Noise standard for central control room

The noise standard of the central control room shall not exceed 50 decibels.

Different regions have different restrictions on noise pollution. The noise of sanatoriums, pure residential areas and office areas shall not exceed 50 decibels during the day and 40 decibels at night. The noise of production and operation enterprises shall not exceed 85 decibels; Relevant countries in other regions can refer to GB 12348-2008.

The first-level area is 55 decibels during the day and no more than 45 decibels at night. The second-class area is 60 decibels during the day and not more than 50 decibels at night. Class III area is 65 decibels during the day and no more than 55 decibels at night. Another concept refers to the influence of noise such as equipment in business premises on operators. The national labor hygiene standard is 85 decibels.

Related knowledge:

1, noise prevention measures should be taken in the plane layout and building structure of the house. The allowable noise level of bedroom and living room is 50dB(A sound level) during the day and 40dB(A sound level) when the windows are closed at night.

2. The weighted standardized impact sound pressure level of the floor should not be greater than 75dB.

3. Structural measures should be taken to improve the impact sound insulation performance of the floor.

4. The sound insulation capacity of air sound should be not less than 40dB, separating residential space from non-residential space. The floor should not be less than 55dB, the indoor wall should not be less than 40dB, the external wall should not be less than 30dB and the door should not be less than 25dB.

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