42nd Annual Conference

Luiz Isfer Maciel

Pedra Branca Escavacoes


Mr. Isfer Maciel graduated in Civil Engineer in UFPR - Paranÿ Federal University and has some graduate studies toward a Geotechnical Master of Science from USP - S?o Paulo University. Since 2001 he has worked in tunneling by drill and blast and NATM. At 2004 he co-founded the Pedra Branca Escava??es, which is a tunneling specialist company, which has more than 29 km (18 mi) of tunnels performed in 43 differents sites. Nowadays he is technical director of Pedra Branca Escava??es.

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