Management of design and construction of western tube awarded by OSAG to engineering consortium of IC Consulenten, Bautechnik Linz, and Chiari & Partner. Sept 2000.
Construction of the 2,148 m-long 78 sq m western tube of the Gräbern tunnel on the A2 motorway is underway by a jv between í–stu Stettin, Hinteregger and PAT for €25 million. Completion in April 2003. Visit www.oesag.at and www.oestu-stettin.at 14/02.Parallel 2.15 km-long tube being driven from both ends in variable rock conditions by Oestu Stettin, Hinteregger, Porr Tunnelbau joint venture using spiles, self drilling anchors, Super Swellex, lattice arches and shotcrete. Mechanical excavation at south, drill/blast using Atlas Copco Rocket Boomer L3 C at north. Visit www.oestu-stettin.at 32/02.
