Does anyone have information on lightning protection?

How can lightning protection be so simple and clear? Here I will tell you the national regulations on lightning protection levels. Whether you give it a score or not is a trivial matter.

Lightning protection classification of buildings

Article 2.0.1 Buildings should be classified according to lightning protection requirements based on their importance, nature of use, possibility and consequences of lightning accidents. For three categories.

Policy 2.0.2 shall be classified as a Category I lightning protection building when one of the following circumstances occurs:

1. Anyone who manufactures, uses or stores explosives, gunpowder and detonating powder Buildings with a large amount of explosive materials such as pyrotechnics and pyrotechnics will explode due to electric sparks, which will cause huge damage and personal casualties.

2. Buildings with explosive hazardous environments in Zone 0 or Zone 10.

3. Buildings with zone 1 explosion hazard environment will explode due to electric sparks, which will cause huge damage and personal casualties.

Article 2.0.3 When encountering one of the following circumstances, it shall be classified as a Category II lightning protection building:

1. Buildings under national key cultural relic protection.

2. Particularly important buildings such as national auditoriums, office buildings, large exhibition and expo buildings, large railway stations, state hotels, national archives, important water supply pump rooms in large cities, etc. .

3. National computing centers, international communication hubs and other buildings that are of great significance to the national economy and contain a large number of electronic equipment.

4. Buildings that manufacture, use or store explosive substances, and where electric sparks are unlikely to cause explosions or cause huge damage and personal casualties.

5. Buildings with zone 1 explosive hazardous environment, and where electric sparks are unlikely to cause explosions or cause huge damage and personal casualties.

6. Buildings with explosive hazardous environments in Zone 2 or Zone 11.

7. Open-air steel closed gas tanks with explosion risk in industrial enterprises.

8. Ministry and provincial office buildings and other important or densely populated public buildings where the number of lightning strikes is expected to be greater than 0.06 times/a.

9. General civil buildings such as residences and office buildings where the number of lightning strikes is expected to be greater than 0.3 times/a.

Note: The estimated number of lightning strikes should be calculated according to Appendix 1 of this specification.

Article 2.0.4 When one of the following situations occurs, it shall be classified as a third-category lightning protection building:

1. Buildings under provincial key cultural relic protection and provincial archives pavilion.

2. Ministry and provincial office buildings and other important or densely populated public buildings where the expected number of lightning strikes is greater than or equal to 0.012 times/a and less than or equal to 0.06 times/a.

3. General civil buildings such as residences and office buildings where the number of lightning strikes is expected to be greater than or equal to 0.06 times/a and less than or equal to 0.3 times/a.

4. General industrial buildings where the number of lightning strikes is expected to be greater than or equal to 0.06 times/a.

5. Based on the impact and consequences of lightning strikes on industrial production, as well as factors such as local meteorology, topography, geology and surrounding environment, determine the fire protection zones in Districts 21, 22 and 23 that require lightning protection Hazardous environment.

6. In areas where the average thunderstorm day is greater than 15d/a, isolated tall buildings such as chimneys and water towers with a height of 15m or more; in areas where the average thunderstorm day is less than or equal to 15d/a, the height Isolated tall buildings such as chimneys and water towers of 20m and above.