Rouen district heating network - supply, earthworks and installation works - Bois-Guillaume - phase 2.1.

- surveys to locate existing networks;

- construction of trenches;

- supply of pre-insulated tubes and accessories (including technical studies);

- unloading, storage, handling and fitting of all the accessories necessary for the proper execution of the heating network;

- the implementation of materials for laying pipes;

- embankments in accordance with the various prescriptions;

- the restoration of the works deposited;

- base of life.