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NR/L2/TRK/0032

Joining of Rails by Aluminothermic Welding

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Organization: NR
Publication Date: 3 March 2018
Status: active
Page Count: 43
scope:

This specification applies to all aluminothermic welding that may be carried out on, or for casting into, Network Rail managed infrastructure.

This specification identifies the prerequisites for process suppliers and recognises the process supplier as the leading exponent of that process in terms of training, certification and re-certification.

Network Rail's requirements are contained in this specification with a list of approved process suppliers.

The inspection of welds is included in this specification, together with time-based remedial actions.

Purpose

This specification defines the standards to be achieved when aluminothermic welding is carried out, whether in or out of the track, and defines the welding procedures to be used. By adhering to the specifications and standards within this document, the risk of weld failure/break is reduced. The quality of the weld cast is improved and kept within the process supplier's parameters. The safety of the traveling public and staff undertaking aluminothermic welding activities is maintained to the highest levels.

Document History

NR/L2/TRK/0032
March 3, 2018
Joining of Rails by Aluminothermic Welding
This specification applies to all aluminothermic welding that may be carried out on, or for casting into, Network Rail managed infrastructure. This specification identifies the prerequisites for...
June 3, 2017
Joining of Rails by Aluminothermic Welding
This specification applies to all aluminothermic welding that may be carried out on, or for casting into, Network Rail managed infrastructure. This specification identifies the prerequisites for...
December 4, 2010
Joining of Rails by Aluminothermic Welding
This specification applies to all aluminothermic welding that may be carried out on, or for installation into, Network Rail managed infrastructure. This specification identifies the prerequisites...
August 26, 2008
Joining of Rails by Aluminothermic Welding
This specification applies to all aluminothermic welding that may be carried out on, or for installation into, Network Rail-owned infrastructure. This specification identifies the prerequisites for...
April 1, 2007
Joining of Rails by Aluminothermic Welding
This specification applies to all aluminothermic welding that may be carried out on, or for installation into, Network Rail-owned infrastructure. This specification identifies the prerequisites for...
February 1, 2003
Joining of rails by aluminothermic welding
This specification applies to all aluminothermic welding that may be carried out on, or for installation into, Railtrack-owned infrastructure. This specification identifies the prerequisites for...
February 1, 1996
TRACK WELDING HANDBOOK
The requirements of this specification apply to all track welding activities (except flash welding) being carried out on Railtrack's permanent way. For flash welding requirements see Railtrack Line...
September 1, 1993
Track Welding Handbook Part C: Alumino-thermic Welding Procedures (Thermit)
A description is not available for this item.
September 1, 1993
Track Welding Handbook Part A: General
A description is not available for this item.
September 1, 1993
Track Welding Handbook Preface
The requirements of this Handbook apply to all track welding activities being carried out on British Railways owned tracks. Purpose This Handbook defines the standards for the carrying out of track...
September 1, 1993
Track Welding Handbook Part B: Alumino-Thermic Welding (Thermit)
A description is not available for this item.
Track Welding Handbook Appendices
Introduction The procedures that have been developed for the installation and maintenance of rails and track components are related to their composition and section. Before commencing any welding...

References

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