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Cliff stabilisation for long reach JCB

Digger Blogger | 08:04, Sun June 01 2014

This JCB JS260 LC excavator with a long reach boom and dipper configuration is at work on a complex ground engineering project in St Helier, Jersey, stabilising an old quarry face.

Chesterfield-based Can Geotechnical specialises in solutions for failing rock faces, soil slopes and retaining walls. It specified this machine for its 18.3-metre reach and maximum capacity at the end of the dipper of 830kg.

Supplied by dealer TC Harrison JCB, it has been modified with high capacity auxiliary piping to power Can Geotechnical’s range of specialist drill rigs. It also has safety isolation switches to disable all machine operations while drilling. The excavator is also fitted with extra-wide 800mm tracks for added stability at full reach.

The machine was immediately put to work alongside an existing JCB JS220 LC crawler excavator in St Helier. The work requires the stabilisation of an old quarry face which has collapsed several times over the last 10 years along with the stabilisation of adjacent land behind three apartment blocks.

Over the course of the project, more than 17,000 cubic metres of rock and soil is being excavated from the slope. The JS260 LC will run for more than 2,000 hours on the drilling element of the project. Set up on the crest of the slope, it reaches down to drill soil nails and rock bolts into the slope face below.

 

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Can Geotechnical director Richard Nicholson says: “The JCB long reach excavator has enabled us to think differently about how we approach the pricing of new work. It will allow us to be more competitive as it improves our on-site efficiency – saving us money in the process. 

“Without it we would have had to phase the works in a far less efficient and more costly way. It provides us with the perfect balance of reach and usability for our applications. Transport of this machine is not prohibitively expensive thanks to its modest size and weight but it is capable of far more than any other standard spec machine of equivalent size. We will use it extensively over the coming years for other soil nailing and bolting projects on highways, railways and construction sites across the UK.”

 

 

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