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Dul Hasti Dam and Hydroelectric Power Project

Energy > Hydropower > Large Hydropower
  • Client:

    NATIONAL HYDROELECTRIC POWER CORPORATION (NHPC)

  • Region / Country:

    Asia / India

  • Services:

    EXECUTION / As-built documentation / Detailed Design / Engineering Procurement Construction Contracting / Owner's or Lender's Engineer / Sustainable Development / FEASIBILITY / Conceptual & Basic design (FEED)

  • Period:

    1989 – 2007

 
Description

NHPC assigned Tractebel Engineering as the Owner’s Engineer for the construction of the Dul Hasti dam and Hydroelectric Power Project, India’s first hydropower utility.

Dul Hasti is a 390 MW run-of-the-river scheme on the Chandra river, which is a tributary of the Chenab river. Eight states benefit from the plant’s power generation: Jammu & Kashmir, Himachal Pradesh, Punjab, Haryana, Delhi, Uttar Pradesh, Rajasthan & Chandigarh and Uttaranchal.

The Dul Hasti project’s technical features are:

  • A concrete dam (height: 70m, length: 190m)
  • A headrace tunnel with an 8.3 m diameter, 9.5km long
  • A desilting chamber with a 15m diameter, length: 2 x 180m
  • A tailrace tunnel with a 7.5m diameter, length: 410m
  • A 3 x 130 MW (390 MW) underground powerhouse with 3 Francis turbines (3 x 71 m³/s generators of 3 x 165 MVA (megavolt ampere)
  • A spillway with a discharge capacity of 8,000 m³/s by four gated bottom outlets and a free overspill (300 m³/s).

Tractebel Engineering was responsible for…

  • Review of the Basic design, including slope stability, remedial measures
  • The detailed design and specifications (civil and electromechanical works)
  • The (as-built) construction drawings
  • Construction management, including supervision of grouting tests

Thanks to our project management, NHPC, India’s first hydropower utility, could reach its objective: building one of the most important HPPs in India, thus allowing for an integrated and efficient power development.