Direct risk assessment

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In practice, the majority of hazards lie in the intermediate zone (i.e. zone B) between clear acceptance and obvious danger. You should have noted from Reading 2 that the As Low As Reasonably Achievable (ALARA) or the As Low As Reasonably Practicable (ALARP) principles need to be applied. One simple solution is to apply the direct risk acceptance scale, and the types of consequences (safety, health, environmental and production, SHEP) approaches.

Examples of the direct risk acceptable scale and classification of types of consequences (SHEP) are shown in Table 1.3 and Table 1.4, respectively.

Table 1.3 Example of the direct risk acceptable scale
Code	Description
0	Negligible risk
1	Acceptable risk, no safety measure required
2	Safety measure recommended
3	Safety measure essential

Source: Harms-Ringdahl 2001, table 4.3, p. 51

Table 1.4 Example of the classification of consequences
Code	Description
S	Safety	Accident hazard for people
H	Health	Health problem for people
E	Environment	Environmental problems
P	Production	Problems with production, quality, etc.

Source: Harms-Ringdahl 2001, table 4.4, p. 52

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Direct risk assessment