Contractors World


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Contractors World UK & Ireland
2012 Vol 2 No 3   
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Progress on CrossRail - Page 4 of 5 >>>

The main excavations are being done using a combination of Hitachi excavators a 225 and a ZX80 supplied through Advanced Plant.

Land & Water plant hire division supplied 4 Hitachi machines for the excavation works - a Hitachi ZX670 LC with 25 m digging depth and a 3.2 m³ bucket plus 3 Hitachi ZX350LC with 22 m reach and 1.2 m³ buckets.Challenges along the way

Any contractor making deep excavations in London is always prepared for the unexpected whether it is a few bone which inevitably bring the excavations to a stop; a Roman Mosaic flooring which is even more difficult to solve and, of course, the occasional unexploded bomb that has laid buried for over 70 years or more.

Most contractors make allowances for such unexpected finds and, where investigations show something, have systems in place to cope with the inevitable delay. And CrossRail is no exception.

With piling finished on the giant caisson under construction at Limmo Peninsular, near to Canning Town, which will be the portal for another two tunnelling machines. During the excavation of the material within the caisson, CrossRail knew that there were some old workings.

Crossrail archaeologists uncovered evidence of the historic Thames Ironworks and Shipbuilding Company that closed down a century ago and a full investigation has been underway to document the industrial history of the site.    Crossrail archaeologists uncovered evidence of the historic Thames Ironworks and Shipbuilding Company that closed down a century ago and a full investigation has been underway to document the industrial history of the site.

The current ongoing works are designed to record remains of the shipyard, its engineering workshops and slipways, and relate any finds to the documented history of the site. The works will be ongoing until May 2012.

The main excavations are being done using a combination of Hitachi excavators a 225 and a ZX80 supplied through Advanced Plant.

Land & Water plant hire division supplied 4 Hitachi machines for the excavation works - a Hitachi ZX670 LC with 25 m digging depth and a 3.2 m³ bucket plus 3 Hitachi ZX350LC with 22 m reach and 1.2 m³ buckets.

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Page updated: March / April 2012

 

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