{
  "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": "2026-10-06T07:05:07+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:51:56+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q2016031",
    "registryId": "vr.tr.offshore-construction",
    "name": "offshore construction",
    "version": "0.2.0-wave.3",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.BLT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q2016031/",
  "model": {
    "registry_id": "vr.tr.offshore-construction",
    "name": "offshore construction",
    "purpose": "Let an agent explain offshore construction and its methods, relay structure types, vessels and standards from engineering sources, describe the shift to offshore wind, and distinguish offshore construction from coastal and port engineering.",
    "definition": "The installation of structures and facilities in a marine environment, including fixed and floating platforms for oil and gas production, offshore wind turbines and their foundations, subsea pipelines and cables, artificial islands and historical structures such as the Texas Tower radar platforms of the 1950s, carried out with specialised vessels such as jack-up rigs, heavy-lift crane ships and pipelay vessels; offshore construction faces extreme weather, corrosion and logistics challenges and is governed by maritime and industry standards.",
    "what_it_is_for": "Building structures at sea.",
    "affordances": [
      "explain methods and structures",
      "relay vessels and standards",
      "describe offshore wind",
      "distinguish from coastal engineering"
    ],
    "distinguishing_features": [
      "Marine environment",
      "Specialised vessels",
      "Fixed and floating structures",
      "Weather windows"
    ],
    "appearance": "Platforms, turbines and vessels at sea.",
    "visual_identification": [
      "Building structures in the marine environment",
      "Oil and gas platforms, wind turbine foundations, pipelines, artificial islands, Texas Towers",
      "Coastal engineering builds on the shore; shipbuilding builds vessels; port engineering builds harbours"
    ],
    "physical_properties": [
      {
        "quantity": "deepest fixed platform",
        "typical_range": "about 500",
        "unit": "m",
        "note": "Petronius"
      },
      {
        "quantity": "largest offshore wind turbines",
        "typical_range": "about 15",
        "unit": "MW",
        "note": "installed"
      },
      {
        "quantity": "Texas Towers built",
        "typical_range": "1955-1958",
        "unit": "period",
        "note": ""
      }
    ],
    "families_and_kinds": [
      "fixed steel jacket and concrete gravity platforms",
      "floating production systems and semi-submersibles",
      "offshore wind foundations: monopiles, jackets and floating platforms",
      "subsea pipelines and cables",
      "artificial islands and reclamation",
      "historical structures such as the Texas Tower radar platforms"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "built structure",
        "why": "in registry terms"
      },
      {
        "relation": "is a branch of",
        "target": "marine engineering",
        "why": "and civil engineering"
      },
      {
        "relation": "serves",
        "target": "offshore wind power",
        "why": "and oil and gas"
      },
      {
        "relation": "uses",
        "target": "heavy-lift vessel",
        "why": "and jack-up rigs"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "DNV, API and ISO 19900 series offshore structure standards",
      "National offshore safety regulations",
      "Environmental impact assessment and marine spatial planning",
      "Decommissioning rules such as OSPAR"
    ],
    "failure_modes_and_hazards": [
      "Structural failure in storms, as with Texas Tower 4 in 1961",
      "Worker safety at sea",
      "Environmental impacts on marine life",
      "Decommissioning liabilities"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Explain offshore construction methods, structures and stages in general terms from industry sources.",
        "Monitor and report weather, sea state and structural data for a site it is authorized to observe.",
        "Report incidents, leaks or harm to marine life to the operator and regulator."
      ],
      "must_not": [
        "Operate cranes, vessels or diving systems at an offshore site without authorization from the operator.",
        "Hide or downplay structural, safety or environmental incidents.",
        "Approve work in conditions beyond the limits set by the site safety rules.",
        "Leave decommissioned structures or debris on the seabed against the permit."
      ],
      "requires_human": [
        "Stopping or resuming offshore work because of weather or safety.",
        "Evacuating personnel from an installation."
      ]
    },
    "ethics": {
      "considerations": [
        "Workers at sea face storms, falls and isolation; their safety comes before schedule.",
        "Offshore works disturb marine life and fisheries that others depend on."
      ],
      "affected_parties": [
        "Offshore workers",
        "Fishing communities",
        "Marine wildlife"
      ]
    },
    "owners": {
      "steward": "The operator of the installation; the offshore regulator and the coastal state license the works.",
      "master_systems": [
        "Offshore installation and seabed licence registers"
      ]
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q2016031: offshore construction",
      "url": "https://www.wikidata.org/wiki/Q2016031",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Offshore construction",
      "url": "https://en.wikipedia.org/wiki/Offshore_construction",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "understand",
        "name": "Understand",
        "description": "What offshore construction is.",
        "rationale": "Definition.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "Definition and structures.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "What is offshore construction, and what structures does it build from platforms and turbines to pipelines and islands?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the question about offshore, coastal or port construction, or shipbuilding?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "methods",
            "name": "Methods",
            "description": "Methods and vessels.",
            "findings": [
              {
                "id": "methods-finding",
                "name": "Methods",
                "description": "Methods.",
                "questions": [
                  {
                    "text": "How are structures fabricated onshore, transported and installed with jack-ups, crane ships and pipelay vessels?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits the specific vessel or method?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "engineer",
        "name": "Engineer",
        "description": "Design and standards.",
        "rationale": "Regulation.",
        "layers": [
          {
            "id": "design",
            "name": "Design",
            "description": "Design.",
            "findings": [
              {
                "id": "design-finding",
                "name": "Design",
                "description": "Design.",
                "questions": [
                  {
                    "text": "How are offshore structures designed for waves, wind, corrosion and seabed conditions?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "safety",
            "name": "Safety",
            "description": "Safety and environment.",
            "findings": [
              {
                "id": "safety-finding",
                "name": "Safety",
                "description": "Safety.",
                "questions": [
                  {
                    "text": "What safety and environmental rules govern offshore work and decommissioning?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits offshore safety?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "sectors",
        "name": "Sectors",
        "description": "Sectors.",
        "rationale": "Sources.",
        "layers": [
          {
            "id": "oilgas",
            "name": "Oil and gas",
            "description": "Oil and gas.",
            "findings": [
              {
                "id": "oilgas-finding",
                "name": "Oil and gas",
                "description": "Oil and gas.",
                "questions": [
                  {
                    "text": "How has offshore oil and gas construction developed, and what are notable platforms?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "wind",
            "name": "Wind",
            "description": "Offshore wind.",
            "findings": [
              {
                "id": "wind-finding",
                "name": "Wind",
                "description": "Wind.",
                "questions": [
                  {
                    "text": "How is offshore wind construction growing, and what foundations and vessels does it use?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits offshore wind power?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "History.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "history",
            "name": "History",
            "description": "History.",
            "findings": [
              {
                "id": "history-finding",
                "name": "History",
                "description": "History.",
                "questions": [
                  {
                    "text": "How did offshore construction develop from early Gulf of Mexico platforms and the Texas Towers to deepwater and floating wind?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits the history of offshore engineering?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "texas",
            "name": "Texas Towers",
            "description": "Texas Towers.",
            "findings": [
              {
                "id": "texas-finding",
                "name": "Texas Towers",
                "description": "Texas Towers.",
                "questions": [
                  {
                    "text": "What were the Texas Tower radar platforms, and what happened to Texas Tower 4?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits Texas Tower 4?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should offshore wind foundation and offshore platform be separate primary entries?",
    "How should engineering standards be linked?",
    "How should the historical Texas Tower alias be recorded?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}