Construction works of a type of small animals passing by sinking ecoduct open front (manual sinking) on the A89.
works contract. The services to be performed are mainly:
- Access to the site including the installation of modular dividers lanes, right of way clearing, carrying the stuffing platform and realization of the massive thrust;
- Achieving ecoduct a length of about 55 m in diameter and 1200 mm or by jacking with open front (manual sinking);
- Nozzles of the associated developments, the heads of ecoduct, environmental facilities adjoining areas and fences with small mesh reinforcement mesh buried.