Saturday 31 March 2012

palm island construction details and video

he Palm Islands are artificial peninsulas constructed of sand dredged from the bottom of the Persian Gulf by the Belgian company Jan De Nul and the Dutch company Van Oord. The sand is sprayed by the dredging ships, which are guided by DGPS, on to the required area in a process known as rainbowing because of the arcs in the air when the sand is sprayed. The outer edge of each Palm's encircling crescent is a large rock breakwater. The breakwater of the Palm Jumeirah has over seven million tons of rock. Each rock was placed individually by a crane, signed off by a diver and

given a GPS coordinate. [citation needed] The Jan De Nul Group started working on the Palm Jebel Ali in 2002 and had finished by the end of 2006. The reclamation project for the Palm Jebel Ali includes the creation of a four-kilometre-long peninsula, protected by a 200-metre-wide, seventeen-

kilometre long circular breakwater. 210,000,000 m 3

of rock, sand and limestone were reclaimed (partly originating from the Jebel Ali Entrance Channel dredging works). There are approximately 10,000,000 cubic metres of rocks in the slope protection works.

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Main article: Palm Jumeirah

The Palm Jumeirah seen from the International Space Station.

The Palm Jumeirah ( Coordinates: 25°06′28″N

55°08′15″E ) consists of a tree trunk, a crown with 16 fronds, and a surrounding crescent island that forms an 11 kilometer-long breakwater. The island itself is 5 kilometers by 5 kilometers. It will add 78 kilometers to the Dubai coastline. The first phase of development on the Palm Jumeirah will create 4,000 residences with a combination of villas and apartments over the next 3 to 4 years.

Residents began moving into their Palm Jumeirah properties at the end of 2006, five years after land reclamation began, according to project developer Nakheel Properties. This signaled the end of phase one of construction, which includes approximately 1,400 villas on 11 of the fronds of the island and roughly 2,500 shoreline apartments in 20 buildings on the east side of the trunk.

Nakheel Properties will mark the arrival of the first residents by bringing one of the world's largest airships to Dubai. It has agreed to a deal with Airship Management Services Inc. for a 197 feet

(60 m) long, 250,000-cubic-foot (7,100 m 3 ) Skyship 600 dirigible.

According to Nakheel Properties officials, the process of adding 78 kilometers of beach is under way, while eight of the 32 hotels on The Palm Jumeirah have begun construction, including the Taj Exotica Resort and Spa, which was planned for completion in late 2008 or early 2009, is delayed and now expected to open in early 2010. The first phase Atlantis, The Palm Resort, is scheduled to be completed by December 2008. Atlantis, The Palm opened on 24 September 2008.

The "Golden Mile", the strip of land located along the center of the trunk overlooking the canal, is set for completion in the first quarter of 2008. The tenants started moving in 30 April 2009. Construction has also begun on the Palm Jumeirah Monorail, which will take three years to complete and will serve as a transit system between the Gateway Station at the trunk of The Palm Jumeirah and the Atlantis Station on the crescent. (Emirates News Agency, WAM).The Monorail opened May 6, 2009 only using Atlantis Hotel and Gateway Towers Stations

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