Replacement of the current lighting and air conditioning installation of the four plants (low + 3) that make up this sector. _x000D_ replacement of the equipment located on the deck of the building, heat pump, and the air conditioners located in engine rooms, next to the staircase on the third, second and first floor, as well as the one located on the ground floor and in the garage room._x000D_ will also be operated on the envelope of the building without affecting its degree of protection, with the replacement of single glazing by other doubles with air chambers of the exterior hollows both to Plaza de España and Avenida de Portugal, without affecting carpentry.