Traditional Culture Encyclopedia - Weather inquiry - Tongji bridge announcement
Tongji bridge announcement
The construction of this project will connect Huayang and Shuangliu, which will greatly facilitate residents' travel and reduce the impact of traffic obstacles. The construction of the project is the need to promote the development of regional transportation facilities and improve people's living standards, and it is also the need to change the mode of regional economic growth and promote employment. The implementation of this project is of great significance to improve the road network structure, accelerate the construction of the planning area and enhance the regional competitiveness. It can not only promote the development of Tianfu New District, improve the quality and level of people's life, but also enhance the land value of this area, and make the economy of this area develop stably, healthily, rapidly and sustainably.
2, the main environmental impact
Eco-environmental impact:
The project is located in the urban area of Huayang Town, and the main vegetation is the artificially planted green belt. This project does not involve rare and protected terrestrial animals, nor does it involve the distribution of fish feeding grounds, wintering grounds and spawning grounds. The loss of vegetation and animals caused by the project construction is small. The greening project will compensate the ecological impact during the operation period, so this project will not have much impact on the ecological environment.
Acoustic environmental impact
This project is a newly-built project, and the background noise of the proposed project area is good, which can meet the corresponding standard limits in the Quality Standard for Acoustic Environment (GB3096-2008). Highway construction in the daytime and at night will cause certain interference to the normal life, study and rest of the above-mentioned residential areas. Although the impact is not great, it should be strictly controlled according to the preventive measures proposed in the report to prevent disturbing people from interfering with teaching. During the operation period of the project, the noise prediction value of sensitive points has increased compared with the current value.
Environmental impact of surface water:
During the construction period, the water pollution sources of this project are construction wastewater and domestic sewage generated by personnel in the construction camp. During the operation period, the water pollution source of this project is the rainwater runoff on the bridge deck.
Atmospheric environmental impact:
The main air pollution during construction is asphalt smoke, construction dust and dust; The main pollutants during the operation period are automobile exhaust and dust.
Solid waste:
During the construction period, solid waste mainly comes from waste soil, waste rock and slag generated in the process of bridge construction, which are uniformly piled up and dumped to the designated waste site. At the same time, according to the requirements of soil and water conservation, woven soil bags are used around waste soil and waste rocks to prevent the exposed surface soil and rain erosion. There is basically no solid waste discharge during the operation period of the project.
3. Environmental protection measures during the construction period
(1) Ecological environment protection measures
Construction machinery noise has certain interference and damage to aquatic animals and amphibians. This project does not involve terrestrial rare protected animals and aquatic protected species, nor does it involve the distribution of fish feeding grounds, wintering grounds and spawning grounds, which will not cause changes in biodiversity and have little impact on the ecological environment. During the construction period, strengthen the management of domestic sewage discharge of construction personnel to reduce water pollution; Do a good job in ecological restoration after the completion of the project, and minimize the adverse effects of vegetation destruction and soil erosion on animals.
(2) Water environmental protection measures
All kinds of construction wastewater are strictly prohibited to be directly discharged into natural receiving water bodies; During the bridge construction, the construction camp should be more than 200 meters away from the river bank. For the construction site with a small amount of sewage and far away from the existing residential areas, septic tanks can be set up for collection and treatment, which will be used as agricultural fertilizer after treatment and will not be discharged.
The construction unit's construction camp should rent local houses as much as possible. If it is not rented, the construction camp should be far away from sensitive points such as towns and residential areas, and located 200 meters away from the downwind of its perennial dominant wind direction. The construction camp should be arranged within the scope of permanent land acquisition as far as possible. Interception ditches are set around the newly-built construction camp to collect construction wastewater, which is discharged into septic tanks after being treated by the oil separation sedimentation tank, and the waste oil collected by the oil separation sedimentation tank is delivered to professional units for regular transportation and treatment.
(3) Noise protection measures
Try to use low-noise machinery. The noise of construction machinery and equipment used in engineering construction under normal working conditions should be measured in advance, and machinery exceeding national standards is prohibited from entering the construction site. In the process of construction, the equipment should be maintained frequently to avoid noise enhancement caused by poor equipment performance.
The construction site, material storage yard and material preparation yard are far away from environmental protection targets, and the distance from surrounding residential areas should be greater than 100m. In the road section where the village residents are concentrated within a short distance of the route, the construction work will stop at night (22: 00 ~ 6: 00), when the machinery (loaders, vibrators, etc. ) It's very noisy. If it is really necessary to construct at night, it must be reported to the Tianfu New District People's Government for approval and announced to local residents before implementation.
Reasonable arrangement of construction activities, as far as possible to shorten the construction period, reduce the time affected by construction noise. Avoid using noisy construction machinery in the same area at the same time.
According to the labor hygiene standards, in order to protect the physical and mental health of construction workers, the construction unit should arrange the workers reasonably, so that the road construction machinery can work in turns, or alternately arrange high-noise and low-noise operations to give the workers time to recover their hearing. At the same time, we should pay attention to the protection of machinery, reasonable operation, and try to keep road construction machinery at a low level. Workers should wear earmuffs and helmets when operating.
(4) Atmospheric protection measures
Construction access roads and unpaved roads must be watered frequently to reduce dust pollution; The construction contractor of this project needs to bring their own sprinklers, and the roads along the construction access road and in and out of the storage yard often sprinkle water (mainly in summer and autumn when the weather is dry), and the number of sprinklers is determined according to the specific situation; All asphalt concrete adopts commercial asphalt concrete; The project should use the mixing station as much as possible, and no new mixing station is allowed. The requirements of environmental protection, dust removal and noise reduction should be clearly defined in the procurement contract, and the mixing station should be urged to do a good job in environmental protection; Vehicles transporting materials should be covered with hedge mats to avoid scattering.
(5) solid waste protection measures
The waste slag produced during the construction period shall be used as the filler of the connecting line project constructed in the same period as this project, and shall not be piled up at will, and shall not be thrown into the river. During the construction of bridge foundation, a sedimentation tank should be set up to precipitate mud, and the mud should not be directly discharged into the river. The supernatant after precipitation should be reused, and the remaining waste residue should be comprehensively utilized together with the bridge drilling residue. According to the relevant contents of the Law on the Prevention and Control of Environmental Pollution by Solid Waste in People's Republic of China (PRC), it is suggested that a small temporary garbage dump should be established around the construction camp during the construction period, and special attention should be paid to the maintenance and management of the temporary garbage dump, and fungicides should be sprayed on the garbage dump regularly to reduce the breeding of mosquitoes and germs; The solid wastes produced in the construction site are mainly redundant road building materials, which are piled up in the shed or in the open air, disorderly and out of harmony with the surrounding environment, resulting in visual pollution. If lime or cement seeps into the ground with water, the soil will harden and the pH value will rise. In order to reduce and eliminate the impact of the above-mentioned solid wastes on the environment, we must first strictly control and minimize the remaining materials according to the plan and construction operation procedures. Once the surplus materials appear, they should be stored in an orderly manner and properly kept for repairing the surrounding rural roads or buildings and reducing their impact on the environment.
4. Environmental protection measures during operation period
(1) social environmental protection measures
Before the end of construction and operation, complete the construction of all kinds of passages, the connection with related roads and the setting of safety signs; Regularly maintain all kinds of channels to ensure their normal passage; Solid wastes such as waste residue generated by maintenance and removal should be removed in time and sent to urban landfill for landfill treatment; Strengthen traffic safety management and reduce traffic accidents.
(2) Ecological environment protection measures
Strengthen management to ensure normal operation; Strengthen the supervision of solid waste pollution control along the highway. In addition to strengthening the publicity and education of drivers and passengers, the solid waste along the way should be contracted according to the road sections and cleaned up every day. Highway management and maintenance departments should strengthen management, publicity and education, and ensure that highway green forest belts are not damaged.
(3) Noise control measures
Strict examination and approval of new houses on both sides of the bridge. It is suggested that sensitive buildings such as residential areas, schools, hospitals and nursing homes directly facing the bridge should not be planned in the first row of roads within the range of 1 10m (94m away from the bridge). Road planning on both sides is mainly based on greening or industry, factories, mines and commercial buildings. Take measures to install sound barriers for sensitive points that exceed the standard.
(4) Suggestions on environmental air protection measures
Strengthen traffic management, strict vehicle management system, strictly implement the national motor vehicle emission limit standards, and restrict vehicles with excessive exhaust gas and vehicles loaded with bulk materials without covering measures from driving on the road; Strengthen road maintenance and cleaning, maintain good road conditions, ensure that cars run under good road conditions, and reduce dust and automobile exhaust pollution; Plant more trees and grass on both sides of the bridge and under it, especially near sensitive points. This can not only purify and absorb pollutants in automobile exhaust, but also beautify the environment and improve the landscape along the road; Strengthen the maintenance of greening along the road, and maintain the environmental impact assessment of greening function on the project. If you have any comments and suggestions within 10 working days after the announcement is issued, please consult the preparation unit and the construction owner and revise and improve them in time. If you have any comments and suggestions during or after the construction, you can also put them forward to us.
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