Bang Lang Dam

Bang Lang Dam
Bang Lang Dam
	Dam looking to Pattani River
	Dam location in Thailand
Country	Thailand
Location	Bannang Sata, Yala
Coordinates	6°9′23″N 101°16′25″E / 6.15639°N 101.27361°ECoordinates: 6°9′23″N 101°16′25″E / 6.15639°N 101.27361°E
Purpose	Multi-purpose
Status	Operational
Construction began	July 1976
Opening date	27 September 1981
Construction cost	US$133.13 million
Owner(s)	Electricity Generating Authority of Thailand
Dam and spillways
Type of dam	Earth fill dam
Impounds	Pattani River
Height (foundation)	85 m (279 ft)
Length	430 m (1,410 ft)
Elevation at crest	120 m (390 ft)
Width (crest)	10 m (33 ft)
Reservoir
Creates	Bang Lang Reservoir
Total capacity	1,420,000,000 m3 (5.0×1010 cu ft)
Catchment area	2,080 km2 (800 sq mi)
Power Station
Operator(s)	Electricity Generating Authority of Thailand
Turbines	3 x 24 MW Francis-type
Installed capacity	72 MW
Annual generation	200 GWh

The Bang Lang Dam (Thai: เขื่อนบางลาง, RTGS: Khuean Bang Lang, pronounced [kʰɯ̀a̯n bāːŋ lāːŋ]), also known as the Pattani Dam (เขื่อนปัตตานี, RTGS: Khuean Pattani, pronounced [kʰɯ̀a̯n pàt.tāː.nīː]), is a multi-purpose hydroelectric dam in the Bannang Sata District of Yala Province, Thailand.^[1] It was the first multi-purpose dam developed in Thailand's southern region. The dam impounds the Pattani River, creating the Bang Lang Reservoir. The dam and its accompanying power plant were developed as part of the Pattani Project.^[2]

Description[]

Bang Lang Dam is an earth core rockfill dam. It is 430 m (1,410 ft) long and 85 m (279 ft) high. Its reservoir has a maximum storage capacity of 1,420,000,000 m³ (5.0×10¹⁰ cu ft) with a catchment area of 2,080 km² (800 sq mi).^[1]

The dam is considered multi-purpose supporting electricity generation, irrigation, flood control, fisheries and recreation activities.^[2]

Power plant[]

The dam's power plant has three hydroelectric Francis turbine-generating units, each with an installed capacity of 24 MW.^[3] A nearby mini hydroelectric project at Ban Santi has a 1.275 MW generating unit and is also part of the Pattani Project. The combined annual power generation is 200 GWh.^[2]

References[]

^ ^a ^b ^c "Bang Lang Dam". Electrictity Generating Authority of Thailand (EGAT). Retrieved 28 June 2020.
^ ^a ^b ^c ^d ^e Martin Wieland; Qingwen Ren; John S. Y. Tan (23 November 2004). New Developments in Dam Engineering: Proceedings of the 4th International Conference on Dam Engineering, 18-20 October, Nanjing, China. CRC Press. pp. 180–181. ISBN 978-0-203-02067-8. Retrieved 2 July 2014.
^ "Electro-Mechanical Works – Guidelines for selection of Turbine and Governing System for SHP" (PDF). Standards/Manuals/ Guidelines for Small Hydro Development. Alternate Hydro Energy Center Indian Institute of Technology Roorkee. p. 70. Retrieved 3 July 2014.

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[EGAT-1] "Bang Lang Dam". Electrictity Generating Authority of Thailand (EGAT). Retrieved 28 June 2020.

[NDDE-2] Martin Wieland; Qingwen Ren; John S. Y. Tan (23 November 2004). New Developments in Dam Engineering: Proceedings of the 4th International Conference on Dam Engineering, 18-20 October, Nanjing, China. CRC Press. pp. 180–181. ISBN 978-0-203-02067-8. Retrieved 2 July 2014.

[3] "Electro-Mechanical Works – Guidelines for selection of Turbine and Governing System for SHP" (PDF). Standards/Manuals/ Guidelines for Small Hydro Development. Alternate Hydro Energy Center Indian Institute of Technology Roorkee. p. 70. Retrieved 3 July 2014.

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