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Author(s):	Walter, A.; Weber, W.; Gappmaier, F.
Title:	Extension Hieflau HEP - Economical Solutions for the Headrace Tunnel
Abstract:	The expansion project for the Hieflau hydropower plant involves the construction of a second headrace tunnel to enhance the capacity from 60 up to 90 m³/s. The second tunnel, located between the weir system Gstatterboden and storage reservoir Wag, is seen as the highlight of the enhancement scheme. The breakthrough of the 4.9 km long TBM-drive is expected by end of this year.
Source:	Geomechanics and Tunnelling 1 (2008), No. 6
Page/s:	576-581
Language of Publication:	German

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