Indira Sagar Dam Madhya Pradesh

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The Indirasagar Dam  is a multipurpose project of Madhya Pradesh on the Narmada River at Narmadanagar, Mundi in the Khandwa district of Madhya Pradesh in India.

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The foundation stone of the project was laid by late Smt Indira Gandhi, former Prime Minister of India on 23 October 1984. The construction of main dam started in 1992. The downstream projects of ISP are Omkareshwar,Maheshwar, and Sardar Sarovar Project.

Construction

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The Project envisages construction of a 92 m high and 653 m long concrete gravity dam.

It provides Irrigation in 1,230 square kilometres of land with annual production of 2.7 billion units in the districts of Khandwa and Khargone in Madhya Pradesh and power generation of 1,000 MW (8×125 MW) installed capacity.

Reservoir

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The reservoir of 12,200,000,000 m3 (9,890,701 acre·ft) was created. In terms of storage of water, it withholds the largest reservoir in India, with capacity of 12.22 billion cu m, followed by Nagarjuna Sagarbetween Telangana and Andhra Pradesh.

The dam, built as a joint venture between Madhya Pradesh irrigation and National Hydroelectric Power Corporation. It was commissioned on May 2005.

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Indira Sagar Project

The goal of the project

The main goals of this project are to provide irrigation and substantial hydroelectric power generation.

Project features

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A model of the Indira Sagar Power Station at the Regional Science Centre, Bhopal

Brief details of major components of project:

  • No. of Units, their rating and capacity  : 8 Units of 125 MW each – 1000 MW
  • Concrete Gravity dam : 653 m long & 92 m high
  • Diversion Tunnel : 688 m long & 8 m high
  • Radial Gates : 20 Nos., 20 m long & 18 m high
  • Power House : Surface with Francis Turbine Size – 200 m x 23 m x 53 m
  • Intake Structure : 208 m long
  • Water Conductor System : 8 Nos. Penstocks with 8 m dia.
  • Head race Channel : 530 m long & 75 m wide.
  • Tail Race Channel : 850 m long & 30 m wide.
  • Switchyard : 400 kV, open type.

Rehabilitation and resettlement

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  • Villages affected:54
  • Family affected: 39179 PAFs
  • Land Submerged: 91348 m

The cost of the project

The power component is Rs 1575 crores (Unit I & Unit III) at 1990 price levels which is contemplated to be completed by joint venture with N.H.P.C. The Irrigation-component i.e. the canal is Rs.591.98 crores Unit II at 1990 price level.

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The social cost of the project includes complete submergence of 69 villages and partial submergence of 180-186 villages in Khandwa, Harda-Hoshangabad and Dewas districts, as well as Harsud town which is a tehsil headquarter.

The dam is scheduled to displace 30,739 families and 80,572 people (Government report), all in Madhya Pradesh.

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