1.1 This European Standard specifies the safety and performance requirements and test methods applicable to turntable ladders with combined movements of classes 18, 24 and 30, as defined in 3.13, under the control of fire-fighters and intended for fire fighting and rescuing people.Turntable ladder vehicles comprise a chassis, bodywork and a powered extending structure unit in the form of a ladder with or without a cage.Turntable ladder vehicles covered by this European Standard have a self-propelled chassis, the motor of which supplies power required for the operation of the ladder and permits all of the operational movements to be made simultaneously, with