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词条 Ukai Dam
释义

  1. Ukai Hydro Power Station

  2. See also

  3. References

{{Infobox dam
| name = Ukai dam
| name_official = Ukai Water Resources Project
| image =
| image_size =
| image_caption =
| image_alt =
| location_map = India Gujarat
| location_map_size =
| location_map_caption = Ukai Dam
| coordinates = {{coord|21|14|53.67|N|73|35|21.87|E|type:landmark|display=inline,title}}
| country = India
| location = Surat district and Tapi district
| status = o
| construction_began = 1964
| opening = 1972
| demolished =
| cost = Rs 1389.6 Million
| owner =
| dam_type =
| dam_height =
| dam_height_thalweg =
| dam_height_foundation={{convert|80.772|m|ft|lk=in|sigfig=2}}
| dam_length = {{convert|4927|m|ft|lk=in|sigfig=2}}
| dam_width_crest =
| dam_width_base =
| dam_volume =
| dam_elevation_crest =
| dam_crosses = Tapti River
| spillway_count = 22, radial
| spillway_type = Ogee
| spillway_capacity = 46,269 m3/s
| res_name = Vallabhsagar
| res_capacity_total = 7,414 MCM
| res_capacity_active = 6,730 MCM
| res_capacity_inactive=
| res_catchment = {{convert|62225|km2|sqft|lk=in|sigfig=2}}
| res_surface = {{convert|612|km2|sqft|lk=in|sigfig=2}}
| res_elevation =
| res_max_depth =
| res_max_length =
| res_max_width =
| res_tidal_range =
| plant_hydraulic_head = {{convert|57|m|ft|lk=in|sigfig=2}} to {{convert|34|m|ft|lk=in|sigfig=2}}
| plant_operator =
| plant_commission =
| plant_decommission =
| plant_type = c
| plant_turbines =
| plant_capacity = 300 MW
| plant_annual_gen =
| website = Ukai dam
| extra =
}}

The Ukai Dam, constructed across the Tapti River, is the second largest reservoir in Gujarat after the Sardar Sarovar. It is also known as Vallabh Sagar. Constructed in 1972, the dam is meant for irrigation, power generation and flood control. Having a catchment area of about 62,255 km2 and a water spread of about 52,000 hectares, its capacity is almost same as that of the Bhakra Nangal Dam. The site is located 94 km from Surat.

The storage capacity of Ukai dam is almost 46% of the total capacity of all the other existing dams in Gujarat if put together. Thus it can be concluded that the rest of the dams have as little as 0.1% average storage capacity. During the last 40 years, the actual irrigation potential is attained through all the major and medium water resources projects in the State, which comprises only 14 million hectares.[1]

The dam is an earth-cum-masonry dam. Its embankment wall is 4,927 m long. Its earth dam is 80.77 meters high, whereas the masonry dam is 68.68 meters high. The dam's left bank canal feeds water to an area of 1,522 km2. and its right canal provides water to 2,275 km2 of land.[2]

Ukai Hydro Power Station

There are four hydro turbine units, each of 75 MW with a total installed capacity of 300 MW. All the above units were made by BHEL. Commissioning dates of units 1 to 4 are: 8 July 1974, 13 December 1974, 22 April 1975 and 4 March 1976.

See also

  • Songadh Fort

References

1. ^{{cite news |title=Grave danger to Ukai dam: Gujarat govt |url=http://articles.timesofindia.indiatimes.com/2006-08-08/ahmedabad/27804539_1_ukai-tapi-catchment-areas |work=The Times of India |date=8 August 2006 |accessdate=2 July 2010 }}
2. ^{{cite web|title=Water Resources Projects in the Tapi Basin|url=http://www.nih.ernet.in/rbis/india_information/Tapi_projects.htm|accessdate=2 February 2014}}
{{stack|{{Portal|Gujarat|Water|Renewable energy}}}}{{Power Plants of Gujarat}}

6 : Dams in Gujarat|Dams on the Tapti River|Hydroelectric power stations in Gujarat|Surat district|Masonry dams|Dams completed in 1972

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