The safety framework in most of the industries is based on some kind of goal setting principle, where the safety goals are postulated and not the means of achieving those. This framework has the advantage over the old prescriptive approach to safety, since it not only allows innovation but also encourages more efficient design. The important aspects of goal setting approach is a method (risk criteria) by which the results of a risk analysis can be interpreted in terms of recommendations on the tolerability of the overall facility risk and the optimum design, and the extent to which taking further measures to improve the design and reduce the risk may be justified. In other words, risk criteria should not just drive the risk to the level which is as low as practicable, but should also inspire a designer to seek an optimum design. One such “method” is embodied in the Tolerability Doctrine in the UK in form of the ALARP Principle. This paper sets to explore the ways in which the application of ALARP Principle facilitate search for an optimum design.

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