Challenges and Approaches for Selecting, Assessing and Qualifying Commercial Industrial Digital Instrumentation and Control Equipment for Use in Nuclear Power Plant Applications

Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: IAEA
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Havertown : International Atomic Energy Agency, 2020.
Colección:IAEA Nuclear Energy Ser.
Temas:
Nuclear power plants > Equipment and supplies.
Electronic books.
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Intro
  • 1. INTRODUCTION
  • 1.1. Background
  • 1.2. Objective
  • 1.3. Scope
  • 1.4. Structure
  • 2. Challenges associated with commercial industrial DIGITAL Instrumentation and Control equipment
  • 2.1. Challenges in the use of commercial off the shelf devices
  • 2.1.1. Complexity of the component, multifunction, primary and support functions
  • 2.1.2. Common cause failure considerations
  • 2.2. Specific hardware and software vulnerabilities of digital commercial off the shelf devices
  • 2.2.1. Potential new failure modes and hazards
  • 2.2.2. Identification of embedded digital devices with undeclared content
  • 2.2.3. Counterfeit, fraudulent and suspect items
  • 2.2.4. Computer security considerations
  • 2.3. Organizational challenges
  • 2.3.1. Procurement and definition of safety requirements with contractual ties
  • 2.3.2. Device selection
  • 2.3.3. Generic and limited justification/qualification
  • 2.3.4. Evidence required to address the commercial off the shelf device's justification
  • 2.3.5. Change management
  • 2.3.6. Lack of qualified and experienced personnel
  • 3. Strategy for the justification of commercial industrial instrumentation and control equipment
  • 3.1. Key elements to consider in the definition of the justification strategy
  • 3.1.1. Definition of the justification envelope
  • 3.1.2. Assessment of a commercial off the shelf device
  • 3.1.3. Integration of the commercial off the shelf device in the overall instrumentation and control architecture
  • 3.2. Other considerations for defining a justification strategy
  • 3.2.1. Evidence
  • 3.2.2. Selection of personnel involved in the justification
  • 3.2.3. Graded approach
  • 3.2.4. Generic versus specific justifications of a commercial off the shelf device
  • 3.2.5. Computer security
  • 3.2.6. Engineering judgement
  • 4. Justification process
  • 4.1. Step 1: Defining requirements and prerequisites
  • 4.2. Step 2: Selecting candidate devices
  • 4.3. Step 3: Obtaining manufacturer information and support
  • 4.4. Step 4: Planning
  • 4.5. Step 5: Assessing
  • 4.5.1. Quality assurance, development and manufacturing processes
  • 4.5.2. Functional, performance and dependability assessment
  • 4.5.3. Vulnerabilities and failure modes assessment
  • 4.5.4. Environmental and seismic qualification
  • 4.5.5. Independent complementary assessment
  • 4.6. Step 6: Identifying lifetime issues
  • 4.7. Step 7: Preparing the justification documentation package
  • 5. Maintenance of justification
  • 5.1. Overview
  • 5.2. Change and defect reporting
  • 5.2.1. Item certification maintenance
  • 5.2.2. Regulatory defect reporting responsibility
  • 5.3. Periodic quality assurance measures
  • 5.4. Security management
  • 5.5. Configuration management
  • 5.5.1. Changes to hardware
  • 5.5.2. Changes to software

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