Transcript Best practice - from the perspective of NoBo

Best practice –
from the perspective of NoBo
EN 1090
Zoltán GÖRBE, welding eng., ÉMI-TÜV SÜD Ltd., Hungary
Oslo, 24. april 2013.
ÉMI-TÜV SÜD Kft.
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Best practice - from the perspective of NoBo
TÜV SÜD is one of the world's leading technical service organisations
ÉMI-TÜV SÜD Kft.
Prezentáció, 2015.04.13..
Best practice - from the perspective of NoBo
America:
Headquarter
TÜV SÜD America Inc.
Peabody, Massachusetts
Europe:
Headquarter
TÜV SÜD AG
München, Germany
Asia:
Headquarter
TÜV SÜD Asia Pacific Pte. Ltd.
Singapore
more than 17,000 employees
800 locations
ÉMI-TÜV SÜD Kft.
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Best practice - from the perspective of NoBo
About ÉMI-TÜV SÜD Ltd. (Hungary)
Headquarter:
Offices:
Hajdúnánás
Szentendre
Budapest
Nagykanizsa
since 1991
155 employees
8 departments
ÉMI-TÜV SÜD Kft.
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Best practice - from the perspective of NoBo
Notified Body
Directives
87/404/EEC
97/23/EC
95/16/EC
98/37/EC
Simple Pressure Vessels
Pressure Equipment
Lifts
Machinery
89/106 EEC-CPD Construction products
ÉMI-TÜV SÜD Kft.
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Best practice - from the perspective of NoBo
What will be discussed?
5 questions - 5 answers
1. thermal cutting
2. tack welds
3. painting
4. initial type testing
5. subcontractor of welding
ÉMI-TÜV SÜD Kft.
Prezentáció, 2015.04.13..
Best practice - from the perspective of NoBo
1. thermal cutting
2. tack welds
3. painting
4. initial type testing
5. subcontractor of welding
ÉMI-TÜV SÜD Kft.
Prezentáció, 2015.04.13..
Best practice - from the perspective of NoBo
Thermal cutting
The capability of thermal cutting processes shall be
periodically checked - EN 1090-2 6.4.3 (EN ISO 9013)
• Quality of the cut surfaces
perpendicularity or angularity tolerance (u)
mean height of the profile (Rz5)
• Hardness of surfaces (HV 10)
ÉMI-TÜV SÜD Kft.
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Manufacturer
Nyír-Mezőgép Ltd.,Hungary
Execution class
EXC 3
Product
steel structure,
for buildings
Material
S355J2 / EN 10025-2
ÉMI-TÜV SÜD Kft.
Prezentáció, 2015.04.13..
Best practice - from the perspective of NoBo
ÉMI-TÜV SÜD Kft.
Prezentáció, 2015.04.13..
Best practice - from the perspective of NoBo
Questions
Who has to have these tests
executed?
Answers
The owner/user of the thermal
cutting equipment.
These results will be valid for
that particular cutting machine.
What shall happen with a new Tests must be done for this
or another cutting equipment? cutting equipment, too.
ÉMI-TÜV SÜD Kft.
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ÉMI-TÜV SÜD Kft.
Subcontractor
(thermal cutting)
Nyír-Dinamika Ltd.
specifications
drawings
plates with certificates
systematically supervise the process
thermal cutting test report
contract (which equipment)
cutting list (each project)
cut parts
Manufacturer
Nyír-Mezőgép Ltd.
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Example for typical shape from
representative thickness
sharp corner, curved arc (EN 1090-2 6.4.3)
D
D ≥ 200 mm
L ≥ 200 mm
ÉMI-TÜV SÜD Kft.
Prezentáció, 2015.04.13..
Best practice - from the perspective of NoBo
1. thermal cutting
2. tack welds
3. painting
4. initial type testing
5. subcontractor of welding
ÉMI-TÜV SÜD Kft.
Prezentáció, 2015.04.13..
Best practice - from the perspective of NoBo
Tack welds
„The minimum length of the tack shall be the lesser of
four times the thickness of the thicker part or 50 mm,
unless a shorter length can be demonstrated as
satisfactory by test.” – EN 1090-2, 7.5.7
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Manufacturer
GeneralNet Corp., Hungary
Execution class
EXC 2
Product
steel structure for
mobile telecommunication
Material
S235JR / EN 10025-2
ÉMI-TÜV SÜD Kft.
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Best practice - from the perspective of NoBo
ÉMI-TÜV SÜD Kft.
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Best practice - from the perspective of NoBo
Question
How can be demonstrated the
conformity of the 10 mm long
tack welds?
Answer
With tack weld test.
Visual testing / EN ISO 17637
Macro examination
Penetrant test / EN 571-1
or
Magnetic particle inspection /
EN 17638
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Tack weld
ÉMI-TÜV SÜD Kft.
Fillet weld
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Visual test
passed
Penetrant test
passed
Macro examination
passed
Shorter tack weld length can be demonstrated as
satisfactory by test.
ÉMI-TÜV SÜD Kft.
Prezentáció, 2015.04.13..
Best practice - from the perspective of NoBo
1. thermal cutting
2. tack welds
3. painting
4. initial type testing
5. subcontractor of welding
ÉMI-TÜV SÜD Kft.
Prezentáció, 2015.04.13..
Best practice - from the perspective of NoBo
Painting
According to EN 1090-2 F6.1, the temperature of the
surfaces to be coated should be 3 degrees above the
dew point.
ÉMI-TÜV SÜD Kft.
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Manufacturer
Nyír-Dinamika Ltd.,Hungary
Execution class
EXC 1
Product
steel structure
basis of machines
Material
S355J2 / EN 10025-2
ÉMI-TÜV SÜD Kft.
Prezentáció, 2015.04.13..
Best practice - from the perspective of NoBo
ÉMI-TÜV SÜD Kft.
Prezentáció, 2015.04.13..
Best practice - from the perspective of NoBo
Questions
Answers
Which equipments must be
used to measure temperature
and humidity?
Calibrated thermometers and
humidity meters.
Which are the most important
data of the painting log?
Date
Air & steel temperature
Air humidity
Dew point
List of products
Name of paint
Thickness of coating
Painter’s name
ÉMI-TÜV SÜD Kft.
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Subcontractor
(painting)
ÉMI-TÜV SÜD Kft.
Nyír-Mezőgép Ltd.
specifications
workpieces
systematically supervise the process
contract
declaration (painting acc. to
EN 1090-2 Annex F)
surface preparation
painting
Manufacturer
Nyír-Dinamika Ltd.
Prezentáció, 2015.04.13..
Best practice - from the perspective of NoBo
1. thermal cutting
2. tack welds
3. painting
4. initial type testing
5. subcontractor of welding
ÉMI-TÜV SÜD Kft.
Prezentáció, 2015.04.13..
Best practice - from the perspective of NoBo
Initial type testing
„Initial type testing is the complete set of tests or other
procedures, determining the performance of samples of
products representative of the product type.”
– EN 1090-1, 6.2.1
ÉMI-TÜV SÜD Kft.
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Question
There is no order for any
product acc. to EN 1090.
Answer
How can a manufacturer prove The product for initial type
that they are capable to
testing can be a simple welded
execute the initial type testing? structure.
Important!
EXC of this simple structure =
= EXC to be certified
ÉMI-TÜV SÜD Kft.
Prezentáció, 2015.04.13..
Best practice - from the perspective of NoBo
1. thermal cutting
2. tack welds
3. painting
4. initial type testing
5. subcontractor of welding
ÉMI-TÜV SÜD Kft.
Prezentáció, 2015.04.13..
Best practice - from the perspective of NoBo
Question
The subcontractor has got
only EN 3834-2 certificate.
The manufacturer is
responsible for the whole
product, the subcontractor is
responsible for the welding
technology.
Is EN 3834-2 enough for
manufacturing according to
EN 1090-1?
ÉMI-TÜV SÜD Kft.
Answer
This is not enough.
The subcontractor has to be
certified acc. to EN 1090-1 by
a Notified Body for the suitable
execution class.
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www.emi-tuv.hu
www.en1090.hu
[email protected]
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