Cavico Corp. announced that Cavico Transportation, its wholly owned subsidiary, has signed a contract, estimated to be approximately USD9.43 million, for tunnel construction at Huoi Quang hydropower plant. The total length of tunnel is 9,895.89 metres. Its external diameter is 9 m and the internal diameter equals 7.5 m. The geology is porphyric rock and rhyolite. The planned method of excavation is drill and blast and conventional excavator equipped with bucket. ..

The Coentunnel Company BV consortium, formed by VINCI Concessions and VINCI Construction’s subsidiaries CFE and Dredging International, together with Dura Vermeer, Arcadis, Besix and TBI, signed on 22nd April, 2008 the concession contract for the Coen tunnel in Amsterdam with the Dutch Minister for Water and Public Works. The project, worth over EUR500 million in total, calls for the financing, design and construction of an immersed, 8-lane road tunnel, refurbishment of the existing 600 m tunnel and maintenance of both tunnels for a period of 30 years. ..

A group of engineering firms led by Pro Iter, teaming with Eng Team & Partners, C&T Engineering, Geosyntech and Spain’s FHECOR, scooped a EUR764,600 contract to prepare the final design, safety coordination during final design and associated assignments (surveying, geotechnical and geological studies, etc.) as part of the upgrading of road SS13 "Pontebbana" from the south ring road in Udine to Pordenone province's road system, first lot on the section from Ronche di Fontanafredda interchange to Ponte della Delizia. The project includes a 1.4 km single-tube two-lane cut-and-cover tunnel. Visit ..

Bemel Norge, Witt & Sohn's partner in Norway, pocketed a NOK7.2 million contract to supply impulse ventilators with a combined driving power of 72-80 kN for fire ventilation in a new 2.6 km-long tunnel on Bergen's west ring road, section Dolvik-Sandeide of road Rv 557. Visit www.bemel.no and www.wittfan.de 17/08...

Invitation for prequalification, deadline 6th June, 2008 for the main civil works of the 309 MW Upper Tamakoshi hydroelectric project (contract No. UTKHEP/03-2064/65) which consist of a 22.5 m-high and 60 m-long diversion dam; the Bhaise Khola intake structure including an approx. 60 m-long connecting shaft to the headrace tunnel;

Sociedad Concesionaria Autopista Los Libertadores S.A. was awarded the concession for the construction and operation of the 117 km Santiago-Colina-Los Andes highway under a public tender in 1997, for a term of 28 years. The operator is owned by OHL of Spain. OHL will invest USD101 million in expanding and improving the highway. The Chacabuco tunnel will be doubled and the upgrading of a 19.5 km

Invitation to prequalify, deadline unspecified, for construction of 750 mm-diameter gas pipelines. Contractors are required to have experience in tunnelling and microtunnelling. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=67831-2008, OJ S 49, or contact Snam Rete Gas, San Donato Milanese, fax +39 0252038570. Visit mevem@snamretegas.it 13/08.

Mott MacDonald has issued a prequalification notice for the refurbishment of Cuilfail tunnel in south-east England. Click here for details. 17/08.