Description
No other flood barrier in the world has larger moveable parts than the Maeslant Barrier. This part of the Delta Works can withstand a storm tide of 5 m above NAP.
The Maeslant Barrier is located in the Nieuwe Waterweg near Hook of Holland and was built between 1991 and 1997. The structure is operated entirely automatically and, together with the Hartel Barrier and the expanded Rozenburg dyke, forms the Europoort Barrier. The Maeslant Barrier is a forward flood surge barrier, which means that it receives the full brunt of flooding from the sea and so protects the residents of the province of Zuid-Holland.
Facts and figures Maeslant Barrier
210 m
is the width of each door of the Maeslant storm surge barrier
The Maeslant Barrier:
was closed for the first time in 2007;
has 2 doors, each 210 m wide, 22 m high and 15 m deep. When the barrier closes, they fill with water and sink to the bottom within 2 hours;
operates with ball-and-socket joints, each of which is 10 m in diameter and weighs 680 tonnes.
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