Railways are large, complex systems that form a key part of a nation’s transport infrastructure and play a vital role in its economy. Ensuring their safe operation is vital but is difficult to achieve as systems become more complex and inter-connected. To help develop the next...
The ‘Tolerability of Risk’ (TOR) concept is one of the earliest and most misunderstood ways of demonstrating that risks are As Low As Reasonably Practicable (ALARP). The TOR approach was developed by the UK nuclear industry to address the annual risk of fatality for individuals. If...
In an earlier Blog, I explained that complying with standards and the use of ‘Reference Systems’ can play important roles in demonstrating that risks are As Low As Reasonably Practicable (ALARP). However, it is also necessary to consider new ways of managing risks and, inevitably,...
What does the ‘ALARP Principle’ mean to you? To some people it means “scary approach to safety involving complicated analysis and open-ended safety obligations”. If that is you (or you have never heard the term) this short article aims to de-mystify ALARP. Origins ALARP stands for ‘As...
