• Quieter Construction Methods
    Quieter Construction Methods

Some advanced quieter construction methods have been established. Performance and practicability of the equipment has been studied and approved on different construction sites in Hong Kong.

 
Hand-held Concrete Crusher

Hand-held Concrete Crusher

Hand-held concrete crusher is used for concrete breaking and can be operated by one person. Less vibration and impulsive noise along the structure would be generated by hand-held concrete crusher than jackhammer. The sound pressure level at 7m from the working site is less than 70dB(A).


 

Courtesy of Modern Concrete Drill Cut Co., Ltd.

Sound pressure level in dB(A) at 7m from equipment 67-69dB(A)