It is the risk reduction factor with respect to the flammability of the material present in the building / installation. For example, in case of lighting strike, loss will be very high at a gas station as compare to the cement store. Isolated structure on top of a hill or a hillock Isolated structure-No other objects nearby Structure surrounded by similar or lower objects Structure surrounded by higher objects or trees For example, chance of lighting strike is minimized if the building is near to a high tower. It is the risk reduction factor with respect to the location and surrounding of the building / installation. For example, loss due to lighting strike is higher in hospital as compared to a store / warehouse. It is the risk reduction factor with respect to theoccupancy of the building / installation. If it is a fair die, then the likelihood of each of these results is the same, i.e., 1 in 6 or 1 / 6. No particular dangerĬontamination of surroundings or environment If you have a standard, 6-face die, then there are six possible outcomes, namely the numbers from 1 to 6. It is the factor of presence of people and panic in the building in case of a lightning strike. Higher the lighting strike density, higher the probability of lightning strike which needs higher level of lightning protection level. When the number of dice being rolled is comparable between the parties, the advantage swings towards the defender. The defending army, on the other hand, can roll a maximum of two dice but wins ties. It is the measure of lightning strikes per kilometre square per year in the particular area. While able to roll three dice, the attacker receives a probabilistic advantage that outweighs the defender. Changed Version 1.0 terminology of individual infection risk estimates to probability of infection estimates for the AIRC TEC model (see new Glossary). Ng = 8),īrief introduction of all are given below. lightning strike density in that particular area ( provided by OMV i.e.These calculations are according to IEC Standard 62305-2.
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