SIGNAL+DRAHT | Issue 09/2022
Implementing a tool-based hazard log
The following applies to all safety systems: hazards must be identified and managed within all the system’s lifecycle phases. They are always projected onto the phase of operation in order to be evaluated. The earlier this happens in the lifecycle, the lower the costs for any control measures. In practice, the safety management for generic ETCS (European Train Control System) system development needs to account for any hazards that arise throughout all the system’s lifecycle phases from updating the specifications to operating the finished systems, since several development releases are simultaneously managed in different stages...