CHASHMA RIGHT BANK CANAL PROJECT
Chashma Barrage / CRBC Project
WAPDA Chashma
Distt: Mianwali
Chashma
Barrage is one of the six river structures provided under Indus Basin
Project and is the highest amongst all. It is located on river Indus
some 56 Kms downstream of Jinnah Barrage near Kalabagh Town. It's
purpose is to supply water to CJ-Link Canal on the left and Chashma
Right Bank Canal on the right. Un-like other barrages, a small amount of
storage has been provided at this Barrage. To pass anticipated maximum
design flood discharge of 9,50,000 Cusecs, 52 Gates each 60 ft. wide
have been provided in the Barrage. A Fish Ladder and Navigation Lock
have also been provided. Two head regulators, one for CJ-Link Canal and
the other for CRBC exist on the left and right banks respectively. A low
head hydel power station has been recently constructed on the right side
of Chashma Barrage.
Financing of Indus Basin Project was made by the World Bank and the
other donors were Govt. of Australia, Canada, Germany, Newzeland, United
Kingdom & USA respectively.
The Contractor for Chashma Barrage works was awarded on 10th February
1967 to French Consortium Societe Dumez and Societe Borie and was
successfully completed by 25th March 1971. The total cost of Chashma
Barrage works was Rs.399 million.
SALIENT FEATURES
|
Length between abutments |
3556 ft. |
|
Total Bays |
52 Nos. |
|
Standard Bays |
41 Nos. |
|
Undersluce Bays |
11 Nos. |
|
Normal Pond Level |
642 ft. |
|
Maximum Storage Level |
649 ft. |
|
Maximum Flood Discharge |
950000 Cs. |
|
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 Sqm. |
|
Initial Capacity |
0.87 MAF |
|
Contract Price |
Rs.399 Million |
|
Date Commencement |
10th February, 1967 |
|
Date of Completion |
25th March, 1971 |
|
Contractor |
Societe Dumes Enterprises Borie |
|
Consulting Engineer |
COODE & Partner London |
