BS EN 13231-2:2020 pdf free.Railway applications一Track 一Acceptance of works.Acceptance of reprofiling rails in plain line,switches, crossings and expansion devices. BS EN 13231-2 This document defines the technical requirements and measurements for the acceptance of works for longitudinal and/or transverse reprofiling of railway rail heads in plain line, switches and crossings and expansion devices.This document applies to Vignole rails of 46...