What are the first-class lightning protection buildings?

According to the importance of buildings, the nature of use, the possibility and consequences of lightning accidents, the lightning protection of buildings is divided into three levels.

3. 1. Class I lightning protection building:

3. 1. 1 buildings with particularly important uses. Such as national halls, office buildings, archives and large exhibition buildings; Extra-large and large railway passenger stations; International airports and communication hubs; State guesthouses, large-scale tourist buildings, international port passenger stations, etc.

3. 1.2 national key cultural relics protection buildings and structures.

3. 1.3 Buildings whose height exceeds 100 meters.

3.2. Secondary lightning protection buildings:

3.2. 1 Important or crowded large buildings. Such as ministries and provincial office buildings; Provincial offices, exhibitions, sports, transportation, communications, broadcasting and other buildings; And large shops, theaters, etc.

3.2.2 Buildings and structures under provincial key cultural relics protection.

3. 2. 3 19 and above residential buildings and other civil buildings with a height exceeding 50m.

3.2.4 Large computing centers above the provincial level and buildings equipped with important electronic equipment.

3.3. Level III lightning protection buildings:

3.3. 1 When the number of lightning strikes calculated in the current year is greater than or equal to 0.05, or buildings that need lightning protection are confirmed through investigation.

3.3.2 The tallest building in the complex or the building with a height exceeding 20m at the edge of the complex.

3.3.3 Isolated buildings and structures such as chimneys and water towers with a height of 15m or more. In areas with weak lightning activity (annual average thunderstorm days exceed 15), its height can exceed 20m.