General

Examples of risk areas

Risk areas

The areas of risk or vulnerable areas are all those areas or spaces for different reasons, are exposed to risks such as natural disasters or man -made disasters that may adversely affect such sites and their surroundings.

It is common to find this type of delimited areas in places where there is great activity in the tectonic plates, since it is here where a greater number of seismic movements take place.

Many consider that the entire planet has a level of risk or vulnerability, so regardless of the area or country, a contingency or prevention plan must always be in place and that in turn it must be focused on the probabilities of a catastrophic event occurring. . For example, on the coasts there should always be plans to evacuate in the event of a tsunami or tsunami, especially after a strong earthquake since both are related.

Examples of risk areas

  1. Cities near nuclear power plants.
  2. Islands with volcanic activity .
  3. Towns near ravines and mighty rivers.
  4. Coastal cities and cyclone and storm seasons.
  5. Ships with oil cargo.
  6. Places with little police surveillance.
  7. Fireworks factories and surroundings.
  8. Citadels or urban developments near chemical plants.
  9. Abandoned or poorly lit sports areas
  10. Citadels or urban developments built near streams or river veins.
  11. Citadels or urban developments built near the beaches
  12. Citadels or urban developments built on land that is considered for agricultural use with soils not suitable to support a lot of weight.
  13. Garbage dumps without proper protection or waste control
  14. Chemical waste areas
  15. Spaces where corrosive chemical powders are used

Countries where there are active volcanoes are also a good example of risk areas and local and international authorities should carry out campaigns and drills in order to reduce the damage that may occur after an unexpected eruption.

Places with a high concentration of people or with little surveillance can be other risk areas since there is a high probability that in the face of an unforeseen event such as an attack , fire or any other act, the number of victims may be greater.

Classification of risk areas

By danger of explosion

  • Zone 0: areas where the risk is permanent or prolonged thanks to the presence of flammable substances in the form of gas, mist or vapor.
  • Zone 1:  these are those areas where, despite being an area with normal conditions, an atmosphere with a possible danger of explosion can form. This can occur as a result of a mixture of air with various flammable substances.
  • Zone 2:  areas where it is not foreseeable that an atmosphere with a potential danger of explosion could form, under normal conditions as a result of a mixture of air and flammable substances. In case of occurrence it happens infrequently, that is, they are rare in this area and when it happens the exposure time is very short.

With flammable dust

  • Zone 20:  areas where the danger of explosion is prolonged and frequent due to the presence of flammable dust clouds.
  • Zone 21: spaces where it is foreseeable that under normal conditions, the presence of an atmosphere with a possible danger of explosion will occasionally occur due to the presence of flammable dust clouds.
  • Zone 22: areas in which an atmosphere with a potential danger of explosion cannot be expected under normal conditions due to the presence of flammable dust clouds. In case of occurrence it happens infrequently, that is, they are rare in this area and when it happens the exposure time is very short.

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