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Taiwan, Wu-Chien - tw/15


  Kumagai-Gumi to use 6.2 m-diameter Robbins TBM ex-Hong Kong Quarry Bay congestion relief works. Visit www.robbinstbm.com May 2000.  Breakthrough reported on 7th June, 2002 on a 6.5 km water tunnel, 6.2 m in diameter, for a hydroelectric project. Client is Taiwan Power. Contractors are New Asia and Kumagai Gumi. Excavation with a Robbins TBM. Support with steel rings, mesh and shotcrete. Geology consisted in sandstone and laminated mudstone. Construction started in April 2000. Stripping out of the TBM is underway, setting up of the concrete shuttering. Completion expected in 18 months. Cost of NT$ 12.4 billion. Visit www.taipower.com.tw and www.robbinstbm.com 27/02.