BS EN 15594:2009 Railway applications. Track. Restoration of rails by electric arc welding
Restoration of rails by electric arc welding is a special process requiring the co-ordination of welding and grinding activities to establish confidence and reliability of the weld deposit and safety of the line. Controls must be in place from the design phase through to inspection. Incorrect selection of materials, consumables or procedure may result in serious track welding failure.
BS EN 15594 specifies restoration by electric arc welding and is limited to the head of the rails only. It describes the approval systems for consumables and procedures used in manual metal arc and flux cored metal deposit rail repair welding.
BS EN 15594 includes the quality-related tasks and responsibilities of personnel involved in the electric arc repair welding of rails. The standard applies to plain rail and switches and crossings manufactured from new vignole railway rails R200, R220, R260, R260Mn, R260Cr and R350HT grade rails of 46 kg/m and above as contained in BS EN 13674-1 and BS EN 13674-2.
Contents of BS EN 15594:
- Foreword
- Introduction
- Scope
- Normative references
- Terms and definitions
- Consumable and WPS approval tests for MMA electrodes and FCAW wires
- General
- Consumable and WPS approval model
- Information supplied by the manufacturer to the certifying body
- Batch testing by the manufacturer
- Test requirements of this standard under the supervision of certifying body
- List of tests
- Information to be confirmed by the certifying body
- Statement on the general weldability
- Laboratory tests
- Purpose
- General requirements for laboratory tests
- Description of the sample for laboratory test
- Single bead on rail tests
- Single layer deposit on rail tests
- Multi-layer deposit on rail tests
- Welder’s report from trials
- Preparation, examination and testing of samples
- Acceptance criteria
- Track trial tests
- General
- Excavation detail for track trials
- Track trial test categories
- Test methods
- Requirements for in-track test samples
- Acceptance criteria for track trial restoration
- Inspection frequency
- Evaluation, reporting and decision following track trials
- General
- List of general information
- Track trial tests inspection records
- Decision by approving RA on consumable and WPS
- Validation of consumables
- Approval of contractors
- Quality management systems
- Inspection and testing
- Subcontracting
- Equipment
- Welding activities
- Storage and handling of welding consumables
- Care of the infrastructure
- Welding procedure specifications
- Pre-heating of rails
- Welders
- Welder records
- Supervision
- Traceability
- Audits
- Training
- Documentation
- Personnel and qualification requirements
- Training and qualification requirements
- Diploma in electric arc welding of rails
- Permit to restore rails by electric arc welding
- Repair applications
- Track trials supplementary information
- Welding Procedure Specification (WPS)
- Diploma in electric arc restoration welding of rails
- Permit to restore rail by electric arc welding
- Track components
- Relationship between this European Standard and the Essential
- Requirements of EU Directive 2008/57/EC
- Other requirements and other EC Directives may be applicable to the product(s) falling within
- the scope of this standard.
- Bibliography