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Work underway by Condotte d'Acqua from two portals on 2.2 km-long single-tube Bronzolo-Bolzano tunnel under difficult conditions in porphyry using Tamrock Axera T12 computerised drillrigs for completion end-2002. Visit www.enteanas.it and www.sandvik.com 34/01.The feasibility study of the 11.6 km bypass for highway A22 in Bolzano proposes 7 km of bored tunnels and 1,090 m in cut-and-cover. Beyond road SS 12 road, the alignment follows a first tunnel, 1,655 m in length, to resurface in Val d'Ega and carry on in viaduct prior to crossing Colle dei Signori through a nearly 5.5 km tunnel and resurfacing south of the San Giacomo airport. It is not determined yet if the tunnels would be single tubes or double bores. Visit www.autobrennero.it 36/02.Open invitation to tender, deadline 23rd April, 2008 for construction of the Laives tunnel on the SS 12 road bypass between Bronzolo and Bolzano. This is a 2,882 m single-tube two-lane bidirectional tunnel, with escape exits every 500 metres, semi-transverse ventilation, to be built using the drill-and-blast method. Support will use steel arches and fibre-reinforced shotcrete. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=55392-2008, OJ S 40, or contact Autonomous province of Bolzano, Bolzano, fax +39 0471412539. E-mail gare-11.5@provincia.bz.it 10/08.The new Laives tunnel will be constructed by a consortium led by Conbau (Bolzano) in partnership with Edilmac (Bergamo), PAC (Brescia) and Fondazioni Speciali (Parma). The contract is worth EUR32.8 million. This nearly 2.9 km single-tube two-lane bidirectional tunnel is on the 9 km road SS 12 road bypass between Bronzolo and Bolzano. Click it/48 and here. Visit www.edilmac.com and www.pacspa.it 23/08.Construction of 2.88 km-long Laives tunnel on SS 12 between Bronzolo and Bolzano awarded to PAC in association with CSCAA, value EUR22.75 million excluding VAT. Contact tel +39 03 6433 1037, e-mail info@pacspa.it 44/08.



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