Prequalification for bidding in early-2000 for 1.9 km TBM tunnel with finished diameter of 4.45 m with 320 mm unreinforced concrete lining, two shafts, a pumping station and three 640 mm drilled ventilation shafts. Scheme also includes 445 m of smaller diameter pipelines. More details from Ed Cronin, Greeley Hansen, e-mail ecronin@greeley-hansen.com November 1999.
Tunnel now under bid at 2.1 km long with diameter acceptable between 5.25 m and 5.9 m. Contact ecronin@greeley-hansen.com March 2000.
