Discover the winner job of the Diamond Award 2016
24/05/2016
Last 17th of April, the International Association of Concrete Drillers and Sawers, IACDS, celebrated the ceremony of the Diamond Award 2016, where the job “Pendulum drilling for monitoring the Emosson dam” of DIAMANTBOHR GROUP, was the winner.
The DIAMANTBOHR GROUP was instructed by ARGE Emosson to undertake two pendulum drilling projects for the dam monitoring system.
The bore holes were required to have a depth of 28 metres and to be drilled with a diameter of 160 millimetres. The specified tolerance was a maximum deviation of 2 cm in the X and Y axes. At a bore depth of 28 metres, this is equivalent to a deviation of less than one millimetre per metre of the bore hole.
Subsequently, a chrome steel pipe was cast into the bore hole. This would later be used to hold the measuring device.
The DIAMANTBOHR GROUP developed and applied three innovative and extremely accurate solutions for the execution of this contract, located at an elevation of almost 2,000 metres above sea level. These provide the best possible advertisement for the business itself, and for the drilling and cutting sector as a whole.
Highly qualified employees and motivated senior executives worked to realise two 28 metre deep core drillings with a diameter of 160mm, with a deviation of just 15mm. This is an absolutely first class achievement with regard to both drilling technology and precision.
DIAMANTBOHR GROUP controlled and logged its own drilling operation using the cost‐effective reverse pendulum system. The staff therefore knew the position of the drilling axis at all times, and could check whether any directional corrections were required.
A locating structure designed and built in‐house was used to insert and install the freely‐hanging chrome steel pipe precisely vertically into the bore hole.
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