45221000 – Construction work for bridges and tunnels, shafts and subways

Construction work for bridges and tunnels, shafts and subways code description

The category “Construction work for bridges and tunnels, shafts and subways” encompasses various construction services related to the development of bridges, tunnels, shafts, and subways. These services involve the planning, design, and execution of construction projects in these areas. For instance, under the subcategory of “Construction work for bridges,” it includes the construction and maintenance of bridges, ensuring their structural integrity and safety. On the other hand, the subcategory of “Construction work for tunnels, shafts, and subways” involves the construction and maintenance of underground passages, such as tunnels and subways, as well as vertical shafts. These services are crucial for the development and maintenance of transportation infrastructure, ensuring efficient and safe travel for the public.