This part specifies fire safety requirements for railway vehicle design to cover the objectives defined in CEN/TS 45545-1. The measures and requirements specified in this part of the Technical Specification aim to protect passengers and staff in railway vehicles in the event of a fire on board by minimizing the risk of a fire starting, delaying the fire development and controlling the spread of fire products through the vehicle, thus aiding evacuation. It is not within the scope of this Technical Specification to describe measures which ensure the preservation of the vehicles in the event of a fire. This part is valid for railway vehicles defined in CEN/TS 45545-1.