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Railway Safety and Security – Two Sides of the Same Coin? (paper)

bastad

In many different standards the subject matter of dependability, including reliability, availability, maintainability and safety/security, RAMS(S) for short, is defined by various concepts. Their unambiguous definition can lead to a clear interpretation which facilitates communication of all persons involved in the development of safety-critical railway applications. By means of concise communication during specification, subsequent implementation as well as the preparation of operating and maintenance manuals negative legal and financial impacts can be avoided. This paper introduces a method for terminological disambiguation and applies it to the terms “safety” and “security”.

Year of Publications: 2009

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Railway Industry (GB) Guidance on Managing Risks (paper)

bastad

Comparison of risk associated with an action and its cost, is not simple as risk and cost are not measured in the same units. The GB railway industry risk generally estimates in Fatalities and Weighted Injuries (FWI) per year. In order to make a comparison of risks with costs, the risk needs to be translated into a financial value. This is done using the industry ïValue of Preventing a Fatality’ (VPF), which is currently approximately £1.6 million per statistical fatality averted (DfT, 2004). Having made the risk and the sacrifice comparable how do we weight one against the other?

Year of Publications: 2009

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How Safe is Safe Enough When it Comes to Safety Crew Onboard Passenger Trains? (paper)

bastad

A study, conducted by Scandpower, on requirements and regulations in Norway, Sweden, Denmark and Germany concerning the crew on board passenger trains. The conditions in each country have been studied in order to compare the different concepts and conclude if there are major differences in approach, requirements and methods. The study was focused on the application of the safety equipment of the trains, the tasks of the crew and evacuation requirements in case of an emergency situation. The purpose of the study was to evaluate the safety related importance of the manning of passenger trains with or without safety crew.

Year of Publications: 2009

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