Tunneling and pipe installation for underground utilities involve the use of various mechanical equipment. Quality Powered Mechanical Equipment (QPME) such as excavator, generator and mobile crane which emitted relatively less noise compared with non- QPME are widely available in the territory. Moreover, the employment of some quieter construction methods such as top-down construction method or pipe jacking can also reduce the construction noise generation.
Noise reduction for some mitigation measures for reference.
Mitigation Measures
Use of acoustic enclosure for stationary plant can achieve a noise reduction up to 20dB(A) easily.
An effective way of reducing noise is to install a purpose-built barrier between the noisy equipment and the noise sensitive receiver.