 Inspection Affairs Division |
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Specialists at the Inspection Affairs Division, who are strictly qualified,
conduct inspection, review and confirmation of safety management for nuclear installations from a neutral and fair position based on scientific and rational judgment of safety legislation and regulation.
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| Inspection, Review and Confirmation of Safety Management for Nuclear Installations |
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Important activities are conducted for inspection,
review and confirmation of safety management,
as part of the safety regulations based on the Electric Utilities Industry Law and the Law for the Regulation of Nuclear Source Material,
Nuclear Fuel Material and Reactors.
These activities can be generally divided into three categories;
(1) activities conducted with the notification of the National Government,
(2) activities conducted based on the application from a licensee, and
(3) activities conducted in accordance with instructions from the National Government.
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| 1. Activities Conducted with the Notification of the National Government |
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| - Pre-service Inspection |
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| Important systems and equipments are checked for their conformity with technical standards during the construction stage of nuclear power plants*1. |
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Pre-service inspection |
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| - Fuel Assembly Inspection |
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Nuclear fuel material used for nuclear power plants such as the fuel are verified for their conformity to the technical standards. |
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| - Periodic Inspection and Periodic Facility Inspection |
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During the operation period of nuclear power plants, the systems, equipments etc. especially important to safety are verified for their conformity to the technical standards. |
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| - Check of Radioactivity Concentration |
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We verify the measurement and evaluation of radioactivity concentration conducted by electric utilities on the waste generated at Nuclear installations. |
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| *1 Include reactors at the research and development stage. |
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| 2. Activities Conducted Based on the Application from a Licensee |
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| - Periodic Safety Management Review |
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The implementation system of the periodic inspection conducted by utilities at nuclear power plants is reviewed. |
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| - Welding Safety Management Review |
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For welding of important systems, equipments etc. during the construction of nuclear power plants, the implementation system of inspection on welding operators, conducted by utilities are reviewed. |
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| - Welding Inspection |
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During the construction of reactors and fuel material use facilities, etc. at the research and development stage, welding of important systems, equipments etc. are verified for their conformity to the technical standards. |
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| - Confirmation on Consignments and Transportation Methods |
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Consignments and transportation methods for shipping nuclear fuel materials or other radioactive materials from nuclear power plants or other facilities*2 are verified for their conformity to the technical standards. |
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| - Confirmation of Outside Disposal |
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Measures to dispose radioactive wastes and materials outside nuclear power plants or other facilities are verified for their conformity to the technical standards. |
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| *2 Include nuclear power plants, refinement facilities, processing facilities, reprocessing facilities, spent-fuel storage facilities, waste burial facilities, waste management facilities, nuclear fuel material use facilities, etc. |
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| Spot Inspection |
Training at the
Nuclear Safety Training Center |
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| 3. Activities Conducted in Accordance with Instructions from the National Government |
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| - Spot Inspection |
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When the National Government gives instructions to JNES, the organization will conduct inspection of important facilities and equipments in accordance with instruction. |
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| Activities Related to Technical Assistance to the Nuclear and Industrial Safety Agency (NISA) |
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| - Confirmation of maintenance plan description |
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Conducts a verification of validity with regard to the inspection plan for the facilities and equipments of each nuclear power station. |
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| Efforts for Improving Capabilities as the Inspection Experts Organization |
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| - Inspection Experts Organization |
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The accredited inspectors, who are strictly qualified,
continue studies with systematic training and lectures adapted to their individual abilities.
Further, training courses allowing attendants to become prepared for enhanced maintenance are carried out at the Nuclear Safety Training Center. |
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