KAN-TN-LI 07 - KAN Requirement for Performing NDT
KAN-TN-LI 07
KAN TECHNICAL NOTES FOR
ACC REDITATION OF
INSPECTION BODIES
PERFORMING NOT
Issue Number: 3
April 2016
Komite Akreditasi Nasional
National Accred itation Body of Indonesia
Gedungl BPPT Lt. 14
JI. M.H. Thamrin No. 8, Kebon Sirih, Jakarta 10340 - I ndonesia
Tel.
: 62 21 3927422
Fax.
: 62 21 3927528
Email : laboratorium@bsn.go.id ; lembagainspeksi.kan@gmail.com
Website: www.kan.or.id
Komite Akreditasi Nasional
KAN-TN-LI 07
Issue Number: 3
7 April 2016
APPROVAL SHEET
Reviewed by
Quality Manager of National Accreditation Committee
of Indonesia (KAN)
Approved by
Director of National Accreditation Committee
of Indonesia (KAN)
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KAN-TN-LI 07
Issue Number: 3
7 April 2016
LIST OF AMENDMENT
No.
Date
Part Number
Revised
Brief Description of
Changes
Part
Revision
Number
1
12/06/08
Identification
document DPLI
04
Identification document changed to
KAN - R-LI 07
2
2
07/04/16
Identification
document KANR-LI 07
Identification document changed to
KAN-TN-LI 07
2
3
07/04/16
All
Replace "SNI 19-17020-1999" into
"SNI ISO/IEC 17020:2012"
2
ii
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Issue Number: 3
7 April 2016
KAN TECHNICAL NOTES FOR THE ACCREDITATION OF
INSPECTION BODIES PERFORMING NOT
1
INTRODUCTION
1.1
These technical notes describe the requirements to be complied by inspection
bodies performing NOT before they can be accredited.
1.2
These technical notes shall be studied in conjunction with the requirement in
standard SNI ISO/IEC 17020:2012 Conformity assessment - Requirements for
the operation of various types of bodies performing inspection.
1.3
NOT inspections are carried out by inspection bodies at manufacturer's premises
or at the customer sites.
1.4
Inspection body performing NOT that accredited under SNI ISO/IEC 17020:2012,
may perform and report on the following activities:
a)
b)
c)
d)
1.5
testing to appropriately defined standards and procedures,
interpretation of test results against the agreed acceptance standards,
determination of conformity,
determination of significance of defects found, based on the test results.
This technical note document covers the inspection of equipment materials,
components and assemblies in sector such as gas petroleum and chemical,
power generation, building and construction, aerospace, automotive and other by
means of the following techniques using the following NOT methods:
a) Radiographic testing
b) Liquid or dye penetrant testing
c) Ultrasonic testing
d) Magnetic particle testing
e) Eddy current testing
f) Leak testing
g) Other NOT methods
2
SCOPE OF ACCREDITATION
2.1
The scope of accreditation is the formal statement of the range of activities
for which the inspection body has been accredited.
2.2
The scope is recorded on an accreditation schedule, which is issued
together with the accreditation certificate.
2.3
The scope should be defined as precisely as possible so that all parties
concerned know accurately and unambiguously the range of inspection
methods and type of products covered by the inspection bodies
accreditation.
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3
Issue Number: 3
7 April 2016
2.4
KAN will only accredit inspection bodies for inspections, which have been
fully documented and validated. These may include national and
international standard methods, client and in-house methods.
2.5
The validation of methods should not be taken for granted and the
inspection bodies shall satisfy itself that the degree of validation of a
particular technique is adequate for its purpose.
REQUIREMENT FOR INSPECTOR
3.1
The inspection body management should ensure the integrity of inspector
involved in NOT inspection work and that inspector is free from all
pressures, wh ich might affect their impartiality and affect their judgment.
3.2
The inspection body management shall have regulation , policy or
procedures for: A code of ethic to inspector, supervision or monitoring of
inspector on-site inspection, taking legal sanction to malpractices of
inspector, maintenance of detail inspection record on site by inspector.
Supervision of inspection body personnel, client feedback and or
complaints for performance inspector. Annual review of inspector
performance in conducting inspections by inspection body.
3.3
Inspector shall have possessing a minimum formal academic qualification
not less than bachelor or diploma in the engineering, science or equivalent
field from accredited university, institution or college.
3.4
Signatory approval for KAN endorsed inspection certificates shall have
minimum experience in non-destructive testing techniques not less than 5
years and approval by KAN based on recommendation of KAN lead
assessor.
3.5
Inspector shall have Personnel qualifications from a recognized certification
scheme meeting the requirements of SNI 19-6364-2000 equivalent to ISO
9712 or EN 473 or of a standard that can be demonstrated to be equivalent
to these standards are acceptable to KAN.
3.6
Inspector shall have sound knowledge of and experience in the use of,
applicable non-destructive testing techniques, knowledge of relevant
materials, manufacturing processes and service conditions, experience and
ability to interpret and evaluate test data, ability to prepare routine and
critical reports, ability to control quality of performance of non-destructive
tests, adequate training and experience in non-destructive testing.
3.7
For KAN approved signatories, they shall be those independently certified
issued by a recogn ized certification bodies in Non-Destructive Testing
(Personnel Certification NOT Level 3).
3.8
The Inspector responsible for NOT should hold appropriate qualifications.
3.8.1
Assistance of inspector who perform routine technical and nontechn ical duties, working under close supervision should have
knowledge and experience relation with the duties that they are
required to perform.
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3.9
Issue Number: 3
7 April 2016
3.8.2
Inspector who , under direction, can take responsibility for
performance of routine inspection should have at least qualification
level I (operator) issued by recognized NOT personnel certification,
experience in performance of applicable non-destructive inspection ,
experience in the use of relevant codes , standards and
specifications and ability to apply appropriate codes, standards and
specifications to the requirements of specific projects, experience
and ability to interpret test and inspection data, ability to maintain
job records and prepares routine reports.
3.8.3
Supervisor of inspector who, exercising technical control and
responsible for control and supervision of non-destructive inspection
shall have the competence, authority and time for effective control
of non-destructive testing operations that they are responsible. They
are should have recognized NOT personnel certification level 3,
sound knowledge of, and experience in the use of, applicable nondestructive testing techn iques, knowledge of relevant materials,
manufacturing processes and service conditions, experience and
ability to interpret and evaluate test and inspection data, experience
in the use of relevant codes , standards and specifications, ability to
prepare routine and critical reports, ability to control quality of
performance of non-destructive tests , have adequate training and
experience in non-destructive testing.
The inspection body is required to demonstrate that inspector of NOT used
for examination have the knowledge and experience in the type of defects,
which may occur during manufacture examined.
3.10 The inspector responsible for determination of significance of defects found
based on test results , in addition to the appropriate qualifications,
experience, training and satisfactory knowledge of the examinations carried
out, also have:
3.10.1
Knowledge of the general requirements expressed in the
legislation and standards and an understanding of the significance
of defects found with regard to the normal use of the items,
material, product, etc.
3.10.2
Relevant knowledge of the technology used for the manufacturing
of the items tested (materials, products etc.) or the way they are
used or intended to be used and of the defects or degradation ,
which may occur during use.
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4
Issue Number: 3
QUALITY SYSTEM AND MANAGEMENT
4.1
Inspection bodies should have formal documented arrangements for
maintaining up-to-date records of all staff qualifications, training and
competencies including eyesight checks as specified by the relevant
personnel certification scheme.
4.2
Records should clearly identify whether staff can interpret the results in
addition to carrying out examinations.
4.3
Where inspectors are contracted the Inspection body shall ensure that such
personnel are competent, carry appropriate personnel certification, are
effectively supervised and that they work in accordance with the Inspection
bodies quality system using company equipment and procedures.
4.4
The inspection body shall check that the qualification and certification of
NOT personnel is appropriate to the inspection to be carried out. This
should include checking any limitations in the scope of competence
certified and the resu lting need for job specific training and authorization.
4.5
Inspection body are responsible for ensuring that inspector have all the
other relevant competencies, e.g. safety training, necessary for the
performance of their duties.
4.6
The quality system should describe the general and specific arrangements
for the conduct of all accredited activities including non-destructive testing
and should specifically incorporate:
-
-
5
7 April 2016
the arrangements for managing NOT work including the inspection
body interface and controls between the permanent facilities and
remote or site locations,
the control and authorization of NOT specific procedures and
techniques,
the need to ensure that inspection procedures and techn iques are
available at the point of inspection, whether in the central offices or
on site and the need for audit and review to include remote locations
and the interface controls.
EQUIPMENT AND CALIBRATION
5.1
Inspection body shall manage the equipment as follows :
a)
Inspection body is required to operate a program for the maintenance
and calibration of equipment used in the inspection body.
b)
Inspection body shall have the necessary evidence to show that the
requirements of the accreditation standard and this document are
met in respect of such equipment.
c)
Equipment shall be protected as far as possible from deterioration
and abuse and transportation from one location to another.
Precautions shall be taken to ensure that, after transportation to a
site, testing equipment remains in a serviceable state and that the
calibration remains valid.
d)
Appropriate checks shall be performed on site to confirm calibration
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e)
f)
g)
5.2
Issue Number: 3
7 April 2016
status before testing commences.
Equipment records shall be maintained up-to date and include a list
of all reference blocks, probes, etc. held by the inspection body.
The calibration of reference measuring equipment used for in-house
calibration/verification shall be traceable to national standards and,
wherever possible, shall be evidenced by certificates issued by an
accredited calibration laboratory.
Procedures for in-house calibrations and verifications shall be
adequately documented and describe how to perform the
calibration/verification.
RADIOGRAPHIC EQUIPMENT
Referenced film density strips shall be uniquely identified and
traceable by certificate to a national standard of measurement and
should carry a manufacturer's certificate, which is less than five
years old unless otherwise specified.
5.2.2
Working density strips should have the density of each step
ascertained using a calibrated and certificated densitometer, and
recorded either directly into the film or onto a card strip
permanently attached to the film . The date of first calibration
should be recorded on the strip.
5.2.3
All working density strips which are more than three years old , or
which have been subject to undue wear, should be taken out of
use and destroyed.
5.2.4
The sensitivity of a radiograph shall be established by means of
image quality indicators (IQI) or penetrometers appropriate to the
material and thickness. It may be necessary to hold
manufacturer's certificates of conformity for these IQls. The
condition of IQls and penetrometers should be monitored and
damaged devices withdrawn from use.
5.2.5
The type and location of the IOI or penetrometers shall be strictly
in accordance with the requirements of the agreed standard or
code.
5.2.6
Radiographic film processors should be maintained in accordance
with the manufacturer's recommendations. Regular monitoring of
the processor using pre-exposed film should take place to ensure
the correct operation of the processor and to verify that any film
classification system requirements are met.
5.2.7
The density of radiographs shall be ascertained using
densitometers.
The accuracy required determines whether
analogue or digital readouts are needed.
5.2.8
Densitometers shall be calibrated at defined intervals against a
reference density strip.
5.2.9
Hand-held densitometers should be zeroed each time th ey are
used, against the level of background illumination on which they
are to be used.
5.2.1 O Regular checks to establish that the densitometer is still operating
correctly and is in calibration shall be carried out between
calibrations.
5.2.11 Film density strips are subject to discoloring or fading and should
be carefully maintained and stored.
5.2.1
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5.2.12
5.3
5.4
Issue Number: 3
7 April 2016
Radiographic viewers and illuminators shall be periodically
checked for intensity and evenness of illumination.
ULTRASONIC EQUIPMENT
5.3.1
Ultrasonic test sets shall be verified daily or each time the
equipment is used including: Visual checks for damage, linearity of
time base, calibration of time base linearity of equipment gain.
5.3.2
The performance characteristics of ultrasonic probes and the
systems should be checked as follows: Probe index, probe beam
angle at least once per week, sensitivity and signal to noise ratio,
pulse duration.
5.3.3
Ultrasonic flaw detectors shall be verified at intervals not
exceeding twelve months in accordance with the controlling
specification, including: Linearity of time base, linearity of amplifier,
accuracy of calibrated attenuator.
5.3.4
The calibration of reference measuring equipment used for inhouse calibration shall be traceable to national standards and shall
be evidenced by a certificate, issued by an accredited calibration
laboratory.
5.3.5
Referenced blocks, control specimens and calibration blocks
should be stored in such a way as to prevent corrosion occurring.
5.3.6
Checks should be made to ensure the correct geometric position
of the probe in relation to the output signal.
5.3.7
Ultrasonic calibration blocks shall be used to set up the assembly
of probe and sensory electronics, each time the equipment is
used. The blocks shall be manufactured in accordance with the
appropriate specification.
5.3.8
All blocks shall be verified at specified intervals as follows: Visual
examination for deterioration such as corrosion or mechanical
damage, radius and other dimensional checks using equipment
traceable to national or international standards.
5.3.9
Where calibration blocks made from the material of the product
under test are used for setting up, the final test report should
indicate the calibration status of the test blocks. In all such cases
the transmission velocity of the pulse through the block material
should be measured and recorded , unless the inspection body has
alternative methods to demonstrate the traceability of the block.
LIQUID OR DYE PENETRANT EQUIPMENT
5.4.1
Standard flaw test pieces should be used to check the process.
The use of test pieces is not normally specified for portable test
kits.
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5.5
Issue Number: 3
7 April 2016
5.4.2
The temperatures of baths and water washes should be
monitored . Where the temperature of the test item is close to
specification lim its then the temperature of that item should be
measured.
5.4.3
The pressure of water washes and compressed air blow-offs
should be measured.
5.4.4
UV (A) light meters and white light meters shall be calibrated at
defined intervals.
5.4.5
When undertaking fluorescent penetrant examination , the intensity
of UV (A) light illumination at the inspection surface shall be
checked as frequently as necessary to monitor possible
deterioration of the illumination.
5.4.6
Where grimy, dusty or other contaminating environments are
involved , checking should be carried out each time the equipment
is used .
5.4.7
When non-fluorescent (i.e. color contrast) penetrant examination is
carried out, the intensity of illumination at the inspection surface
shall be checked at least once every three months.
5.4.8
Where illumination is controlled on a long-term basis, and should
be checked each time the equipment is used in situations where
illumination may be variable from test to test (egg in daylight
conditions). These checks require the use of a white light meter.
MAGNETIC PARTICLE EQUIPMENT
5.5.1
The solids content of bulk magnetic inks should be checked by a
method specified in the controlling standard. In the case of aerosols,
certificates of conformity should be obtained from the manufacturer
for each batch.
5.5.2
When using non-fluorescent inks and powders, the level of
illumination at the inspection surface should be checked at regular
intervals where illumination is by artificial means, and should be
checked each time the equipment is used where daylight
illumination is employed . These checks require the use of a white
light meter.
5.5.3
When using fluorescent inks and powders, the intensity of UV(A)
light at the test surface shall be checked as frequently as necessary
to monitor possible deterioration of the illumination. These checks
require the use of a UV(A) light meter. The ambient white light level
shall be checked at least once every three months where
illumination is controlled on a long-term basis, and should be
checked each time the equipment is used in situations where
illumination may vary from test to test (egg in daylight conditions).
These checks require the use of a white light meter.
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5.6
Issue Number: 3
7 April 2016
5.5.4
UV(A) light meters and White light meters shall be calibrated at
defined intervals.
5.5.5
The apparatus and ancillary equipment shall be checked at regular
intervals.
5.5.6
The strength of permanent magnets and magnetic yokes shall be
checked at regular intervals.
5.5.7
Flux indicators should be used to demonstrate the direction of flux.
Traceability is not required .
5.5.8
Tests to check the sensitivity of the indications looked for should be
carried out using suitable test pieces.
EDDY CURRENT EQUIPMENT
5.6.1
Certificates from an accredited calibration laboratory shall
evidence the calibration of reference measuring equipment used
for in-house dimensional verification.
5.6.2
The dimensions of holes and the thickness of the calibration piece
shall be certified by the manufacturer or established in-house by
means, which are traceable to national or international standards.
5.6.3 For portable equipment, a reference 'sensitivity block', dimensionally
certified by the manufacturer, should normally be used for checking
the response of the equipment to known flaws. For specialized
applications, such as tube testing , reference standards should be
prepared from material of the same alloy and nominal dimensions
as the product to be tested.
5.6.4
For automatic eddy current testing of tubes, reference standards
should be prepared from material of the same alloy and nominal
dimensions as the tube to be tested. The dimensions of holes or
notches and the thickness of the calibration piece shall be certified
by the manufacturer or established in-house by means, which are
traceable to national standards.
5.6.5
Where eddy current examination is used for sorting of materials or
products, reference test standards should be prepared from the
same material, heat treatment and nominal dimensions as the
materials or products to be tested.
5.6.6
List of all reference blocks, control specimens, reference pieces and
calibration blocks should be kept with details of the main
characteristics: (e.g. material, conductivity, manufacture, heat
treatment).
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6
Issue Number: 3
7 April 2016
INSPECTION METHODS/PROCEDURES
Inspection procedures should contain, or refer to, other documents containing the
following, and supplemented by any further information necessary to fully specify
the examination:
a)
b)
c)
d)
e)
f)
g)
h)
i)
j)
k)
I)
m)
n)
o)
p)
7
title, unique reference number, issue or revision status and date of issue;
unique identification of Inspection body producing the procedure;
on each page, the page number, the total number of pages in the
procedure and the unique reference number;
preparation and approval signature, such that the author and the approval
authority can be readily identified;
scope of the procedure, giving precise description of the range of
applicability (e.g. range of diameters and thickness);
reference test procedure (contractual) and/or European or national
standard specifications on which the procedure is based and its
issue/revision status; work instructions should reference the controlling
procedure;
terms and definitions used within the procedure and/or reference to a
document defining such terms;
equipment to be utilized, including consumables, complying with relevant
specification requirements;
calibration/verification and maintenance requirements, or reference to
procedures controlling these activities;
personnel qualifications or certification needed for performance of test
work/evaluation of results, complying with any specification requirements;
surface condition required prior to commencing test;
requirements for identification of test items (by reference to a general test
procedure if applicable);
test method, defining precisely how the test is to be performed, including
method of establishment of appropriate datum levels;
criteria for recording and reporting the results;
acceptance standards, where specified;
reporting methods, detailing all aspects that are required to be included in
the test report with provision for the operator to report any limitation of
access or sampling encountered during the test.
RECORDS
a)
b)
c)
d)
e)
f)
Notebooks/worksheets include the date of inspection, operator, inspection
procedure, test item details, test observations, all rough calculations and
other relevant data.
Notebooks/worksheets are adequately completed; mistakes are crossed
out and not erased.
Control and verification checks are documented.
Where a mistake is corrected the person making the correction signs the
alteration.
The inspection body's procedures for checking data transfers and
calculations are being complied with.
Records are readily retrievable.
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7 April 2016
INSPECTION REPORTS
a)
b)
c)
d)
9
Issue Number: 3
The report meets the requirements of accreditation standard, the method
and any additional requirements specified by the client or
national/international standard.
The inspection location is clearly identified and component identification is
unambiguously defined.
Inspection specifications and acceptance criteria are fully specified.
Where sampling is involved this is clearly identified.
BIBLIOGRAPHY
EA - 4/15 G:2015 Accreditation for Non-Destructive Testing
SNI 19-6364-2000 Non-destructive testing - Qualification and certification of
personnel.
ISO 9712 Non-destructive testing - Qualification and certification of personnel
EN 4179 Qualification and approval of personnel for non-destructive testing
EN ISO 3059 Non-destructive testing - Penetrant and magnetic particle testing.
EN 25580 Minimum requirements for industrial radiographic illuminators for nondestructive testing.
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KAN TECHNICAL NOTES FOR
ACC REDITATION OF
INSPECTION BODIES
PERFORMING NOT
Issue Number: 3
April 2016
Komite Akreditasi Nasional
National Accred itation Body of Indonesia
Gedungl BPPT Lt. 14
JI. M.H. Thamrin No. 8, Kebon Sirih, Jakarta 10340 - I ndonesia
Tel.
: 62 21 3927422
Fax.
: 62 21 3927528
Email : laboratorium@bsn.go.id ; lembagainspeksi.kan@gmail.com
Website: www.kan.or.id
Komite Akreditasi Nasional
KAN-TN-LI 07
Issue Number: 3
7 April 2016
APPROVAL SHEET
Reviewed by
Quality Manager of National Accreditation Committee
of Indonesia (KAN)
Approved by
Director of National Accreditation Committee
of Indonesia (KAN)
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Komite Akreditasi Nasional
KAN-TN-LI 07
Issue Number: 3
7 April 2016
LIST OF AMENDMENT
No.
Date
Part Number
Revised
Brief Description of
Changes
Part
Revision
Number
1
12/06/08
Identification
document DPLI
04
Identification document changed to
KAN - R-LI 07
2
2
07/04/16
Identification
document KANR-LI 07
Identification document changed to
KAN-TN-LI 07
2
3
07/04/16
All
Replace "SNI 19-17020-1999" into
"SNI ISO/IEC 17020:2012"
2
ii
Dokumen ini tidak dikendalikan jika diunduh/Uncontrolled when downloaded
Komite Akreditasi Nasional
KAN-TN-LI 07
Issue Number: 3
7 April 2016
KAN TECHNICAL NOTES FOR THE ACCREDITATION OF
INSPECTION BODIES PERFORMING NOT
1
INTRODUCTION
1.1
These technical notes describe the requirements to be complied by inspection
bodies performing NOT before they can be accredited.
1.2
These technical notes shall be studied in conjunction with the requirement in
standard SNI ISO/IEC 17020:2012 Conformity assessment - Requirements for
the operation of various types of bodies performing inspection.
1.3
NOT inspections are carried out by inspection bodies at manufacturer's premises
or at the customer sites.
1.4
Inspection body performing NOT that accredited under SNI ISO/IEC 17020:2012,
may perform and report on the following activities:
a)
b)
c)
d)
1.5
testing to appropriately defined standards and procedures,
interpretation of test results against the agreed acceptance standards,
determination of conformity,
determination of significance of defects found, based on the test results.
This technical note document covers the inspection of equipment materials,
components and assemblies in sector such as gas petroleum and chemical,
power generation, building and construction, aerospace, automotive and other by
means of the following techniques using the following NOT methods:
a) Radiographic testing
b) Liquid or dye penetrant testing
c) Ultrasonic testing
d) Magnetic particle testing
e) Eddy current testing
f) Leak testing
g) Other NOT methods
2
SCOPE OF ACCREDITATION
2.1
The scope of accreditation is the formal statement of the range of activities
for which the inspection body has been accredited.
2.2
The scope is recorded on an accreditation schedule, which is issued
together with the accreditation certificate.
2.3
The scope should be defined as precisely as possible so that all parties
concerned know accurately and unambiguously the range of inspection
methods and type of products covered by the inspection bodies
accreditation.
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Issue Number: 3
7 April 2016
2.4
KAN will only accredit inspection bodies for inspections, which have been
fully documented and validated. These may include national and
international standard methods, client and in-house methods.
2.5
The validation of methods should not be taken for granted and the
inspection bodies shall satisfy itself that the degree of validation of a
particular technique is adequate for its purpose.
REQUIREMENT FOR INSPECTOR
3.1
The inspection body management should ensure the integrity of inspector
involved in NOT inspection work and that inspector is free from all
pressures, wh ich might affect their impartiality and affect their judgment.
3.2
The inspection body management shall have regulation , policy or
procedures for: A code of ethic to inspector, supervision or monitoring of
inspector on-site inspection, taking legal sanction to malpractices of
inspector, maintenance of detail inspection record on site by inspector.
Supervision of inspection body personnel, client feedback and or
complaints for performance inspector. Annual review of inspector
performance in conducting inspections by inspection body.
3.3
Inspector shall have possessing a minimum formal academic qualification
not less than bachelor or diploma in the engineering, science or equivalent
field from accredited university, institution or college.
3.4
Signatory approval for KAN endorsed inspection certificates shall have
minimum experience in non-destructive testing techniques not less than 5
years and approval by KAN based on recommendation of KAN lead
assessor.
3.5
Inspector shall have Personnel qualifications from a recognized certification
scheme meeting the requirements of SNI 19-6364-2000 equivalent to ISO
9712 or EN 473 or of a standard that can be demonstrated to be equivalent
to these standards are acceptable to KAN.
3.6
Inspector shall have sound knowledge of and experience in the use of,
applicable non-destructive testing techniques, knowledge of relevant
materials, manufacturing processes and service conditions, experience and
ability to interpret and evaluate test data, ability to prepare routine and
critical reports, ability to control quality of performance of non-destructive
tests, adequate training and experience in non-destructive testing.
3.7
For KAN approved signatories, they shall be those independently certified
issued by a recogn ized certification bodies in Non-Destructive Testing
(Personnel Certification NOT Level 3).
3.8
The Inspector responsible for NOT should hold appropriate qualifications.
3.8.1
Assistance of inspector who perform routine technical and nontechn ical duties, working under close supervision should have
knowledge and experience relation with the duties that they are
required to perform.
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3.9
Issue Number: 3
7 April 2016
3.8.2
Inspector who , under direction, can take responsibility for
performance of routine inspection should have at least qualification
level I (operator) issued by recognized NOT personnel certification,
experience in performance of applicable non-destructive inspection ,
experience in the use of relevant codes , standards and
specifications and ability to apply appropriate codes, standards and
specifications to the requirements of specific projects, experience
and ability to interpret test and inspection data, ability to maintain
job records and prepares routine reports.
3.8.3
Supervisor of inspector who, exercising technical control and
responsible for control and supervision of non-destructive inspection
shall have the competence, authority and time for effective control
of non-destructive testing operations that they are responsible. They
are should have recognized NOT personnel certification level 3,
sound knowledge of, and experience in the use of, applicable nondestructive testing techn iques, knowledge of relevant materials,
manufacturing processes and service conditions, experience and
ability to interpret and evaluate test and inspection data, experience
in the use of relevant codes , standards and specifications, ability to
prepare routine and critical reports, ability to control quality of
performance of non-destructive tests , have adequate training and
experience in non-destructive testing.
The inspection body is required to demonstrate that inspector of NOT used
for examination have the knowledge and experience in the type of defects,
which may occur during manufacture examined.
3.10 The inspector responsible for determination of significance of defects found
based on test results , in addition to the appropriate qualifications,
experience, training and satisfactory knowledge of the examinations carried
out, also have:
3.10.1
Knowledge of the general requirements expressed in the
legislation and standards and an understanding of the significance
of defects found with regard to the normal use of the items,
material, product, etc.
3.10.2
Relevant knowledge of the technology used for the manufacturing
of the items tested (materials, products etc.) or the way they are
used or intended to be used and of the defects or degradation ,
which may occur during use.
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4
Issue Number: 3
QUALITY SYSTEM AND MANAGEMENT
4.1
Inspection bodies should have formal documented arrangements for
maintaining up-to-date records of all staff qualifications, training and
competencies including eyesight checks as specified by the relevant
personnel certification scheme.
4.2
Records should clearly identify whether staff can interpret the results in
addition to carrying out examinations.
4.3
Where inspectors are contracted the Inspection body shall ensure that such
personnel are competent, carry appropriate personnel certification, are
effectively supervised and that they work in accordance with the Inspection
bodies quality system using company equipment and procedures.
4.4
The inspection body shall check that the qualification and certification of
NOT personnel is appropriate to the inspection to be carried out. This
should include checking any limitations in the scope of competence
certified and the resu lting need for job specific training and authorization.
4.5
Inspection body are responsible for ensuring that inspector have all the
other relevant competencies, e.g. safety training, necessary for the
performance of their duties.
4.6
The quality system should describe the general and specific arrangements
for the conduct of all accredited activities including non-destructive testing
and should specifically incorporate:
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-
5
7 April 2016
the arrangements for managing NOT work including the inspection
body interface and controls between the permanent facilities and
remote or site locations,
the control and authorization of NOT specific procedures and
techniques,
the need to ensure that inspection procedures and techn iques are
available at the point of inspection, whether in the central offices or
on site and the need for audit and review to include remote locations
and the interface controls.
EQUIPMENT AND CALIBRATION
5.1
Inspection body shall manage the equipment as follows :
a)
Inspection body is required to operate a program for the maintenance
and calibration of equipment used in the inspection body.
b)
Inspection body shall have the necessary evidence to show that the
requirements of the accreditation standard and this document are
met in respect of such equipment.
c)
Equipment shall be protected as far as possible from deterioration
and abuse and transportation from one location to another.
Precautions shall be taken to ensure that, after transportation to a
site, testing equipment remains in a serviceable state and that the
calibration remains valid.
d)
Appropriate checks shall be performed on site to confirm calibration
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e)
f)
g)
5.2
Issue Number: 3
7 April 2016
status before testing commences.
Equipment records shall be maintained up-to date and include a list
of all reference blocks, probes, etc. held by the inspection body.
The calibration of reference measuring equipment used for in-house
calibration/verification shall be traceable to national standards and,
wherever possible, shall be evidenced by certificates issued by an
accredited calibration laboratory.
Procedures for in-house calibrations and verifications shall be
adequately documented and describe how to perform the
calibration/verification.
RADIOGRAPHIC EQUIPMENT
Referenced film density strips shall be uniquely identified and
traceable by certificate to a national standard of measurement and
should carry a manufacturer's certificate, which is less than five
years old unless otherwise specified.
5.2.2
Working density strips should have the density of each step
ascertained using a calibrated and certificated densitometer, and
recorded either directly into the film or onto a card strip
permanently attached to the film . The date of first calibration
should be recorded on the strip.
5.2.3
All working density strips which are more than three years old , or
which have been subject to undue wear, should be taken out of
use and destroyed.
5.2.4
The sensitivity of a radiograph shall be established by means of
image quality indicators (IQI) or penetrometers appropriate to the
material and thickness. It may be necessary to hold
manufacturer's certificates of conformity for these IQls. The
condition of IQls and penetrometers should be monitored and
damaged devices withdrawn from use.
5.2.5
The type and location of the IOI or penetrometers shall be strictly
in accordance with the requirements of the agreed standard or
code.
5.2.6
Radiographic film processors should be maintained in accordance
with the manufacturer's recommendations. Regular monitoring of
the processor using pre-exposed film should take place to ensure
the correct operation of the processor and to verify that any film
classification system requirements are met.
5.2.7
The density of radiographs shall be ascertained using
densitometers.
The accuracy required determines whether
analogue or digital readouts are needed.
5.2.8
Densitometers shall be calibrated at defined intervals against a
reference density strip.
5.2.9
Hand-held densitometers should be zeroed each time th ey are
used, against the level of background illumination on which they
are to be used.
5.2.1 O Regular checks to establish that the densitometer is still operating
correctly and is in calibration shall be carried out between
calibrations.
5.2.11 Film density strips are subject to discoloring or fading and should
be carefully maintained and stored.
5.2.1
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5.2.12
5.3
5.4
Issue Number: 3
7 April 2016
Radiographic viewers and illuminators shall be periodically
checked for intensity and evenness of illumination.
ULTRASONIC EQUIPMENT
5.3.1
Ultrasonic test sets shall be verified daily or each time the
equipment is used including: Visual checks for damage, linearity of
time base, calibration of time base linearity of equipment gain.
5.3.2
The performance characteristics of ultrasonic probes and the
systems should be checked as follows: Probe index, probe beam
angle at least once per week, sensitivity and signal to noise ratio,
pulse duration.
5.3.3
Ultrasonic flaw detectors shall be verified at intervals not
exceeding twelve months in accordance with the controlling
specification, including: Linearity of time base, linearity of amplifier,
accuracy of calibrated attenuator.
5.3.4
The calibration of reference measuring equipment used for inhouse calibration shall be traceable to national standards and shall
be evidenced by a certificate, issued by an accredited calibration
laboratory.
5.3.5
Referenced blocks, control specimens and calibration blocks
should be stored in such a way as to prevent corrosion occurring.
5.3.6
Checks should be made to ensure the correct geometric position
of the probe in relation to the output signal.
5.3.7
Ultrasonic calibration blocks shall be used to set up the assembly
of probe and sensory electronics, each time the equipment is
used. The blocks shall be manufactured in accordance with the
appropriate specification.
5.3.8
All blocks shall be verified at specified intervals as follows: Visual
examination for deterioration such as corrosion or mechanical
damage, radius and other dimensional checks using equipment
traceable to national or international standards.
5.3.9
Where calibration blocks made from the material of the product
under test are used for setting up, the final test report should
indicate the calibration status of the test blocks. In all such cases
the transmission velocity of the pulse through the block material
should be measured and recorded , unless the inspection body has
alternative methods to demonstrate the traceability of the block.
LIQUID OR DYE PENETRANT EQUIPMENT
5.4.1
Standard flaw test pieces should be used to check the process.
The use of test pieces is not normally specified for portable test
kits.
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5.5
Issue Number: 3
7 April 2016
5.4.2
The temperatures of baths and water washes should be
monitored . Where the temperature of the test item is close to
specification lim its then the temperature of that item should be
measured.
5.4.3
The pressure of water washes and compressed air blow-offs
should be measured.
5.4.4
UV (A) light meters and white light meters shall be calibrated at
defined intervals.
5.4.5
When undertaking fluorescent penetrant examination , the intensity
of UV (A) light illumination at the inspection surface shall be
checked as frequently as necessary to monitor possible
deterioration of the illumination.
5.4.6
Where grimy, dusty or other contaminating environments are
involved , checking should be carried out each time the equipment
is used .
5.4.7
When non-fluorescent (i.e. color contrast) penetrant examination is
carried out, the intensity of illumination at the inspection surface
shall be checked at least once every three months.
5.4.8
Where illumination is controlled on a long-term basis, and should
be checked each time the equipment is used in situations where
illumination may be variable from test to test (egg in daylight
conditions). These checks require the use of a white light meter.
MAGNETIC PARTICLE EQUIPMENT
5.5.1
The solids content of bulk magnetic inks should be checked by a
method specified in the controlling standard. In the case of aerosols,
certificates of conformity should be obtained from the manufacturer
for each batch.
5.5.2
When using non-fluorescent inks and powders, the level of
illumination at the inspection surface should be checked at regular
intervals where illumination is by artificial means, and should be
checked each time the equipment is used where daylight
illumination is employed . These checks require the use of a white
light meter.
5.5.3
When using fluorescent inks and powders, the intensity of UV(A)
light at the test surface shall be checked as frequently as necessary
to monitor possible deterioration of the illumination. These checks
require the use of a UV(A) light meter. The ambient white light level
shall be checked at least once every three months where
illumination is controlled on a long-term basis, and should be
checked each time the equipment is used in situations where
illumination may vary from test to test (egg in daylight conditions).
These checks require the use of a white light meter.
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5.6
Issue Number: 3
7 April 2016
5.5.4
UV(A) light meters and White light meters shall be calibrated at
defined intervals.
5.5.5
The apparatus and ancillary equipment shall be checked at regular
intervals.
5.5.6
The strength of permanent magnets and magnetic yokes shall be
checked at regular intervals.
5.5.7
Flux indicators should be used to demonstrate the direction of flux.
Traceability is not required .
5.5.8
Tests to check the sensitivity of the indications looked for should be
carried out using suitable test pieces.
EDDY CURRENT EQUIPMENT
5.6.1
Certificates from an accredited calibration laboratory shall
evidence the calibration of reference measuring equipment used
for in-house dimensional verification.
5.6.2
The dimensions of holes and the thickness of the calibration piece
shall be certified by the manufacturer or established in-house by
means, which are traceable to national or international standards.
5.6.3 For portable equipment, a reference 'sensitivity block', dimensionally
certified by the manufacturer, should normally be used for checking
the response of the equipment to known flaws. For specialized
applications, such as tube testing , reference standards should be
prepared from material of the same alloy and nominal dimensions
as the product to be tested.
5.6.4
For automatic eddy current testing of tubes, reference standards
should be prepared from material of the same alloy and nominal
dimensions as the tube to be tested. The dimensions of holes or
notches and the thickness of the calibration piece shall be certified
by the manufacturer or established in-house by means, which are
traceable to national standards.
5.6.5
Where eddy current examination is used for sorting of materials or
products, reference test standards should be prepared from the
same material, heat treatment and nominal dimensions as the
materials or products to be tested.
5.6.6
List of all reference blocks, control specimens, reference pieces and
calibration blocks should be kept with details of the main
characteristics: (e.g. material, conductivity, manufacture, heat
treatment).
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6
Issue Number: 3
7 April 2016
INSPECTION METHODS/PROCEDURES
Inspection procedures should contain, or refer to, other documents containing the
following, and supplemented by any further information necessary to fully specify
the examination:
a)
b)
c)
d)
e)
f)
g)
h)
i)
j)
k)
I)
m)
n)
o)
p)
7
title, unique reference number, issue or revision status and date of issue;
unique identification of Inspection body producing the procedure;
on each page, the page number, the total number of pages in the
procedure and the unique reference number;
preparation and approval signature, such that the author and the approval
authority can be readily identified;
scope of the procedure, giving precise description of the range of
applicability (e.g. range of diameters and thickness);
reference test procedure (contractual) and/or European or national
standard specifications on which the procedure is based and its
issue/revision status; work instructions should reference the controlling
procedure;
terms and definitions used within the procedure and/or reference to a
document defining such terms;
equipment to be utilized, including consumables, complying with relevant
specification requirements;
calibration/verification and maintenance requirements, or reference to
procedures controlling these activities;
personnel qualifications or certification needed for performance of test
work/evaluation of results, complying with any specification requirements;
surface condition required prior to commencing test;
requirements for identification of test items (by reference to a general test
procedure if applicable);
test method, defining precisely how the test is to be performed, including
method of establishment of appropriate datum levels;
criteria for recording and reporting the results;
acceptance standards, where specified;
reporting methods, detailing all aspects that are required to be included in
the test report with provision for the operator to report any limitation of
access or sampling encountered during the test.
RECORDS
a)
b)
c)
d)
e)
f)
Notebooks/worksheets include the date of inspection, operator, inspection
procedure, test item details, test observations, all rough calculations and
other relevant data.
Notebooks/worksheets are adequately completed; mistakes are crossed
out and not erased.
Control and verification checks are documented.
Where a mistake is corrected the person making the correction signs the
alteration.
The inspection body's procedures for checking data transfers and
calculations are being complied with.
Records are readily retrievable.
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7 April 2016
INSPECTION REPORTS
a)
b)
c)
d)
9
Issue Number: 3
The report meets the requirements of accreditation standard, the method
and any additional requirements specified by the client or
national/international standard.
The inspection location is clearly identified and component identification is
unambiguously defined.
Inspection specifications and acceptance criteria are fully specified.
Where sampling is involved this is clearly identified.
BIBLIOGRAPHY
EA - 4/15 G:2015 Accreditation for Non-Destructive Testing
SNI 19-6364-2000 Non-destructive testing - Qualification and certification of
personnel.
ISO 9712 Non-destructive testing - Qualification and certification of personnel
EN 4179 Qualification and approval of personnel for non-destructive testing
EN ISO 3059 Non-destructive testing - Penetrant and magnetic particle testing.
EN 25580 Minimum requirements for industrial radiographic illuminators for nondestructive testing.
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