Extension valued at US$60 million 1.04 km from Federico Lacroze to Trondaor and onwards 0.75 km to Los Incas. Tenders invited. February 1999.   Fourteen month civil engineering contract awarded to Techint for 1.79 km extension, as above, value $34 million. To be built by cut and cover along Avenida Triunvirato. Second 1.7 km extension in preliminary design by state holding company Subterraneos de Buenos Aires Sociedad del Estado who hope to start work by 2002. Further stations will be built at Echeveria and Villa Urqiza along the same avenue. Sept 1999.Dywidag reports that section B of line B is under construction by a joint venture of Techint-Dywidag with twin single-track tunnels and two cut and cover stations at Tronador and Los Incas. More from teaspk@tearg.com.ar Visit www.dywidag.de November 2000.Four bidders have submitted a technical offer to build section C of Line B extension, with two stations in Echeverria and Villa Urquiza. They are Benito Roggio e Hijos, Techint, Dycasa and Skanska. The tender value amounts to Ps97.2 million (USD32.7 million). The project plans a 1.6 km extension westward from Las Incas station. Work to commence in March 2005 for inauguration scheduled for 2007. 39/04.The financial offers for Line B extension in Buenos Aires are: Benito Roggio e Hijos with ARS100 million; Dycasa with ARS100.9 million; Techint ARS105.9 million; and Skanska ARS108.8 million. The preferred contractor will be the one which submitted the best combination of technical and financial bids. Construction will commence before March 2005 to end in June 2007. The extension will add 1.6 km and two stations to the 11 km line. 43/04.