1. For the operation surface, decoration and transportation process which are easy to produce dust, formulate operation rules and dust suppression system by sprinkling water properly in dry season and windy weather to maintain humidity. 2. Organize the construction reasonably, optimize the site layout, and avoid sensitive points and time periods in the operation and transportation that produce dust. 3. It is strictly prohibited to burn any wastes and substances that will produce toxic and harmful gases, smoke and odor at the construction site. For toxic substances, such as molten asphalt, closed equipment with flue gas treatment device should be used. 4. Granular bulk materials that are easy to fly, such as cement, should be stored in stock as far as possible, and the yards and open-air yards of bulk materials should be tamped and covered. 5. Select qualified transportation units to ensure that the transportation process is not scattered. 6. There is a car wash tank at the door, and the wheels will be washed when the vehicle comes out. When the wheels leave the construction site, they are not allowed to take dirt on the road. 7, the construction site before construction to do a good job in the planning and layout of construction roads, temporary construction road base to consolidate, pavement to harden. Water pollution: 1. Complete the construction of on-site drainage and wastewater treatment facilities before the project starts, ensure the effectiveness of on-site drainage and wastewater treatment facilities in the whole construction process, and ensure that there is no water accumulation, drainage overflow, blockage and water quality up to standard. 2. Set up a sedimentation tank at the backfill site and the place where mud water is produced. The size of the sedimentation tank should be determined according to the displacement and the required sedimentation time. Effective drainage measures will be set during construction in rainy season. 3. According to the construction practice, combined with the characteristics of rainfall in Guangzhou, the rainy season, especially the rainstorm period, is formulated to avoid unorganized discharge and overflow of wastewater. The drainage emergency response work plan for pollution accidents such as urban sewer blockage shall be implemented when necessary. 4. A special paint oil depot shall be set up on the construction site, and the ground wall of the depot shall be treated for leakage prevention, and the special person shall be responsible for its storage, use and confidentiality, so as to prevent oil from leaking, dripping and leaking to pollute soil and water. Solid waste: 1. In the process of construction, it is necessary to formulate the treatment and disposal scheme of mud and construction waste according to the actual situation on site, select qualified transportation units according to the requirements of laws and regulations, remove the residual soil and mud residue of construction waste in time, establish a registration system to prevent dumping in the middle and ensure that it is not scattered during transportation. 2. Choose the export with little impact on the external environment, and the route with shorter transportation route and shorter transportation time. 3, to ensure the quality of backfill soil, toxic and harmful substances and other site waste, garbage shall not be used for backfill. 4. There is no waste mortar and concrete on the construction site, and the ground materials of transportation roads and operation surfaces should be used in time. Measures should be taken to prevent mortar and concrete from scattering during transshipment. 5, education construction personnel to form good health habits, don't litter, sundry, keep the working and living environment clean and tidy. 6, it is forbidden to dump garbage, disorderly discharge or used for backfilling. Garbage stations should be set up on the construction site, and all kinds of domestic garbage should be collected according to regulations, and cleaned up and transported by the sanitation department in time. Generally, it is required to clean each shift and remove it daily.
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