HJ 619-2011Technical guidelines for environmental impact assessment. Constructional project of coal development (English PDF)

5.1 Environmental Factors and Evaluation Factors

Environmental impact assessment can select the sensitivity factors and environmental impact assessment factors based on characteristics of the project and the surrounding environment.

5.2 Standard of Evaluation

Standard 5.2.1 should be performed to evaluate the implementation of the relevant environmental elements according to the environmental function area construction projects required by the State or local environmental quality standards and pollutant discharge standards.

5.2.2 When the construction project evaluation factor is no state or local environmental quality standards and pollutant discharge standards by the national or local loop After the written consent of the administrative department of environmental protection, you may refer to the relevant standards abroad.

5.3 Assessment Grade

5.3.1 atmosphere, surface water environment, acoustic environment, ecological impact and environmental risk assessment rating Respectively, in accordance HJ 2.2, HJ/T 2.3, HJ 2.4, HJ 19, HJ/T 169 provisions, determined the atmosphere, surface water ring Environment, acoustic environment, ecological impact, evaluation of environmental risk rating.

5.3.2 Groundwater level environmental assessment

Preliminary evaluation of groundwater level is determined in accordance with the requirements of HJ 610 based coal mining industry on groundwater environmental Movies Sound characteristics, based on the evaluation of groundwater environmental sensitivity and hydrogeological problems in coal mining towns have no direct impact on when water and industrial water supply or potential significance of the aquifer, or comment area do not involve centralized water supply sources and other sensitive groundwater protection when protection goals, determine appropriate drop an underground coal mining project evaluation rating.

5.4 Evaluation Scope and environmentally sensitive targets

5.4.1 atmosphere, surface water environment, ground water environment, acoustic environment and environmental risk assessment scope Respectively, in accordance HJ 2.2, HJ/T 2.3, HJ 610, HJ 2.4, HJ/T 169 stipulated in the atmosphere, surface water environment, Groundwater environment, acoustic environment impact assessment of the environmental risk assessment scoping level work.

Industrial sites, road transport and air shaft site sound environmental assessment generally range plant (field) bounds 200m.

5.4.2 Ecological Impact Assessment range

Initially identified the ecological impact assessment in accordance with the scope of the requirements HJ 19, underground mining project in accordance with the scope of ground subsidence into Previous reasonably determine the scope of ecological evaluation; opencast mining projects are generally outside the field, outside the boundary dump expansion 1000-2000m as coal mining ecological assessment of the scope of the project.

Sensitive and environment protection objectives 5.4.3 by environmental factors or environmental impacts of the production and living facilities, were described by the sensitive coal exploitation and environmental impact Conservation objectives; to determine the sensitivity and environmental protection goals, with graphs, charts indicate the relative position of the construction project, the distance, Characteristics and protection requirements.

5.4.4 Brief

Attached to protect environmentally sensitive targets (including each project along the perimeter and linear) and the scope of the evaluation factors related to FIG.

5.5 Evaluation period

According to the timing characteristics of the coal mining project, the general coal mining project is divided into construction and operation periods; when the remaining the service life of less than five years, should be carried out evaluation of environmental impact of mine closure.

According to China's coal mining project run length of service characteristics should be carried out in stages after timely environmental impact assessments.

6.1.1 Engineering analysis

a) engineering analysis to design documents as the basis;

b) can be used to determine the sources of strong analogy, mass balance and discharge coefficient method; expansion (or resource integration), Technological transformation projects can be measured by.

6.1.2 Engineering analysis

Project profiles, production process analysis, environmental factors engineering analysis includes content analysis of the environment to be taken Measures to protect the basic content, renovation and expansion (or resource integration), technological transformation projects including existing projects exist ENVIRONMENTAL PROTECTION Protection issues "with a new band and old" requirement.

6.1.2.1 Project Overview. including project name, the scale of construction, nature of construction, site, project components, product solutions and flows, general layout (including industrial sites vertical design and flood control) and covers an area of occupied land types, ground transportation, Labor capacity, the construction period, the main technical and economic indicators.

A project overview presentation should provide the following chart.

a) Project location and traffic patterns;

b) the total floor layout;

c) industrial site layout plan;

Composition List d) project, in accordance with the main project (including preparation plant), aided engineering, public works, transportation engineering division Column engineering content and the main technical indicators; expansion and technological transformation projects should provide comparative list of project components and indicate items Project implementation relies on the relationship between the front and rear of the sub-projects.

e) Main economic indicators project.

6.1.2.2 The main content of coal resources and production process analysis are.

a) coal resource occurrence conditions. Including Wells (mine) field level, reserves of coal and coal quality, coal bed methane, coal dust, coal Spontaneous combustion characteristics, content and other harmful elements;

b) development plan and production process. Mine includes underground mining development plan, mining technology, the level of division, Mining Division Points and the continuity plan, mining method, and the number of the first mining area Face Face parameters, underground transport, ventilation, drainage Systems, gas drainage systems;

Opencast mining division includes mining and mining area order, mining technology and mining methods, mine stripping ratio and schedule, stripping Material from the abandoned plan, Water - prevention programs;

c) Surface Production System. Underground mining mine including main and auxiliary, air shaft production systems, Reject system, the production of coal preparation plant Systems and processes, coal storage and handling system, coal stacking field siting.

Surface mining including coal crushing systems, production systems and processes coal preparation plant, coal storage and transportation systems, general layout, Outer dump industrial sites and siting;

d) to the drainage system. Including project sub-classification of water, displacement, design documents submitted water and drainage schemes, Sewage and wastewater treatment programs;

e) power supply and heating. Including project electricity load, power supply source; boiler type and quantity of heat load, fuel type and consumption;

Coal f) design documents submitted were associated with resource utilization project technical features (product, size, technical indicators Etc.), location and timing of construction;

g) coal resources and production process analysis should provide the following chart.

Wells (mine) field state diagram; stratigraphic integrated histogram (table); Coal Seam feature table; Mining Coal Quality Characteristics table;

Ida plane and open up cross-sectional view; mining area (extent) Mining succeed sequence table; the mining area and mining division sequence diagram;

The main technical indicators each table Opencast mining area; Opencast mining schedule and the release schedule was abandoned row; projects located mainly Preparation of technical features list; surface production process flow diagram; Coal production flow chart and MPS; ancillary roads, the main railway line technical features list; project production, domestic water and drainage water table; project water balance diagram (table).

6.1.2.3 The main content of the environmental impact factors

a) Ecological Impact Factors Description of the construction period, operation of the main ecological factors, including tying up land, mining subsidence and surface excavation damage.

b) environmental impact factors According to the construction period, operation period illustrate environmental factors.

The main sources of pollution and contaminants analysis should include generating source water, waste gas, solid waste, noise, emissions manner, waste Gas discharge port parameters, emissions and waste water discharge destination, etc., the number of major pollutants concentration (strength).

Expansion, technological transformation projects should also make clear the original sources and pollutant emissions, current environmental problems, After the implementation of the project changes and other sources and pollutants.

6.1.2.4 Environmental protection measures to be taken

A brief description to be taken to control pollution, ecological restoration and Subsidence Control Measures.

Environmental factors to be taken and environmental protection measures of the chart should include.

Induced pollution link schematic (can be combined with surface production process flow diagram); renovation and expansion, technological transformation projects "with a new band and old" Pollution and emission of pollutants summary;; a list of measures to renovation and expansion, technological transformation projects comparison list pollutant emissions table.

Investigation and Evaluation 6.2 regional natural, socio-economic situation and environmental quality before

6.2.1 Environmental Principles and Methods of Investigation

6.2.1.1 should follow the Environmental Investigation of realistic, comprehensive and systematic, focused, time domain features significant principle.

Situation 6.2.1.2 Environmental Assessment scope of the investigation should be consistent with the scope of various environmental factors.

Investigation 6.2.1.3 Environmental Status commonly used to collect data, field surveys and state of the environment monitoring method, remote sensing image interpretation method, Several methods can be used in combination.

Remote sensing image interpretation methods, remote sensing satellite images to obtain a representative period shall be within the meaning of the season the past three years, and Fig.

Member of the general spatial resolution of not less than 15m.

6.2.2 Regional Nature and Socio-Economic Survey

6.2.2.1 Traffic Survey Location. Location of construction projects, under the administrative division, geographical coordinates.

6.2.2.2 Natural Environment Survey include.

a) topography. Project construction area of terrain features.

b) Geology and Mineral Resources. Before the formation, geological structure, proven or exploitation of mineral resources. May Construction Geological disasters and the underlying factors that affect the project, such as the mined-out area, avalanches, landslides and debris flows.

c) climate and weather. Construction projects where the main climatic characteristics of the region, meteorological parameters.

d) surface water hydrologic characteristics. Hydrological Characteristics Area project is mainly surface water, water system owned division of water environment Function zoning, water quality and water use, this water project, the relationship between the position and the drain region River. It should be attached to Surface Water Department of FIG.

e) geological characteristics of groundwater hydrology. Based on coal geological exploration report outlining the scope of the evaluation includes mainly impermeable layer Characteristics and groundwater recharge, runoff, drainage conditions, etc., a clear evaluation of the position of centralized water supply sources within the range, there is significant water supply Aquifer and potential significance of aquifer water. Hydrogeological conditions survey should use water hydrogeological evaluation areas have been carried out Exploration results, an evaluation if necessary complement hydrogeological investigation.

f) land use and soil erosion before. The main soil type in your area construction projects, land use; water Situation and soil erosion.

g) ecological function areas. Description and ecological function zoning district where the project area characteristics, protection and construction requirements content. Ecologically fragile areas should explain the vegetation change, desertification,, land productivity in mining may lead to birth State environmental changes.

h) animal and plant resources. The main animal and plant resources Area project, Rare and Endangered Species of Wild Fauna basic situation.

6.2.2.3 Socio-economic Survey

a) Socio-economic survey for the construction project the county (city), township (town) levels.

b) Administrative division Survey Project area, population and income. A list is given within the scope of the evaluation the number of villages, the number of households and population, villagers source of income, source of drinking water situation.

c) survey the area of education, culture, health care, telecommunications, municipal sanitation and other infrastructure situation.

Type d) survey of industrial areas, industrial structure, industrial output and so on.

e) the type of survey the area of agriculture, product mix, gross output value of agriculture, irrigation and the like.

6.2.3 Environmental Quality

6.2.3.1 Survey

Including ambient air, surface water environment, ground water environment, acoustic environment and ecology.

Situation 6.2.3.2 Environmental Assessment Utilization of environmental quality monitoring or recent routine environmental monitoring data of environmental quality evaluation.

Environmental Quality Monitoring shall comply...