Case: I'll give you a case of a wharf project. If you have any questions, please make more comments and suggestions. A certain place plans to build a mixed wharf offshore, with 3 oil berths, 2 coal berths and 3 bulk berths. The current situation of the sea area where the wharf is located is dominated by aquaculture. The proposed project covers an area of 270 hectares and needs to be reclaimed 10 hectares. There is no demolition for land acquisition, but whether there are residents within the protection distance need to be investigated. In addition to dredging about 6 million cubic meters in the harbor basin, 600,000 cubic meters were excavated and 6,543.8+0.57 million cubic meters were filled in the land project. There is a provincial nature reserve 8 km from the wharf, and there is an island reef tourist resort in the sea area at the wharf 10 km.
Question:
1. In engineering analysis, besides the basic situation of the main project, what problems should be explained?
Auxiliary projects, ancillary projects, supporting projects, environmental protection projects or supporting projects, including land transportation roads, land storage tanks, water supply, power supply, communication, living and office buildings, sewage treatment, garbage disposal, etc.
Engineering analysis should explain the mode and process of production and operation, the production links of various pollutants, the generation and discharge of major pollutants, and the environmental protection measures to be taken.
2. What aspects should be considered in the ecological impact of the project construction?
Ecological impact needs to consider the ecological impact of land and coastal waters.
Land use pattern change, vegetation loss and soil erosion caused by land ecological impact protection project occupation and earthwork filling and excavation have adverse effects on provincial nature reserves and island reef tourist resorts with sensitive ecological protection targets around them.
The ecological impact of coastal waters is mainly the impact on marine life, including the adverse impact of pollutants such as suspended solids produced by harbor dredging, ship transportation and noise emitted by it on marine life; Environmental risk or pollution impact caused by oil spill accidents of ships transporting oil products.
3. What should we pay attention to in the investigation and evaluation of environmental status besides nature reserves and scenic spots?
Pay attention to the natural vegetation, wild animals, protected species, important communities or ecosystems in the area occupied by the project; Pay attention to the environmental function of coastal waters, the present situation of seawater quality, the present situation of marine biological resources such as marine protected animals and important economic fish, and mariculture.
4. Briefly describe the possible impacts on coastal waters during the construction period.
It is mainly the impact of reclamation construction of wharf project and dredging operation of harbor basin, including the impact of construction sewage and domestic sewage discharge during construction. Suspended matter, noise and oily sewage produced by dredging in harbor basin will have adverse effects on the water quality and marine life in coastal waters. Secondly, the impact of dust and solid waste on the sea area during the construction period.
5. Briefly analyze the environmental risk factors during the operation period.
Oil leakage and fire mainly occur on land oil tanks and oil transportation ships, which will not only cause safety accidents, but also destroy and pollute the environment, especially the marine ecological environment.
In addition, international transport ships need to pay attention to the ecological risks introduced by alien species, especially ships from abroad, whose ballast water intrudes into China's sea areas during the discharge of docks, which destroys the ecological environment of the sea areas.
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