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Portugal, Sierra da Estrelhao - pt/20


Invitation to tender for engineering design of 33 km-long road link in central Portugal to include two tunnels of 2.2 km and 1.8 km. Ministry of Public Works, Lisbon. April 2000. Construction of 300 m-long twin-tube Ramela tunnel underway by Dragados using NATM techniques with second 1.6 km-long tube of Gardunha 1A to follow. Barracao 355 m-long cut and cover also to be built. Concessionaire is Scutvias consortium of Acestrada/Dragados/Sopol/Ramalho Rosa Cobetar/Epos and Coba. Visit www.dragados.es October 2000.  New road parallels existing N 339 through Serra da Estrela Natural Park. Third tunnel at Manteigas will be 8.6 km-long and bi-directional with 9 m-wide carriageway and 4.7 m clear headroom. Visit www.obrigado.com 07/01.