Process Safety · Work within the barriers

Operating integrity

Plant is operated inside its safe operating envelope, and work is controlled so that barriers are not bypassed, defeated or overloaded. When a barrier is overridden, the override is authorised and controlled. When prevention fails, emergency response mitigates the consequences.

“Does this document create a barrier against a major accident, keep one working, keep work inside one, or build the people who do?”

  • Operating philosophy, manuals and operating procedures
  • Control of work, permit to work and isolations
  • Override of safeguarding systems; operational risk assessment
  • Contractor, marine and aviation operations at the worksite
  • Emergency response, pollution response and incident reporting
  • Maintenance of the barriers themselves (Asset integrity)
  • Occupational safety that does not bear on a major accident (outside this lens)
Engineering 1
  • STElectrical Safety RulesStationIAEA GSR Part 2 · 10 · ONR Licence Conditions · Operating instructions
Operations & Maintenance 23
  • STStation Operating RulesReactor unitIAEA GSR Part 2 · 10 · ONR Licence Conditions · Operating rules · Nuclear Safety Case · Operating Rules
  • STOperating Instructions StandardIAEA GSR Part 2 · 08 · ONR Licence Conditions · Operating instructions
  • STConduct of Operations StandardStationIAEA GSR Part 2 · 12 · ONR Licence Conditions · Control of operations
  • STReactivity Management StandardStationIAEA GSR Part 2 · 10 · ONR Licence Conditions · Control of operations
  • STSafety Rules for Work on PlantStationIAEA GSR Part 2 · 10 · ONR Licence Conditions · Operating instructions
  • PROperating Rules Compliance ProcedureStationIAEA GSR Part 2 · 10 · ONR Licence Conditions · Operating rules
  • PRNormal Operating Procedures: Reactor Start-upReactor unitIAEA GSR Part 2 · 10 · ONR Licence Conditions · Operating instructions
  • PRNormal Operating Procedures: Power OperationReactor unitIAEA GSR Part 2 · 10 · ONR Licence Conditions · Operating instructions
  • PRNormal Operating Procedures: Shutdown and CooldownReactor unitIAEA GSR Part 2 · 10 · ONR Licence Conditions · Operating instructions
  • PREmergency Operating ProceduresReactor unitIAEA GSR Part 2 · 10 · ONR Licence Conditions · Operating instructions · Nuclear Safety Case · Operating Rules
  • PRSevere Accident Management GuidelinesReactor unitIAEA GSR Part 2 · 10 · ONR Licence Conditions · Emergency arrangements · Nuclear Safety Case · Emergency
  • PRControl and Supervision of Operations ProcedureStationIAEA GSR Part 2 · 10 · ONR Licence Conditions · Control of operations
  • PRShift Handover ProcedureStationIAEA GSR Part 2 · 10 · ONR Licence Conditions · Control of operations
  • PRPlant Status Control ProcedureStationIAEA GSR Part 2 · 10 · ONR Licence Conditions · Control of operations
  • PROperational Decision Making ProcedureStationIAEA GSR Part 2 · 12 · ONR Licence Conditions · Control of operations
  • PROperational Records ProcedureStationIAEA GSR Part 2 · 08 · ONR Licence Conditions · Operational records
  • PRPermit to Work ProcedureStationIAEA GSR Part 2 · 10 · ONR Licence Conditions · Operating instructions
  • PRForeign Material Exclusion ProcedureStationIAEA GSR Part 2 · 10 · ONR Licence Conditions · Operating instructions
  • PROutage Nuclear Safety Risk AssessmentReactor unitIAEA GSR Part 2 · 10 · ONR Licence Conditions · Periodic shutdown
  • PRShutdown of Specified Operations ProcedureStationIAEA GSR Part 2 · 10 · ONR Licence Conditions · Directed shutdown
  • PROperating Experience ProgrammeIAEA GSR Part 2 · 13 · ONR Licence Conditions · Incidents
  • PRField Operator RoundsReactor unitIAEA GSR Part 2 · 10 · ONR Licence Conditions · Control of operations
  • SUStation Log and Operational Records RetentionStationIAEA GSR Part 2 · 08 · ONR Licence Conditions · Operational records
Nuclear Safety 3
  • PREvent Reporting and Notification to the RegulatorIAEA GSR Part 2 · 13 · ONR Licence Conditions · Incidents
  • PREvent Investigation and Root Cause Analysis ProcedureIAEA GSR Part 2 · 13 · ONR Licence Conditions · Incidents
  • PRNuclear Safety Performance IndicatorsIAEA GSR Part 2 · 13
Radiological Protection 3
  • STPrimary Circuit Chemistry Control LimitsReactor unitIAEA GSR Part 2 · 10 · ONR Licence Conditions · Operating rules · Nuclear Safety Case · Operating Rules
  • PREffluent Monitoring and Discharge ProcedureStationIAEA GSR Part 2 · 10 · ONR Licence Conditions · Leakage & escape
  • PRChemistry Sampling and Analysis ProcedureReactor unitIAEA GSR Part 2 · 10 · ONR Licence Conditions · EMIT
HSSE 7
  • STEmergency Arrangements StandardIAEA GSR Part 2 · 10 · ONR Licence Conditions · Emergency arrangements · Nuclear Safety Case · Emergency
  • STContractor Safety Management StandardIAEA GSR Part 2 · 11
  • PRSite Emergency PlanStationIAEA GSR Part 2 · 10 · ONR Licence Conditions · Emergency arrangements · Nuclear Safety Case · Emergency
  • PREmergency Exercise ProgrammeStationIAEA GSR Part 2 · 13 · ONR Licence Conditions · Emergency arrangements
  • PRFire Safety Management ProcedureStationIAEA GSR Part 2 · 10
  • SUEmergency Response Organisation and Duty RotaStationIAEA GSR Part 2 · 09 · ONR Licence Conditions · Emergency arrangements · Nuclear Safety Case · Emergency
  • SUInformation for the Off-site Emergency PlanStationIAEA GSR Part 2 · 05 · ONR Licence Conditions · Emergency arrangements · Nuclear Safety Case · Emergency
Fuel & Waste 5
  • STSpent Fuel Storage Operating RulesReactor unitIAEA GSR Part 2 · 10 · ONR Licence Conditions · Operating rules · Nuclear Safety Case · Operating Rules
  • PRNew Fuel Receipt and Inspection ProcedureReactor unitIAEA GSR Part 2 · 10 · ONR Licence Conditions · Nuclear matter on site
  • PRFuel Route Operating InstructionsReactor unitIAEA GSR Part 2 · 10 · ONR Licence Conditions · Operating instructions
  • PRAccumulation of Radioactive Waste ProcedureStationIAEA GSR Part 2 · 10 · ONR Licence Conditions · Waste accumulation
  • PRDisposal of Radioactive Waste ProcedureStationIAEA GSR Part 2 · 10 · ONR Licence Conditions · Waste disposal
Commercial 1
  • PRContractor Management ProcedureIAEA GSR Part 2 · 11
Business Services 1
  • STOperational Data Historian StandardStationIAEA GSR Part 2 · 08 · ONR Licence Conditions · Operational records