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'''Basava Sagar Dam''', previously known as '''Narayanpura Dam''', is a dam constructed across the [[Krishna River]] at [[Yadgir district|Yadgir District, Karnataka State]], India.<ref>{{cite web | url=http://www.kbjnl.com/Comp-OM-Narayanpur-dam | title=Narayanpur Dam | publisher=Krishna Bhagya Jal Nigam Ltd. | access-date=21 June 2016}}</ref> The reservoir that it impounds is known as Basava Sagar, and has a total storage capacity of 37.965 [[tmcft]] (1.075 km³), with 30.5 tmcft (0.85 km³) live storage.<ref name="KBJN">{{Cite web|title=Narayanpur Dam: Salient Features of Completed Project|publisher=Krishna Bhagya Jala Nigam Limited|url=http://www.kbjnl.com/Comp-OM-Narayanpur-dam|archive-url=https://web.archive.org/web/20130208080725/http://www.kbjnl.com/Comp-OM-Narayanpur-dam|archive-date=8 February 2013|url-status=live}}</ref><ref name="Breach">{{Cite news|author=Special correspondent|date=8 October 2005|title=Breach raises questions about safety, maintenance of dam|url=http://www.hindu.com/2005/10/08/stories/2005100806900400.htm|archive-url=https://web.archive.org/web/20060218212259/http://www.hindu.com/2005/10/08/stories/2005100806900400.htm|archive-date=18 February 2006|newspaper=[[The Hindu]]|url-status=dead}}</ref> The full reservoir level is 492.25 m MSL and the minimum draw down level is 481.6 m MSL. It was a single purpose project meant only for irrigation, but downstream electrical generation and drinking water considerations enter into its management. The dam is 29 meters high and over {{convert|10.637|km}} long,<ref name="KBJN" /> and has 30 gates for water release. 22 Spillway Gates are present in the Dam<ref name="Breach" /> It took Rs. 50.48 [[Wiktionary:crore|crore]] to complete.<ref>{{Cite news|author=Bhat, Suresh|date=3 November 2006|title=A lot remains to be done for UKP|url=http://www.hindu.com/2006/11/03/stories/2006110301330500.htm|archive-url=https://web.archive.org/web/20130208071632/http://www.hindu.com/2006/11/03/stories/2006110301330500.htm|archive-date=8 February 2013|newspaper=[[The Hindu]]|url-status=dead}}</ref | '''Basava Sagar Dam''', previously known as '''Narayanpura Dam''', is a dam constructed across the [[Krishna River]] at [[Yadgir district|Yadgir District, Karnataka State]], India.<ref>{{cite web | url=http://www.kbjnl.com/Comp-OM-Narayanpur-dam | title=Narayanpur Dam | publisher=Krishna Bhagya Jal Nigam Ltd. | access-date=21 June 2016}}</ref> The reservoir that it impounds is known as Basava Sagar, and has a total storage capacity of 37.965 [[tmcft]] (1.075 km³), with 30.5 tmcft (0.85 km³) live storage.<ref name="KBJN">{{Cite web|title=Narayanpur Dam: Salient Features of Completed Project|publisher=Krishna Bhagya Jala Nigam Limited|url=http://www.kbjnl.com/Comp-OM-Narayanpur-dam|archive-url=https://web.archive.org/web/20130208080725/http://www.kbjnl.com/Comp-OM-Narayanpur-dam|archive-date=8 February 2013|url-status=live}}</ref><ref name="Breach">{{Cite news|author=Special correspondent|date=8 October 2005|title=Breach raises questions about safety, maintenance of dam|url=http://www.hindu.com/2005/10/08/stories/2005100806900400.htm|archive-url=https://web.archive.org/web/20060218212259/http://www.hindu.com/2005/10/08/stories/2005100806900400.htm|archive-date=18 February 2006|newspaper=[[The Hindu]]|url-status=dead}}</ref> The full reservoir level is 492.25 m MSL and the minimum draw down level is 481.6 m MSL. It was a single purpose project meant only for irrigation, but downstream electrical generation and drinking water considerations enter into its management. The dam is 29 meters high and over {{convert|10.637|km}} long,<ref name="KBJN" /> and has 30 gates for water release. 22 Spillway Gates are present in the Dam<ref name="Breach" /> It took Rs. 50.48 [[Wiktionary:crore|crore]] to complete.<ref>{{Cite news|author=Bhat, Suresh|date=3 November 2006|title=A lot remains to be done for UKP|url=http://www.hindu.com/2006/11/03/stories/2006110301330500.htm|archive-url=https://web.archive.org/web/20130208071632/http://www.hindu.com/2006/11/03/stories/2006110301330500.htm|archive-date=8 February 2013|newspaper=[[The Hindu]]|url-status=dead}}</ref> | ||
==Gates== | ==Gates== | ||
There are thirty spillway gates built into the dam. Each of these spillway gates are of the Ogee type. It is a common and basic design which transfers excess water from behind the dam down a smooth incline into the river below.<ref>{{cite web | url=https://www.bayt.com/en/specialties/q/150644/radial-gate-as-a-part-of-dams-what-are-the-advantages-and-disadvantages-of-it/ | title=radial-gate-as-a-part-of-dams-what-are-the-advantages-and-disadvantages-of-it | publisher="www.bayt.com" | date =3 April 2018 | access-date= 30 May 2018}}</ref> These are usually designed following an ogee curve. Most often, they are lined on the bottom and sides with concrete to protect the dam and topography. The dam falls under the Parliamentary Constituency of Vijayapura, and it is classified as being an earthen/ gravity and masonry build type.<ref>{{cite web | url=http://india-wris.nrsc.gov.in/wrpinfo/index.php?title=Narayanapura_Dam_D04315 | title=wrpinfo | publisher="india-wris.nrsc.gov.in" | date=3 April 2018 | access-date=30 May 2018 | archive-url=https://web.archive.org/web/20180323041857/http://india-wris.nrsc.gov.in/wrpinfo/index.php?title=Narayanapura_Dam_D04315 | archive-date=23 March 2018 | url-status=dead }}</ref> | There are thirty spillway gates built into the dam. Each of these spillway gates are of the Ogee type. It is a common and basic design which transfers excess water from behind the dam down a smooth incline into the river below.<ref>{{cite web | url=https://www.bayt.com/en/specialties/q/150644/radial-gate-as-a-part-of-dams-what-are-the-advantages-and-disadvantages-of-it/ | title=radial-gate-as-a-part-of-dams-what-are-the-advantages-and-disadvantages-of-it | publisher="www.bayt.com" | date =3 April 2018 | access-date= 30 May 2018}}</ref> These are usually designed following an ogee curve. Most often, they are lined on the bottom and sides with concrete to protect the dam and topography. The dam falls under the Parliamentary Constituency of Vijayapura, and it is classified as being an earthen/ gravity and masonry build type.<ref>{{cite web | url=http://india-wris.nrsc.gov.in/wrpinfo/index.php?title=Narayanapura_Dam_D04315 | title=wrpinfo | publisher="india-wris.nrsc.gov.in" | date=3 April 2018 | access-date=30 May 2018 | archive-url=https://web.archive.org/web/20180323041857/http://india-wris.nrsc.gov.in/wrpinfo/index.php?title=Narayanapura_Dam_D04315 | archive-date=23 March 2018 | url-status=dead }}</ref> | ||
When it was completed in 1982<ref name="KBJN" /> it provided water to irrigate 4.21 lakh hectares in [[Jewargi]] taluka in [[ | When it was completed in 1982<ref name="KBJN" /> it provided water to irrigate 4.21 lakh hectares in [[Jewargi]] taluka in [[Kalaburagi district]], [[Shahapur, Karnataka|Shahapur]] and [[Shorapur]] talukas in Yadgir district, [[Sindagi]] and [[Indi, Karnataka|Indi]] talukas in [[Bijapur district, Karnataka|Bijapur district]], and [[Lingsugur]] and [[Devadurga, India|Devadurga]] talukas in [[Raichur district]].<ref name="Fifth-gate">{{Cite news|author=Staff|date=7 October 2005|title=Fifth gate of Narayanpur Dam cracks open, water spews out|url=http://www.hindu.com/2005/10/07/stories/2005100710090400.htm|archive-url=https://web.archive.org/web/20060307155603/http://www.hindu.com/2005/10/07/stories/2005100710090400.htm|archive-date=7 March 2006|newspaper=[[The Hindu]]|url-status=dead}}</ref> | ||
== Future potential== | |||
Nearly 2000 MW capacity [[pumped hydroelectric energy storage]] (PHES) plant can be installed using the Basava Sagara reservoir as its upper reservoir. In the downstream of the dam, lower reservoir with 5 [[tmcft]] storage capacity can be located to utilize nearly 60 meters water head. PHES plant is a low cost method to store the excess power generated by the solar and wind power plants during the day time and make available for use during the night hours. Also substantial secondary hydro power can be generated using the flood water flows at no extra cost during the monsoon season. Also the downstream dam with 5 tmcft storage can have 200 MW hydro power capacity to generate secondary power from floodwaters during the monsoon season. | |||
==Incidents== | ==Incidents== | ||
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==External links== | ==External links== | ||
* Photos: {{Cite web|title=Narayanpur Dam|publisher=Mysore Construction Company|url=http://www.myconltd.com/Irrigation%20Home.htm|archive-url=https://web.archive.org/web/20120609050957/http://www.myconltd.com/Irrigation%20Home.htm|archive-date=9 June 2012|url-status=live}} | * Photos: {{Cite web|title=Narayanpur Dam|publisher=Mysore Construction Company|url=http://www.myconltd.com/Irrigation%20Home.htm|archive-url=https://web.archive.org/web/20120609050957/http://www.myconltd.com/Irrigation%20Home.htm|archive-date=9 June 2012|url-status=live}} | ||
{{-}} | {{-}}{{Yadgir district}}{{Hydrology of Karnataka|state=expanded}} | ||
{{Hydrology of Karnataka|state=expanded}} | |||
{{Krishna basin |state=expanded}} | {{Krishna basin |state=expanded}} | ||
{{Krishna River dams}} | {{Krishna River dams}} | ||
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[[Category:Dams on the Krishna River]] | [[Category:Dams on the Krishna River]] | ||
[[Category:Buildings and structures in Yadgir district]] | [[Category:Buildings and structures in Yadgir district]] | ||
[[Category:1982 | [[Category:1982 establishments in Karnataka]] | ||
[[Category:Dams completed in 1982]] | [[Category:Dams completed in 1982]] | ||
{{India-dam-stub}} | {{India-dam-stub}} | ||