Italian infrastructure company Astaldi now has a 27% interest in the Chacayes run-of-river property in jv with owners Pacific Hydro. Construction of the 6 km-long tunnel system by contracting jv Astaldi-Fe Grande will start in January, 2010 using a 6 m-diameter Wirth TBM equipped with PPS navigation. For project information visit tunnelbuilder archive cl/30. Click here for contacts for TBM details, and here for guidance system. For the broader picture visit www.pacifichydro.com.au. 50/09.
