The life of the army took place in the barracks (1), while the combat part was in the extension of the building (2). Although local legends tell of hundreds of rooms, the barracks has between 50 and 60 rooms. What is most noticeable today on the combat part is the concrete roof (2), on which are four sliding steel domes, the outer part of artillery nest, weighing 25 tons. Two domes protected howitzer crews and two served as observation posts, to correct artillery fire.