Height of noise reduction screen at construction site car wash

It must be less than 1.8 meters.

Article 13 The construction unit shall set up continuous and closed enclosures around the construction site. The setting of the fence at the construction site should meet the following requirements:

(1) The fence should be made of hard materials such as color steel profiled plates. A 30cm high and 24cm thick brick wall guard should be set below the enclosure as a boundary to prevent silt and sewage from overflowing the enclosure and flowing out. The fence must be stable, safe, clean and beautiful, painted with natural colors and other paints and patterns that are in harmony with the surrounding environment. The surface must have slogans promoting the industry's safe and civilized construction regulations or corporate spirit and culture.

(2) The height of construction site enclosures on both sides of main roads, airports, stations and squares in urban planning areas shall not be less than 2.5 meters, and in other areas shall not be less than 1.8 meters.

(3) Construction sites that are less than 5 meters away from buildings such as schools, hospitals, and residences should be equipped with noise reduction enclosures.