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    ELIMINATING CONCRETE DRILLING VIBRATION HAZARD

    Cutting specialist innovation avoids vibration exposure management

    Diamond drilling and concrete cutting specialists Castle and Pryor has launched Sindrilla, described as the “hands-free drilling solution that could save your workforce from Hand Arm Vibration Syndrome (HAVS)” during rotary percussion drilling.

    Rotary percussion drilling combines a rotating and percussive or ‘hammering’ action in the same drill. This method is widely used across the construction industry to anchor steel frames, drill rough sided holes into concrete and connecting concrete slabs using reinforced steel dowels.

    A major hazards arising from rotary percussion drilling is the vibration caused by the hammer action. Hand and Arm Vibration Syndrome (HAVS) is caused by excessive exposure to vibration.

     How does Sindrilla work?

    Instead of being hand-held the drill is mounted into a frame. The drill is weighted and guided by a drill mast. The drill lowers itself and a vacuum unit captures dust during the drilling.

    The drill is being used by Morgan Sindall, at London Heathrow Airport to pin shuttering to existing concrete. Andrew Swann, Morgan Sindall Aviation Project Manager, said:

    “I see the concept of this machine as an innovative solution to completely eliminate HAVS exposure to the operatives who carry out the PQ pan drilling task. On an airfield project, this task can account for anything up to around 50% of the total time of exposure to HAVS – so this will help us to significantly reduce the risk of operative exposure within a project.

    The unique design is quick and easy to manoeuvre around, meaning that a high number of holes can easily be drilled in a shift. The built in dust vacuum extraction unit also significantly reduces the exposure to and risk posed by silica dust.

    All in all, this piece of kit eliminates exposure to hazards of occupational health whilst still being efficient and effective. Hopefully, we can also apply this design and modify to suit other standard tasks to keep reducing the risk of occupational health hazards on our future projects.”

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