Tender for The contract's object is the normative and prevenative maintenance service of the systems of protection against the fall of lightning to different city equipment. The power protection systems against the fall of lightning have the function to avoid structural damage and risks for the safety of people in case of electrical thunderstorms. According to the rules of ssh applications which have been in place, yearly, we must review the protection systems against wealthy downloads and not perform these surveys directly affects the maintenance of the installation and the status of conservation. UNIGIIIIDE A Total of Spain (11) parallelmps and a (1) mating of land in 2026, and the anticipation is that it increases to a total of 16 (16) parallel and (1) taken from land to 2029.