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Should Shenze flagpole be grounded by lightning?

Corresponding specifications

Code for lightning protection design of buildings (GB50057-94(2000 edition));

According to the national regulations, isolated towering buildings (or structures) above 15 m must be equipped with lightning protection devices.

99D50 1- 1, 99(03)D50 1- 1 Installation of lightning protection facilities in buildings.

Implementation scheme:

1. Lift the Shi Zhuan in the middle of the flagpole, connect the flagpole with 4mm×40mm galvanized flat steel, and do anti-corrosion treatment at the welding place. Restore Shi Zhuan.

2. The grounding system should be laid underground in the lawn on the south side of the flagpole. The vertical grounding body adopts composite material ES-TBP-22 grounding electrode, which is 2.5m long and 5m apart. The horizontal grounding body adopts composite material ES-TL-M 185 multi-strand grounding wire, and the buried depth is not less than1.5m. The grounding system is connected by hot melt welding process. Repair the lawn.

3. Connect the flagpole to the grounding system. The grounding resistance is not more than 4 ohms.

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