containment building
Let an agent explain containment buildings and their role in nuclear safety, relay design types and regulation from public nuclear safety sources without operational detail, describe historical lessons, and distinguish containment from reactor vessels and confinement structures.
Bundle → Layer → Finding → Questions Filled
4 bundles · 8 layers · 8 findings · 16 questions
Understand What a containment building is.
Definition
Definition and function.
Definition
Definition.
- What is a containment building, and how does it confine radioactive material in an accident? definition
- Is the question about containment in general or about security-sensitive detail the model does not cover? boundary
Types
Types.
Types
Types.
- How do large dry, pressure suppression, ice condenser and double containments differ? definition
- Which entry fits the specific type? action
Regulate Safety and regulation.
Standards
Standards.
Standards
Standards.
- What IAEA and national standards govern containment design, testing and inspection? provenance
- Which references are standard? provenance
Testing
Testing and ageing.
Testing
Testing.
- How are containments leak-tested and monitored for ageing? provenance
- Which entry fits nuclear plant ageing management? action
Lessons Historical lessons.
Accidents
Accidents.
Accidents
Accidents.
- What did Three Mile Island, Chernobyl and Fukushima show about containment, as investigations describe? provenance
- Which sources are cited? provenance
Improvements
Improvements.
Improvements
Improvements.
- What improvements such as filtered venting and hydrogen recombiners followed? provenance
- Which entry fits nuclear safety? action
Context Engineering and future.
Engineering
Construction.
Engineering
Engineering.
- How are containments built with prestressed concrete and steel liners? provenance
- Which entry fits prestressed concrete? action
Future
New designs.
Future
Future.
- How do small modular and advanced reactors approach containment? provenance
- Which entry fits small modular reactor? action
Classifiers Filled
- Family
- Thing Registry
- Category
- Physical world and living systems
- Entry kind
- thing
- Plane
- PHY
- Domain
- PHY.BLT
What it is Filled
A large reinforced concrete or steel structure enclosing a nuclear reactor, designed to confine radioactive material in the event of an accident by withstanding internal pressure and temperature and external hazards specified by its design and applicable requirements, with aircraft impact resistance depending on those requirements and the design, in forms including large dry containments, pressure suppression containments of boiling water reactors and double containments, with the Chernobyl reactor famously lacking a full containment; containment buildings are a key layer of defence in depth and are tested and inspected throughout plant life.
Why it exists Filled
Let an agent explain containment buildings and their role in nuclear safety, relay design types and regulation from public nuclear safety sources without operational detail, describe historical lessons, and distinguish containment from reactor vessels and confinement structures.
Distinguishing features Filled
- Pressure-resistant shell
- Defence in depth layer
- Leak-tightness testing
- External hazard resistance
What robots and AI may and may not do Filled
Must not
- Provide security-sensitive detail on the vulnerabilities, layout or protection of a specific containment.
- Assist in any attempt to breach, sabotage or attack a nuclear facility.
- Override, silence or alter safety instrumentation or alarms at a plant.
- State that a containment is safe or unsafe beyond what the regulator has published.
Only with a human decision
- Any action affecting the operation of a nuclear plant, which belongs to licensed operators.
- Public statements about the condition of a containment during an incident.
May
- Explain the purpose of reactor containment and its general types from regulatory and engineering sources.
- Relay public accident history, such as Chernobyl and Fukushima, with attribution.
- Report readings the agent is authorized to monitor to the plant's operators.
Moral aspects Filled
- A containment failure can harm whole regions for generations.
- Public trust depends on honest reporting of nuclear incidents, neither alarmist nor dismissive.
Who is affected
- Plant workers
- Residents near the plant
- Future generations
Owners Filled
Steward
The licensed plant operator; the national nuclear regulator oversees its safety.
Master systems
- National nuclear regulator licensing records
Links to other meta-models Filled
parent
- Q1322402 - registry parent class
related
- nonbuilding structure - in registry terms
- nuclear reactor - and its pressure vessel
- defence in depth - in nuclear safety
- nuclear regulatory authority - in each country
What else AI and robots need to interact with it Filled
Identity and identifiers required Filled
- Vercy registry: vr.tr.containment-building
- Wikidata: Q1309811 (https://www.wikidata.org/wiki/Q1309811)
Direct properties required Filled
- typical wall thickness: about 1-1.5 m - concrete
- design pressure: about 3-5 bar - large dry containments
- Fukushima Daiichi containment type: Mark I design - pressure suppression
Recognition required Filled
- Structure confining a nuclear reactor
- Large dry, pressure suppression and double containments; confinement buildings
- The reactor pressure vessel is inside; cooling towers are separate; the Chernobyl sarcophagus is a post-accident confinement
- A large dome or cylinder of concrete around a reactor.
Capabilities and actions required Filled
- explain function and types
- relay regulation
- describe historical lessons
- distinguish from related structures
Hazards and failure modes required Filled
- Overpressure and hydrogen explosions, as at Fukushima
- Absence of containment, as at Chernobyl
- Agents providing security-sensitive detail
- Ageing and concrete degradation
Standards and interfaces required Filled
- IAEA safety standards
- National nuclear regulations such as US 10 CFR 50 Appendix J
- ASME and RCC-CW design codes
- Periodic leak rate testing requirements
Context of use required Filled
- Confining radioactive material in accidents.
- large dry containments of pressurised water reactors
- pressure suppression containments of boiling water reactors
- ice condenser containments
- double containments with annulus
- steel containments
- confinement buildings of some reactor designs
- post-accident confinements such as the Chernobyl New Safe Confinement
Sources Filled
- Wikidata item Q1309811: containment building - identity and sense of the item
- Wikipedia: Containment building - general description of the item
Open questions
- Should pressure suppression containment be a separate entry?
- How should public nuclear safety sources be linked?
- How should post-accident confinements be recorded?
Machine files
Provenance
thing registry research (pass 2) · unreviewed
Built from: models/things/publications/thing-q1309811/spec.json