India firm seeks tunnel for 520-MW Tapovan Vishnugad

India’s NTPC Ltd. seeks bids by September 15 for construction of a headrace tunnel for the 520-MW Tapovan Vishnugad hydroelectric project on the Dhauliganga River in India’s Uttaranchal State.

Work includes: use of a tunnel boring machine to excavate an 8.3-kilometer, concrete-lined tunnel of 5.6 meters in diameter; a 3-kilometer horseshoe-shaped concrete-lined headrace tunnel, 5.6 meters in diameter, using a road header/drill and blast method; and construction of adits, concrete portals, and plugs in adits.

Bid documents may be obtained until August 31 from the address below for 9,000 rupees for Indian bidders and US$200 for foreign bidders in the form of an account payee demand draft to NTPC Ltd., New Delhi. Bids are due by 11 a.m. September 15.

For information, contact DGM (CS-Hydro), NTPC Ltd., Sixth Floor, Engineering Office Complex, Plot A-8A, Sector 24, Noida 201301 Uttar Pradesh, India; (91) 120-2596601; Fax: (91) 120-2410215; Internet:,

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