打桩作业带来的110分贝噪音有可能导致鼓膜穿孔，后果会导致失聪。
The 110-decibel level of piling risks perforation of the eardrum, which leads to hearing loss.
如须于核准时间内进行撞击式打桩工程，必须事先取得由环保署签发的建筑噪音许可证。
A valid Construction Noise permit issued by the Environmental Protection Department is required for the carrying out of percussive piling during the permitted hours.
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