KAN-TN-LI 07 KAN TECHNICAL NOTES FOR ACCREDITATION 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 - Indonesia Tel. : 62 21 3927422 Fax. : 62 21 3927528 Email : laboratorium@bsn.go.id ; lembagainspeksi.kan@gmail.com Website: www.kan.or.id
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) Dokumen ini tidak dikendalikan iika diunduh/uncontrolled when downloaded
LIST OF AMENDMENT No. Date Part Number Brief Description of Revised Changes Part Revision Number 1 12/06/08 Identification Identification document changed to 2 document DPLI KAN - R-LI 07 04 2 07/04/16 Identification Identification document changed to 2 document KAN- KAN-TN-LI 07 R-LI 07 3 07/04/16 All Replace "SNI 19-17020-1999" into 2 "SNI ISO/IEC 17020:2012" ii
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) testing to appropriately defined standards and procedures, b) interpretation of test results against the agreed acceptance standards, c) determination of conformity, d) determination of significance of defects found, based on the test results. 1.5 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. 1 of 10 Ookumen ini tidak dikendalikan jika diunduh/uncontrolled when downloaded
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. 3 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, which 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 recognized 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 nontechnical duties, working under close supervision should have knowledge and experience relation with the duties that they are required to perform. 2 of10
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. 3.9 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. 3of10 Ookumen ini tidak dikendalikan jika diunduh/uncontrolled when downloaded
4 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 resulting 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: - 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 techniques 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. 5 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 4of 10
status before testing commences. e) Equipment records shall be maintained up-to date and include a list of all reference blocks, probes, etc. held by the inspection body. f) 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. g) Procedures for in-house calibrations and verifications shall be adequately documented and describe how to perform the calibration/verification. 5.2 RADIOGRAPHIC EQUIPMENT 5.2.1 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. 5of10
5.2.12 Radiographic viewers and illuminators shall be periodically checked for intensity and evenness of illumination. 5.3 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. 5.4 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. 6of10
Komite Akreditasi Nasionaf 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. 5.5 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. 7of10
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. 5.6 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). 8of10
Komitc Alueditast Nasional 6 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) title, unique reference number, issue or revision status and date of issue; b) unique identification of Inspection body producing the procedure; c) on each page, the page number, the total number of pages in the procedure and the unique reference number; d) preparation and approval signature, such that the author and the approval authority can be readily identified; e) scope of the procedure, giving precise description of the range of applicability (e.g. range of diameters and thickness); f) 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; g) terms and definitions used within the procedure and/or reference to a document defining such terms; h) equipment to be utilized, including consumables, complying with relevant specification requirements; i) calibration/verification and maintenance requirements, or reference to procedures controlling these activities; j) personnel qualifications or certification needed for performance of test work/evaluation of results, complying with any specification requirements; k) surface condition required prior to commencing test; I) requirements for identification of test items (by reference to a general test procedure if applicable); m) test method, defining precisely how the test is to be performed, including method of establishment of appropriate datum levels; n) criteria for recording and reporting the results; o) acceptance standards, where specified; p) 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. 7 RECORDS a) Notebooks/worksheets include the date of inspection, operator, inspection procedure, test item details, test observations, all rough calculations and other relevant data. b) Notebooks/worksheets are adequately completed; mistakes are crossed out and not erased. c) Control and verification checks are documented. d) Where a mistake is corrected the person making the correction signs the alteration. e) The inspection body's procedures for checking data transfers and calculations are being complied with. f) Records are readily retrievable. 9of10
8 INSPECTION REPORTS a) The report meets the requirements of accreditation standard, the method and any additional requirements specified by the client or national/international standard. b) The inspection location is clearly identified and component identification is unambiguously defined. c) Inspection specifications and acceptance criteria are fully specified. d) Where sampling is involved this is clearly identified. 9 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. 10of1 O