DNVGL-焊接工厂认可.pdf

The electronic pdf version of this document, available free of charge from , is the officially binding version. DNV GL AS CLASS PROGRAMME Approval of manufacturers DNVGL-CP-0352Edition April 2016 Manufacture of welded products - Welding workshop FOREWORD DNV GL class programmes contain procedural and technical requirements including acceptance criteria for obtaining and retaining certificates for objects and organisations related to classification. DNV GL AS April 2016 Any comments may be sent by e-mail to This service document has been prepared based on available knowledge, technology and/or information at the time of issuance of this document. The use of this document by others than DNV GL is at the users sole risk. DNV GL does not accept any liability or responsibility for loss or damages resulting from any use of this document. Changes - current Class programme DNVGL-CP-0352. Edition April 2016Page 3 Manufacture of welded products - Welding workshop DNV GL AS CHANGES CURRENT This is a new document. Contents Class programme DNVGL-CP-0352. Edition April 2016Page 4 Manufacture of welded products - Welding workshop DNV GL AS CONTENTS Changes current.................................................................................................. 3 Section 1 General....................................................................................................5 1 Objective..............................................................................................5 2 Scope................................................................................................... 5 3 Application...........................................................................................5 4 Terminology and definitions................................................................ 5 5 Validity and renewal............................................................................6 6 Extension or change of approval......................................................... 6 Section 2 Approval procedure.................................................................................7 1 Application...........................................................................................7 2 Documentation requirements.............................................................. 7 3 Workshop assessment......................................................................... 7 4 Welding workshop approval certificate................................................7 Section 3 Requirements for welding workshops..................................................... 8 1 Facilities and equipment......................................................................8 2 Welding supervisor..............................................................................8 3 Welders and operators........................................................................ 9 4 NDT operators and supervisors........................................................... 9 5 Quality control of welding and related activities................................. 9 6 Sub-contracting................................................................................. 10 7 Welding consumables........................................................................ 10 8 Material identification and traceability.............................................. 10 Section 4 Suspension or withdrawal of certificates.............................................. 11 1 General.............................................................................................. 11 Changes historic................................................................................................12 Section 1 Class programme DNVGL-CP-0352. Edition April 2016Page 5 Manufacture of welded products - Welding workshop DNV GL AS SECTION 1 GENERAL 1 Objective 1.1 The objective of this class programme is to give a description for the approval of welding workshops as required by the rules for classification. 2 Scope 2.1 This programme gives the procedure to be followed to obtain the Societys approval for: welding workshops (at builders, subcontractors, fabricators, manufacturers) in accordance with the requirements given by the Societys rules and standards. Detailed requirements for builders, manufacturers/fabricators, welders, welding consumables, welding procedures, fabrication and testing are given by the DNV GL rules and standards, e.g. RU SHIP Pt.2 Ch.4. 2.2 Approval is given for the following categories: welding of hull/superstructures welding of hull equipment welding of machinery welding of systems other applications The range of approval shall be given in the application, see DNVGL form No. WELD901. 2.3 Qualification of welding procedures specification (WPS) and welders, and witnessing of qualification tests are not part of this program, but shall follow the applicable requirements of the rules. 3 Application 3.1 Where required by the rules, welding workshop approval (。