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Foundation Works for Bangkok’s new Rapid Transit Line

The MRT Purple Line is a rapid transit line under construction in the Bangkok Metropol itan Area, which includes the city and fve adjacent provinces. Among other things, elevated structures and 16 stations need to be built for the 23 kilometre long main line.

Thai BAUER Co. Ltd., a local subsidiary of BAUER Spezialtefau GmbH, has been awarded by STECON, the main contractor of contract 2, to execute bored piles with diameters of 1.2 and 2.0 m as well as barrete piles (1.0 x 3.0 meters and 1.2 x 3.0 meters) for the footings of the elevated structures and statons.

A par t i cu l ar cha l l enge was posed by the limited space during the foundaton works: the bored and barrete piles have been constructed in the middle of the existing main roads and bridges – with only 4.50 meters working width in some areas – or between the front of commercial buildings and existng high voltage cables. The soil strata consisted of multple layers of marine clay, stf clay, silty sand and stf to very stf sand; pile toe was between 45 to 57 m.

In the tght schedule period three grab base carriers GB 34 and two drilling rigs BG 24 were occupied in the project.

Click here for more informaton >>> Bauer foundaton systems

South Korea

Heavy-load Liebherr tower crane for Samsung plant

Shinwoo Development is using a fleet of seven Liebherr tower cranes, including a newly purchased Liebherr 1250 HC 40 for constructing a plant for Samsung Electronics. On completon of the project the new crane will be shipped to Abu Dhabi for use in constructon of a nuclear power plant. The crane was delivered direct from Germany and will remain on the Samsung site for only fve months, afer which tme Shinwoo will ship it to Abu Dhabi for use on its contract on a power plant.

Mr Hyeon-joon Kang, the Gintex engineer who commissioned the crane and who will travel to Abu Dhabi to erect the unit there for Shinwoo, says that the crane will join another Liebherr 1250 HC 40 on the nuclear project. “Shinwoo is using the crane on two different buildings at the Samsung plant,” he says. “The contractor is on a very tight schedule and working through the night to complete on tme.

“The crane met the best combination of l ift capacity and height specifcatons for this project, given that two separate buildings within the plant site are being built with this crane.

“At the same tme the contractor was planning ahead for the power plant contract, and decided that the 1250 HC 40 was also best for that project.

Shinwoo ordered a second unit, which is being delivered direct from Europe to the UAE. At the Samsung project the crane is working at a height of 60 m, with a 50 m under-hook height.

For more informaton >>> Liebherr 1250HC 40

Page 5 Contractors World Vol 3 No 2

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