipment and their operation;
j) modes of wire welding;
k) weld markings on technical drawings;
l) safety requirements (correct work methods, principles of providing first aid, main requirements of working environment, fire and electrical safety requirements, etc.);
m) welding with backing, including gas backing;
n) use of tungsten electrodes.

Performance indicators
1. Uses all acquired field-specific knowledge and skills to achieve their professional goals.
2. Observes quality requirements when making products.
3. Understands and is able to assess the possible consequences of low-quality work. Pays heed to deadlines and technological manuals.

Performance indicators
1. Strictly observes occupational health and safety requirements when planning work, preparing the workplace, working and organising the workplace to prevent occupational accidents.
2. In the event of an occupational accident, performs first aid, calls for professional help and informs their line manager or employer of the accident.

Performance indicators
1. Participates in teamwork. Is cooperative, shares with others all information that is necessary and useful for work and works towards achieving the best common result.
2. Has the skill and courage to present and defend their opinions in a well-argued way and to present ideas and suggestions for improving work.
3. Takes employees doing other work into account when working.

Performance indicators
1. Can adjust to changing work conditions.
2. Analyses their activities and can find appropriate information to perform their duties and solve work-related problems.

Performance indicators
1. Acquires new duties, methods and techniques quickly.
2. Uses opportunities for self-improvement and to upgrade their skills and takes part in in-service training.

Performance indicators
1. Uses all work equipment and tools prudently, regularly organises and cleans the tools, equipment and protective equipment used during work, following their operation and maintenance instructions.