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Table containing Acceptable Noise Levels (ANLs) in dB(A) of the Technical Memorandum is reproduced as follows : The values in the above table apply to airborne noise. In case of noise transmitted primarily through the structural elements of a building or buildings, the appropriate ANL is 10 dB(A) less than the values shown in the table.
The appropriate Acceptable Noise Level (ANL) for a particular Noise Sensitive Receiver (NSR) is dependent upon the character of the area within which the NSR is located, and the time of day under consideration.
(c) Peak Action Level - a peak sound pressure level of 140 dB or peak sound pressure of 200 Pa. 2.2 Generally, a daily personal noise exposure can be regarded as the total exposure throughout the working day, taking into account the average noise levels in the
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It should be noted that there is no requirement for industry in general to achieve the Acceptable Noise Levels (ANL) immediately, but to bring the noise level to or below the ANL by the date specified on the Noise Abatement Notice.
designated area ( 指定範圍) means an area established under section 8A; (Added 2 of 1994 s. 2) domestic premises ( 住用處所) means—侵擾者警報系統(intruder alarm system) 就第13A 及13B條而言,指一個藉發出由侵擾者觸發的可聽信號以作有侵擾者的警告的警報系統; ( 由1996 年第61 號第2 條增補 ...
Statutory Control over Noise. Noise generated from electrical & mechanical systems in commercial and industrial premises is controlled under the Noise Control Ordinance (Cap. 400) by means of a Noise Abatement Notice mechanism.
Construction and renovation noise in a compact city like Hong Kong can be a significant problem. On this page you can learn about how the Environmental Protection Department is managing construction noise, the roles of construction noise permits and noise emission labels, a code of good practice to which the Department is encouraging adherence ...
