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Delivery: <= 6 days. True-PDF full-copy in English will be manually translated and delivered via email. HJ 24-2020: (Technical Guidelines for Environmental Impact Assessment) Status: Valid HJ 24: Historical versions
Basic dataStandard ID: HJ 24-2020 (HJ24-2020)Description (Translated English): (Technical Guidelines for Environmental Impact Assessment) Sector / Industry: Environmental Protection Industry Standard Classification of Chinese Standard: Z30 Classification of International Standard: 13.020 Word Count Estimation: 35,354 Date of Issue: 2020-12-14 Date of Implementation: 2021-03-01 Older Standard (superseded by this standard): HJ 24-2014 Regulation (derived from): Ministry of Ecology and Environment Announcement No. 64 [2020] Issuing agency(ies): Ministry of Ecology and Environment HJ 24-2020: (Technical Guidelines for Environmental Impact Assessment)---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.(Technical Guidelines for Environmental Impact Assessment) Technical Guidelines for Environmental Impact Assessment Technical guidelines for environmental impact assessment of electric power transmission and distribution National Environmental Protection Standards of the People's Republic of China Replace HJ 24-2014 release 2020-12-14 release 2021-03-01 implementation Ministry of Ecology and Environment Table of contentsForeword...ⅱ 1 Scope of application...1 2 Normative references...1 3 Terms and definitions...1 4 Basic regulations...3 5 Overview and analysis of construction projects...8 6 Investigation and Evaluation of Environmental Status...9 7 Environmental Impact Assessment during the Construction Period...11 8 Environmental Impact Assessment during Operation...12 9 Analysis and demonstration of environmental protection facilities and measures...15 10 Environmental Management and Monitoring Plan...15 11 Environmental Impact Assessment Conclusion...16 Appendix A (Normative Appendix) Special settings and compilation requirements for environmental impact reports of power transmission and transformation projects...17 Appendix B (Normative Appendix) Format and requirements of the environmental impact report form for power transmission and transformation projects...19 Appendix C (informative appendix) Calculation of spatial power frequency electric field strength under high-voltage AC overhead transmission lines...21 Appendix D (informative appendix) Calculation of spatial power frequency magnetic field strength under high-voltage AC overhead transmission lines...29 Appendix E (informative appendix) Simplified theoretical calculation procedures and calculation steps for the combined electric field strength of DC overhead transmission lines...30 Technical Guidelines for Environmental Impact Assessment1 Scope of applicationThis standard specifies the content and methods of environmental impact assessment of power transmission and transformation projects. This standard applies to AC transmission and transformation construction projects with voltage levels of 110kV and above, and DC transmission with voltage levels of ±100kV and above. Environmental impact assessment of construction projects.2 Normative referencesThe content of this standard refers to the terms in the following documents. For undated reference documents, their valid versions are applicable to this standard. GB 3096 Acoustic Environmental Quality Standard GB 8702 Electromagnetic environment control limit GB 12348 Environmental Noise Emission Standard at the Boundary of Industrial Enterprises GB 39220 HVDC project synthetic electric field limit and its monitoring method HJ 2.1 General outline of technical guidelines for environmental impact assessment of construction projects HJ 2.3 Technical Guidelines for Environmental Impact Assessment Surface Water Environment HJ 2.4 Technical Guidelines for Environmental Impact Assessment Acoustic Environment HJ 19 Technical Guidelines for Environmental Impact Assessment Ecological Impact HJ 681 Electromagnetic environment monitoring method for AC transmission and transformation engineering (trial implementation) HJ 1113 Technical requirements for environmental protection of power transmission and transformation construction projects3 Terms and definitionsThe following terms and definitions apply to this standard. 3.1 Electric power transmission and distribution construction project A construction project that transforms the characteristics of electrical energy (mainly voltage and current) and transmits it from the power supply location to the power demand location. The power transmission and transformation construction projects mentioned in this standard can be divided into AC transmission and transformation construction projects and DC transmission construction projects. Design projects include transmission lines and substations (or switch stations, series compensation stations), and DC transmission construction projects include transmission lines, converter stations and grounding 极系统. 3.2 Transmission line A facility composed of wires, insulating materials, poles and towers used to transmit electricity between two points in a power system, usually in the form of overhead transmission lines, electricity Cable lines, gas insulated metal enclosed transmission lines. 3.3 Substation A part of the power system whose function is to change the voltage level, collect and distribute electric energy, mainly including transformers, busbars, and line switch devices. Equipment required for the safety and control of equipment, buildings and power systems. 3.4 switching substation A substation with switchgear, usually including busbars, but without a main transformer. 3.5 series compensator station Power facilities that realize series compensation of power system transmission lines. A complete set of series compensation devices and related auxiliary facilities and buildings are installed in the station Objects, structures. 3.6 converter substation A transformer substation installed with an inverter and mainly used to convert AC to DC or DC to AC. Generally installed in one location One or more converters, and corresponding buildings, transformers, reactors, filters, reactive power compensation equipment, control, monitoring, protection, Composition of measuring equipment and auxiliary equipment. 3.7 earth electrode system In HVDC power transmission construction projects, special designs and constructions are designed and constructed for the purpose of realizing normal operation or fault operation with earth or seawater as the current loop. The general term for a set of devices manufactured. It is mainly composed of a ground electrode circuit, a ground electrode feeder line and a ground electrode. 3.8 Electromagnetic environment-sensitive target Objects that need to be focused on in the electromagnetic environment impact assessment and monitoring. Including residential buildings, schools, hospitals, office buildings, factories, etc. Work or study building. 3.9 power frequency electric field The electric field produced by a charge that changes periodically over time at 50 Hz. The physical quantity that measures the power frequency electric field strength is the electric field strength, and its unit is volts Special per meter (V/m), kilovolts per meter (kV/m) commonly used in engineering. 3.10 power frequency magnetic field A magnetic field generated by a current that changes periodically over time at 50 Hz. The physical quantity that measures the strength of the power frequency magnetic field can be either magnetic induction or In order to use the magnetic field strength, their units are Tesla (T) and ampere per meter (A/m). In engineering, the unit of magnetic induction intensity is usually microtex. Sla (μT). 3.11 total electric field The electric field generated by the electric field generated by the charge on the direct current charged conductor and the electric field generated by the space charge caused by the conductor corona. Metric composite electricity The physical quantity of field strength is electric field strength, and its unit is volts per meter (V/m), and kilovolts per meter (kV/m) is commonly used in engineering. 3.12 Nominal electric field The electric field generated by the charge on the DC charged conductor (not including the electric field formed by the space charge). The physical quantity measuring the nominal electric field strength is electricity Field intensity, its unit is volts per meter (V/m), and kilovolts per meter (kV/m) is commonly used in engineering. 3.13 environmental protection facilities Refers to the installations, equipment, and engineering facilities required for the prevention and control of environmental pollution and ecological damage and environmental monitoring. 3.14 environmental protection measures Refers to management or technical measures taken to protect the environment to prevent or reduce adverse effects on the environment.4 Basic regulations4.1 Working procedures The environmental impact assessment work of power transmission and transformation construction projects is generally divided into three stages. investigation and analysis and work plan stage, analysis and demonstration and prediction Evaluation stage and preparation stage of environmental impact assessment documents. Work procedures for environmental impact assessment of power transmission and transformation construction projects for preparing environmental impact reports And the main work content of each stage is shown in Figure 1.Compilation of environmental impact report forms within each stage of the environmental impact assessment of power transmission and transformation construction projects The content of the report can be simplified appropriately. 4.2 Evaluation basis 4.2.1 The environmental impact assessment of power transmission and transformation construction projects shall be based on national and local ecological environment laws and regulations, national and local ecological environment Related departmental regulations and normative documents, national and local ecological environment-related standards, industry norms, ecological environment planning materials, construction projects Information and other related information. 4.2.2 Ecological environmental laws and regulations, mainly including the ecological environment, environmental impact assessment, pollution prevention and control promulgated by the country, industry, and locality And other relevant laws and regulations. 4.2.3 Regulations and normative documents of the ecological environment department, mainly including the environmental policies, ecological environment planning, Ecological protection red line, environmental function zoning, ecological function zoning, etc. 4.2.4 Ecological environmental standards mainly include environmental quality standards, pollutant discharge standards, environmental monitoring standards, basic environmental standards and environmental standards. Environmental management standards. 4.2.5 Industry specifications, mainly including technical specifications for the construction, design, and construction of power transmission and transformation projects and requirements related to environmental protection. 4.2.6 Construction project information, including construction project feasibility study report, design report, related survey report, environmental impact assessment work Power of attorney (or agreement), etc. 4.2.7 For construction projects that have been included in the grid plan or other related plans, the environmental impact of the grid plan or other related plans should be collected The evaluation report and its review opinions, especially the guiding significance of the planning schemes related to construction project site selection, route direction, and wiring method see. 4.2.8 The location and route selection of power transmission and transformation construction projects should avoid the environmentally sensitive areas specified in the "List of Classification Management of Environmental Impact Assessment for Construction Projects". If the above-mentioned environmentally sensitive areas cannot be avoided due to natural conditions and other factors, the control requirements and technical specifications of relevant laws and regulations should be met. begging. 4.2.9 When a construction project enters an area that has not yet been designated an environmental function zone, the ecological environment competent department of the local people’s government shall confirm the relevant environmental The environmental quality standards and corresponding pollutant discharge standards that the elements should implement. 4.3 Evaluation content 4.3.1 The environmental impact assessment of power transmission and transformation construction projects shall include the construction period and the operation period, covering the entire process, scope and activities of construction and operation. move. 4.3.2 The environmental impact assessment during the construction and operation periods of power transmission and transformation projects should consider electromagnetic, acoustic, wastewater, solid waste, and ecological And other aspects. Please refer to Appendix A for the specific setting and preparation requirements of the report, and refer to Appendix B for the specific format and requirements of the report form. 4.3.3 During the environmental impact assessment of power transmission and transformation construction projects, the recommended schemes of construction projects shall be evaluated according to the evaluation procedures, From the perspective of environmental protection, the construction project's route selection and site selection, erection method, equipment selection and layout, and the environmental feasibility of the construction plan are demonstrated. 4.10.1 Basic requirements for first-level evaluation For transmission lines, the representative electromagnetic environment sensitive targets and the current status of the electromagnetic environment of typical line positions within the evaluation range should be measured. Evaluate the actual measurement results, and analyze the composition of existing electromagnetic sources and their impact on sensitive targets in the electromagnetic environment; A combination of analog monitoring and model prediction is adopted. For substations, converter stations, switch stations, and series compensation stations, the electromagnetic environment sensitive targets near each side station boundary and the The current status of the electromagnetic environment should be measured, and the measured results should be evaluated, and the composition of the existing electromagnetic source and its influence on the electromagnetic environment sensitive target should be analyzed; The electromagnetic environment impact prediction should adopt the method of analog monitoring. 4.10.2 Basic requirements for secondary evaluation For transmission lines, the electromagnetic environment status of representative electromagnetic environment sensitive targets within the evaluation range should be measured on site. Non-electromagnetic environment The electromagnetic environment status of the typical line position at the sensitive target can be measured on site, or the current electromagnetic environment status monitoring within the last 3 years can be used in the evaluation scope. Measure data and evaluate the current status of the electromagnetic environment. The electromagnetic environment impact prediction generally adopts the method of model prediction, and the transmission line is underground When cables are used, analog monitoring can be used. For substations, converter stations, switch stations, and series compensation stations, the electromagnetic loops of the electromagnetic environment sensitive targets adjacent to each side station boundary within the evaluation range The current situation of the environment should be measured. The current situation of the electromagnetic environment of the station boundary can be measured, or the existing monitoring data of the electromagnetic environment in the last 3 years can be used, and the The current state of the electromagnetic environment is evaluated. The electromagnetic environment impact prediction should adopt the method of analog monitoring. 4.10.3 Basic requirements for three-level evaluation For transmission lines, focus on the main electromagnetic environment sensitive targets and typical line locations within the scope of the evaluation. The current electromagnetic environment monitoring data within the last 3 years within the price range; if there is no current monitoring data, actual measurement should be carried out and the electromagnetic environment The status quo is evaluated. The electromagnetic environment impact prediction generally adopts the method of model prediction. When the transmission line is an underground cable, qualitative analysis can be used The way. For substations, converter stations, switch stations, and series compensation stations, focus on the main electromagnetic environment sensitive targets and the electromagnetic Environmental status, the current electromagnetic environment monitoring data within the last 3 years can be used within the scope of the assessment. If there is no current monitoring data, it should be carried out Measure and evaluate the current situation of electromagnetic environment. Qualitative analysis can be used to predict the impact of electromagnetic environment.5 Overview and analysis of construction projects5.1 Project Overview 5.1.1 General characteristics of the project Including project name, construction nature, construction location, construction content, construction scale, line path, station site, voltage, current, layout, Tower type, line type, equipment capacity, crossing situation, number of employees, etc., and should be attached with regional geographic location map, general layout diagram, line Schematic diagram of road route (the relative position relationship between the route and the environmentally sensitive area should be clarified), etc. The composition of the construction project should include related installations, utilities The contents of the process, auxiliary facilities, etc. DC construction projects should explain the grounding electrode system. 5.1.2 Project area Including permanent and temporary land area and type. 5.1.3 Construction technology and method Including construction organization, construction technology and methods, etc. 5.1.4 Main economic and technical indicators Including investment amount, construction period, environmental protection investment, etc. 5.1.5 Status of existing projects According to the requirements of 4.3.6 of this standard, state the existing projects. 5.2 Analysis of the rationality of site selection environment Carry out environmental rationality analysis of site selection and route selection in accordance with HJ 1113 regulations. 5.3 Identification of environmental impact factors and screening of assessment factors Analyze the environmental impact factors such as noise, wastewater, dust, waste residue, and ecological impact of the construction project during the construction period. The analysis of environmental influence factors during the operation period is mainly based on normal working conditions. Analyze various environmental factors, including electromagnetics, ecology, noise, and wastewater The production, emissions, and control conditions For electromagnetic and noise sources, the source strength and distribution should be stated. For waste water discharge sources, the types, quantities, treatment methods, discharge methods and disposal methods should be stated. To wait. Based on the identification of environmental influence factors, the evaluation factors during the construction period and the operation period are screened to clarify the evaluation parameters. 5.4 Analysis of Ecological Environment Impact Path During the construction period, the ecology of the construction project is mainly analyzed from the aspects of route selection and site selection, construction organization, construction method, and impact on environmentally sensitive areas. Way of influence. During the operation period, the ecological impact path o......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of HJ 24-2020_English be delivered?Answer: Upon your order, we will start to translate HJ 24-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 6 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of HJ 24-2020_English with my colleagues?Answer: Yes. The purchased PDF of HJ 24-2020_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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