EN 14730-2:2006

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Qualification of aluminothermic welders
  4.1 Initial training and issue of a Diploma in
       Aluminothermic Welding of Rails
  4.2 Permit to Weld
  4.3 Welder identification
  4.4 Welder records
5 Approval of aluminothermic welding contractors
  5.1 General
  5.2 Quality management system
  5.3 Practical experience
  5.4 Aluminothermic welders
  5.5 Training
  5.6 Equipment
  5.7 Purchase, management and control of consumables
  5.8 Supervision
  5.9 Weld inspection
  5.10 Traceability
  5.11 Audits
6 Acceptance of aluminothermic welds
  6.1 General
  6.2 Weld inspector qualification
  6.3 Weld inspection
  6.4 Geometric requirements
       6.4.1 General
       6.4.2 Alignment and match of the weld collars
       6.4.3 Welded rail alignment
  6.5 Weld integrity
  6.6 Documentation
Annex A (informative) Diploma in Aluminothermic
        Welding of Rails
Annex B (informative) Permit to Weld
Bibliography

This standard applies to aluminothermic welds made on Vignole rails of 46 kg/m and above as contained in EN 13674-1:This standard specifies:¾the system for training, testing and maintaining the skills of aluminothermic welders. It applies to those aluminothermic welding processes compliant with the requirements of EN 14730-1 "Railway applications – Track – Aluminothermic welding of rails – Part 1: Approval of welding processes". It requires that the system for training and testing of welders shall be approved by the relevant railway authority;¾the systems and requirements for the approval of aluminothermic welding contractors. It applies to those contractors using aluminothermic welding processes compliant with the requirements of EN 14730-1 "Railway applications – Track – Aluminothermic welding of rails – Part 1: Approval of welding processes" and who employ welders who are in possession of a valid Permit to Weld as defined in Clause 4 of this standard;¾the acceptance requirements for aluminothermic welds. It requires that weld inspectors are competent in aluminothermic weld inspection and are approved by the relevant railway authority. It covers the final inspection of aluminothermic welds for acceptance in track. It does not cover any previous inspections by welders or others.