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HJ 705-2020: (Technical Specifications for Environmental Protection Acceptance of Construction Projects)
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(Technical Specifications for Environmental Protection Acceptance of Construction Projects)
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Technical regulations for environmental protection in electric power transmission and distribution project for check and accept of completed project
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Basic data | Standard ID | HJ 705-2020 (HJ705-2020) | | Description (Translated English) | (Technical Specifications for Environmental Protection Acceptance of Construction Projects) | | Sector / Industry | Environmental Protection Industry Standard | | Classification of Chinese Standard | Z04 | | Classification of International Standard | 13.020 | | Word Count Estimation | 32,336 | | Date of Issue | 2020-12-14 | | Date of Implementation | 2021-03-01 | | Older Standard (superseded by this standard) | HJ 705-2014 | | Regulation (derived from) | Ministry of Ecology and Environment Announcement No. 64 [2020] | | Issuing agency(ies) | Ministry of Ecology and Environment | HJ 705-2020: (Technical Specifications for Environmental Protection Acceptance of Construction Projects)
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(Technical Specifications for Environmental Protection Acceptance of Construction Projects)
Technical Specification for Environmental Protection Acceptance of Construction Projects
Transmission and transformation
Technical specifications for environmental protection in electric power
transmission and distribution for check and accept of completed project
National Environmental Protection Standards of the People's Republic of China
Replace HJ 705-2014
2020-12-14 release
2021-03-01 implementation
Ministry of Ecology and Environment
release
Table of contents
Foreword...ii
1 Scope of application...1
2 Normative references...1
3 Terms and definitions...1
4 General...3
5 Technical Requirements for Acceptance Investigation...5
6 Quality Assurance...10
Appendix A (informative appendix) The format and content of the environmental protection acceptance survey report for the completion of power transmission and transformation projects...11
Appendix B (informative appendix) Format and content of survey report form for environmental protection acceptance of completed power transmission and transformation projects...16
Technical Specifications for Environmental Protection Acceptance of Construction Projects
1 Scope of application
This standard specifies the content and methods of the environmental protection acceptance survey for the completion of power transmission and transformation construction projects.
This standard is applicable to AC transmission and transformation construction projects with voltage levels of 110kV and above, and DC transmission construction projects with voltage levels of ±100kV and above.
Set up the environmental protection acceptance survey for the completion of the project.
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 12348 Environmental Noise Emission Standard at the Boundary of Industrial Enterprises
GB 39220 HVDC project synthetic electric field limit and its monitoring method
HJ 19 Technical Guidelines for Environmental Impact Assessment Ecological Impact
HJ 24 Technical Guidelines for Environmental Impact Assessment of Construction Projects
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
HJ/T 394 Technical Specification for Environmental Protection Acceptance of Construction Project Completion Ecological Impact Category
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 referred to in this standard can be divided into AC transmission and transformation construction projects and DC transmission construction projects, of which AC transmission and transformation construction
The projects include power transmission lines and substations (or switch stations, series compensation stations), and DC transmission construction projects include power transmission lines, converter stations and ground electrode systems.
System.
3.2 Transmission line
A facility composed of wires, insulating materials, poles, etc. used to transmit electricity between two points in a power system, usually in the form of overhead transmission lines, cables
Lines, gas insulated metal enclosed transmission lines.
3.3 Substation
A part of the power system, its function is to change the voltage level, collect and distribute electric energy, mainly including transformers, busbars, line switch equipment,
Equipment required for the safety and control of buildings and power systems.
3.4 switching substation
Substations with switchgear, usually including busbars, but without power transformers.
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.
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 the corresponding buildings, transformers, reactors, filters, reactive power compensation equipment, control, monitoring, protection, measurement
It consists of measuring equipment and auxiliary equipment.
3.7 earth electrode system
In the direct current transmission construction project, it is specially designed and constructed to realize normal operation or operation with earth or sea water as the current loop
The general term for a group of devices. 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 strength of the power frequency electric field is the electric field strength, and its unit is volts
Per meter (V/m), kilovolts per meter (kV/m) is 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 to measure the strength of the power frequency magnetic field can be either magnetic induction or
The magnetic field strength is used in Tesla (T) and ampere per meter (A/m). In engineering, the unit of magnetic induction is usually micro Tesla (μT).
3.11 total electric field
The electric field generated by the electric field generated by the charge on the DC charged conductor and the field generated by the space charge caused by the corona of the conductor. Measure the combined electric field strength
The physical quantity of degree is the electric field intensity, and its unit is volts per meter (V/m), and kilovolts per meter (kV/m) is commonly used in engineering.
3.12 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.
3.13 environmental protection measures
Refers to management or technical measures taken to protect the environment to prevent or reduce adverse effects on the environment.
4 General
4.1 Acceptance investigation principles and methods
4.1.1 Principles of Acceptance Investigation
4.1.1.1 Based on the approved environmental impact assessment documents and their approval documents, engineering design documents, ecological environment planning materials, and project construction costs
The basic requirements are the construction materials and completion materials. According to HJ 1113, the project construction content, environmental protection facilities and environmental protection measures shall be verified.
check.
4.1.1.2 The principles of objectivity, truthfulness, systematic and comprehensive, and prominent focus should be adhered to.
4.1.2 Acceptance survey method
The acceptance survey should adopt a combination of data study, project review, on-site investigation, and environmental monitoring, and make full use of advanced technology.
Segments and methods.
4.2 Classification of acceptance survey
The power transmission and transformation construction project that prepares the environmental impact report shall prepare the environmental protection acceptance survey report on the completion of the construction project; prepare the environmental impact report
For the reported power transmission and transformation construction projects, a survey report on the environmental protection acceptance of the completed construction project shall be prepared. For the format of the acceptance survey report (table), please refer to
Appendix A and Appendix B.
4.3 Acceptance investigation period and scope
4.3.1 According to the construction process of the project, the acceptance survey period should include the early stage of the construction project, the construction period and the debugging period of environmental protection facilities.
4.3.2 In principle, the acceptance survey scope is consistent with the evaluation scope determined in the environmental impact assessment document; when the actual construction content of the construction project changes
In addition, when the environmental impact assessment document fails to fully reflect the actual environmental impact of the project construction, it should be based on the actual environmental impact of the construction project.
According to the relevant regulations of HJ 24, the scope of investigation shall be appropriately adjusted in conjunction with the site survey.
4.4 Acceptance standards
4.4.1 Environmental quality standards
The environmental quality assessment during the environmental protection acceptance period of the power transmission and transformation construction project shall implement the current effective environmental quality standards.
4.4.2 Pollutant discharge standards
In principle, the environmental protection acceptance pollutant emission standards for the completion of power transmission and transformation construction projects shall be implemented in accordance with the environmental impact report (form) and its approval by the approval department
The standards specified in the decision. The standards issued or revised after the approval of the environmental impact report (form) are clear on the implementation of the standards for construction projects
If the time limit is required, the newly issued or revised standards shall be implemented.
4.4.3 Treatment effects and implementation and operation effects of environmental protection facilities
According to the environmental impact report (form) and its approval by the approval department, it is necessary to evaluate pollution prevention, treatment effects of disposal facilities and ecological protection
Projects and facilities are implemented in accordance with relevant standards, specifications, environmental impact reports (forms) and relevant requirements approved by the approval department
For on-site verification, you can also refer to the requirements or design indicators in the environmental protection design documents of the construction project for on-site verification.
4.5 Acceptance conditions
4.5.1 The acceptance investigation shall be carried out under the condition that the debugging conditions of the main construction project are stable and the environmental protection facilities are operating normally.
5 Technical requirements for acceptance survey
5.1 Data collection
5.1.1 Environmental protection information
5.1.1.1 The environmental impact assessment documents of construction projects and their approval documents.
5.1.1.2 The current electromagnetic environment, acoustic environment, and water environment functional zoning data at the location of the construction project.
5.1.1.3 Relevant materials of environmentally sensitive areas specified in the "List of Construction Project Environmental Impact Assessment Classification Management" within the scope of the construction project acceptance survey.
5.1.1.4 Overview of the natural environment in the area where the construction project is located.
5.1.2 Basic information of construction projects
5.1.2.1 Construction project preliminary design, construction drawing design, as-built drawing design and project approval documents, etc.
5.1.2.2 The completed schematic diagram of the construction project, including the geographical location schematic diagram of the substation, switch station, series compensation station and converter station, and the general layout of civil construction
Layout, general layout of electrical layout, schematic diagram of accidental oil pond, schematic diagram of sewage treatment facility, schematic diagram of power transmission line, etc.
5.1.2.3 Design change materials and their approval opinions, construction summary report, supervision report, etc. during the implementation of the construction project.
5.1.2.4 Statistics on land acquisition and temporary occupation.
5.1.2.5 Environmental management materials of the construction unit, construction unit and operation unit, including environmental protection management agencies, staffing, rules and regulations,
Emergency plans for environmental emergencies, etc.
5.2 Investigation of environmentally sensitive targets
5.2.1 The investigation of environmentally sensitive targets includes. the environmentally sensitive targets identified in the environmental impact assessment documents, and the newly added environment in the acceptance investigation stage
Sensitive targets (including environmentally sensitive targets that are newly added due to changes in the construction of the project and missed in the environmental impact assessment stage).
5.2.2 For electromagnetic environment and acoustic environment sensitive targets, the name, function, distribution, quantity, building floor, height, relative to the project should be given
Location, height of wire to ground, etc.
5.2.3 When the construction project enters the ecological and water environment sensitive area, it is necessary to investigate the name, level, approval status, distribution, and planning of the relevant sensitive area.
Model, protection scope, specific protection objects, and the location relationship of the construction project, and attach a functional zoning map of ecological and water environment sensitive areas.
5.2.4 The list compares the environmentally sensitive targets determined during the acceptance investigation stage and the environmental impact assessment stage, and explains the reasons for the changes in the environmentally sensitive targets.
5.3 Construction project survey
5.3.1 Investigation of the project construction process
Check the integrity of the construction project approval, preliminary design documents and approval documents, investigate the construction project approval department and the approval number, and investigate the preliminary
Step design completion and approval time, approval time, environmental impact assessment document completion and approval time, construction project start time, completion time,
Environmental protection facilities debugging time, etc., survey the names of project construction units, design units, construction units and operation units, etc.
5.3.2 Survey of construction projects
5.3.2.1 Basic information of the construction project. including project name, construction nature, construction site, construction content, construction scale, land occupation scale,
Green area, general layout, route route, main technical and economic indicators, etc., attached with the construction project location map, general layout diagram,
Schematic diagram of the route route (the relative position relationship between the route and the environmentally sensitive area should be clarified), etc.
5.3.2.2 For reconstruction and expansion projects, the general situation of the original construction projects of the reconstruction and expansion projects and the implementation of environmental protection approval procedures shall be investigated.
Conditions, construction content of reconstruction and expansion projects, etc.
5.3.2.3 Investment scale. including total investment in construction project estimates and environmental protection investment, actual total investment and environmental protection investment.
5.3.3 Survey on changes in construction projects
If there is any change during the construction of the project, the specific reason for the change, the content of the change and other relevant circumstances should be explained, including the change
The project name, construction site, construction content, construction scale, general layout, route path, etc., and investigate whether the major changes procedures are complete.
5.4 Investigation on the implementation of environmental protection facilities and environmental protection measures
5.4.1 Survey on the implementation of environmental protection facilities
5.4.1.1 Investigate the implementation of the “three simultaneous” system of environmental protection in construction projects. The contents of the investigation include. environmental protection design, construction cooperation
The same section covers the construction content and requirements of environmental protection facilities, and the simultaneous use of environmental protection facilities and the main project.
5.4.1.2 Investigate the completion of the environmental protection facilities of the construction project, including but not limited to the construction project land occupation and restoration project, electromagnetic environment pollution
Control facilities, noise pollution control facilities, sewage treatment facilities, ecological restoration, ecological treatment projects and facilities, solid waste collection and storage facilities, etc.
5.4.1.3 Investigate the completion of other environmental protection facilities, such as environmental risk prevention facilities; "new and old" renovation projects, shutdown or dismantling
Existing projects, elimination of backward installations, environmental protection facilities during construction, etc.
5.4.1.4 If the investigation finds that there are circumstances where the environmental impact report (form) has not been implemented and the environmental protection facilities required by the approval department's approval decision
The situation should be corrected in time.
5.4.2 Survey on the implementation of environmental protection measures
5.4.2.1 Investigate the environmental protection measures taken during the site selection, design, construction, and operation stages of the construction project to reduce ecological and pollution impacts.
Measures, and verify and explain the implementation of various environmental protection measures proposed in the environmental impact assessment document and its approval document.
5.4.2.2 Environmental protection measures for ecological impacts are mainly protection measures for sensitive targets (aquatic, terrestrial) of ecological environment, including vegetation
Protection and restoration measures, wildlife protection measures, temporary land occupation and other trace restoration measures, and protection measures for ecological environment sensitive areas.
5.4.2.3 The environmental protection measures affected by pollution mainly refer to the protection of various pollution sources such as electromagnetic, sound, water, gas, and solid waste.
Protection measures.
5.4.2.4 For construction projects that are constructed in stages and checked and accepted in stages, the relationship between the
Set up the implementation status of the environmental protection measures of “bringing the old with the new” in the project and explain the completion status of the phased acceptance.
5.4.2.5 Based on the survey results, analyze the implementation of the “three simultaneous” system of environmental protection during the construction of the project.
5.5 Ecological impact survey
5.5.1 Survey content
5.5.1.1 Check and accept the distribution of ecological environment sensitive areas within the scope of the survey, clarify their relative positional relationship with the construction project, the level of protected areas,
Protected species and scope of protection, etc. Provide an appropriate ratio of the location map of the ecological environment sensitive area, indicating the relative location, regional location and boundary of the project.
5.5.1.2 The land occupation of the construction project, including temporary land occupation and permanent land occupation, description of land occupation type, area, purpose, borrow site (spoil site)
And ecological restoration.
5.5.2 Ecological impact survey method
Refer to HJ 19 and HJ/T 394 for specific methods of ecological environmental impact investigation.
5.5.3 Analysis of survey results
The analysis of the survey results refers to HJ 19 and HJ/T 394.
5.6 Investigation of electromagnetic environment impact
5.6.1 Survey content
5.6.1.1 Investigation of source items of electromagnetic environment influence. Acceptance of overhead transmission lines with voltage levels of 330kV and above, and voltages of 330kV and above, etc.
If there is a crossover or parallel situation of overhead transmission lines, the comprehensive impact on the electromagnetic environment sensitive target should be considered; cross or parallel lines
When the centerline spacing is less than 100m, the name of the relevant transmission line project, the voltage level, and the relative position relationship with the construction project to be accepted should be investigated.
5.6.1.2 Investigation of electromagnetic environmental protection facilities and electromagnetic environmental protection measures. Investigate project environmental impact assessment documents and their approval documents and design
Implementation of electromagnetic environmental protection facilities and electromagnetic environmental protection measures required by the document.
5.6.2 General requirements for electromagnetic environment monitoring
5.6.2.1 Selection of monitoring points for electromagnetic environment sensitive targets. the consistency with the monitoring points in the environmental impact assessment stage shall be considered, and the newly added,
Representative sensitive targets.
5.6.2.2 Monitoring frequency. Measure once at each determined monitoring point.
5.6.2.3 Monitoring methods and instruments. the monitoring methods and instruments of power frequency electric field and power frequency magnetic field shall be in accordance with the provisions of HJ 681; synthetic electric field monitoring method
The methods and instruments are in accordance with GB 39220.
5.6.3 Electromagnetic environment monitoring of substations, converter stations, switch stations and series compensation stations
5.6.3.1 The electromagnetic environment monitoring of substations, converter stations, switch stations and series compensation stations includes electromagnetic environment sensitive target monitoring and plant boundary monitoring.
5.6.3.2 The electromagnetic environment sensitive target monitoring points outside the side walls of substations, converter stations, switch stations, and series compensation stations shall be representative.
5.6.3.3 Plant boundary monitoring is generally arranged at 5m outside the fence of the substation, converter station, switch station, and series compensation station. If it is measured at other locations,
The relative positional relationship between the monitoring point and the substation, converter station, switch station, series compensation station and the current environment should be explained.
5.6.4 Electromagnetic environment monitoring of transmission lines
5.6.4.1 The electromagnetic environment monitoring of transmission lines includes electromagnetic environment sensitive target monitoring and section monitoring.
5.6.4.2 All electromagnetic environment sensitive targets across the transmission line shall be monitored, and other electromagnetic environment sensitive targets shall be monitored according to the principle of representativeness.
Monitoring; when the monitoring point covers all electromagnetic environment sensitive targets, cross-sectional monitoring is not required.
5.6.4.3 For cross-over or parallel overhead transmission lines with voltage levels of 330kV and above, when the line centerline spacing is less than 100m and
When there are electromagnetic environment sensitive targets in the parallel area, the electromagnetic environment monitoring points should consider the comprehensive impact of parallel lines on electromagnetic environment sensitive targets.
5.6.4.4 Transmission line cross-section monitoring should select representative cross-sections for monitoring according to voltage levels and arrangement met...
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