barrages

SUKKUR BARRAGE;
The sukkur barrage is a barrage across the indus river near sukkur.It was built during the british rule from 1932 to 1932 as the lliyd barrage to help alleviate farmines caused by lack of rain.The barrage enables water to flow through a 9900 km long network of canals feeding the largest irrigation system in the world with more than 5 million acres 20,000 km of irrigated land.The retraining wall has sixty six spans each 60 feet wide each span has a gate which weights 50 tons.

KOTRI BARRAGE;
The kotri barrage near hyderabad is 915 meters 3,000ft long and provides additional supplies for karachi.Kotri being the major fishing centers all in the lower sindh course.But damming abd irrigation has made fish farming an important economic activity..
Kotri barrage is the last barrage on river indus as after this barrage the indus river goes to arabian sea through its delta.
there are total 4 canals which take off from kotri barrage.
I is from right bank of the river named as kalri canal
while 3 are from the left side of the barrage named as a/ linned canal, b/ fulei canal, c/ pinyari canal......

DAMS;
A dams is a  natural or artificial lake or large tank used for collecting and storing water especially for community water supplies or irrigation and for generating hydel power.

DAMS IN PAKISTAN;
Three main dams multi purpose projects mangla, tarbela, and warsak were constructed for the purpose of generating electricity storage and irrigating agriculture land.
TARBELA DAM;
The world's largest earth filled dam on one of the world most important river's the indus is 50 km from islamabad at tarbela near swwabi.The main dam wall built of earth and rock filled streches 2.743 meters 8,999 ft from the island to the right bank of the river standling 148 meters 486ft high.The dam was completed in april 1976 at a cost of rs.18.5 billion.Over 15,000 pakistani and 800 foregin workers and engineers worked during its construction. Its is the biggest hydel power stations in pakistan having in a capacity of generating 3,478 MW of electricity.Its reservior is 97 km long with a depth of 137 meters while total area of the lake is 260 Sq Km. The  dam and power house can be visited after acquiring permits from the water and power development authority WAPDA along with a no objection certificate NOC from the ministry of interior.
MANGLA DAM;
The mangla dam on the river jehlum is one of the longest earth filled dams in the world.The indus basin treaty of 1960 with india paved the way for its construction.World's third largest earth filled dam is only 115 km south east of rawalpindi.One has to turn left from dina town and the dam on river jehlum is about 14km to the east.The dam is 3,353 meters 11,000 ft long and 116 meters high above the river bed with a crest elevation of 1,234feet...