| Chashma Barrage | |
|---|---|
 Chashma Barrage Lake | |
  Location of Chashma Barrage in Pakistan | |
| Location | Chashma,Mianwali District |
| Coordinates | 32°26′02″N71°22′44″E / 32.43389°N 71.37889°E /32.43389; 71.37889 |
| Purpose | Irrigation, power |
| Status | Operational |
| Construction began | 1967 |
| Opening date | 1971 |
| Construction cost | Rs 399 million[1] |
| Owner(s) | WAPDA |
| Dam and spillways | |
| Impounds | Indus River |
| Height | 11.28 m (37 ft) |
| Length | 1,084 m (3,556 ft) |
| Spillway capacity | 27,000 m3/s (950,000 cu ft/s) |
| Power Station | |
| Hydraulic head | 4.8 m (16 ft) (rated) |
| Turbines | 8 x 23 MWKaplan-type turbines |
| Installed capacity | 184MW |
| Annual generation | 675 GWh[2] |
| Designated | 22 March 1996 |
| Reference no. | 816[3] |
Chashma Barrage is abarrage on theRiver Indus in theMianwali District of thePunjab province ofPakistan. It is 304 km northwest ofLahore and 56 km downstream ofJinnah Barrage. The contract for Chashma Barrage works was awarded on 10 February, 1967, to French Consortium Société Dumez and Société Borie and was successfully completed by 25 March, 1971. The total cost of Chashma Barrage works was Rs.399 million[1] but power generation started later in 2001. The installed capacity of power station is 184 MW, from eightKaplan-type bulb turbine units, each with a 23 MW capacity.[citation needed] The bulb turbines have been installed for the first time inPakistan. The first unit was commissioned in January 2001, while final commissioning of all units was completed in July 2001.[2] The 8Kaplan-type turbines and synchronous generator units were made by Fuji,Japan.
Chashma Barrage is used for irrigation,flood control and power generation. ARamsar site is located nearby.
Length between abutments: 3556 ft.
Total Bays: 52
Standard Bays: 41
Undersluce Bays: 11
Normal Pond Level: 642 ft
Maximum Storage Level: 649 ft.
Maximum Flood Discharge: 950000 Cusecs
Maximum Intensity of Discharge: 300Cs. Per ft.
Width of Carriage Way: 24 ft.
Length of Navigation Lock: 155 ft.
Width of Navigation Lock: 30 ft.
Area of Reservoir: 139 square metres.
Initial Capacity: 0.87 MAF
Contract Price: Rs 399 Million
Date Commencement: 10 February 1967
Date of Completion: 25 March 1971
Contractor: Societe Dumes Enterprises Borie of France
Consulting Engineer: COODE & Partner London[1]
Dams on theIndus River | |
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