1、BSI Standards Publication PD CEN/TR 16862:2015 Plastics welding supervisor Task, responsibilities, knowledge, skills and competencePD CEN/TR 16862:2015 PUBLISHED DOCUMENT National foreword This Published Document is the UK implementation of CEN/TR 16862:2015. The UK participation in its preparation
2、was entrusted to Technical Committee PRI/80, Welding thermoplastics. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct appli
3、cation. The British Standards Institution 2015. Published by BSI Standards Limited 2015 ISBN 978 0 580 89034 5 ICS 03.100.30; 25.160.10 Compliance with a British Standard cannot confer immunity from legal obligations. This Published Document was published under the authority of the Standards Policy
4、and Strategy Committee on 31 July 2015. Amendments issued since publication Date Text affectedPD CEN/TR 16862:2015TECHNICAL REPORT RAPPORT TECHNIQUE TECHNISCHER BERICHT CEN/TR 16862 July 2015 ICS 03.100.30; 25.160.10 English Version Plastics welding supervisor - Task, responsibilities, knowledge, sk
5、ills and competence Superviseur en soudage de matires plastiques - Missions, responsabilits, connaissances, qualifications et comptences Kunstostoffschweiaufsicht - Aufgaben, Verantwortungen, Wissen, Fhigkeiten und Kompetenz This Technical Report was approved by CEN on 6 July 2015. It has been drawn
6、 up by the Technical Committee CEN/TC 249. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Lux
7、embourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brus
8、sels 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. CEN/TR 16862:2015 EPD CEN/TR 16862:2015 CEN/TR 16862:2015 (E) 2 Contents Page European foreword 3 Introduction 4 1 Scope . 5 2 Normative references . 5 3 Terms and definitions
9、. 5 4 Tasks and responsibilities . 7 4.1 General . 7 4.2 Pre-welding activities . 7 4.2.1 General . 7 4.2.2 Contract review 7 4.2.3 Technical document review . 8 4.2.4 Materials and products . 8 4.2.5 Welding environment 8 4.2.6 Equipment 8 4.2.7 Welding personnel 9 4.2.8 Testing activities . 9 4.2.
10、9 Materials weldability . 9 4.3 Activities during welding . 9 4.4 Activities after welding . 9 4.4.1 Acceptance and release of the welded joints . 9 4.4.2 Management non-compliance and corrective actions 10 5 Competence . 10 5.1 General . 10 5.2 Knowledge . 10 5.3 Skills . 10 Bibliography . 12 PD CE
11、N/TR 16862:2015 CEN/TR 16862:2015 (E) 3 European foreword This document (CEN/TR 16862:2015) has been prepared by Technical Committee CEN/TC 249 “Plastics“, the secretariat of which is held by NBN. Attention is drawn to the possibility that some of the elements of this document may be the subject of
12、patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. PD CEN/TR 16862:2015 CEN/TR 16862:2015 (E) 4 Introduction Welding is a special process that requires the coordination of activities related to quality, including construction, testing and m
13、aintenance in order to ensure confidence in the reliability of welded structures and their behaviour in service. This Technical Report defines the tasks and responsibilities, knowledge, skills, and competence necessary to carry out the role of “plastic welding supervisor“. The use of this Technical
14、Report helps an organization to provide evidence of sound management and may, therefore, represent a technical credential for the achievement of the welded products performance requirements. PD CEN/TR 16862:2015 CEN/TR 16862:2015 (E) 5 1 Scope This Technical Report identifies the quality related res
15、ponsibilities and tasks included in the supervision of activities related to the welding of products and semi-finished products made of thermoplastic materials and provides guidelines to ensure the quality of the supervision. The fundamental aspects of this Technical Report are the following: defini
16、tion of tasks and responsibilities; definition of the required knowledge, skills and competence. The plastic welding supervisor (PWS) should be employed by the organization involved in the welding activities. This Technical Report applies to all thermoplastic welding processes. 2 Normative reference
17、s The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN IS
18、O 9000, Quality management systems Fundamentals and vocabulary (ISO 9000) EN ISO/IEC 17000, Conformity assessment Vocabulary and general principles (ISO/IEC 17000) ISO 3834-1, Quality requirements for fusion welding of metallic materials Part 1: Criteria for the selection of the appropriate level of
19、 quality requirements 3 Terms and definitions For the purpose of this document, the terms and definitions given in EN ISO 9000, ISO 3834-1 and ISO/IEC 17000 and the following apply. 3.1 competence demonstrated ability to apply knowledge, skills and personal, social and/or methodological abilities, i
20、n work or study situations and in professional and personal development Note 1 to entry: In the context of the European Qualifications Framework, competence is described in terms of responsibility and autonomy. 3.2 conformity fulfilment of a requirement 3.3 construction product, structure or any oth
21、er object welded 3.4 construction plan document for a specific project, product, process or contract, which specifies the procedures and associated resources that must be used, by whom and when 3.5 contract binding agreement PD CEN/TR 16862:2015 CEN/TR 16862:2015 (E) 6 3.6 corrective action action t
22、o eliminate the cause of a detected non-conformity or other undesirable situation 3.7 knowledge body of facts, principles, theories and practices that is related to a field of work or study Note 1 to entry: In the context of the European Qualifications Framework, knowledge is described as theoretica
23、l and/or factual. 3.8 organization group of people and facilities, with an arrangement of responsibilities, authorities and relationships 3.9 plastics welding supervisor PWS person responsible and competent to perform the welding supervision activities 3.10 process set of interrelated or interacting
24、 activities which transform inputs into outputs 3.11 project unique process, consisting of a set of coordinated and monitored activities, with start and finish dates, undertaken to an objective conforming to specific requirements, including time, costs and resource 3.12 qualification process process
25、 to demonstrate the ability to fulfil specified requirements 3.13 release permission to proceed to the next stage of a process 3.14 requirement need or expectation that can be stated, generally implied or obligatory 3.15 review activity undertaken to determine the suitability, adequacy and effective
26、ness of subject matter to achieve established objectives 3.16 sub-contractor supplier of products, services and/or activities to the manufacturer in a contractual situation 3.17 skill ability to apply knowledge and use know-how to complete tasks and solve problems Note 1 to entry: In the context of
27、the European Qualifications Framework, skills are described as cognitive (involving the use of logical, intuitive and creative thinking) or practical (involving manual dexterity and the use of methods, materials, tools and instruments). PD CEN/TR 16862:2015 CEN/TR 16862:2015 (E) 7 3.18 test determin
28、ation of one or more characteristics according to a procedure 3.19 weldability property of material(s) to achieve a welded joint that meets the design requirements 3.20 welding procedure specified course of action to be followed in making a weld, including the welding process(es), reference to mater
29、ials, welding consumables, preparation, preheating (if necessary), method and control of welding and necessary equipment to be used 3.21 welding report document automatically generated by the welding equipment 3.22 welding plan order in which the welds are made 3.23 work instruction all the stages o
30、f work and verification derived from the welding procedure 4 Tasks and responsibilities 4.1 General The PWS should record objective evidence of results of all activities covered in 4.2 to 4.4. Compliance to this Technical Report is the responsibility of the organization involved in the welding activ
31、ities. Where supervision is performed by more than one person, the tasks and responsibilities should be allocated such that responsibility is clearly defined and the persons are competent in each specific welding supervision task. 4.2 Pre-welding activities 4.2.1 General The PWS should be able to co
32、nduct and/or verify the activities described in 4.2.2 to 4.2.8. 4.2.2 Contract review The PWS should verify the ability of all organizations, including sub-contractors, involved in the project to carry out activities related to welding covered by this Technical Report, e.g. availability of welding a
33、nd ancillary equipment, qualified welding personnel, provision for testing. PD CEN/TR 16862:2015 CEN/TR 16862:2015 (E) 8 4.2.3 Technical document review The PWS should verify the existence and applicability of all required technical documents relating to welding and check their compliance with natio
34、nal regulations, application standards and technical specifications, e.g. welding procedures; welding report and/or welding data sheet templates; procedure for assessing the weld quality. Procedure for assessing the weld quality shall include destructive and non-destructive testing and acceptance cr
35、iteria; welding plan if required. 4.2.4 Materials and products The PWS should check: that all products and/or semi-finished products that are going to be used in the project have the required documentation to verify their compliance to the contract specification or the application standard; EXAMPLE
36、Certificate 3.1 of EN 10204:2004 1. visually that the marking/labelling of all incoming products and/or semi-finished products are in agreement with the documentation supplied; for proper storage and handling of system components as specified in technical documents and / or application standards; th
37、at the dimensional characteristics of the materials to be welded meet the project requirements. 4.2.5 Welding environment The PWS should: verify that the environmental conditions are within the limits established for the welding operation(s) and given in the welding procedure(s); verify that the wor
38、k area is suitable for the welding operation and safely maintained and operated (clean, free from obstructions, etc.); if requested, provide guidance to the Safety Officer in relation to welding conditions. 4.2.6 Equipment The PWS should: verify that the welding and ancillary equipment are those def
39、ined in the project and meet the minimum requirements specified in the appropriate equipment standards; verify that destructive and non-destructive testing equipment are those defined in the project and meet the minimum requirements specified in the appropriate standards; verify the existence of doc
40、umented plans for monitoring and periodic maintenance of the equipment. These plans should ensure the inspection and maintenance of all equipment as defined in the project and / or in the relevant standards. Additional requirements may be specified in the contract; PD CEN/TR 16862:2015 CEN/TR 16862:
41、2015 (E) 9 if requested, provide guidance to the Safety Officer in relation to welding, ancillary or testing equipment. 4.2.7 Welding personnel The PWS should: verify the appropriateness and validity of the qualification of the welders relating to the project; verify the proper distribution of speci
42、fic work instructions to personnel who will carry out the welding operation and related activities. 4.2.8 Testing activities The PWS should ensure that the procedure for assessing the weld quality is sent to the organization(s) responsible for these activities. 4.2.9 Materials weldability When appro
43、priate the PWS should verify the weldability of the materials being used (e.g. extrusion welding, hot gas welding). 4.3 Activities during welding The PWS should: verify, immediately before the start, the proper functioning of the welding and ancillary equipment within the limits given in the welding
44、 procedure; check that the specific work instructions and welding procedure are being followed; check that the welds are made in accordance with the welding plan; carry out intermediate visual inspections during the welding operations; propose, to all organizations involved in welding activities, an
45、y variations to the welding procedure during construction that may be necessary for operational reasons; if requested, provide guidance to the Safety Officer in relation to welding operations. 4.4 Activities after welding 4.4.1 Acceptance and release of the welded joints The PWS should: check that d
46、estructive and/or non-destructive tests are carried out and documented in accordance with the quality plan; check that the destructive and/or non-destructive test results are in accordance with the acceptance criteria specified in the contract; check that the welding reports and/or welding record sh
47、eets are in accordance with the welding procedure; If the above three points are fulfilled the PWS can release the welded joints. PD CEN/TR 16862:2015 CEN/TR 16862:2015 (E) 10 4.4.2 Management non-compliance and corrective actions The PWS should: notify the relevant person within the organization of
48、 any non-compliance found in the activities for which the PWS has responsibility; participate in the resolution of the non-compliance, within the boundaries of their competence and as defined in the quality plan. 5 Competence 5.1 General The PWS should have the knowledge and skills as defined in 5.2
49、 and 5.3. The competence may be achieved in a non-formal and/or informal way, where non-formal means the participation in a training course and informal means “on the job“. 5.2 Knowledge The PWS should have knowledge about the following: technical and practical features of the equipment to be used. Risks and prevention; qualification of welding personnel; welding procedure specification; acceptable environmental conditions; materials to be welded (weldability); products and semi-finished pro
