Health and Safety Executive

Nuclear Directorate (ND) Permissioning inspection - Technical assessment guides

The guides available below are the latest issues.  As revised versions are produced they will replace the older versions. 

Should an earlier issue be required, please request it via ndenquiries@hse.gov.uk."

Class Definition
T/AST/FWD Foreword
T/AST/002 Radiation Shielding
T/AST/003 Safety Systems
T/AST/004 Fundamental principles
T/AST/005 ND Guidance on the Demonstration of ALARP (As Low As Reasonably Practicable)
T/AST/006 Deterministic safety analysis and the use of engineering principles in safety assessment
T/AST/008 Safety categorisation and equipment qualification
T/AST/009 Maintenance, inspection and testing of safety systems, safety related structures and components
T/AST/010 Early initiation of safety systems
T/AST/011 The single failure criterion
T/AST/013 External hazards
T/AST/014 Internal hazards
T/AST/015 Electromagnetic compatibility
T/AST/016 Integrity of Metal Components and Structures
T/AST/017 Structural integrity: civil engineering aspects
T/AST/018 Criticality Warning Systems
T/AST/019 Containment: Essential services
T/AST/020 Containment: Reactor Plant
T/AST/021 Containment: Chemical plants
T/AST/022 Ventilation
T/AST/023 Control of processes involving nuclear matter
T/AST/024 Management of radioactive materials and radioactive waste on nuclear licensed sites
T/AST/026 Decommissioning on nuclear licensed sites
T/AST/027 Assessment of licensees' arrangements for training and assuring personnel competence
T/AST/028 Control and instrumentation aspects of nuclear plant commissioning
T/AST/029 Graphite reactor cores
T/AST/030 Probabilistic Safety Analysis
T/AST/033 Licensee management of records
T/AST/034 Transient analysis for DBAs in nuclear reactors
T/AST/035 The Limits and Conditions for Nuclear Plant Safety
T/AST/036 Diversity, redundancy, segregation and layout of mechanical plant
T/AST/037 Heat transporter systems
T/AST/038 Radiological protection
T/AST/039 Management for safety
T/AST/041 Criticality Safety
T/AST/042 Containment: Validation of computer codes and calculation methods
T/AST/043 Radiological Analysis – Normal Operation
T/AST/044 Fault analysis
T/AST/045 Radiological analysis – Fault conditions
T/AST/046 Computer based safety systems
T/AST/048 Licence condition 36 arrangements
T/AST/049 Licensee use of contractors and intelligent customer capability
T/AST/050 Periodic safety reviews (PSRs)
T/AST/051 Guidance on the purpose, scope and content of nuclear safety cases
T/AST/056 Nuclear Lifting Operations
T/AST/057 Design safety assurance
T/AST/065 Function and content of the Nuclear Baseline
T/AST/072 Function and content of a safety management prospectus
T/AST/077 Procurement of nuclear safety related items or services

Quick links

Ask an expert 0845 345 0055

Health and Safety Executive
Caerphilly Business Park
Caerphilly CF83 3GG

Directgov - Business Link

Updated 14.10.09