The Two-Three-and Four-Dimensional Risk Scoring Systems, Essay Example

In the course of execution of professional duties, employees are exposed to certain risks at the workplace. In order to effectively eliminate, mitigate and/or avert these risks, it is essential to quantify these risks. Quantification of risks is best done using the numerical risk scoring models. There are three dimensional numerical risk scoring models; the two-, three-, and four-dimensional risk scoring systems. There are numerous differences between the three dimensional numerical risk scoring models.

Two-Dimensional Risk Scoring system

This type of scoring system takes into consideration the two main factors associated with risk and risk management; (1) the probability of the occurrence of an event occurring and (2) the severity of damage or harm that could be caused by the occurrence of that event (Manuel, American National Standards Institute, & American Industrial Hygiene Association, 2014).

Three-Dimensional Risk Scoring System

This type of scoring system looks at three factors; (1) the severity of the injury expected from a given kind of accident, (2) the frequency at which the user and/or bystander is exposed to the risk of suffering injury as a result of use of a given piece of machinery, and (3) the degree to which a user and/or bystander is vulnerable or susceptible to injury when exposed to the identified hazard (Manuel, American National Standards Institute, & American Industrial Hygiene Association, 2014). This scoring system considers all three factors equally. Thus the risk score is not inflated by an over-accentuated severity of injury.

Four-Dimensional Risk Scoring System

This type of scoring system is rarely used as it is a relatively new concept in risk management. This risk scoring system looks at four factors in risk management; (1) the likelihood of contact or occurrence of the hazard, (2) the frequency at which the user is exposed to the hazard, (3) the degree if possible harm considering the worst case scenario, and (4) the number of people who are exposed to that hazard (Manuel, American National Standards Institute, & American Industrial Hygiene Association, 2014).

References

Manuel, F. A., American National Standards Institute, & American Industrial Hygiene Association. (2014). Advanced safety management focusing on Z10 and serious injury prevention. Hoboken, New Jersey: John Wiley & Sons.