Competence Requirements for Responsible Welding Coordinators_BU

7/27/2019 Competence Requirements for Responsible Welding Coordinators_BU

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EN 1090 hnvisar till EN 14731 fr krav p svetsansvarigs kompetens. Kompetensniverna beror av

utfrandeklass, plttjocklek och stlsort och delas in i niverna G-grundlggande, N-normal och O-

omfattande, se tabell nedan.

Utfrandeklass StlsortTjocklek (mm)

T 25a 25 < t 50b t>50

EXC 2

S235 till S355 (1.1, 1.2, 1.4) G N Oc

S420 till S700 (1.3, 2, 3) N Od

O

Austenitiska rostfria stl G N O

Austenit-ferritiska rostfria stl N O O

EXC 3

S235 till S355 (1.1, 1.2, 1.4) N O O

S420 till S700 (1.3, 2, 3) O O O

Austenitiska rostfria stl N O O

Austenit-ferritiska rostfria stl O O O

EXC 4 O O O

aFotpltar och ndpltar 50 mm

bFotpltar och ndpltar 75

cFr stl upp till och med S275 rcker N

dFr stl N, NL, M och ML rcker kunskapsniv N

Kravet fr niv G och N anses uppfyllt om svetsansvarig innehar diplom frn genomgngen IWS-

utbildning. Om detta saknas kan kompetensen hyras in och ing i fretagets FPC. Om fretaget har

en person som anses uppfylla kompetenskraven utan att ha genomgtt en IWS-utbildning kommer

en muntlig utfrgning att ske av en svetsexpert vid fretagets revision fr certifiering enligt EN 1090.

EWF, European Federation for Welding, Joining and Cutting har skrivit en vgledning med krav p

kursinnehll fr kurser som syftar till att utbilda svetsansvariga fr niv G (grundlggande och niv N

(normal) enligt EN 1090. Efter varje kursavsnitt ges en sammanfattning av vilken kunskap som

frvntas av deltagarna efter genomgnget kursmoment. Nedan fljer en sammanstllning av den

kunskap som en svetsansvarig frvntas ha fr niv G respektive N enligt EWFs guideline.


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Competence requirements for Responsible Welding Coordinators level B (Basic) and level S (Specific)

according to EN 1090

Welding personnel having an IWS diploma are accepted. If not, knowledge of the following has to be

confirmed.

1. Welding processes and equipment.

1.1 General introduction to welding technology

Basic Specific

Outline the major differences between each

main type of welding process, e.g. fusion arc,

resistance, flame, forge etc.

Outline the major differences between each

main type of welding process, e.g. fusion arc,

resistance, flame, forge etc.

Differentiate between processes and reference

to standards

Differentiate between processes and reference

to standards

Recognize a welding process by the common

abbreviation

Recognize a welding process by the common

abbreviation

1.2 The arc

Basic Specific

Describe an electric arc; its main areas and their

importance to welding and arc stability

Describe an electric arc; its main areas and their

importance to welding and arc stability

Outline the generation of heat in the arc Outline the generation of heat in the arc

Give examples of the influence of magnetic fields

on the electric arc

Give examples of the influence of magnetic fields

on the electric arc

Outline appropriate solutions to solve magnetic

deflection problems

Outline appropriate solutions to solve magnetic

deflection problems

Describe arc characteristics for DC and AC Describe arc characteristics for DC and AC

1.3 Power sources for arc welding

Basic Specific

Outline how each type of welding power source

works (AC and DC) including the most common

devices used.

Outline how each type of welding power source

works (AC and DC) including the most common

devices used.

Describe for each type of arc welding power

source the static characteristic, operation point

and control of arc stability

Describe for each type of arc welding power

source the static characteristic, operation point

and control of arc stability

Outline the meaning of open circuit voltage, arc

voltage short circuit current, duty cycle of apower source, voltage losses and current to cable

relationship

Outline the meaning of open circuit voltage, arc

voltage short circuit current, duty cycle of apower source, voltage losses and current to cable

relationship

Be able to select the appropriate power sources

fr a given welding process.

Be able to select the appropriate power sources

fr a given welding process.

Recognize the various settings and switches on

different power sources and their effects.

Recognize the various settings and switches on

different power sources and their effects.


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1.4 TIG Welding

Basic Specific

Outline TIG welding including arc ignition

methods and their most common applications.

Describe and compare the principles of TIG

welding including arc ignition methods and their

application.

Give examples of the most common applicationfor each type of current, polarity and electrode

type.

Explain the selection of appropriate type ofcurrent, polarity, shielding gas and electrode

type according to application.

Give examples of the most important

applications and select the appropriate values for

welding parameters.

Identify the range of application appropriate

joint preparations and potential problems to be

overcome.

Know how to use and care for the equipment

and accessories.

Identify an appropriate range of welding

parameters for particular applications.

Read given standards for consumables. Explain the purpose and functions of each

component of the equipment an accessories.

Give examples of TIG applications, joint

preparation and potential problems toovercome.

Interpret the use of appropriate standards.

Outline potential hazards and methods of safe

handling and working.

Describe potential hazards and methods of safe


1.5.1 MIG/MAG Welding

Basic Specific

Describe and compare the principles of

MIG/MAG welding including metal transfer

modes and applications.

Describe and compare the principles of

MIG/MAG welding including metal transfer

modes and applications.

Identify the most common applications for each

type of current, polarity and electrode.


type of current, polarity and electrode.Identify the range of application, appropriate


overcome.

Identify the range of application, appropriate


overcome.

Identify the influence of the welding parameters

on the weld bead and be able to outline welding

parameters for particular application.

Identify the influence of the welding parameters

on the weld bead and be able to outline welding

parameters for particular application.





Outline the various functions of the main

components of the equipment and accessories.



Demonstrate the use of appropriate standardsfor consumables.

Demonstrate the use of appropriate standardsfor consumables.

Give examples on how consumables should be

selected.


selected.


and accessories.


and accessories.


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1.5.2 Flux Cored Arc Welding

Basic Specific

Describe the principles of Flux Cored Arc welding

including their applications.

Describe the principles of Flux Cored Arc welding

including their applications.


type of current, polarity and electrode.


type of current, polarity and electrode.Identify the range of application, appropriate


overcome.



overcome.

Identify the influence of the appropriate welding

parameters on the weld bead and be able to

outline welding parameters for particular

applications.

Identify the influence of the appropriate welding

parameters on the weld bead and be able to

outline welding parameters for particular

applications.








components of the equipment and accessories.Demonstrate the use of appropriate standards

for consumables.

Demonstrate the use of appropriate standards

for consumables.


selected.


selected.


and accessories.


and accessories.

1.6 MMA Welding

Basic Specific

Outline the principles of MMA welding Describe the principles of MMA welding

Outline how to select the appropriate type ofcurrent, polarity and electrode according to

application.

Describe how to select the appropriate type ofcurrent, polarity and electrode according to

application.



overcome.



overcome.


parameters for particular applications


parameters for particular applications

List potential hazards and methods of safe




Outline the purpose and functions of each

component of the equipment and accessories.

Outline the purpose and functions of each

component of the equipment and accessories.

List the appropriate methods of handling, control

and storage of the various types of electrodes.

Describe the appropriate methods of handling,

control and storage of the various types of

electrodes.

Demonstrate the use of appropriate standards. Demonstrate the use of appropriate standards.

- Describe the influence of electrode coating on

droplet transfer and weld material properties.


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1.7 Submerged Arc Welding

Basic Specific

Explain the principle of the SAW process

including arc striking methods and their

applications.

Explain the principle of the SAW process

including arc striking methods and their

applications.

Explain the criteria for evaluating the applicablewelding parameters.

Explain the criteria for evaluating the applicablewelding parameters.

Identify the application range, joint edge

preparation and potential problems to

overcome.

Identify the application range, joint edge

preparation and potential problems to

overcome.

Clarify the procedures for the set-up of power

sources.

Clarify the procedures for the set-up of power

sources.

Explain the criteria for the selection of flux-wire

combinations.

Explain the criteria for the selection of flux-wire

combinations.

Interpret appropriate standards and welding

procedures.

Interpret appropriate standards and welding

procedures.

Define welding instructions for welders andoperators.

Define welding instructions for welders andoperators.

Define potential hazards and methods of safe


Define potential hazards and methods of safe


1.8 Stud welding

Basic Specific

Describe the principles of Stud welding and its

application.

Describe the principles of Stud welding and its

application.

Name some common applications of the

processes in the different industrial fields.

Name some common applications of the

processes in the different industrial fields.

Define potential hazards and methods of safehandling and working.

Define potential hazards and methods of safehandling and working.


and accessories.


and accessories.

1.9 Cutting, Drilling and other edge preparation processes

Basic Specific

Describe the principles of: mechanical, flame arc,

laser and plasma cutting.

Describe the principles of: mechanical, flame arc,

laser and plasma cutting.

Identify the characteristic parameters for the

above mentioned processes.

Identify the characteristic parameters for the

above mentioned processes.

Make a comparison among different edge

preparation processes, considering technical and

economic aspects.

Make a comparison among different edge

preparation processes, considering technical and

economic aspects.

List potential risks and hazards related with edge

preparation processes.

List potential risks and hazards related with edge

preparation processes.


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2. Materials and their behavior during welding

2.1 Structure and properties of metals.

Basic Specific

- List pure metals and alloys.

- Outline basic mechanical properties of metals.- Outline effect of loading conditions on metals

properties.

2.2 Phase diagrams and Alloys

Basic Specific

- Identify solidification structure and segregation

on relevant examples.

- Outline the principles of strengthening

mechanisms with appropriate examples.

- Interpret the relationship between

microstructure and phase diagrams.

- Describe alloys and phase diagrams.

2.3 Iron Carbon Alloys

Basic Specific

Special items of the Fe-C diagram (types of Fe-C

alloys)

Fe-C alloys

Influence of cooling rate, hardenability. Influence of cooling rate, hardenability.

TTT and CCT diagrams. Prevention of coarse structure

Classification of heat treatment Classification of heat treatment

2.4 Classification of steels

Basic Specific

- Properties of steel semi-products

- Types of steel, particularly structural steels.

- Use of standards for steel designation and

standards on rolling products.

- Knowledge of types of inspection documents.

2.5 Behaviour of structural steels in fusion welding

Basic Specific

Special items of the Fe-C diagram (types of Fe-Calloys)

Explain the temperature distribution in weldsand the microstructure formed as a result for a

single pass weld versus a multi-pass weld.

Influence of cooling rate, hardenability. Interpret the effects of heat input, cooling rate

and multi-pass operation on weld metal

solidification and the microstructure formed for

a single pass weld versus a multi-pass weld.

TTT and CCT diagrams. Explain the effects of the weld protection, the

type of consumables on the microstructure of

the weld metal and on its properties for a single

pass weld versus a multi-pass weld.


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Classification of heat treatment Draw areas of HAZ, the reasons for grain size and

microstructure changes and their effects on

properties for a single pass weld versus a multi-

pass weld.

Discuss the various aspects of weldability.

2.6 Heat treatment of base materials and welded joints

Basic Specific

Describe the major heat treatments and their

objectives.

Explain each of the major heat treatments and

their objectives.

Discuss the necessity to perform heat treatment

after welding depending of the type and

thickness of steel, the application and the code

Describe code requirements for heat treatment

- Predict the necessity to perform heat treatment

after welding depending of the type and

thickness of steel, the application and the code

2.7 Structural Steels

Basic Specific

Having knowledge of: Having knowledge of:

Unalloyed structural steels Unalloyed structural steels

Filler materials Filler materials

Determination of welding technology Determination of welding technology

Application of standards for filler materials. Application of standards for filler materials.

2.8 High Strength Steels

Basic Specific

List the different methods to obtain fine-grained

steels

Explain the different methods to obtain fine-

grained steels

Explain the relationship between grain

refinement and mechanical properties.

Explain the relationship between grain

refinement and mechanical properties.

Interpret the relationship between grade and

weldability.

Outline appropriate applications

Identify applicable welding processes and

potential problems.

Interpret the relationship between grade and

weldability.

Name the effects of heat treatment after welding

and deduce the conditions of such treatment.

Identify applicable welding processes and

potential problems.

- Name the effects of heat treatment after welding

and deduce the conditions of such treatment.

- Use the appropriate filler material.

2.9 Cracking Phenomena in welded joints

Basic Specific

Compare the metallurgical mechanisms for each

of the major types of cracking.

Compare the metallurgical mechanisms for each

of the major types of cracking.

Appraise the susceptibility to cracking and

suggest appropriate precautions to avoid

cracking.

Describe the effects of chemical and physical

variables for each of the major types of cracking.

Name the type of cracking and the reason for itsoccurrence. Appraise the susceptibility to cracking andsuggest appropriate precautions to avoid


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cracking.

List alternatives, which will reduce or eliminate

the occurrence of lamellar tearing in welded

construction /fabrication. Name the effects of

heat treatment after welding and deduce the

conditions of such treatment.

Name the type of cracking and the reason for its

occurrence from study of fractured material and

its history.

Choose suitable tests which will assist in finding

solution of cracking problems.

Propose alternatives which will reduce or

eliminate the occurrence of lamellar tearing in

welded construction/fabrication.

2.10 Stainless steels

Basic Specific

Outline the structures of the various stainless

steels.

Outline the structures of the various stainless

steels and explain their behavior during welding.

Outline welding processes and consumables foreach type of steel.

State the rules and principles governingcorrosion phenomena.

Outline the different treatment after welding. Indicate the choice of welding process and

consumables for each type of steel using

different diagrams.

- Describe the different treatment after welding.

2.11 Testing of materials and welded joints

Basic Specific

Discuss the reasons for destructive testing Discuss the objective of each destructive test and

the limitations of the data generated.

Describe the major testing methods and theparameters to be measured.

Outline each of the major testing methods andthe parameters to be measured.

Classify competence in carrying out testing to a

given schedule.

State when and why special testing should be

specified.

- Show competence in carrying out testing to a

given schedule.

3. Construction and design

3.1 Basic theory of structural systems

Basic Specific- Understande in general the composition of

forces.

- Understand in general the resolution of forces.

- Name the conditions of equilibrium.

- Understand in general the equilibrium of

structural systems.

- Name bearing, constraints and the basic types of

connections.


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3.2 Fundamentals of the strength of materials

Basic Specific

- Understand in general the different types of

stresses (normal stress, shear stresses)


deformation (axial strain, shear strain etc).- Understand in general the stress-strain

relationships.

- Understand in general the stresses resulting from

internal forces and moments.

3.3 Joint design for Welding

Basic Specific

Describe different types of welded joints. Identify different types of welded joints.

Know how to apply each type of joint in function

of material, thickness and welding process.

Apply (EN-) ISO 9692 according to the given

conditions.

Explain the symbolic representation of weldedjoints on drawings.

Identify and use appropriate weld symbols.

- Explain the symbolic representation of welded

joints in drawings.

3.4 Basics of weld design

Basic Specific


stresses in welded joints (nominal stress, hot

spot stress, notch stress).

- Understand simple welded joints (internal forces)

- Understand cross-sections for welded joints.

3.5 Behaviour of welded structures under different types of loading.

Basic Specific

- Understand the requirements for the

construction according to different types of

loading and temperatures.

- Identify globally groups of materials which meet

strength requirements.

- Identify the various types of fracture.

3.6 Design of welded structures predominantly static loading

Basic Specific

Understand the requirements for the



Understand the requirements for the



Identify globally groups of materials which meet


Identify globally groups of materials which meet


Identify the various types of fracture. Identify the various types of fracture.


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4. Fabrication, applications engineering

4.1 Introduction to quality assurance in welded fabrication

Basic Specific

Outline of knowledge in: Main difference between quality assurance,

quality control and inspection systems and theirusage for welded fabrication.

Goals for quality assurance and quality control. Writing quality control procedures.

Recognition of some factors related to personnel

and equipment, which influence the quality of a

welded construction.

Interpretation of standards (e.g. ISO 3834)

Role of the Welding Coordinator in the

fabrication industry.

Basic factors related to personnel and

equipment, which influence the quality of a

welded construction.

- Role of the Welding Coordinator in the

fabrication industry.

4.2 Quality control during manufacture

Basic Specific

Outline of knowledge in: Main purpose of a WPS/WPQR/pWPS and the

advantages to the quality of welded fabrication.

Purpose of the WPS, and the advantages to the

quality of the welded construction.

Compile and review WPss for welded

components in accordance with national and

international standards.

Recognition of the main variables for a certain

WPS qualification and its range of approval.

Interpretation of the standard for the

qualification of a WPS, determine the main

variables for a particular WPS qualification and

its range of qualification in accordance with

National and/or International standards.

Welder qualification purpose, and the

advantages to the quality of the welded

construction.

Main purpose of a welder qualification and the

main advantages to the quality of welded

fabrication.

Recognition of the EN and ISO/other valid

standard for a welder qualification, and outline

the main variables for a certain welder

qualification and its range of approval.

Interpretation of the standard for a welder

qualification, determine the main variables for a

particular welder qualification and its range of

qualification.

Traceability requirements for materials

procedures and certificates and give examples.

Main purpose of a welding operator qualification

and the main advantages to the quality of

welded fabrication.

- Interpretation of the standard for a welding

operator qualification, determine the main

variables for a particular welding operator

qualification and its range of qualification.

- Definition of traceability requirements for

material procedures and certificates and give

examples.


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4.3 Residual Stresses and Distortion

Basic Specific

State: Outline:

The origin, influencing factors and magnitude of

residual stress and distortion in welded

fabrications.

The origin, influencing factors and magnitude of

residual stress and distortion in welded

fabrications.Relationships between the material at a certain

temperature and its mechanical characteristics.

Relationships between the material at a certain

temperature and its mechanical characteristics.

Distribution of the residual stresses at weld

(parallel to the weld axis, perpendicular, and

through thickness, influence of the material

thickness)

Distribution of the residual stresses at weld

(parallel to the weld axis, perpendicular, and

through thickness, influence of the material

thickness)

Predict contraction and distortion in joints and

structures.

Predict contraction and distortion in joints and

structures.

Develop procedures to minimize distortion and

stress.

Develop procedures to minimize distortion and

stress.

How residual stresses may affect the behavior ofa structure in service.

How residual stresses may affect the behavior ofa structure in service.

4.4 Plant facilities, welding jigs and fixtures

Basic Specific

Outline of knowledge in: Explain:

The layout importance to achieve a higher and

easier production

Principles for improved productivity, safety and

comfort.

Recognize the advantages of using fixtures, jigs

and positioners.

The advantages of using fixtures, jigs and

positioners.

Recognize the type of fixture, jig and positioned

to be used in a certain welded construction.

Select the type of fixture, jig and positioned to be

used in a certain welded construction.Recognize the necessary characteristics for the

auxiliary equipment to be used in a certain

welded construction, cables, heat treatment

equipment and temperature control.

Select the type of auxiliary equipment to be used

in a certain welded construction, cables, heat

treatment equipment and temperature control

equipment.

Outline the general precautions related to joint

fit up and tack welding.

The special requirements related to joint fit up

and tack welding.

4.5 Health and safety

Basic Specific

Outline: Outline:

The risk factors associated with welding from

electricity, gases, fumes, fire, radiation and noise.

The risk factors associated with welding from

electricity, gases, fumes, fire, radiation and noise.

The interpretation of Health and Safety

regulations with respect of the above hazards.

The interpretation of Health and Safety

regulations with respect of the above hazards.

Select the appropriate methods to reduce each

type of welding risk factors.

Select the appropriate methods to reduce each

type of welding risk factors.

The health effects of grinding and hazards

regarding the heat.

The health effects of grinding and hazards

regarding the heat.

Safe working procedures to ensure the

requirements are met.

Safe working procedures to ensure the

requirements are met.

Using of protective cloting. Using of protective cloting.

Oxygen environment enrichment. Oxygen environment enrichment.


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4.6 Measurement, Control and Recording in Welding.

Basic Specific

Outline: Explain:

The methods iof measurement used in the

control of welding.

The methods iof measurement used in the

control of welding.Working procedures for the measurement of

welding parameters.

Working procedures for the measurement of

welding parameters.

- Working procedures for the measurement and

control of heat treatment operations.

Procedures for the calibration, validation and

monitoring of welding operations.

4.7 Non Destructive testing.

Basic Specific

State: Outline:

The modes of operation of the principal NDTmethods, their advantages and disadvantages

when applied to welded fabrications.

The modes of operation of the principal NDTmethods, their advantages and disadvantages

when applied to welded fabrications.

Weld imperfections, their causes and methods of

detection.

Weld imperfections, their causes and methods of

detection.

Interpretation of acceptance standards for weld

imperfections.

Interpretation of acceptance standards for weld

imperfections.

Identification of the principles of NDT

interpretation.

Identification of the principles of NDT

interpretation.

Selection of weld configurations and design to

allow adequate application of NDT methods.

Selection of weld configurations and design to

allow adequate application of NDT methods.

Identification of the qualification of NDT

personnel.

Identification of the qualification of NDT

personnel.

Recognition of safety aspects. Recognition of safety aspects.

4.8 Economics and Productivity

Basic Specific

State: Outline:

The make up of costs associated with welding Elements of costs associated with welding.

Welding and handling procedures including

mechanization and automation to minimize

production costs.

Costs of welding operations

Welding processes operation factor Select welding and handling procedures including

mechanization and automation to minimize

production costs.

4.9 Repair Welding

Basic Specific

Outline: Outline:

Problems of making repair welds. Problems of making repair welds.

Possible hazards likely to occur in making repair

welds particularly for in-service repairs.

Possible hazards likely to occur in making repair

welds particularly for in-service repairs.

Comprehensive procedures to be applied to weldrepairs. Comprehensive procedures to be applied to weldrepairs.


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Procedural and operator qualifications to be

applied to repair welds.

Procedural and operator qualifications to be

applied to repair welds.

5. Background of the EN 1090-1

Basic Specific

Explain how En 1090 should controlmanufacturing of steel construction products.

Explain how En 1090 should controlmanufacturing of steel construction products.

6. Review of requirements, technical review

Basic Specific

Illustrate the potential hazards of a contract Illustrate the potential hazards of a contract

Translate the appropriate standards to working

documents.

Translate the appropriate standards to working

documents.

Evaluating the (sub)contractors ability for

manufacturing.

Evaluating the (sub)contractors ability for

manufacturing.

Being capable of providing a professional

judgement on subcontracting.

Being capable of providing a professional

judgement on subcontracting.

7. Welding personnel

Basic Specific

Decide about the quality of a welders

qualification test performed.

Decide about the quality of a welders

qualification test performed.

Decide on the validity of a welders performance

qualification.

Decide on the validity of a welders performance

qualification.

Compile a list with welding personnel qualified

for the project.

Compile a list with welding personnel qualified

for the project.

8. Equipment

Basic Specific

Safe and economic use of weld related

equipment

Safe and economic use of weld related

equipment

9. Production planning

Basic Specific

To follow up a total production planning and

proceed accordingly.

To follow up a total production planning and

proceed accordingly.

Capable of making adjustments if necessary. Capable of making adjustments if necessary.

To administer production data. To administer production data.

10. Qualification of the welding procedures.

Basic Specific

Compile a list with welding procedure

qualification available/necessary for the project.

Compile a list with welding procedure

qualification available/necessary for the project.

11. Welding procedure specifications and work instructions

Basic Specific

To set-up and using welding procedures To set-up and using welding procedures

Setting up and organizing toolbox meetings. Setting up and organizing toolbox meetings.


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12. Welding consumables

Basic Specific

Correct use of the appropriate welding

consumables.

Correct use of the appropriate welding

consumables.

13. MaterialsBasic Specific

Recognize essential differences in material

certificates.

Recognize essential differences in material

certificates.

Ordering the aoolied materials in fabrication

manuals

Ordering the aoolied materials in fabrication

manuals

14. Inspection and testing before, during and after welding.

Basic Specific

Setting up and organizing welding inspection

plans and response appropriate in case of

deviations.

Setting up and organizing welding inspection

plans and response appropriate in case of

deviations.To follow up and the interpretation of welding

inspection plan and response appropriate in case

of deviations.

To follow up and the interpretation of welding

inspection plan and response appropriate in case

of deviations.

Incorporation into fabrication manuals. Incorporation into fabrication manuals.

15. Non-conformance, corrective actions and quality records

Basic Specific

The correct assigning and processing of NCRc The correct assigning and processing of NCRc

Oredering the applied materials in fabrication

manuals.

Oredering the applied materials in fabrication

manuals.

To set-up a fabrication manual. To set-up a fabrication manual.

16. Calibration and validation of measuring, inspection and testing equipment.

Basic Specific

The application of and/or the evaluation of the

correct use of testing equipment.

The application of and/or the evaluation of the

correct use of testing equipment.

Documents

Competence Requirements for Responsible Welding Coordinators_BU