Reliance Power Ltd. has selected Black & Veatch to design the Samalkot, India, powerplant. The 2,500-MW plant will be located in Andhra Pradesh state, about 400 miles north of Chennai. The plant will comprise three power blocks, each consisting of two 9FA General Electric natural-gas combustion turbines, two heat-recovery steam generators and one steam turbine. Each block will have a capacity of 833MW. The plant will be fueled primarily by local natural-gas reserves. The plant will be built by Reliance Infrastructure, a subsidiary of the Reliance Group, as is Reliance Power Ltd. Construction is expected to be completed in 2012.
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.