National Hydroelectric Power Corp. (NHPC) has awarded a 4.02 billion rupee (US$87 million) contract to Bharat Heavy Electricals Ltd. (BHEL) to supply turbine-generators and other electro-mechanical equipment for the 520-MW Parbati 3 project on the Sainj River in Himachal Pradesh State.
NHPC announced February 1 the signing of the agreement, which includes design, manufacture, supply, installation, testing, and commissioning of four 130-MW vertical shaft Francis turbines; four main inlet spherical valves; four 159-megavolt-ampere, 13.8-kilovolt, three-phase, 50 HZ synchronous generators; step-up transformers; computer-based control, protection, and monitoring equipment; and auxiliaries.
In 2006, NHPC awarded contracts for civil construction of Parbati 3. A 4.39 billion rupee (US$95.9 million) contract went to a consortium of Patel Engineering Ltd. and Larsen &Toubro to construct a diversion tunnel including gates, rockfill dam, intake structures, and part of the headrace tunnel. A 3.24 billion rupee (US$70.97 million) contract went to a joint venture of Jager Bau GmbH and Gammon India Ltd. to construct part of the headrace tunnel, the surge shaft, pressure shaft, powerhouse, and tailrace tunnel. (HNN 2/24/06)
Parbati 3 is to be completed in five years at a cost of 23.04 billion rupees (US$500.7 million) with a 70-30 debt-equity ratio. The government of India is providing equity in the form of budgetary support, while the balance is arranged by NHPC from the market, financial institutions, and internal resources.
Parbati 3 is to have a 43-meter-tall rockfill dam with spillway, 7.25-meter-diameter headrace tunnel of 7.875 kilometers, and an underground powerhouse.