Second 20.23 km-long carriageway of Ecovias dos Imigrantes, Sao Paulo to Praia Grande under construction by CR Almeida and Impregilo with three drill/blast tunnels for completion December, 2002. 3,146 m-long TD1 is complete, and becomes the longest Brazilian road tunnel. 2,080 m-long TD2 to be completed May, 2002, and 3,005 m-long TD3 in July, 2002. Four Atlas Copco drillrigs have excavated 1.2 million cu m of rock for concrete production. Design by Geodata. Visit www.ecovias.com.br and www.boomer-rig.com 44/01.
