HRW Volume 19 Issue 1

By Kirsten Winkler, Roger Dekumbis, and Ajay UppalUse of a hard coating on the runners and related components at the 1,500 MW Nathpa Jhakri plant in Indea significantly decreased damage as a result of hydroabrasive erosion. The coated units hav operated successfully through the monsoon season with minimal damage.

By Anton J. SchleissThe International Commission on Large Dams’ 79th Annual Meeting, to be held May 29-June 3 in Lucerne, Switzerland, brings together dam experts from throughout the world to exchange knowledge and experiences. Such information exchange is vital to ensure efficient use and development of dams and hydroelectric generating facilities.

By Helmut Mader and Michael-Marcus TauberA new variation on the standar vertical slot bypass facilitates fish passage at dams and hydro projects while minimizing water diverted from the powerhouse. This design, called the Maba MS fishpass, features lower velocity flow than standard designs and allows fish to swim at their preferred water depth.

Aquamarine Power signs two contracts for Oyster 2 project Marine developer Aquamarine Power announced its next-generation Oyster wave energy device is to be built in Scotland by fabrication contractor Burntisland Fabrications Ltd. (BiFab). And Falmouth-based marine drilling specialists Fugro Seacore will install the foundation system for the Oyster 2 device. Under the terms of a £4 million (US$6.29 million) contract,