Bokang-Baling Hydroelectric Project

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Overview:

Residents of Pithoragarh district’s Dharchula town recently staged a protest against the proposed Bokang-Baling Hydroelectric Project.

About Bokang-Baling Hydroelectric Project:

  • It is a proposed hydroelectric project on river Dhauliganga in the Pithoragarh district in Uttarakhand.
  • It has a proposed installed capacity of 165 MW.
  • The project involves the construction of a concrete gravity dam of 65 m from river bed level and an underground Power House.
  • The project is being implemented by THDC India Limited.

Dhauliganga River:

  • Origin: It rises in the vicinity of the Niti Pass in the border regions between Garhwal region of Uttarakhand and southwestern Tibet.
  • It is one of the important tributaries of Alaknanda, the other being the Nandakini, Pindar, Mandakini, and Bhagirathi.
  • It meets the Alaknanda River (the major source stream of the Ganges river) at Vishnuprayag in Uttarakhand.
  • Length: The length of this river is about 94 km.
  • Tapovan, which is famous for its hot springs, is located on the banks of Dhauliganga.

THDC India Limited:

  • THDC India Limited (Formerly Tehri Hydro Development Corporation Limited) is a company jointly owned by the Government of India and the Government of Uttar Pradesh.
  • It was registered as a Public Limited Company in 1988 under the Companies Act 1956 to operate and maintain the Tehri Hydro Power Complex and other Hydro Projects.
  • It is a Mini Ratna Category-I Enterprise.

 


Q1) What is a Concrete Gravity dam?

A Concrete Gravity Dam is also known as “Gravity Arch Dam,” and is a freshwater-retaining concrete structure that has a wider footing (base) than the top-section. The purpose of a Concrete Gravity Dam is to maintain a low center of gravity, in order to avoid collapsing in the event of an abutment seal failure. In fact, a Gravity Arch Dam that is properly placed atop geologically stable formations is the safest type of dam.

Source: Locals in Dharchula town of Uttarakhand protest against power project, fear Joshimath-like crisis