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Rock solid
10 November, 1998
Can rockbolt design lives of 100 years or more be justified? The evidence so far is that it can, says David Baxter, providing that bolts are rigorously corrosion protected and installed, but this has been the case on few projects.

Lesson of Saguenay
11 May, 1998
The Saguenay flood was an event estimated at less than once in 10,000 years. As Anthony Tawil* explains, it resulted in a reappraisal of dam safety in Canada.

Out with the old intake gates
12 January, 1998
Hydro-Quebec is carrying out extensive refurbishment of the head gate system at the Beauharnois dam in Canada. This paper outlines the inspection, testing and preliminary engineering which was necessary to define the scope of the subsequent rehabilitation programme. Report by P. Chaput, D. Gawish and M. Limoges*