Patel wins civil contract for India’s 520-MW Tapovan Vishnugad

NTPC Ltd. has awarded a contract to Patel Engineering Ltd. of India to build the powerhouse and related civil works of the 520-MW Tapovan Vishnugad hydroelectric project on the Dhauliganga River in India’s Uttarakhand State.

Patel said October 3 that it received the 4.28 billion rupee (US$108.7 million) contract to construct a surge shaft, pressure shaft, penstock, tailrace tunnel, switchyard, and powerhouse. The work is to be completed in 48 months.

NTPC Ltd. previously awarded a (US$61 million) contract to a consortium of Zarubezhvodstroi of Russia and SSJV of India for a 73-meter-long dam, head regulator, diversion works, desilting basin, and part of a headrace tunnel. (HNN 1/30/07) Indian construction and engineering firm Larsen &Toubro Ltd. and Austria’s Alpine Mayreder Bau GmbH received a US$102 million contract to build a headrace tunnel.

In 2006, the board of directors of state-owned NTPC Ltd. agreed to invest 34.25 billion rupees (US$763 million) to build the project. NTPC said the board gave investment approval to develop the project as a merchant power plant at the �indicative estimated completed cost.�

Tapovan Vishnugad is to include four 132-MW vertical Pelton turbines, governors, four 144.44-MVa generators, excitation, transformers, valves, cranes, auxiliaries, switchgear, and supervisory control and data acquisition system.

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