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Panorama

Contractors World - Internatonal Vol 3 No 4

Scotland

Piling into the unknown

D e s p i t e b a t t l i n g a g a i n s t t h e unforgiving Scottish weather, Bachy Soletanche has started piling at the Scottish Exhibition and Conference C e n t r e ( S E C C ) i n G l a s g ow i n preparation for a new Multi-Storey Car Park.

Known to be a potentally problematc site due to the positioning over a former dock that was filled in with unknown matter during the 1950s, main contractor, SCC, Design Build Contractor, has employed the piling and ground-engineering specialists to install the piles during the seven week £750k contract.

With half of the car park site over the in-filled former dock, and with the made ground within the dock extending to 16 m below ground level, Bachy Soletanche included the removal of all obstructons in its scope of work. The CM120 piling rig initally probed the in-flled dock area to determine the extent of the unknown obstructons and verify if the ground conditons were suitable for CFA piling. Unfortunately the top few metres were too unstable to install CFA piles without using temporary casing within the top 10 m. Instead, the BG28/36 was mobilised to install Bauer casing prior to the CM120 installing the piles through it. The CFA piles within the dock were installed with 880 mm o/d Bauer Casing along with a 750 mm CFA auger, reaching to a maximum depth of 23 m, and a rock socket in the sandstone. The piles outside of the dock are CFA piles of 600 mm and 750 mm.

Chris Wallbank, Contracts Manager at Bachy Soletanche, comments:

“We knew that this project would throw up a few challenges but we have had a really positve start. The SECC car park piling certainly requires substantal technical knowledge, so we are pleased to be able to contribute our experience and expertise to the work. Despite the worst of the wet weather, we are very much on target for the seven week completon deadline.”

Click here for more informaton >>> Bachy Soletanche

Portugal

200 meter high at the Corgo Viaduct

CAET XXI , a temporary consor t ium formed by the Portuguese construction compan i e s Soa re s da Co s t a , RRC (Ramalho Rosa Cobetar) and the Spanish FCC, is presently building a viaduct over the Corgo river, in the Portuguese town of Vila Real, with the collaboration of two Linden Comansa tower cranes hired to Ibergru, Linden Comansa’s official dealer in the country. This viaduct, one of the longest and highest in Portugal, is

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