Pillar Oosterschelde

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The Oosterscheldekering (in English: Eastern Scheldt storm surge barrier), between the islands Schouwen-Duiveland and Noord-Beveland, is the largest of the 13 ambitious Delta works series of dams, designed to protect the Netherlands from flooding. The nine kilometre-long Oosterscheldekering (kering meaning barrier) was initially designed, and partly built, as a closed dam, but after public protest huge sluice-gate-type doors were installed in the remaining four kilometres. These doors are normally open, but can be closed under adverse weather conditions. In this way the saltwater marine life behind the dam is preserved and fishing can continue, while the land behind the dam is safe from the water. The Oosterscheldekering was the biggest, most difficult to build and most expensive part of the Delta works. Work on the dam itself started in April 1976 and was completed in June 1986, though the road over the dam was completed only in November 1987. To facilitate the building, an artificial island Neeltje-Jans was created in the middle of the estuary. When the construction was finished, the island was rebuilt to be used as educative centre for visitors and as a base for maintenance works. The dam is based on 65 concrete pillars with 62 steel doors, each 42 metres wide. The parts were constructed in a dry dock. The area was then flooded and a small fleet of special construction ships lifted the pillars and placed them in their final positions. Each pillar is between 35 and 38.75 metres high and weighs 18000 tonnes. Location: see Google Maps link: http://maps.google.com/maps?ll=51.631279,3.701706&spn=0.105228,0.201530&t=k&hl=en