It has both strategically relevant special equipment (tunnel boring machines, self-launching equipment, floating docks, blondin, crawler machines) as well as more common equipment (concrete and bituminous plants, crushing plants, spreaders, tower cranes, etc.). This department carries out the study and design of the work facilities, develops specific procedures and supports the assembly and certification of equipment. The Central Machinery Park and the Central Warehouse of Auxiliary Resources, with the support of the regional parks and those of the subsidiaries, are in charge of the maintenance and operation of the machines and equipment, as well as the provision of mechanical engineers and specialists for the integration in construction teams.

Execution of special construction methods, such as bridge laying using prestressing or lifting thrust cables, handling and handling of high loads (heavy lifting), gantry piling on suspended rails, sliding formwork.

Installation of prestressing and tie rods in structures with the Swiss BBR system.