Safety of machinery. Permanent means of access to machinery - Working platforms and walkways Ingestion-build-251241 The greater the LRV difference

The greater the LRV difference between two visually adjacent surfaces

such as the velocity-area method

Surface quality

including cover and pages

to be used together with ISO 4254-1

Safety of machinery. Permanent means of access to machinery - Working platforms and walkways Ingestion-build-251241 The greater the LRV differenceWhat is this standard about? This is Part 2 in a series of four international standards which define general requirements for safe access to machinery. The series applies to both stationary and mobile machinery where a fixed means of access is necessary, but doesnt apply to powered means of access such as lifts, escalators or other devices designed to lift people between two levels. Who is this standard for? It will be used by: Machine manufacturers