KOORDINATOR-doc 135 Ewf 1090 Workshop 2013 Part 2
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Transcript of KOORDINATOR-doc 135 Ewf 1090 Workshop 2013 Part 2
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November 2013, OeirasIng. Henk J. M. Bodt IWE
Bodt Welding Consultancy
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Program!
The program for this afternoon:
1. Brief repetition of this morning’s discussion.
2. How to qualify a Welding Coordinator?
3. Requirements for the Welding Coordinator in EA-6/024. How to practically comply with the requirements?
5. Checklist
6. Professional Interview
7. Questions for discussion
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Involvement of the (R)WC, table A3 in EN 1090-2
EXC 1 EXC 2 EXC 3 EXC 47.1 General EN-ISO 3834-4 EN-ISO 3834-3 EN-ISO 3834-2 EN-ISO 3834-2
7.4 Qualification of welding procedures and welding personnel
7.4.1 Qualification of welding
procedures
Nr See Table 12 and
Table 13
See Table 12 and
Table 13
See Table 12 and
Table 13
7.4.2 Qualification of welders andoperators
EN 287-1 /EN 1418
EN 287-1 /EN 1418
EN 287-1 /EN 1418
EN 287-1 /EN 1418
7.4.3 Welding coordination Nr Technical knowledge
according Tables 14
or 15
Technical knowledge
according Tables 14
or 15
Technical knowledge
according Tables 14
or 15
7.5.1 Joint preparation Nr Nr Prefabrication
primers not allowed
Prefabrication
primers not allowed
7.5.6 Temporary attachments Nr Nr Use to be specifiedCutting and chipping
not permitted
Use to be specifiedCutting and chipping
not permitted
7.5.7 Tack welds Nr Qualified welding
procedure
Qualified welding
procedure
Qualified welding
procedure
7.5.9 Butt welds
7.5.9.1 General
7.5.9.2 Single side welds
Nr Run on/run off
pieces if specified
Run on/run off
pieces. Permanent
backing continuous
Run on/run off
pieces. Permanent
backing continuous
7.5.17 Execution of welding Removal of spatter Removal of spatter
7.6 Acceptance criteria EN-ISO 5817 Quality
level D
EN-ISO 5817 Quality
level C generally
EN-ISO 5817 Quality
level B
EN-ISO 5817 Quality
level B and
Additional B+
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Tasks of the Welding Coordinator (EN-ISO 14731 Annex B)
B.1 Review of requirements (2 sub-items)
B.2 Technical review (6 sub-items)
B.3 Sub-contracting
B.4 Welding personnel
B.5 Equipment (5 sub-items)
B.6 Production planning (6 sub-items)
B.7 Qualification of the welding procedures
B.8 Welding procedure specifications
B.9 Work instructions
B.10 Welding consumables (4 sub-items)
B.11 Materials (3 sub-items)
B.12 Inspection and testing before welding (8 sub-items)
B.13 Inspection and testing during welding (8 sub-items)
B.14 Inspection and testing after welding (5 sub-items)
B.15 Post-weld heat treatmentB.16 Non-conformance and corrective actions
B.17 Calibration and validation of measuring, inspection and testing equipment
B.18 Identification and traceability (11 sub-items)
B.19 Quality records
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• Structural steel products (5.3)
• Welding consumables (5.5)
(Suitability for welding)
• List of handling and storage preventive measures (Table 8)
• Thermal cutting (6.4.3) (hardness…) • Flame straightening (6.5.3)
• Cold forming (6.5.4) (heat treatment)
• Specific requirements for the Welding Plan (7.2)
• Welding processes (7.3)• Qualification of welding procedures and welding personnel (7.4)
• Etc.
Additional Tasks of the Welding Coordinator – 1 (EN 1090-2)
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More from EN 1090-2:
• Inspection and testing to be under supervision of the
(R)WC.
• Weld repairs require approval of the Welding Coordinator.• The Welding Coordinator shall indicate what and how to
be calibrated!
• Extra welding procedure tests are sometimes required;
the Welding Coordinator shall take care about that
• Etc.
Additional Tasks of the Welding Coordinator – 2 (EN 1090-2)
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Tasks and responsibilities:
1. Specification of tasks and responsibilities for each
Welding Coordinator (4.2)
2. Knowledge:
a) General knowledge requirements for each Welding
Coordinator (6.1)
b) Specific knowledge requirements for the responsible
Welding Coordinator (RWC) (6.2)
The Welding Coordinator, specifications from EN-ISO 14731
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Tasks of the Welding Coordinator (EN-ISO 14731)
4.2 Specification of tasks and responsibilities for each Welding CoordinatorThe tasks of the Welding Coordinator shall be selected from the applicable part of ISO
3834, in accordance with the criteria defined in ISO 3834-1 (see Annex B).
Each single activity in Annex B may be associated with a number of tasks and
responsibilities, such as:
• specification and preparation,• control,
• inspection, check or witnessing.
Where welding coordination is carried out by more than one person, the tasks and
responsibilities shall be clearly allocated, such that responsibility is clearly defined and the
persons are qualified for each specific welding coordination task.Welding coordination is the sole responsibility of the manufacturer.
The manufacturer shall appoint at least one responsible Welding Coordinator.
Welding coordination may be subcontracted. However, compliance to this International
Standard remains the responsibility of the manufacturer.
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Tasks of the Welding Coordinator (EN-ISO 14731 Annex B)
Tasks (67 in total detail !) Specification &
preparation
Control Inspection, check or
witnessing
B.1 Review of requirements
B.2 Technical review
B.3 Sub-contracting
B.4 Welding personnel
B.5 Equipment
B.6 Production planning
B.7 Qualification of the welding procedures
B.8 Welding procedure specifications
B.9 Work instructions
B.10 Welding consumables
B.11 Materials
B.12 Inspection and testing before welding
B.13 Inspection and testing during welding
B.14 Inspection and testing after welding
B.15 Post-weld heat treatment
B.16 Non-conformance and corrective actions
B.17 Calibration and validation of measuring, inspection and
testing equipment
B.18 Identification and traceability
B.19 Quality records
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Tasks of the Welding Coordinator (EN-ISO 14731)
5 Job description
5.1 General
A job description is required for the welding coordination personnel, which shall include their tasks
and responsibilities.
5.2 Tasks
For identification of the tasks assigned to the welding coordination personnel, see 4.2 and Annex B.
5.3 Responsibilities
The responsibilities assigned to the welding coordination personnel are identified as follows:
• their position in the manufacturing organization and their responsibilities;
•
the extent of authorization accorded to them to accept by signature on behalf of themanufacturing organization, as needed in order to fulfil the assigned tasks, e.g. for procedure
specification and supervision reports;
• the extent of authorization accorded to them to carry out the assigned tasks.
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Tasks and responsibilities:1. Specification of tasks and responsibilities for each
Welding Coordinator (4.2)
2. Knowledge:a) General knowledge requirements for each Welding
Coordinator (6.1)
b) Specific knowledge requirements for the responsible
Welding Coordinator (RWC) (6.2)
The Welding Coordinator, specifications from EN-ISO 14731
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The Welding Coordinator (EN-ISO 14731)
2.a. General knowledge requirements of all welding coordination personnel (WC).
– general technical knowledge;
– specialized technical knowledge in welding and allied processes relevant to the assignedtasks, which shall be attained by a combination of theoretical knowledge, trainingand/or experience.
2.b. Specific requirements for the responsible Welding Coordinator (RWC).Grouping of responsible Welding Coordinators:
a) personnel with comprehensive technical knowledge, where full technical knowledge isrequired, in accordance with 6.1, for the planning, executing, supervising and testing of alltasks and responsibilities in welding fabrication;
b) personnel with specific technical knowledge, where the level of technical knowledgeneeds to be sufficient for the planning, executing, supervising and testing of the tasks andresponsibilities in welding fabrication within a selective or limited technical field;
c) personnel with basic technical knowledge, where the level of technical knowledge needsto be sufficient for the planning, executing, supervising and testing of the tasks andresponsibilities within a limited technical field, involving only simple weldedconstructions.
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The Welding Coordinator (EN-ISO 14731)
Annex A
(informative)
Recommendations for technical knowledge in welding
The International Institute of Welding (IIW) has, on a voluntary basis, prepared recommendations
for minimum requirements for education, examination and qualification of welding coordination
personnel.
The recommendations are stated in the following documents:⎯ International Welding Engineer (IWE),
Doc. IAB-252;
⎯ International Welding Technologist (IWT),
Doc. IAB-252;
⎯ International Welding Specialist (IWS),
Doc. IAB-252.
Welding coordination personnel fulfilling the requirements of these documents, or holding
acceptable national qualifications, may be considered to satisfy the relevant requirements of 6.2.
EWF ddi i h
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EWF addition to the system
European addition to the
education for Welding
Coordinator is here!
• EWF introduced a
supplementary Europeaneducation scheme, meant
especially for the SME in
steel construction work.
•
B and S levels; EXC 2 and 3,up to and including S355.
Th W ldi C di (EN ISO 14731)
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The Welding Coordinator (EN-ISO 14731)
So: the Welding Coordinator in three levels: – comprehensive technical knowledge
– specific technical knowledge
– basic technical knowledge
• Sometimes there might be a requirement
for a certified Welding Coordinator.
• Can/may be more than one person.
• Always ONE responsible: the “RWC”!
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EN 1090-2 par. 7.4.3 “Welding Coordinators” (table 14)
EXCSteels
(Steel group)Reference standards
Thickness (mm)
t≤25a 25 < t ≤ 50 t>50
EXC2
S235 to S355(1.1, 1.2, 1.4)
EN 10025-2 EN 10025-3 EN 10025-4EN 10025-5, EN 10149-2, EN 10149-3
EN10210-1, EN 10219-1B S C
c
S420 to- S700(1.3, 2, 3)
EN 10025-3 EN 10025-4 EN 10025-6EN 10149-2, EN 10149-3EN10210-1, EN 10219-1
S Cd C
EXC3
S235 to S355(1.1, 1.2, 1.4)
EN 10025-2 EN 10025-3 EN 10025-4EN 10025-5, EN 10149-2, EN 10149-3
EN10210-1, EN 10219-1S C C
S420 to S700(1.3, 2, 3)
EN 10025-3 EN 10025-4 EN 10025-6EN 10149-2, EN 10149-3EN10210-1, EN 10219-1
C C C
EXC4 All All C C C
a
Column base plates and endplates ≤ 50mm b Column base plates and endplates ≤ 75mm
c For steels up to and including S275 level S is sufficient
d For steels N, NL, M and ML level S is sufficient
B: Basic technical knowledge
S: Specific technical knowledge
C: Comprehensive technical knowledge
“ ld d ” ( bl )
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EN 1090-2 par. 7.4.3 “Welding Coordinators” (table 15)
EXCSteels
(Steel group)Reference standards
Thickness (mm)
t≤25 25 < t ≤ 50 t>50
EXC2
Austenitic(8)
EN 10088-2:2005, Tabel 3EN 10088-3:2005, Tabel 4EN 10296-2:2005, Tabel 1EN 10297-2:2005, Tabel 2
B S C
Austenitic-ferritic(10)
EN 10088-2:2005, Tabel 4EN 10088-3:2005, Tabel 5EN 10296-2:2005, Tabel 1EN 10297-2:2005, Tabel 3
S C C
EXC3
Austenitic(8)
EN 10088-2:2005, Tabel 3EN 10088-3:2005, Tabel 4EN 10296-2:2005, Tabel 1EN 10297-2:2005, Tabel 2
S C C
Austenitic-ferritic
(10)
EN 10088-2:2005, Tabel 4EN 10088-3:2005, Tabel 5
EN 10296-2:2005, Tabel 1EN 10297-2:2005, Tabel 3
C C C
EXC4 All All C C C
B: Basic technical knowledge
S: Specific technical knowledge
C: Comprehensive technical knowledge
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Qualification of a Welding Coordinator
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Qualification of a Welding Coordinator
Lots of questions:• Does the RWC have sufficient experience in the welding operations he supervise
as specified in EN-ISO 14731?
• Does the RWC have a suitable role, with given responsibilities to coordinate the
welding operations, defined by the manufacturer? (See EN-ISO 14731, Annex B.)
• Does the technical discussion with the RWC demonstrate that he has sufficientknowledge about relevant standards, regulations and specifications as per
EN 1090-2, clause 7.4.3 and EN-ISO 14731, Annex B?
• Does the RWC have the ability to detect and assess defects, to give instructions
on welding repairs and know how to avoid defects?
•
Does the RWC have relevant technical knowledge complying with one of the IIWqualifications?
• Etc.
But how to implement??
Qualification of a Welding Coordinator (EWF/IIW)
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Qualification of a Welding Coordinator (EWF/IIW)
European Accreditation is quite clear in EA-6/02:2013Special attention for the Audit Team in evaluating the competence of the
manufacturer’s Welding Coordinators in accordance with
EN ISO 14731 (reference 6).
The EN ISO 3834 Audit Team shall:
i. contain persons with direct product/process/materials competence in the
products/processes/materials being audited, and
ii. contain at least one individual who is qualified and experienced in welding to
a level that is sufficient to demonstrate that he/she is competent to Audit the
company’s Authorised Welding Coordinator(s) in accordance withEN ISO 14731, ‘Welding Coordination – tasks and responsibilities’
(reference 6).
Q lifi ti f W ldi C di t (EWF/IIW)
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Qualification of a Welding Coordinator (EWF/IIW)
Situation
Additional requirement
Activity required towards the (R)WC EWF/IIW qualification is
available (E/IWE, E/IWT,
E/IWS)
“Type 1”
None Check on adequate experience and
competence in the products being
manufactured by means of a professional
interview and examination of the Welding
Coordinator’s curriculum vitae.
EWF/IIW Personnel
Certification is available
(CE/IWE, CE/IWT,
CE/IWS)
“Type 1”
Schedule should
support the scope of
work allocated to the
Welding Coordinator
Check on adequate experience and
competence in the products being
manufactured by means of a professional
interview.
If none of the above
EWF/IIW certifications or
qualifications areavailable
“Type 2”
None Verify compliance by means of a professional
interview covering knowledge, skills,
experience and competence with particularemphasis on welding technology, materials
and their behaviour during welding, design
fundamentals of welded construction, as well
as fabrication and inspection aspects
(including knowledge of standards) in the
Qualification of a Welding Coordinator (EWF/IIW)
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Qualification of a Welding Coordinator (EWF/IIW)
The professional interview process shall involve theexamination of specific contract(s) to Audit
compliance with the customer’s specification
E.g. in the following areas: – selection/development of welding procedures
– welding sequences
– NDT and heat treatment
– approval of personnel
–
traceability – quality control and acceptance
– sub-contracting
Qualification of a Welding Coordinator (EWF/IIW)
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Qualification of a Welding Coordinator (EWF/IIW)
This means that technical discussions must take placebetween each Welding Coordinator and the relevant
Auditor regarding the detailed technical scope of the
Welding Coordinator's responsibilities and the interview
should take the form of a peer review and challengeprocess. This process will require the Auditor to examine
evidence of completed work done by each Welding
Coordinator and to investigate his/her knowledge and
understanding of it. The certification body shall maintainfull records of the process of evaluation of the
manufacturer’s Welding Coordinators.
Qualification of a Welding Coordinator (EWF/IIW)
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Qualification of a Welding Coordinator (EWF/IIW)
Basically we can see two essentially different professionalinterviews (see table in sheet 21):
1. Checking the actual knowledge related to the
manufactured products to be covered by the Welding
Coordinator.
2. As specified in 1, but additionally covering knowledge,
skills, experience and competence in the fields that are
supposed to be covered by EWF/IIW qualifications and
certifications.
Qualification of a Welding Coordinator (EWF/IIW)
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Qualification of a Welding Coordinator (EWF/IIW)
That means:
General knowledge and skill check for the (R)WC:
• Challenge the (R)WC by asking questions of the “what-if” type;
• Try to cover his/hers whole scope of work.
Additional knowledge and skill check for the (R)WC:
Type 1:
• Select a running (just delivered) contract and follow every single step as related
to the (Responsible) Welding Coordinator;
Type 2:
•
As under 1, but in addition select random questions out of the questionsdatabase for EWF Guideline 652 or IAB 252 and use them as a guidance for the
Professional Interview Type 2. All relevant modules shall be covered!
Program!
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Program!
The program for this afternoon:
Brief repetition of this morning’s discussion.
How to qualify a Welding Coordinator?
Requirements for the Welding Coordinator in EA-6/02
How to practically comply with the requirements?
Checklist
Professional Interview
7. Questions for discussion
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Questions for discussion for the professional interview (EWF/IIW)
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Q p ( / )
Questions for discussion:
1. The system looks quite subjective; is there another way?
2. Should a minimum time be allocated to the professional Interview?
3. Should a “technical shop-tour” be an essential element in the
interview? (Note: that’s not always possible!)
4. Should EWF/IIW make a detailed check list for the professional
interview as specified in the Rules EWF 639r2-12 and
IAB 340r2-12?
5. Shall the evaluation be carried out on the RWC only or should it also
involve the other WC’s as mentioned in the company’s WC matrix? The group will be divided in 4 sub-groups; two groups will deal with
questions 1 and 2, the other two groups with questions 3, 4 and 5.