..., was necessary. These three sills, however, are lower thanlow water level in Loch Ness and consequently coffer-dams and a diversioofn catchment run-off were required for the works to be carried out in the dry. The size of the sills meant that a considerable amounotf heat would be generated during construction...

... CHAMBERS PENSTOCKS POWER STATIONS PROBLEMS EXCAVATIONS GRANITE UNSTABLE UNDERGROUND COFFERDAMS GLACIAL SITES SURGES LININGS RETAINING FOYERS SCOTLAND LOCH NESS UK Proc. Insln Cio. Engrs, Part I , 1978, 64, Feb., 119-136 Foyers pumped storage project: construction D. D. LAND...