Start of construction: January 1999
Construction volume (value of our services): 15 M CHF
Tetrag is building a nationwide energy management system for Coop that will encompass more than 800 sales points and distribution centres. This includes a central server infrastructure for aggregating data to obtain daily, monthly and yearly values. Key figures will also be calculated on an ongoing basis and compared to limit values.
Start of construction: September 2009
The Söderström tunnel as part of the Citybanan project is an approx. 300 meter long submerged tunnel that crosses under the Söderström and a branch of Lake Mälaren and is located between two rock tunnels.
Start of construction: January 2009
Construction volume (value of our services): 128 M EUR
Following the fire of the Mont Blanc Tunnel in 1999, substantial changes were made to the regulations which resulted in the Fréjus Tunnel being brought into compliance. The Société Française du Tunnel Routier du Fréjus (SFTRF) invited tenders for the construction of a tunnel parallel to the existing road tunnel connecting France with Italy, with a length of 12,875 m, of which 6,495 m (on the French side) were awarded to the RAZEL-IMPLENIA Construction consortium.