— Project Description:

Lot 1 refers to the Construction Contracts 1 and 2 for a total length of 80km, which include 42 tunnels, 76 viaduct/bridges, and 2 stations. The longest tunnel is 3,685m-long, 4 viaducts are longer than 1,000m and their height is comprised between 10 and 80m. Tunnels and Bridges were constructed using prefabricated box girders and cantilevered post-stressed bridge spans. All tunnels were constructed using the traditional NATM method. The distance between the two stations is about 48 Km. Ballastless track technology was used systematically.

— Description of Services:

General Construction supervision for Construction Contracts 1 and 2 under Supervision Lot 1 of Guizhou Section. Particular attention was given to Construction Safety and Quality Control, Environment, Risk Management, Progress and Costs Control.