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BS EN 14730-2:2021

BS EN 14730-2:2021

$142.49

Railway applications. Track. Aluminothermic welding of rails – Qualification of aluminothermic welders, approval of contractors and acceptance of welds

Published By Publication Date Number of Pages
BSI 2021 26
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This document specifies requirements for the: – approval of training facilities, testing and maintaining the skills of aluminothermic welders and welding trainers. It applies to those aluminothermic welding processes compliant with the requirements of EN 14730-1. It requires that the system for training and testing of welders be approved by the railway authority; – approval of aluminothermic welding contractors. It applies to those contractors using aluminothermic welding processes compliant with the requirements of EN 14730-1 and who employ welders in the possession of a valid permit to weld as defined in Clause 4 of this document; – acceptance of the final aluminothermic weld inspections and aluminothermic weld inspectors approved by the railway authority. It does not cover any previous weld inspections by the welder or others. This document also applies to aluminothermic welds produced on railway rails as contained in EN 13674-1 to EN 13674-4 and EN 16771.

PDF Catalog

PDF Pages PDF Title
2 National foreword
7 European foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Qualification of aluminothermic trainers and welders
4.1 Training requirements
11 4.2 Duration of training
4.2.1 Initial training – no welding experience
4.2.2 Training – with previous welding experience
4.2.3 Training for variations of the welding process
4.3 Examination
4.3.1 General
4.3.2 Theoretical test
4.3.3 Practical test
12 4.4 Diploma
4.5 Permit to Weld
13 4.6 Welder identification
4.7 Welder records
5 Approval of Aluminothermic Welding Contractors
5.1 General
5.2 Welding Quality Management System
5.3 Welding Coordination
5.4 Aluminothermic Welders
5.5 Training
5.6 Equipment
14 5.7 Purchase, Management and Control of Consumables
5.8 Weld Inspection
5.9 Traceability
5.10 Audits
6 Acceptance of Aluminothermic Welds
6.1 General
6.2 Weld Inspector
15 6.3 Weld Inspection
6.4 Geometric Requirements
6.4.1 General
6.4.2 Alignment and Matching of the Weld Collars
17 6.4.3 Welded Rail Alignment
20 6.5 Weld Integrity
6.5.1 As-cast weld surface
21 6.5.2 Ground weld surface
6.6 Documentation
22 Annex A (informative) Diploma in Aluminothermic Welding of Rails
23 Annex B (informative) Permit to Weld
24 Annex C (normative) Check list
25 Bibliography

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BS EN 14730-2:2021
$142.49