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HJ 24-2020 English PDF
HJ 24-2020 (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 contents Foreword...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 Assessment 1 Scope of application This 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 references The 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 projects 3 Terms and definitions The 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 regulations 4.1 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 Ecologi...... HJ 24-2014 Technical guidelines for environmental impact assessment of electric power transmission and distribution project People's Republic of China National Environmental Protection Standards Replacing HJ/T 24-1998 Issued on.2014-10-20 2015-01-01 implementation Issued by the Ministry of Environmental Protection Table of Contents Preface II 1. Scope ..1 2 Normative references ..1 3 Terms and Definitions .1 4 basic provisions ..2 5 Project Overview and engineering analysis 8 6 Environmental Survey and Evaluation 9 7 Construction of the Environmental Impact Assessment .11 8 runtime environment impact assessment .11 9 environmental protection measures and technology, economic feasibility .14 10 Environmental Management and Monitoring Plan .14 11 Public Participation 15 Appendix A (normative) power transmission project environmental impact report .17 Special and staffing requirements Format and requirements Annex B (normative) power transmission project environmental impact statement of ..19 Annex C (informative) under high voltage overhead transmission lines spatial frequency electric field intensity calculation .22 Annex D (informative) under high voltage overhead transmission lines spatial frequency magnetic field strength calculation 29 Annex E (informative) Simplified theoretical DC transmission lines resultant electric field strength calculation programs and calculation steps .30 Foreword To implement the "People's Republic of China Environmental Protection Law" and "People's Republic of China Environmental Impact Assessment Law" to regulate power transmission project construction Let environmental impact assessment projects to prevent pollution of the environment and transforming power project, the development of this standard. This standard specifies the power transmission project construction project environmental impact assessment of the contents, methods and other technical requirements. This standard is the "500kV EHV Transmission and Distribution Project Electromagnetic radiation Environmental Impact Assessment Technical Specifications" (HJ/T 24-1998) repair Order. This standard was first published in 1998, the original standard was drafted for the Northern Jiaotong University, this is the first revision. The main amendments within Content. - Scope covers the 110kV and above voltage AC power transmission project, ± 100kV and above voltage level of the DC Transmission Project; - Added HVDC Project Evaluation content requirements; - Increased content requires the evaluation of the ecological, sound, water, public participation and other factors. From the date of implementation of this standard, "500kV EHV Transmission and Distribution Project Electromagnetic radiation Environmental Impact Assessment Technical Specifications" (HJ/T 24-1998) abolished. This standard Annex A, Annex B is normative appendix, Appendix E Appendix C ~ informative appendices. This standard by the Ministry of Science, Technology and Environmental Protection, Division of radiation safety regulatory organizations to develop. This standard is mainly drafted by. Environmental Protection Department of Environmental Radiation Monitoring Technical Center. This standard MEP October 20, 2014 for approval. This standard since January 1, 2015 implementation. The standard explanation by the Ministry of Environmental Protection. Environmental Impact Assessment Technology Guidelines Transmission Project 1 Scope This standard specifies the content and method of power transmission project construction project environmental impact assessment work. This standard applies to 110kV and above voltage AC power transmission project, ± 100kV and above voltage direct current transmission project Construction project environmental impact assessment. 2 Normative references The standard content of the following documents cited in the articles. For undated references, the effective version applies to this standard. GB 3096 acoustic environment quality standards GB 8702 electromagnetic environment control limit GB 12348 industrial enterprises of environmental noise emission standard plant boundary HJ 2.1 Environmental Impact Assessment Technology Guidelines Master HJ/T 2.3 Environmental Impact Assessment Technology Guidelines surface water HJ 2.4 Environmental Impact Assessment Technology Guidelines make a sound environment HJ 19 Environmental Impact Assessment Technology Guidelines ecological impact HJ/T 169 Construction Project Environmental Risk Assessment Guidelines HJ 681 AC Transmission Electromagnetic Environment Monitoring (Trial) DL/T 1089 DC converter station and line field strength, ion current density measurement method "Interim Measures on Public Participation in Environmental Impact Assessment" (UNCED [2006] No. 28) 3 Terms and Definitions The following terms and definitions apply to this standard. 3.1 Transmission Project electric power transmission and distribution project The energy characteristics (mainly refers to voltage, AC or DC) is transformed and transported from the power supply to the power demand to the project. The standard refers to the power transmission project can be divided into AC and DC power transmission project transmission project, which includes a power transmission line AC Transmission Road and substation (or switch station, Series Compensation Station), including HVDC transmission line project, converter station and grounding systems. 3.2 Transmission Line transmission line For inter-power system consisting of two transmission facilities wire, insulation materials, and other towers. 3.3 substation substation Part of the electrical system, its function is to change the voltage level, collection and distribution of power, including transformers, bus bars, circuit switch Equipment, buildings and electrical safety and control systems required equipment. 3.4 switching station switching substation With a switch device, also typically includes bus, but no power transformer substation. 3.5 Series Compensation Station series compensator station Power system transmission line series compensation power facilities. Series compensation station installed complete sets of equipment and related support facilities and buildings Material structures. 3.6 converter station converter station Mounted inverter and are mainly used to convert alternating current or direct current into AC substation. Usually installed in the one place One or more of the inverter, and the corresponding buildings, transformers, reactors, filters, reactive power compensation equipment, control, monitoring, protection, Measuring equipment and auxiliary equipment. 3.7 grounding system earth electrode system DC transmission project, in order to achieve normal operation or failure to earth or sea water for current loop operation specifically designed and built a General device group. It mainly consists of grounding line, grounding wire and grounding the feed stream composition. 3.8 Electromagnetic environmental sensitive targets electromagnetic environment-sensitive target Electromagnetic Environmental Impact Assessment need to focus on the subject. Including homes, schools, hospitals, office buildings, factories and other public has to live, work Or learning building. 3.9 frequency electric field power frequency electric field At any time intercropping 50Hz cycle of charge generated electric field. Measurement frequency electric field intensity of the electric field intensity quantities, units of volts Special per meter (V/m), commonly used in engineering kilovolt per meter (kV/m). 3.10 frequency magnetic field power frequency magnetic field At any time intercropping 50Hz cycle generated by the current magnetic field. Measurement frequency magnetic field strength can be used both physical magnetic induction may also be In magnetic field strength, whose units were tesla (T) and amperes per meter (A/m), the engineering unit of magnetic induction commonly used micro Tesla (μT). 3.11 composite electric field total electric field Electric field and space charge field conductor charged conductor DC corona charge generated due to the electric field generated after synthesis. Measure synthetic motor Field intensity physical quantity is the electric field strength in units of volts per meter (V/m), commonly kilovolts per meter (kV/m) on the project. 3.12 nominal nominal electric field electric field DC electric field generated by the charge charged conductor (not including the space charge field formation). The nominal electric field strength measurement of electrical quantities Field strength in units of volts per meter (V/m), widely used in engineering kilovolts per meter (kV/m). 4 basic provisions 4.1 work program Power transmission project environmental impact assessment is generally divided into three phases. preparation, research and program of work stages and pre-analysis and demonstration Test evaluation stage, the environmental impact assessment document preparation phase. Prepare an environmental impact report power transmission project environmental impact assessment procedures and The main content of each stage as shown in Figure 1. Preparation of environmental impact statement of the power transmission project environmental impact assessment of the various stages of work content than the series The report made the work content can be appropriately simplified. 4.2 basis for evaluation 4.2.1 power transmission project environmental impact assessment should be related to environmental protection standards, the industry in accordance with national environmental protection laws and regulations, national and local Norms, urban and rural planning related information, engineering data, and planning environmental impact assessment (if any) and other relevant information to carry out. 4.2.2 environmental laws and regulations...... Similar standards: GB/T 4214.1 GB 1495
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