The Changing Nature of Hazard — the Effects of the Electronics Revolution

Abstract

The substitution of man by electronics equipment for the control of processes changes the nature of hazard. Man has the ability to recognise and adapt to the unusual occurrence and a sequence of events which leads to hazardous events. He can intervene to increase or decrease the level of hazard. The operators will to survive and protect financial investments normally works in the direction of hazard reduction.

Electronics control adds a new dimension to the likely frequency and consequence of hazardous incidents. Whilst much of the flexibility of control provided by man is lost, the reliability of equipment, speed of information collection, its analysis and communication provides a sound basis for hazard reduction. If advantage is to be taken of the potential benefits it will be important to plan and devise systems which take account of the hazard that can arise.

This requires systematic analysis. This paper discusses factors which need to be considered and suggestions are made for planning to reduce hazard.