Tunnelbuilder Promoting the world's tunnelling industry to a huge qualified audience

View the Spanish Tunnelbuilder website View the Italian Tunnelbuilder website

Archive Search


Ecuador, Banos - ec/15


  Hidroagoyan, Odebrecht and Ansaldo/Coemsa awarded 30-year BOT contract by Conelec for $302 million San Francisco run-of-river hydro scheme with 11.2 km-long headrace. Drill/blast to be used for 413 m at top end and 847 m at penstock end, from where Robbins 7 m-diameter TBM will drive remaining 9.8 km in granite and gneiss starting April, 2003. Visit www.odebrecht.br and www.robbinstbm.com 28/01.