{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-13T04:06:09Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 3, "engine": "claude", "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T10:00:00Z", "ingestedAt": "2026-10-06T07:05:45+00:00", "fields": [ "agent_conduct", "ethics", "owners" ] }, "revisions": [ { "at": "2026-10-06T22:32:49+00:00", "engine": "codex", "fields": [ "definition" ], "answering_review": "fbfb72916cb36717df14cafc37f8240955bc4c08fd48ce9e102974af4401fad1" } ], "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T10:10:25+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q1309811", "registryId": "vr.tr.containment-building", "name": "containment building", "version": "0.2.0-wave.3", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.BLT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q1309811/", "model": { "registry_id": "vr.tr.containment-building", "name": "containment building", "purpose": "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.", "definition": "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.", "what_it_is_for": "Confining radioactive material in accidents.", "affordances": [ "explain function and types", "relay regulation", "describe historical lessons", "distinguish from related structures" ], "distinguishing_features": [ "Pressure-resistant shell", "Defence in depth layer", "Leak-tightness testing", "External hazard resistance" ], "appearance": "A large dome or cylinder of concrete around a reactor.", "visual_identification": [ "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" ], "physical_properties": [ { "quantity": "typical wall thickness", "typical_range": "about 1-1.5", "unit": "m", "note": "concrete" }, { "quantity": "design pressure", "typical_range": "about 3-5", "unit": "bar", "note": "large dry containments" }, { "quantity": "Fukushima Daiichi containment type", "typical_range": "Mark I", "unit": "design", "note": "pressure suppression" } ], "families_and_kinds": [ "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" ], "related_models": [ { "relation": "is a kind of", "target": "nonbuilding structure", "why": "in registry terms" }, { "relation": "encloses", "target": "nuclear reactor", "why": "and its pressure vessel" }, { "relation": "is part of", "target": "defence in depth", "why": "in nuclear safety" }, { "relation": "is regulated by", "target": "nuclear regulatory authority", "why": "in each country" } ], "identifiers": [], "standards_and_regulation": [ "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" ], "failure_modes_and_hazards": [ "Overpressure and hydrogen explosions, as at Fukushima", "Absence of containment, as at Chernobyl", "Agents providing security-sensitive detail", "Ageing and concrete degradation" ], "in_scope": [], "out_of_scope": [], "characteristics": [], "agent_conduct": { "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." ], "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." ], "requires_human": [ "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." ] }, "ethics": { "considerations": [ "A containment failure can harm whole regions for generations.", "Public trust depends on honest reporting of nuclear incidents, neither alarmist nor dismissive." ], "affected_parties": [ "Plant workers", "Residents near the plant", "Future generations" ] }, "owners": { "steward": "The licensed plant operator; the national nuclear regulator oversees its safety.", "master_systems": [ "National nuclear regulator licensing records" ] } }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q1309811: containment building", "url": "https://www.wikidata.org/wiki/Q1309811", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Containment building", "url": "https://en.wikipedia.org/wiki/Containment_building", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "understand", "name": "Understand", "description": "What a containment building is.", "rationale": "Definition.", "layers": [ { "id": "definition", "name": "Definition", "description": "Definition and function.", "findings": [ { "id": "definition-finding", "name": "Definition", "description": "Definition.", "questions": [ { "text": "What is a containment building, and how does it confine radioactive material in an accident?", "kind": "definition" }, { "text": "Is the question about containment in general or about security-sensitive detail the model does not cover?", "kind": "boundary" } ] } ] }, { "id": "types", "name": "Types", "description": "Types.", "findings": [ { "id": "types-finding", "name": "Types", "description": "Types.", "questions": [ { "text": "How do large dry, pressure suppression, ice condenser and double containments differ?", "kind": "definition" }, { "text": "Which entry fits the specific type?", "kind": "action" } ] } ] } ] }, { "id": "regulate", "name": "Regulate", "description": "Safety and regulation.", "rationale": "Regulation.", "layers": [ { "id": "standards", "name": "Standards", "description": "Standards.", "findings": [ { "id": "standards-finding", "name": "Standards", "description": "Standards.", "questions": [ { "text": "What IAEA and national standards govern containment design, testing and inspection?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "testing", "name": "Testing", "description": "Testing and ageing.", "findings": [ { "id": "testing-finding", "name": "Testing", "description": "Testing.", "questions": [ { "text": "How are containments leak-tested and monitored for ageing?", "kind": "provenance" }, { "text": "Which entry fits nuclear plant ageing management?", "kind": "action" } ] } ] } ] }, { "id": "lessons", "name": "Lessons", "description": "Historical lessons.", "rationale": "Attribution.", "layers": [ { "id": "accidents", "name": "Accidents", "description": "Accidents.", "findings": [ { "id": "accidents-finding", "name": "Accidents", "description": "Accidents.", "questions": [ { "text": "What did Three Mile Island, Chernobyl and Fukushima show about containment, as investigations describe?", "kind": "provenance" }, { "text": "Which sources are cited?", "kind": "provenance" } ] } ] }, { "id": "improvements", "name": "Improvements", "description": "Improvements.", "findings": [ { "id": "improvements-finding", "name": "Improvements", "description": "Improvements.", "questions": [ { "text": "What improvements such as filtered venting and hydrogen recombiners followed?", "kind": "provenance" }, { "text": "Which entry fits nuclear safety?", "kind": "action" } ] } ] } ] }, { "id": "context", "name": "Context", "description": "Engineering and future.", "rationale": "Context.", "layers": [ { "id": "engineering", "name": "Engineering", "description": "Construction.", "findings": [ { "id": "engineering-finding", "name": "Engineering", "description": "Engineering.", "questions": [ { "text": "How are containments built with prestressed concrete and steel liners?", "kind": "provenance" }, { "text": "Which entry fits prestressed concrete?", "kind": "action" } ] } ] }, { "id": "future", "name": "Future", "description": "New designs.", "findings": [ { "id": "future-finding", "name": "Future", "description": "Future.", "questions": [ { "text": "How do small modular and advanced reactors approach containment?", "kind": "provenance" }, { "text": "Which entry fits small modular reactor?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should pressure suppression containment be a separate entry?", "How should public nuclear safety sources be linked?", "How should post-accident confinements be recorded?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }