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Railway applications - Infrastructure - Demountable machines, trailers and associated equipment - Part 1: Technical requirements for travelling and working; German version FprEN 15955-1:2024


This document specifies the requirements for demountable machines and trailers, including road-rail trailers – henceforward referred to as ‘machines’. This document specifies the requirements to deal with the common hazards presented by their use on the railway during transport, assembly and installation, commissioning, travelling and working on track, use including setting, programming, and process changeover, operation, cleaning, fault finding, maintenance and de-commissioning of the machines and associated equipment when they are used as intended and under conditions of misuse which are reasonably foreseeable. These machines are not designed nor intended to operate signalling and control systems and are only designed and intended to work and travel under special operating conditions in accordance with those permitted by the infrastructure managers. These machines are not permitted to run on railway lines open to normal traffic. This document is also applicable to machines and associated equipment that in working mode are partly supported on the ballast or the formation. The requirements in this document are based on the assumption that the machines are used, operated and maintained by skilled person(s). This document does not apply to the following: - requirements for quality of the work or performance of the machine; - use of separate equipment temporarily mounted on machines; - machines that utilize the overhead contact line system for traction purposes or as a power source; - hazards due to air pressure caused by the passing of high-speed trains at more than 200 km/h; - operation subject to special rules, e.g. potentially explosive atmospheres; - hazards due to natural causes, e.g. earthquake, lightning, flooding; - working methods; - operation in severe working conditions requiring special measures, e.g. corrosive environments, contaminating environments, strong magnetic fields; - hazards occurring when used to handle suspended loads which may swing freely.





Planned document number

DIN EN 15955-1

Project number


Responsible national committee

NA 087-00-01-02 UA - Track construction and maintenance machines  

Responsible european committee

CEN/TC 256/SC 1/WG 5 - Track construction and maintenance machines  

draft standard

Railway applications - Infrastructure - Demountable machines, trailers and associated equipment - Part 1: Technical requirements for travelling and working; German and English version prEN 15955-1:2022
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previous edition(s)

Railway applications - Track - Demountable machines and associated equipment - Part 1: Technical requirements for running and working; German version EN 15955-1:2013

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Railway applications - Track - Trailers and associated equipment - Part 1: Technical requirements for running and working; German version EN 15954-1:2013

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