Shared description
River Hull Tidal Barrier
In 1980, the Environment Agency constructed a tidal barrier at the mouth of the river. The structure spans the river, and a huge steel gate, weighing 202 tonnes, can be lowered into the waterway, effectively sealing the river from the Humber, and preventing tidal surges from moving up the river and flooding parts of the city and the low lying areas beyond. The gate is lowered between eight and twelve times a year, and protects around 17,000 properties. In 2009, a £10 million upgrade of the structure was started, to ensure it would stay operational for a further 30 years. The upgrade included a new drive mechanism, which raises and lowers the gate, and pivots it when it is at the top of the structure, so that it lies horizontally rather than vertically. It also included a new control system.
by N Chadwick
Created: Fri, 5 Jun 2015, Updated: Fri, 5 Jun 2015
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- Flood Alleviation Scheme: River Hull Tidal Surge Barrier
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