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BRIDGE RENOVATION

Job report Kelly drilling using the LIPOS positioning system

The railway bridge in Koblenz (CH) was renovated

The renovation of the 130-year-old pillars was carried out with four piles each. The piles have a diameter of 1500 mm and a depth between 12 and 20 metres.

Jobsite video

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Using GPS for positioning

The 115-tonne drilling rig worked from a pontoon using the Kelly drilling method. Here LIPOS was imperative for precise positioning of the drilling points.

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"We are using GPS for positioning. That works perfectly even though we are under a bridge and close to electric lines. We have never had any interference with the signals and could always work. It’s a mega support for positioning the piles in the water."

Patrick Fuchs

Site Manager, Birchmeier Bau AG

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