This standard applies to noise generated at construction sites during urban building construction. GB 12523-1990 Noise limits at construction site boundaries GB12523-1990 Standard download and decompression password: www.bzxz.net

National standards of the People's Republic of China
Noise limits for construction siteGB12523—90
In order to implement the "Environmental Protection Law of the People's Republic of China" and the "Environmental Protection Law of the People's Republic of China" Noise Pollution Prevention and Control Regulations. This standard is specially formulated to control urban environmental noise pollution.
1 Scope of application
This standard applies to the noise generated at the construction site during urban building construction. 2Standard value
2.1 The operating noise limits at different construction stages are listed in the table below. Equivalent sound level [dB(A)]
Construction stagebzxz.net
Earthwork
Thresholding
Structure
Decoration
Main noise sources
Bulldozers, excavators, loaders, etc.
Various sill machines, etc.
Concrete Mixers, vibrating rods, electric saws and other cranes, lifts, etc.
between
75
8.5
70
65
2.2| |tt||The noise values ??listed in the table refer to the limit values ??at the boundary line of the construction site corresponding to the sensitive area. 2.3
If several construction stages are carried out at the same time, the limit value for the high-noise stage is allow. Monitoring method
3
Noise limit
Night
55
Prohibited
55
55|| tt||The equivalent sound level measurement at the boundary line of the construction site in this standard should be carried out in accordance with GB12524 "Measurement Method of Noise at the Boundary of Construction Sites".
Additional notes:
This standard is proposed by the National Environmental Protection Administration. The main drafters of this standard are Ren Wentang, He Qingci, Meng Xu, Li, and You Pengju. This standard is interpreted by the State Environmental Protection Administration. Approved by the State Environmental Protection Administration on November 9, 1990 and implemented on March 01, 1991
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.