Regional Basic Professional Training Course in Korea

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Regional Basic Professional Training Course (BPTC) on Nuclear Safety cover aspects related to the radiological safety of the general public and site personnel and give general requirements for organization of the Regulatory Body, the role and responsibilities of the Regulatory Body, the basic requirements imposed on an applicant, the licensing process and licensing decisions, and inspection and enforcement by the Regulatory Body Siting: The requirements deal with the evaluation of site‐related factors to be taken into account to ensure that the plant‐site combination does not constitute an unacceptable risk during the life time of the plant. This includes evaluation of the potential effect on the site of natural and other phenomena that might affect the area (i.e. earthquakes, floods, aircraft crashes, chemical explosions), evaluation of effects of the plant itself on the site (i.e. dispersion of effluents in air and water), and consideration of population distribution and emergency planning. The Code also covers the role of the owner of the future plant and the regulatory body in siting. Design: The requirements give the basic safety requirements that must be incorporated in the concept and in the detailed design in order to produce a safe plant. Following general practice, the requirements present the concept of defense in depth, e.g. successive barriers to prevent the escape of radioactive material. In case of the failure of a barrier, design provisions are made available to mitigate the consequences of such failures. Operation: The prime responsibility for the safety of the plant rests with the operating organization. This is the basic concept underlining the requirements for operation. The requirements deal with safety related aspects of operation including: operating limits and conditions, commissioning, structure of the operating organization, operating instructions and procedures, maintenance, testing, inspection, core management and fuel handling, review of operation and feedback of experience, emergency preparedness, radiation protection and decommissioning. ❙ 132 ❙
❙ 133 ❙ 3. Basic Principles Of Nuclear Safety Quality assurance: The requirements specified in the quality assurance (QA) Code provide an efficient management tool that could be used by both the plant management and the regulatory organization to gain confidence in the safety and quality of a nuclear power plant. The QA requirements oblige plant designers, constructors, installers and operators to plan, conduct, and document their work systematically. This allows the verification of all activities not only by physical inspection or testing of hardware in the plant but also through indirect methods such as evaluation of the effectiveness of the respective QA programmes. 3.1.3. National and international institutions for standardization Although they are not legally binding on Member States the IAEA Safety Standards are written in a way that they could be adopted by Member States for use in national regulations and guidance material. The standards are consensus documents between the Member States’ governments. In addition to these internationally agreed safety standards there are also industrial standards. A number of national but also international institutions develop these technical standards. Well know examples of international institutions are the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC). To avoid duplication and to ensure a consistent approach, co‐operation between the IAEA and these international institutions is controlled through well established liaison channels. This cooperation has been established through a Memorandum of Understanding (IAEA/ISO) or a written agreement (IAEA/IEC). The IAEA/ISO co‐operation reads: “The ISO recognizes the responsibilities of the IAEA ... in particular with regard to the
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1. Nuclear Reactor Principles · 1
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1. Nuclear Reactor Principles Regio
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Table 1.2. Average cross sections f
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1. Nuclear Reactor Principles ❙ 7
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energy of the fuel nuclei. ❙ 9
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❙ 11 ❙ 1. Nuclear Reactor Princ
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1 Bq = 2.7x10 -5 µCi = 2.7x10 -8 m
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1.1.5. Natural radioactive series
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238 U 92+ 1 n0 -----> 135 Te 52 + 9
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σ t = σ s + σ a = σ elastic +
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FIG. 1.10. And here in the 1keV to
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1.2.3.2. Neutron emission in fissio
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Three possible states could then be
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TABLE 1.3. Slowing down efficiency
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1 UNGG/AGR CANDU PWR/BWR TABLE 1.5.
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✼✼✼ REFERENCES ✼✼✼ ❙
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2.1. Introduction C O N T E N T S 2
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2. Radiation Protection 2.1. Introd
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2.2.1. Exposure ❙ 61 ❙ 2. Radia
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❙ 63 ❙ 2. Radiation Protection
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2.2.4. Effective dose ❙ 67 ❙ 2.
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schematically in Fig. (2.7). ❙ 77
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Regional Basic Professional Trainin
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C O N T E N T S | Table of Contents
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❙ 221 ❙ 4. DESIGN OF NUCLEAR RE
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4.1.1.2. The concept of defence in
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4.1.2. Requirements for management
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administrative control. ❙ 231 ❙
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Design basis accidents ❙ 237 ❙
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Single failure criterion ❙ 239
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Deterministic approach The determin
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accidents, with account taken of th
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Fuel elements and assemblies Fig. 4
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Reactor shutdown ❙ 251 ❙ 4. DES
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functional in the event of a severe
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4.1.5.4. Instrumentation and contro
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4.1.5.9. Radiation protection Gener
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Operation at a power level < 1 MW.
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of these exchangers, the water is c
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Fig. 4.11. HANARO Core Pool Fig. 4.
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4.2.6.2.3 Reactor Systems ❙ 295
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4.2.6.5. Neutron Activity Analysis
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❏ physical separation. ❙ 303
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5. Siting Considerations Regional B
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5.4.2. Sources of risk 5.4.3. Evalu
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6. Safety Classification Of Structu
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Safety functions necessary to preve
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6.1.3. Principal Safety Classes 6.
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function; 6. Safety Classification
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the safety function would be requir
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6.3.2. Description of Quality Group
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6.4.3. Seismic category 1: 6.4.3.1.
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7. Quality Assurance Regional Basic
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7.5.1. Manufacture Quality Assuranc
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C O N T E N T S 8.1. INTRODUCTION |
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❙ 471 ❙ 8-A. Deterministic Acci
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guidelines for this categorization.
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Table 8‐3 Typical Initial Conditi
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8.5.3. Decrease in Reactor Coolant
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or by operator error, often during
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8-B. Deterministic Accident Analysi
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| List of Tables | Table 8.7‐1 Ru
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❙ 509 ❙ 8-B. Deterministic Acci
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SG Containment RCP RCP RCP SIT SIT
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8.2.5. Evaluation Model ❙ 521 ❙
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Figure 8.7‐7 Flow chart of KREM
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Cladding Temperature (K 1300 1200 1
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8.8.1.6. Loop Seal Formation and Cl
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to ECCS injection time using CEFLAS
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Table 8.8‐2 SBLOCA Break Spectrum
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F TEMPERATURE, o 0 100 200 300 400
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8.8.2.2.3 RELAP5‐sEM Methodology
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9. Probabilistic Safety Analysis Re
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9.4. LEVEL 2 PSA 9.4.1. Objectives
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performance, correct set points, an
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injecting borated water into the pr
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Positive reactivity insertion rates
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10.4.3.3. Canadian type NPP ❙ 655
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2) Safety Limits and Safety System
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the technical specifications is not
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10-B. Technical Specifications for
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10.7.7.1. Monitoring Systems 10-B.
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10.8.1. Reactor Core Parameters 10-
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10.8.6. Emergency Power 10-B. Techn
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authorized by responsible authority
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11. Human Performance: A Perspectiv
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Figure 11.1 Model of violation Figu
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12. Surveillance Programmes Regiona
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12.4. IMPLEMENTATION 12.4.1. Genera
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13.Maintenance Management in KHNP R
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15. Operational Safety 15.1. IAEA S
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and modified if required. ❙ 837
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15.2.2. Organization and functions
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− Temporary and permanent plant m
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Operating procedures and instructio
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Off‐normal conditions are easily
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15.2.6. Work authorizations ❙ 859
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conventional hazards at the point o
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commissioning process. ❙ 869 ❙
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Monitoring of initiatives in progre
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16. In‐Plant Accident Management
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is to place the plant in a safe, st
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each a final stable and controlled
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this stage. Control rod degradation
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Pressurization of the containment
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Fractional Relase Fractional Relase
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✼✼✼ REFERENCES ✼✼✼ ❙
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19. Decommissioning Regional Basic
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| List of Tables | Table 1. Stages
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20.1. Introduction C O N T E N T S
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21. Safety Culture Regional Basic P
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21. Safety Culture 21.1. DEFINITION
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FIG. 21.1. Basic elements of safety
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❙ 1059 ❙ 21. Safety Culture Ult
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Obtaining useful information from o
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terms of what they do. There is an
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Consequently, people also understan
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organization e.g. contractors. ❙
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21.4. MANAGEMENT OF SAFETY 21.4.1.
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subdivided in 4 sub‐objectives, w
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21.4.4. Specific safety management
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21.4.4.5. Self assessment ❙ 1089
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AtomCARE Regional Basic Professiona
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AtomCARE 1. OVERVIEW OF NATIONAL RA
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❙ 1121 ❙ AtomCARE The RETAC of
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2.1.4. Component Modules (Configura
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Classification Major Functions Tech
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❙ 1131 ❙ AtomCARE containment b
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❙ 1133 ❙ AtomCARE b) Monitors a
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a) Calculates the distribution of t
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❙ 1137 ❙ AtomCARE telephone or
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Introduction Of e‐FAST and Exerci
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| List of Figures | Fig. 1.1 Schema
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C O N T E N T S 1.1. OVERVIEW OF TH
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❙ 1181 ❙ Nuclear Safety Informa
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1. Overview of OPiS C O N T E N T S
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