This standard applies to all machinery (stationary and mobile) where fixed means of access are necessary. This standard applies to working platforms and walkways which are an integral part of a machine. This standard could also apply to working platforms and walkways to that part of the building where the machine is installed, providing the main function of that part of the building is to provide a means of access to the machine. NOTE: This standard may be used in other conditions of use, but to respect the National regulations.