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Pump room and associated pipings
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Vibration from pumps and pipings may cause noise to be transmitted through the building structure.
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proper isolation helps to minimise the structure-borne noise |
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noise caused by water rushing into the water tank may be minimised by installing appropriate pressure reducing valve |
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regular preventive maintenance can avoid noise caused by defective parts |
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employ acoustic consultant/contractor to handle complicated case |
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| b. |
Lift plant room
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Excessive noise may be emanated from defective parts such as bearings.
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regular preventive maintenance can avoid noise caused by defective parts |
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Machine vibration may cause noise to be transmitted through the building structure.
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proper isolation helps to minimise the structure-borne noise |
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employ acoustic consultant / contractor to handle complicated case |
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| c. |
Ventilating systems (chillers, water cooling towers, exhaust fans, etc.)
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avoid placing the plant close to residential units in order to minimise noise disturbance |
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preventive maintenance to avoid noise from defective parts |
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air-borne noise may be abated by means of noise barriers, enclosures and/or silencers |
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structural-borne noise may be abated by proper vibration isolation |
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employ acoustic consultant/contractor to handle complicated case |
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| d. |
Emergency generators
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Noise from the regular testing of emergency generators may cause noise disturbance to nearby residents.
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proper noise abatement measures should be applied to the generators |
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Under the Air Pollution Control (Furnaces, Ovens and Chimneys) (Installation and Alteration) Regulations, prior approval from the Director of Environmental Protection must be obtained before installing any emergency generators with nominal fuel consumption exceeding 25 litres per hour of liquid fuel or 1,150 megajoules per hour of gaseous fuel.
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regular testing of generators should be conducted in accordance with the testing hours stated in the approval plan in order to minimise the chance of creating air pollution nuisance to people in the vicinity |
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Penalty for failure to comply with the Air Pollution Control (Furnaces, Ovens and Chimneys) (Installation and Alteration) Regulations
- Maximum fine HK$50,000.
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| e. |
Refuse collection/goods loading and unloading
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these activities should not be carried out in late evening or early morning hours to avoid causing noise nuisance
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| f. |
Refuse chutes
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Excessive impact noise may be generated when refuse from high floors bumps on bends of the refuse chute.
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noise may be reduced by fixing a rubber pad or similar material at the bends |
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| g. |
Carparks
In order to avoid any air pollution problem, adequate ventilation should be provided inside the car park and the exhaust outlets should not be located close to any openable windows or fresh air intakes of the building.
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