Functioning
Sukkur Barrage is used to control water flow in the River Indus for irrigation and flood control purposes.
The barrage enables water to flow through what was originally a network of canals 6,166 miles (9,923 km) long, feeding the largest irrigation system in the world, with more than 5 million acres (20,000 km²) of irrigated land.
The retaining wall has 66 spans each 60 feet (18 m) wide. Each span has a gate weighing 50 tons.
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