Risk Assessments

Risk Assessments According to SANS / IEC 62305-2
Risk management for structures and buildings according to SANS/IEC 62305-2

Risk Assessments & Risk Management

In accordance with the LPS standards a lightning protection risk assessment must be performed on all structures under consideration.

The risk assessment process is designed to evaluate the need for a LPS and thereafter determine the level of lightning protection required.

The risk potential of structures is assessed in a risk analysis. The result of this analysis allows us to take measures which reduce the risk. The aim is to select economically reasonable protection measures which are adapted to the properties and utilisation of the building. A risk analysis defines the level of LPS and a complete protection concept including the necessary shielding measures against lightning electromagnetic impulses (LEMP).

The risk assessment process reduces the existing risk to a tolerable risk. The tolerable risk is defined when selecting the risks. These tolerable risks are specified in the standard.


Risks to be Considered

At the start of the risk analysis process, the focus is on the utilisation of the structure which allows us to calculate the risks which have to be considered for the object to be protected.

There are four different categories which are distinguished in a risk analysis:

  • Risk R1: Loss of human life
  • Risk R2: Loss of service to the public
  • Risk R3: Loss of cultural heritage
  • Risk R4: Loss of economic value

One or more risks can be relevant for the structure. The LPS designer decides which risks are to be considered. LPC designs an efficient state-of-the-art lightning protection concept based on this risk analysis

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