Construction of 2.29 km-long x 10.2 m-diameter Chienberg underway in swelling Triassic formation of marls and anhydrite by contracting jv of Batigroup, Frutiger and Itin for completion end-2003 at value $100 million. 1.4 km to be bored and 850 m cut-and-cover. Visit www.batigroup.ch December 2000.
