The services include the use of a topographer to perform

control levels on structures (bridges, tubes and tunnels).

The artworks feature features features on the main parts of the structures. The

control leveling, the periodic leveling of these characteristics, aims to

determine movements and distortions of the structure of the artwork and its evolution

in relation to the initial state established by means of the basic levelling.

For a detailed description of the subject of the assignment, please refer to the

technical provisions.

The services include the use of a topographer to perform

control levels on structures (bridges, tubes and tunnels).

The artworks feature features features on the main parts of the structures. The

control leveling, the periodic leveling of these characteristics, aims to

determine movements and distortions of the structure of the artwork and its evolution

in relation to the initial state established by means of the basic levelling.

For a detailed description of the subject of the assignment, please refer to the

technical provisions.

The services include the use of a topographer to perform

control levels on structures (bridges, tubes and tunnels).

The artworks feature features features on the main parts of the structures. The

control leveling, the periodic leveling of these characteristics, aims to

determine movements and distortions of the structure of the artwork and its evolution

in relation to the initial state established by means of the basic levelling.

For a detailed description of the subject of the assignment, please refer to the

technical provisions.