EXTENSION NETWORK OF LILLE, EARTHWORKS PART

- Site preparation and marking of existing networks

- Complementary surveys for the identification of existing networks

- The constraints of complex traffic lanes and riverside information

- The realization of the trenches according to the requirements of the tube supplier

- The backfill complies with the various requirements

- The refurbishment of deposited works

- The implementation of materials for the laying of pipes

- Realization of surveys and CAD/CAD plans of heat networks

- Roadway repairs according to the different requirements of public services