Three Indian firms and an Indian/Spanish joint venture are competing with three Chinese firms for a portion of a hydropower project in Nepal. Larsen & Toubro Ltd., Jyoti Structures Ltd. and KEC International Ltd. are the Indian firms. The joint venture is composed of Spain’s Cobras Instalaciones Y Servicios and India’s Aravali Infrapower Ltd. The short-listed Chinese firms are Sinohydro Corp., Central China Power Grid International Economic and Trade Co., and Shanghai Electric Power Transmission and Distribution Engineering. The Upper Tamakoshi Hydroelectric Project is located on the Tamakoshi River in the Dolakha district, about 50 miles northeast of Katmandu. The
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.