What is BS EN 13231‑2 about?  
BS EN 13231‑2 is the second part in the multi-series of documents that is applicable to acceptance works of railway applications.
BS EN 13231‑2 defines the technical requirements and measurements for the acceptance of works for longitudinal and/or transverse reprofiling of railway railheads in plain line, switches and crossings and expansion devices.
BS EN 13231‑2 applies to Vignole rails of 46 kg/m and above according to EN 13674-1.
Who is BS EN 13231‑2 for? 
BS EN 13231‑2 on acceptance of works is relevant to: 
- Manufacturers and designers of reprofiling machines
- Designer and producers of rail equipment
- Railway management authorities 
- Infrastructure managers 
- Site supervisors 
- Inspection and testing department in railways  
- Train operator companies (TOCs) 
Why should you use BS EN 13231‑2?  
The railway technology helps prevent accidents, delays and operating costs while increasing loading capacity, cost-effectiveness and efficiency. The railway track, being the most significant component of the railway track system, is responsible for providing a safe surface for trains to travel over. The technical requirements and measurements for accepting works for longitudinal and/or transverse reprofiling of railway railheads in plain line, switches and crossings, and expansion devices are defined in BS EN 13231-2.
BS EN 13231-2 ensures the accuracy of all elements that make up an allowed instrument, such as probes, processing units, and reporting, as well as the repeatability of the certified instrument in its unique environment in both directions and at operating speed. This can assist you in specifying the amount of precision that is appropriate for the reprofiled site using a variety of quality classes. 
Thus, BS EN 13231-2 assists you in ensuring that essential corrective actions are completed in a timely manner. The removal of defects can thus enhance service-life of overall rail systems while lowering costs and improving operational efficiency.
What’s changed since the last update?
BS EN 13231‑2:2020 supersedes BS EN 13231‑3:2012 and BS EN 13231‑4:2013, which are withdrawn. This document supersedes BS EN 13231-3:2012 and BS EN 13231-4:2013. The main changes compared to the previous edition are listed below:
- BS EN 13231-2 merges the previous EN 13231-2 and EN 13231-3
- Updated to display the state of the art
- Mistakes have been solved
- Clause 7 is new
