Risk assessment

In order to guarantee the safety of your customers and your employees, it is necessary to have insight into the risks that are associated with the machinery and appliances which they deal with. Therefore, various European directives require a risk assessment.

Everyone is occasionally confronted in everyday life with “dangers” and sometimes with the accompanying “injuries”. In this connection, we are more often confronted with small cuts than with irreparable injuries or even with death.

A ‘danger’ is related to the source (Machinery Directive: a possible source of injury or harmful effect on the health). Thus, we distinguish, among other things, mechanical dangers, electrical dangers, thermic dangers and dangers caused by noise. The risk associated with a danger is determined in a risk assessment by the chance of an injury in combination with the seriousness of that injury.

Depending on the magnitude of the danger, appropriate (protective) measures are taken. Small dangers, for example, can be adequately protected against by means of a warning. While for a much greater danger, even double protective measures are applied.

In a risk analysis, the magnitude of a danger is shown on the basis of the chance of, and the seriousness of, an injury.

Risk assessment by HMPA

In the risk assessment conducted by HMPA, the magnitude of a risk is shown on the basis of the chance of, and the seriousness of, an injury.

The risk class is determined in accordance with this mathematical risk assessment. In order to determine the risk class, HMPA attributes a chosen value to the probability (W) of the risk, the length of exposure (B) to the risk and the scale of the damage (E, seriousness). In tabular form, these chosen values provide insight.

The product of the three factors gives the risk class (R = W x B x E) with an associated level of protection to be taken. This level of protection to be taken is compared with the protective measures already present. This comparison results in recommendations for possible protective measures to be added.

In carrying out the risk assessment, HMPA lets itself be guided by the harmonised standard EN-ISO 12100:2010 (Safety of machinery – General design principles – Risk assessment and risk reduction).

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