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A recent study has established some of the most advanced construction equipment. Performance and praticability of the equipment has been studied and approved on different construction sites in Hong Kong.

The data show that the sound pressure level of noise generated using quieter equipment and methods is significantly lower than that of using traditional equipment and methods

High Pressure Water Jetting

High pressure water jetting is a concrete removal technique mainly to remove deteriorated concrete, and tiles. Different from jackhammers and drill hammers, high pressure water jetting does not produce structural impact, and hence, less structure borne noise transmission, less damage to the building structure and less noise emission. It can be applied inside inhabited building.

 

Courtesy of Buildtech Enterprise Limited

Sound pressure level in dB(A) at 7m from equipment 79dB(A)