GB/T 50294-1999 Specification for general layout and transport design of nuclear power plants
Some standard content:
Engineering construction standard full text information system
National Standard of the People's Republic of China
GB/T50294—1999
Design code for general plan and transportation of nuclear power plant
1999—06-10 Issued
1999—10—01 Implementation
State Administration of Quality and Technical Supervision
Ministry of Construction of the People's Republic of China
Engineering construction standard full text information system
Jointly issued
Engineering construction standard full text information system
National Standard of the People's Republic of China
Design code for general plan and transportation of nuclear power plant
plants
GB/T50294—1999
Editor: China National Nuclear Corporation
Approval department: Ministry of Construction of the People's Republic of China Effective date: October 1, 1999
1999 Beijing
Engineering Construction Standards Full-text Information System
Engineering Construction Standards Full-text Information System
Notice on the Release of the National Standard "General Layout and Transport Design Specifications for Nuclear Power Plants"
Jianbiao [1999] No. 146
According to the requirements of the "1992 Engineering Construction Standards Formulation and Revision Plan" (Annex 2 of Document No. 490 of the State Planning Commission), the "General Layout and Transport Design Specifications for Nuclear Power Plants" jointly formulated by China National Nuclear Corporation and relevant departments has been reviewed and approved by relevant departments as a recommended national standard with the number GB/T502 94-1999, effective from October 1, 1999.
This specification is managed by China National Nuclear Corporation, the Second Research and Design Institute of Nuclear Industry is responsible for the specific interpretation work, and the Standard and Quota Research Institute of the Ministry of Construction organizes China Planning Press to publish and distribute it.
Ministry of Construction of the People's Republic of China
June 10, 1999
Engineering Construction Standards Full Text Information System
Engineering Construction Standards Full Text Information System
Site Selection
General Provisions
Nuclear Safety Standards
Master Plan
General Plan Layout
General Provisions
Layout of Main Production Facilities
Layout of Auxiliary Production Facilities
Layout of Other Facilities
Vertical Layout
General Provisions
Determination of Design Elevation||tt| |Step-by-step layout
Earthwork (rock) engineering…
Site drainage
Comprehensive layout of pipelines
General provisions
Underground pipelines
Overhead pipelines
General provisions
Greening layout
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Engineering Construction Standard Full-text Information System
Tree Species Selection
General Provisions
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Transfer Station (Transfer Terminal)
10 Main Technical and Economic Indicators
Appendix A
Appendix B
Calculation Method of Technical and Economic Indicators:||tt| |Explanation of terms used in this specification
Additional explanation
Engineering construction standard full text information system
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Engineering Construction Standard Full Text Information System
1.0.1 In order to implement the national policy of safety first for civil nuclear facilities and the national policy of capital construction, unify the design principles and technical requirements of the master plan and transportation design of nuclear power plants, and make safe, reliable, practical, technologically advanced and cost-effective designs, this specification is formulated.
1.0.2 This specification is applicable to the master plan and transportation design of new and expanded nuclear power plants. Other nuclear power plants with nuclear heating can also be implemented in accordance with this specification. 1.0.3 In addition to complying with this specification, the master plan and transportation design of nuclear power plants shall also comply with the provisions of the current national mandatory specifications and standards. Engineering Construction Standards Full Text Information System
Engineering Construction Standards Full Text Information System
2.0.1 Nuclear Island
A general term for the nuclear steam supply system and related systems, components and buildings (usually including the reactor building, fuel building and nuclear auxiliary building that accommodate the nuclear steam supply system). 2.0.2 Conventional Island
A general term for the steam turbine generator sets and their supporting facilities and related buildings of a nuclear power plant. 2.0.3 Important nuclear safety buildings and structures refer to buildings and structures that contain reactors or facilities, systems and components that play an important role in nuclear safety.
2.0.4 Auxiliary Nuclear Facilities
A general term for other facilities such as buildings, warehouses, storage tanks, etc. that handle and store radioactive materials in a nuclear power plant except the nuclear island.
2.0.5 External human factors
Factors that may cause harm to the nuclear power plant in the event of an accident in facilities outside the nuclear power plant that are artificially formed for handling, processing and transporting dangerous goods, such as flammable, explosive, corrosive, toxic and radioactive materials. 2.0.6 External human events
Events caused by external human factors.
2.0.7 Peripheral areas
Areas directly surrounding the plant area where emergency measures may need to be taken in terms of population distribution and population density, land and water utilization, etc. 2.0.8 Nuclear power unit
Basic power generation unit consisting of the reactor and its supporting steam turbine generator set, as well as the systems and facilities required to maintain their normal operation and ensure safety. 2
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
3 Site Selection
3.1 General Provisions
3.1.1 Site selection should be carried out in accordance with relevant laws, regulations, documents and medium- and long-term nuclear power planning, and in accordance with the state's regulations on the preliminary work of nuclear power construction. 3.1.2 Site selection should include determining the scope of the plant area, external supporting facilities of the power plant, employee living area, and construction and production base; determining the scope of non-residential areas and restricted areas; and determining the design basis for external events that affect the safety of the nuclear power plant in the area where the site is located. In the planning and site selection stage, according to the principle of one site and multiple reactors, opinions should be put forward on the construction sequence and scale.
In optimizing the candidate site, opinions should be put forward on the construction scale and completion period, and suggestions should be put forward on the reactor type and installed capacity. Note: According to the "Regulations on Environmental Radiation Protection of Nuclear Power Plants" (GB6249), the non-residential area is the area with a radius of not less than 0.5km from the reactor, and the restricted area is the area with a radius of not less than 5km from the reactor.
3.1.3 During the site selection process, all relevant departments and professional divisions shall work together to conduct extensive and in-depth investigations and studies on various factors such as power grid structure, power and heat load, water supply, transportation (including large-scale transportation), natural conditions (topography, earthquake, geology, hydrology, meteorology), population, urban status and planning, environmental conditions, farmland water conservancy, land occupation and demolition, flood control and drainage, external natural events and man-made events, external cutting, construction conditions, etc., make technical, economic and safety comparisons of multiple options, and recommend several plant site options. 3.1.4 When selecting a site, land should be used economically, and it is advisable to use barren mountains, inferior land, and seashores, not occupy or occupy less good farmland, and it should comply with national laws and regulations on royal land management and environmental protection. 3.1.5 The site should not occupy existing facilities such as railways, highways, diversion and drainage canals, engineering pipelines, etc., and less residential houses should be demolished to reduce population migration. 3
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
3.1.6 The site should have sufficient and reliable water sources that meet the needs of production and life. The site of a direct cooling water supply plant should be close to the water source, but the impact of its inlet and outlet water on the water area should comply with relevant national regulations.
3.1.7 The site should be located on the upwind side of the nearby town or residential area with the lowest wind frequency throughout the year. 3.1.8 The site should be located near the main traffic line or in an area with a short and economical dedicated line, or near an area with conditions for building a dock, and should have the conditions for large-scale transportation. 3.1.9 The site should have the necessary area for construction and meet the requirements of the general layout (including the requirements for the planned capacity). 3.1.10 The terrain of the site should be conducive to the layout of the plant, gas diffusion, traffic connection, site drainage and reduction of earthwork, etc.
3.1.11 The groundwater level at the site should be deep, and its flow should be towards areas where there are no people or the public does not use groundwater.
The conditions for the outgoing line of the power grid should be fully considered, and sufficient outgoing line corridors should be reserved according to the planning requirements of the power plant access system.
3.1.13 The site should not be selected in the following areas: 3.1.13.1 Areas with a basic earthquake intensity greater than 7 degrees. 3.1.13.2 Major agricultural, animal husbandry and fishery breeding areas. 3.1.13.3 Mineral deposits with mining value. 3.1.13.4 Historical relics and monuments protection areas. When external human factors and natural conditions outside the plant site permit, the site should be fully utilized and a one-site multiple-reactor plan should be implemented.
3.2 Nuclear safety guidelines
3.2.1 The selection of nuclear power plant sites should comply with the principle of protecting the public and the environment from radioactivity released in the operating state or accident state of the power plant exceeding the national limit. The following three influences should be considered in the site selection: 3.2.1.1 The impact of the site area on the nuclear power plant. 3.2.1.2 The impact of the nuclear power plant on the site area. 3.2.1.3 The impact of population factors.
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
3.2.2 The following factors must be considered when selecting a site: 3.2.2.1 The impact of external natural or man-made events that may occur in the area where a specific site is located on the nuclear power plant.
3.2.2.2 The characteristics of the site and its environment that may affect the transfer of released radioactive materials to the human body.
3.2.2.3 The population density, distribution and other characteristics of the surrounding areas related to the possibility of implementing emergency measures and assessing individual and group risks. 3.2.3 The site should be built in an area with low population density and a small regional population density, so that emergency measures can be taken in the event of a nuclear power plant accident. The nuclear power plant should maintain an appropriate straight-line distance from the urban development boundaries of towns with a population of more than 10 and large cities with a population of more than 1 million. 3.2.4 The site should be selected in an area that is not subject to floods (including those caused by precipitation, high water level, and high tide) or floods and waves caused by the destruction of water retaining structures, as well as tsunamis or lake surges caused by earthquakes. www.bzxz.net
3.2.5 The site should not be located in a surface fault zone that may produce obvious displacement on or near the surface.
3.2.6 The site should not be selected in an area with natural features such as caves and karsts, and artificial features such as wells, mines, oil wells or gas wells, as well as areas that may cause ground collapse, settlement or uplift that may affect the safety of the nuclear power plant. 3.2.7 The underground of the site should be a well-consolidated soil or rock layer. The base soil should not have the possibility of liquefaction under the specific ground movement conditions in the site area. 3.2.8 In the site and its adjacent areas, unstable slopes that affect the safety of the nuclear power plant should not exist.
3.2.9 The plant site should be selected in an area that is less affected by tropical cyclones and severe tornadoes.
The plant area should be far away from the following facilities:
3.2.10.1 Large hazardous facilities such as chemical and explosive production plants and storage warehouses, refineries, oil and natural gas storage facilities.
3.2.10.2 Civil airports, military airports, aerial live-fire ranges and air routes. 5
Engineering Construction Standards Full-text Information System
Engineering Construction Standards Full-text Information System
3.2.10.3 Pipelines for transporting flammable gases or other dangerous substances. 3.2.10.4 Transport routes for carrying dangerous goods include waterways, land routes and air routes. 3.2.11 The weather in the plant site area should be conducive to the diffusion of radioactive gases from the power plant into the atmosphere.
The site should be far away from important underground or surface drinking water sources that are used by the public or planned to be used by the public in the future.
In order to implement emergency measures, the site should have two entrances and exits for external communication in different directions.
Among the external natural factors and human factors that affect the safety of the site, select the external events (natural events and human-made events) related to major radiation risks as considerations to determine the design basis for external events for the design of the nuclear power plant. The specific implementation of the requirements of this section shall be in accordance with the "Safety Regulations for Siting of Nuclear Power Plants" (HAF0100(91) and its guidelines. 3.2.15
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
4 Overall Planning
4.0.1 The overall planning of the nuclear power plant shall be based on the approved planning capacity and the selected site, in accordance with the requirements of production, construction and life, combined with natural conditions, and shall include planning for the plant area, non-residential area, restricted area, Construction and production bases, meteorological stations, guard barracks, factory living areas, water sources, water supply and drainage facilities, flood control and drainage facilities, transportation and its facilities, and outgoing line corridors should be planned from the short-term perspective and in the long-term. The overall plan should be coordinated with the planning of towns or industrial areas. 4.0.2 The overall plan of a nuclear power plant should meet the following requirements: 4.0.2.1 The land area required to meet the short-term and long-term planned capacity of the nuclear power plant and its supporting facilities.
4.0.2.2 Combine the short-term and long-term perspectives, starting from the short-term perspective and considering the long-term, and make overall arrangements. 4.0 .2.3 Save land and plan the location of the reactor building reasonably to minimize the non-residential area and make full use of the non-residential area. 4.0.2.4 Spent fuel transportation should avoid crossing busy national trunk lines and urban residential areas, and be delivered to the receiving station or dock leading to the reprocessing plant in a short distance. 4.0.2.5 Living areas, drinking water sources, supporting facilities, and nuclear power plant areas should be arranged in order from the lower and upper sides of the lowest wind frequency throughout the year. 4.0.2.6 Make full use of natural conditions, adapt to local conditions, and reduce infrastructure costs. 4.0.2.7 Meet the safety, sanitation, and environmental requirements of adjacent urban facilities, and consider not affecting mutual development.
4.0.2.8 Reduce the amount of work required to dismantle and relocate residents and existing facilities. 4.0.2.9 All supporting facilities should be close to or relatively concentrated with the nuclear power plant, provided that they comply with relevant regulations and meet safety requirements.
4.0.3 The distance between the production water intake (head) and the cooling water outlet should be determined based on hydrological data and, if necessary, should be determined through hydraulic discharge model tests. 7
Engineering Construction Standards Full Text Information System3 The site should be built in an area with low population density and a small regional population density, so that emergency measures can be taken in the event of a nuclear power plant accident. The nuclear power plant should maintain an appropriate straight-line distance from the urban development boundaries of towns with a population of more than 10 and large cities with a population of more than 1 million. 3.2.4 The site should be selected in an area that is not subject to floods (including those caused by precipitation, high water levels, and high tides) or floods and waves caused by the destruction of water retaining structures, as well as tsunamis or lake surges caused by earthquakes.
3.2.5 The site should not be located in a surface fault zone that may produce obvious displacement on or near the surface.
3.2.6 The site should not be selected in areas with natural features such as caves and karsts and artificial features such as wells, mines, oil wells or gas wells, as well as areas with the possibility of causing ground collapse, subsidence or uplift that may affect the safety of the nuclear power plant. 3.2.7 The underground of the site should be a well-consolidated soil or rock layer. The base soil should not be likely to liquefy under the specific ground movement conditions in the site area. 3.2.8 Unstable slopes that affect the safety of the nuclear power plant should not exist at the site and its adjacent areas.
3.2.9 The site should be selected in an area that is less affected by tropical cyclones and severe tornadoes.
The plant area should be far away from the following facilities:
3.2.10.1 Large hazardous facilities such as chemical and explosive production plants and storage warehouses, refineries, oil and natural gas storage facilities.
3.2.10.2 Civil airports, military airports, aerial live-fire ranges and air routes. 5
Engineering Construction Standards Full-text Information System
Engineering Construction Standards Full-text Information System
3.2.10.3 Pipelines that transport flammable gases or other dangerous substances. 3.2.10.4 Transportation routes for dangerous goods include waterways, land routes and air routes. 3.2.11 The weather in the site area should be conducive to the diffusion of radioactive gases from the power plant into the atmosphere.
The site should be far away from important underground or surface drinking water sources that are used by the public or planned to be used by the public in the future.
In order to implement emergency measures, the site should have two entrances and exits for external communication in different directions.
Among the external natural factors and human factors that affect the safety of the site, select the external events (natural events and human events) related to major radiation risks as considerations to determine the external event design basis for the design of the nuclear power plant. The specific implementation of the requirements of this section shall be in accordance with the provisions of the Safety Regulations for Siting of Nuclear Power Plants (HAF0100(91)) and its guidelines. 6
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
4 Overall Planning
4.0.1 The overall planning of a nuclear power plant shall be based on the approved planned capacity and the selected site, in accordance with the requirements of production, construction and life, and in combination with natural conditions, to plan the plant area, non-residential area, restricted area, Construction and production bases, meteorological stations, guard barracks, factory living areas, water sources, water supply and drainage facilities, flood control and drainage facilities, transportation and its facilities, and outgoing line corridors should be planned from the short-term perspective and in the long-term. The overall plan should be coordinated with the planning of towns or industrial areas. 4.0.2 The overall plan of a nuclear power plant should meet the following requirements: 4.0.2.1 The land area required to meet the short-term and long-term planned capacity of the nuclear power plant and its supporting facilities.
4.0.2.2 Combine the short-term and long-term perspectives, starting from the short-term perspective and considering the long-term, and make overall arrangements. 4.0 .2.3 Save land and plan the location of the reactor building reasonably to minimize the non-residential area and make full use of the non-residential area. 4.0.2.4 Spent fuel transportation should avoid crossing busy national trunk lines and urban residential areas, and be delivered to the receiving station or dock leading to the reprocessing plant in a short distance. 4.0.2.5 Living areas, drinking water sources, supporting facilities, and nuclear power plant areas should be arranged in order from the lower and upper sides of the lowest wind frequency throughout the year. 4.0.2.6 Make full use of natural conditions, adapt to local conditions, and reduce infrastructure costs. 4.0.2.7 Meet the safety, sanitation, and environmental requirements of adjacent urban facilities, and consider not affecting mutual development.
4.0.2.8 Reduce the amount of work required to dismantle and relocate residents and existing facilities. 4.0.2.9 All supporting facilities should be close to or relatively concentrated with the nuclear power plant, provided that they comply with relevant regulations and meet safety requirements.
4.0.3 The distance between the production water intake (head) and the cooling water outlet should be determined based on hydrological data and, if necessary, should be determined through hydraulic discharge model tests. 7
Engineering Construction Standards Full Text Information System3 The site should be built in an area with low population density and a small regional population density, so that emergency measures can be taken in the event of a nuclear power plant accident. The nuclear power plant should maintain an appropriate straight-line distance from the urban development boundaries of towns with a population of more than 10 and large cities with a population of more than 1 million. 3.2.4 The site should be selected in an area that is not subject to floods (including those caused by precipitation, high water levels, and high tides) or floods and waves caused by the destruction of water retaining structures, as well as tsunamis or lake surges caused by earthquakes.
3.2.5 The site should not be located in a surface fault zone that may produce obvious displacement on or near the surface.
3.2.6 The site should not be selected in areas with natural features such as caves and karsts and artificial features such as wells, mines, oil wells or gas wells, as well as areas with the possibility of causing ground collapse, subsidence or uplift that may affect the safety of the nuclear power plant. 3.2.7 The underground of the site should be a well-consolidated soil or rock layer. The base soil should not be likely to liquefy under the specific ground movement conditions in the site area. 3.2.8 Unstable slopes that affect the safety of the nuclear power plant should not exist at the site and its adjacent areas.
3.2.9 The site should be selected in an area that is less affected by tropical cyclones and severe tornadoes.
The plant area should be far away from the following facilities:
3.2.10.1 Large hazardous facilities such as chemical and explosive production plants and storage warehouses, refineries, oil and natural gas storage facilities.
3.2.10.2 Civil airports, military airports, aerial live-fire ranges and air routes. 5
Engineering Construction Standards Full-text Information System
Engineering Construction Standards Full-text Information System
3.2.10.3 Pipelines that transport flammable gases or other dangerous substances. 3.2.10.4 Transportation routes for dangerous goods include waterways, land routes and air routes. 3.2.11 The weather in the site area should be conducive to the diffusion of radioactive gases from the power plant into the atmosphere.
The site should be far away from important underground or surface drinking water sources that are used by the public or planned to be used by the public in the future.
In order to implement emergency measures, the site should have two entrances and exits for external communication in different directions.
Among the external natural factors and human factors that affect the safety of the site, select the external events (natural events and human events) related to major radiation risks as considerations to determine the external event design basis for the design of the nuclear power plant. The specific implementation of the requirements of this section shall be in accordance with the provisions of the Safety Regulations for Siting of Nuclear Power Plants (HAF0100(91)) and its guidelines. 6
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
4 Overall Planning
4.0.1 The overall planning of a nuclear power plant shall be based on the approved planned capacity and the selected site, in accordance with the requirements of production, construction and life, and in combination with natural conditions, to plan the plant area, non-residential area, restricted area, Construction and production bases, meteorological stations, guard barracks, factory living areas, water sources, water supply and drainage facilities, flood control and drainage facilities, transportation and its facilities, and outgoing line corridors should be planned from the short-term perspective and in the long-term. The overall plan should be coordinated with the planning of towns or industrial areas. 4.0.2 The overall plan of a nuclear power plant should meet the following requirements: 4.0.2.1 The land area required to meet the short-term and long-term planned capacity of the nuclear power plant and its supporting facilities.
4.0.2.2 Combine the short-term and long-term perspectives, starting from the short-term perspective and considering the long-term, and make overall arrangements. 4.0 .2.3 Save land and plan the location of the reactor building reasonably to minimize the non-residential area and make full use of the non-residential area. 4.0.2.4 Spent fuel transportation should avoid crossing busy national trunk lines and urban residential areas, and be delivered to the receiving station or dock leading to the reprocessing plant in a short distance. 4.0.2.5 Living areas, drinking water sources, supporting facilities, and nuclear power plant areas should be arranged in order from the lower and upper sides of the lowest wind frequency throughout the year. 4.0.2.6 Make full use of natural conditions, adapt to local conditions, and reduce infrastructure costs. 4.0.2.7 Meet the safety, sanitation, and environmental requirements of adjacent urban facilities, and consider not affecting mutual development.
4.0.2.8 Reduce the amount of work required to dismantle and relocate residents and existing facilities. 4.0.2.9 All supporting facilities should be close to or relatively concentrated with the nuclear power plant, provided that they comply with relevant regulations and meet safety requirements.
4.0.3 The distance between the production water intake (head) and the cooling water outlet should be determined based on hydrological data and, if necessary, should be determined through hydraulic discharge model tests. 7
Engineering Construction Standards Full Text Information System3 The distance between the production water intake (head) and the cooling water outlet shall be determined based on hydrological data and, if necessary, by hydraulic discharge model tests. 7
Engineering Construction Standards Full Text Information System3 The distance between the production water intake (head) and the cooling water outlet shall be determined based on hydrological data and, if necessary, by hydraulic discharge model tests. 7
Engineering Construction Standards Full Text Information System
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