DIN 18384 lightning protection and earthing systems.

Lightning protection for old and new buildings:

- approx. 280 m foundation earth electrode;

- approx. 800 m ring earth electrode;

- approx. 1,200 m of interception and down conductors;

- approx. 30 earth rods;

- approx. 30 interception rods.

Existing lightning protection:

October 24, 2020 to June 18, 2021

Lightning protection cafeteria:

November 9, 2020 to November 15, 2021

A total of 35 working days.