Technological risk anaysis
A qualitative risk analysis process, such as we have looked at, can be used to determine the effects of hazards in a community, geographical area or activity. It can be applied to industry to derive qualitative results that are of value to emergency management.
There are other techniques for increasing the safety of industry, and these are discussed in Reading 7.2 . These techniques were developed for use in the process industries, and can be applied to any industry that manufactures, processes, uses, stores or transports hazardous materials.
There are a variety of techniques available for technological risk analysis, and the best known is called by a variety of names, including quantitative risk assessment (QRA) . It must be emphasised, however, that QRA should only be used for specific purposes, and it is not the only means of analysing hazards in industry.
Activity 7.4
Read
Reading 7.3: Risk analysis of technological systems - Applications guide.
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Examine the pages in the above reading that have been extracted from the Risk Analysis of Technological Systems - Applications Guide
What are the major differences between the technological risk analysis process shown in the Reading and the hazard and risk analysis process taught in this subject?
Read
Textbook: Disaster management: A disaster manager's handbook, chapter 2. Chapter 2 of Carter provides a useful review of the general effects of disasters, and the characteristics typical of a number of hazard types. The 'special problem areas for disaster management' are of direct relevance to the last parameter ('potential problems') used in the examples of descriptions in your readings.
Based on your reading of Carter, answer the following questions.
- What, in general, are the typical effects of all disaster types?
- What are the three steps that Carter suggests are necessary for defining the disaster threat?
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Activity 7.5 - Assignment work
You should be arranging for another planning group meeting, in which you will:
- present your hazard and community description;
- consider the potential effects of the hazards you have chosen to study.
- present your draft risk analysis; and
- determine the best method of presenting the risk analysis within your final risk assessment report.
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