ziaulislam
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kalabagh and bhasha dam both have its advantages..experts dont agree to what you say as a detail engineering study has already completed which put the time frame at 8-9 years.
Diamer Bhasha happens to be one of the toughest terrains to build a dam..not only will it be costing a bomb, it also happens to be almost logistically inaccessible and cutting through that tough rock will be time consuming 12 to 15 years minimum is what most experts agree.
Incidentally Kalabagh could have been completed in half the time and fraction of cost , would not have required a NOC from India to get foreign assistance.
logistically its accessible through KKH however to deliver the final turbnes the highway will have to be slightly increased in width.
kalabgah has advantage of able to use extra 20 MAF of water from river kabul but bhasha dam has the advantage of not only saving tarbela dam but giving extra power at DASU,TARBELA and ghazi brotha.
which one is more beneficial, the answer is bhasha dam(MORE POWER,MORE STORAGE) but it will be costly to make about 30-40% more than kalabagh.
however if govt take the second route i.e earth filled rather than roller concrete than the projects cost can come down however the time frame will be increased..thats why the decision was made on roller concrete form.
kalabgh will generate approx 12 billion units every year basha will generate 19 billion units and additional 2 billion units at tarbela 5 billion units on dasu down stream and another 1 billion units at chasm and ghazi brotha. thus near twice as much of energy in addition to saving tarbela whose capacity is to be increased to 6000 mw under tarbela V (from 4800 once tarbela IV is completed)
so even if we built kalabgh, bhasha will still be of an immense importance especially after work on dasu..dasu can be completed to its full capacity of 4300 without bhasha
why is kalabagh dam a necessity, to stop down streaming flooding of kabul river( during flooding on occasion about 30 MAF of water is poured in from river kabul) and to irrigate barren lands of KPK and punjab
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