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Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. HJ 1258-2022: Technical specifications for siting, design and construction of radioactive waste repository for nuclear technology application Status: Valid
Basic dataStandard ID: HJ 1258-2022 (HJ1258-2022)Description (Translated English): Technical specifications for siting, design and construction of radioactive waste repository for nuclear technology application Sector / Industry: Environmental Protection Industry Standard Word Count Estimation: 9,943 Issuing agency(ies): Ministry of Ecology and Environment HJ 1258-2022: Technical specifications for siting, design and construction of radioactive waste repository for nuclear technology application---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 specifications for sitting, design and construction of radioactive waste repository for nuclear technology application National Ecological Environment Standard of the People's Republic of China Nuclear Technology Utilization Radioactive Waste Repository Site selection, design and construction technical specifications Technical specifications for sitting, design and construction of radioactive waste repository for nuclear technology application Posted on 2022-06-09 2022-07-01 Implementation Released by the Ministry of Ecology and Environment directory Foreword...ii 1 Scope...1 2 Normative references...1 3 Terms and Definitions...2 4 General requirements...3 5 Site selection for waste storage...3 6 Waste bank design...4 7 Construction of waste bank...10 Appendix A (Normative Appendix) Requirements for the Safety Protection System of Urban Radioactive Waste Repository...12 Technical Specification for Site Selection, Design and Construction of Radioactive Waste Repository for Nuclear Technology Utilization 1 Scope of applicationThis standard specifies the technical requirements for site selection, design and construction of radioactive waste repositories for nuclear technology. This standard is applicable to the site selection, site selection, and storage of radioactive solid waste and spent (old) radioactive source storage warehouses for new construction, reconstruction and expansion of nuclear technology utilization. Design and construction, usually referring to municipal radioactive waste repositories. The site selection, design and construction of the radioactive source repository in use may refer to this standard.2 Normative referencesThis standard refers to the following documents or clauses thereof. For dated references, only the dated version applies to this standard. For undated references, the latest edition (including all amendments) applies to this standard. GB 6514 Coating Operation Safety Regulations Painting Process Safety and Its Ventilation and Purification GB/T 15408 Technical requirements for power supply of safety protection system GB 17565 General technical requirements for anti-theft security doors GB 18871 Basic standard for ionizing radiation protection and radiation source safety GB/T 25724 Public Safety Video Surveillance Digital Video and Audio Codec Technical Requirements GB/T 28181 Technical requirements for information transmission, exchange and control of security video surveillance networking systems GB 50009 Code for Loading of Building Structures GB 50014 Design Standard for Outdoor Drainage GB 50016 Code for fire protection of building design GB 50019 Design Specification for Heating Ventilation and Air Conditioning of Industrial Buildings GB 50034 Architectural Lighting Design Standard GB 50037 Design code for building ground GB 50052 Design Specification for Power Supply and Distribution System GB 50057 Code for Lightning Protection Design of Buildings GB 50065 Grounding Design Specification for AC Electrical Installations GB 50108 Technical Specification for Waterproofing of Underground Engineering GB 50116 Design code for automatic fire alarm system GB 50140 Design code for configuration of building fire extinguishers GB 50164 Concrete Quality Control Standard GB 50187 General Graphic Design Specification for Industrial Enterprises GB 50201 flood control standard GB 50202 Acceptance Standard for Construction Quality of Building Foundation GB 50204 Code for acceptance of construction quality of concrete structure engineering GB 50223 Classification Standard for Seismic Fortification of Construction Engineering GB 50242 Code for acceptance of construction quality of building water supply, drainage and heating engineering 3.5 radioactive waste repository yard The area between the perimeter of the storage area and the waste storage warehouse. 3.6 waste warehouse repository An independent physical building (structure) used to store radioactive waste and spent (old) radioactive sources. 3.7 very short lived waste (VSLW) The half-life of the main radionuclides contained in the waste is very short (generally less than 100 days), and the activity concentration of the long-lived radionuclides is in the solution range. Below the control level, through storage decay, the radionuclide activity concentration can reach the uncontrolled level, and the uncontrolled level is implemented. 3.8 very low level waste (VLLW) The lower limit of the activity concentration of radionuclides in waste is the release level, the upper limit is generally 10 to 100 times the release level, and the long-life release level is The radionuclide activity concentration should be very limited, only limited containment and isolation measures are required, and it can be disposed of in a surface landfill facility, or according to Dispose of in industrial solid waste landfills in accordance with national solid waste management regulations. 3.9 low level radioactive waste (LLW) The activity concentration of short-lived radionuclides in waste can be relatively high, while the content of long-lived radionuclides is limited, which takes hundreds of years. Efficient containment and isolation and can be disposed of in near-surface disposal facilities with engineered barriers.4 General requirements4.1 The construction of the waste bank shall fully analyze the regional nuclear technology utilization waste, the generation status of spent (old) radioactive sources and the development trend of nuclear technology utilization. To meet the needs of safe storage of radioactive waste in the region. 4.2 The construction content of the waste warehouse should include but not be limited to the following items. waste warehouse warehouse, comprehensive room, supporting facilities in the warehouse area (transformation and distribution equipment) facilities, water supply and drainage facilities, heating and ventilation facilities, communication and security facilities, garage and car washing facilities, gates and walls of the storage area, etc.). 4.3 The location of the waste repository should be combined with the economic development, urban and rural development planning and land use planning of the region, taking into account external human events and natural The impact of the event on the waste bank and the possible impact of the waste bank on the public and the environment, so as to ensure that the waste bank has a relationship with the public and the environment during its design life. It has sufficient isolation and good containment performance, and has convenient conditions for reconstruction, expansion and decommissioning. 4.4 The waste bank shall adopt safe, reliable and effective technologies, processes, equipment and instruments, combined with the functions and characteristics of the waste bank and the location of the waste bank. According to the environmental conditions of the reservoir area, the general layout of the reservoir area, the form of buildings (structures) and the corresponding supporting facilities should be considered, and reliable radiation protection should be adopted. protection, environmental protection and industrial safety precautions. 4.5 The waste warehouse shall be constructed in accordance with the requirements of the design documents, and the construction quality shall comply with the provisions of national or local standards. After construction is completed, Acceptance should be carried out in accordance with relevant national standards and regulations.5 Site Selection for Waste Repository5.1 The selection of the warehouse site should conform to the regional main functional area planning, industrial layout, urban and rural overall planning, land use overall planning and relevant laws and regulations. requirements stipulated by laws and regulations. 5.2 The warehouse site should have convenient and economical transportation conditions. 5.3 The location of the reservoir should be an area with low population density and little development prospect. 5.4 The reservoir site should have site conditions that meet the construction needs, including earthquake, engineering geology and flood control requirements. 5.5 The warehouse site should have the necessary site area to meet the short-term planning of the waste warehouse, and it should be properly reserved according to the needs of the long-term development plan of the waste warehouse. There is room. 5.6 The site selection should avoid the following locations and areas. a) densely populated areas in urban planning; b) scenic spots, ecological red line areas, water source reserves, nature reserves and other environmentally sensitive areas that need special protection; c) Areas with potential geological hazards such as debris flows, landslides, collapses, and karst caves; d) There is a danger of external events such as explosion, which may endanger the warehouse site; e) Areas that may be affected by dam failure accidents such as reservoirs, tailings ponds, waste dumps, etc.; f) Areas affected by seismic fault zones.6 Waste bank design6.1 Design principles The design of the waste bank should meet the following principles. a) meet radiation protection requirements, i.e. justification of practice, limitation of doses and potential exposure hazards, optimization of protection and safety, Dose constraints and potential exposure hazard constraints; b) The design should ensure that during the operation, maintenance and decommissioning of the waste warehouse, the waste receiving, storage, retrieval, outbound transportation, waste treatment and Requirements for systems, equipment, instruments, and handling tools required for disposal, decontamination, etc.; c) The storage capacity of the waste warehouse should match the amount of radioactive waste generated in the region, and effective measures should be taken to ensure the storage of waste and waste sources. Safe and stable, while meeting the requirements of environmental protection; d) The requirements for zoning storage of waste and waste sources shall be implemented to ensure the safety, economy and applicability of waste and waste source storage and storage. 6.2 Process Design 6.2.1 Acceptance criteria for waste bank design Waste banks should be designed to receive the following types of waste. a) very short-lived, very low-level or low-level radioactive waste generated during the utilization of nuclear technology; b) Waste (old) radioactive sources generated during the utilization of nuclear technology that cannot be recycled and cannot be returned to the original producer or exporter; c) The dose rate on the surface of the above-mentioned waste (old) radioactive sources and radioactive waste packaging is less than 2 mSv/h, and the dose rate at 1 m on the surface is less than 0.1 mSv/h; the surface pollution control level is. β is less than 4 Bq/cm2, α is less than 0.4 Bq/cm2. 6.2.2 Waste storage warehouse The waste warehouse warehouse includes the waste storage area, control room, sanitary passage room, exhaust fan room and other areas. The area is the hoisting area, and the area under the cover is the pit area. The design of the waste warehouse should meet the following requirements. a) The waste storage area is the area in the waste warehouse for storing radioactive waste and waste sources. Lower and semi-underground forms; b) All waste sources and wastes should be stored in the pit area, and the waste with lower radiation level should be arranged in the pit closer to the entrance and exit; c) According to the type of storage, the pit area can be divided into waste source storage area and waste storage area. Differences in activity, half-life, package surface dose rate, etc., further subdivide the storage area into multiple areas; d) The waste packaging container should be a standard packaging container, and the smaller-sized waste packaging should be placed in the large outer packaging; e) The hoisting weight should meet the requirements for hoisting the heaviest waste source and waste packaging, and leave a margin, which should not be less than 5 t; it should be based on the packaging The characteristics of the container and the conditions of the handling operation, choose safe and reliable handling equipment, such as forklifts, battery carts, hand carts Wait; f) A sanitary passage room should be set up, where staff can monitor the contamination level on the surface of the body and clothing, and can take decontamination measures, until the standard requirements are met; g) The reception and detection area for radioactive waste and waste (old) radioactive sources should be arranged near the gate in the waste warehouse, and the site should meet the requirements of Safe entry and exit of personnel operating and transport vehicles. 6.2.3 Other facilities 6.2.3.1 Comprehensive housing The comprehensive room is the auxiliary production room in the waste storage courtyard, which generally includes the monitoring center, laboratory and office rooms, conference rooms, and instrument storage. Room, lounge, etc. 6.2.3.2 Decontamination area for transport vehicles For contaminated transport vehicles, first use the method of wiping and decontamination to remove radioactive pollution; at the same time, set up a transport vehicle decontamination area. The remaining contaminated trucks are decontaminated and the resulting small amount of low activity wastewater can be treated. 6.2.3.3 Radioactive Wastewater Temporary Storage Pool The possibly radioactive waste water produced (such as the waste water from washing waste transport vehicles) should be collected separately and cannot meet the discharge standard after testing. When required, it will be discharged into the radioactive wastewater temporary storage tank, and treated by evaporation. Radioactive waste storage. 6.3 General layout 6.3.1 General layout 6.3.1.1 The general layout should meet the requirements of GB 50187, and at the same time, it should be Environmental protection and fire protection, safety, hygiene, management and other requirements, combined with the natural conditions of the site, through the comparison of technology, construction cost and operation and maintenance cost After the selection is determined. 6.3.1.2 An isolation area should be set up outside the enclosure walls of the reservoir area, and the isolation distance should ensure that the annual effective dose of the public around the reservoir area meets the requirements of the standard; The plane should be arranged in zones, the warehouse area is divided into work area, isolation area and office area, and there should be a certain distance between the work area and the office area. 6.3.1.3 The topography, topography, engineering geology and hydrogeological conditions shall be fully utilized to reasonably arrange buildings (structures) and related facilities, The amount of earth (stone) works and the cost of foundation works should be reduced. 6.3.1.4 The building (structure) shall have good lighting and natural ventilation conditions in combination with the local meteorological conditions. 6.3.1.5 In the general layout, the facilities that generate harmful gas, dust and rays should be arranged relatively centrally, avoiding the passage of people. and other necessary safeguards, and shall comply with the requirements of GBZ 1.When arranging the waste warehouse, consider the corresponding accident prevention, emergency response and rescue at the same time Facilities and equipment are provided and emergency passages are reserved. 6.3.1.6 The waste storage warehouse shall be arranged on the windward side of the minimum frequency wind direction in the reservoir area throughout the year, and in a section with open terrain and good diffusion conditions. 6.3.1.7 The waste warehouse should be arranged in a section with higher terrain, lower groundwater level and a section with better engineering geological conditions. 6.3.1.8 The fire separation distance between the buildings (structures) of the waste warehouse and the setting of the fire passage shall comply with the provisions of GB 50016. 6.3.2 Vertical Design 6.3.2.1 The vertical design shall be carried out at the same time as the general layout, and shall be consistent with the existing and planned transportation routes, drainage systems, surrounding fields outside the reservoir area. Landmarks are highly coordinated. The vertical design scheme should be based on the requirements of storage, transportation, flood control, drainage, pipeline laying and earth (stone) works, etc. Combined with topographic and geological conditions for a comprehensive comparison to determine. 6.3.2.2 The layout form and site elevation shall be determined according to the terrain and engineering geological conditions, and the balance of earth (rock) excavation and filling shall be considered. 6.3.2.3 According to the topography and geological conditions of the site, the area of the reservoir area, the size of the building (structure), the storage and transportation technology, the transportation method, the construction Density, pipeline laying, construction method and other factors reasonably determine the vertical design form, which can be flat slope type or stepped type. 6.3.2.4 For the site of the reservoir area that may be threatened by floods of rivers, rivers, lakes and seawater bodies, the design elevation shall meet the following requirements. a) Determine the flood control standard and design water level of the reservoir area according to GB 50201; b) For the design elevation of the site, the calculated water level of the flood return period is determined according to the flood control standard and a safe superelevation value of not less than 0.5 m is added. In case of wave attack and backwater phenomenon, the wave attack height and backwater height should also be added. 6.3.2.5 The elevation of the indoor floor of the waste warehouse shall be higher than the design elevation of the outdoor site, and shall not be less than 0.3 m, which can be increased as required. The indoor and outdoor height difference of the building (structure) should be coordinated with the road elevation in the library. 6.3.2.6 The allowable value of the slope for excavation and filling of the site shall be combined with the geological conditions, the height of the slope and the construction method to be adopted. According to local practical experience, it should also comply with the relevant provisions of GB 50330. 6.3.3 Site Drainage 6.3.3.1 The reservoir area should have a complete and effective rainwater drainage system. The drainage method of rainwater on the site should be combined with the rainwater drainage in the area where the reservoir area is located. According to factors such as exit method, building density, environmental sanitation requirements, geology, topography and climatic conditions, it is reasonable to choose hidden pipes, open ditches or natural drainage on the ground. seepage and so on. 6.3.3.2 The design flow calculation of rainwater drainage on site shall comply with the provisions of GB 50014. 6.3.3.3 When constructing a reservoir in a hillside area, a hillside intercepting ditch shall be set above the reservoir area. The distance from the intercepting ditch to the top of the excavation slope i......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of HJ 1258-2022_English be delivered?Answer: Upon your order, we will start to translate HJ 1258-2022_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. 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