{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.flood-control-structure","code":"thing-q2630707","url":"https://ver.cy/models/thing/q2630707/","name":"flood control structure","alternateNames":["emergency flood barrier"],"kind":"thing","status":"published","version":"0.2.0-wave.4","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.BLT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A built structure designed to prevent or reduce flooding, including levees and dikes, floodwalls, flood barriers and storm surge barriers such as the Thames Barrier and the Dutch Maeslantkering, dams and detention basins, sluices and pumping stations, and temporary or demountable emergency flood barriers deployed when floods are forecast; structures reduce but do not eliminate risk, and people should follow official flood warnings and evacuation orders.","purpose":"Let an agent explain flood control structures, relay types, design standards, operation and limitations from water engineering and flood management sources, describe emergency barriers, route flood danger to official warnings and emergency services, and distinguish structural measures from natural flood management, flood insurance, drainage systems and warning systems.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Engineered","Designed to a standard","Residual risk remains","Requires maintenance"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What a flood control structure is.","layers":[{"id":"definition","name":"Definition","description":"Definition.","findings":[{"id":"definition-finding","name":"Definition","description":"Definition.","questions":[{"text":"What is a flood control structure, and how does it differ from natural flood management, insurance, drainage and warnings?","kind":"definition"},{"text":"Is there a flood warning or rising water nearby, in which case follow official warnings and call emergency services if in danger?","kind":"boundary"}]}]},{"id":"types","name":"Types","description":"Types.","findings":[{"id":"types-finding","name":"Types","description":"Types.","questions":[{"text":"How do levees, floodwalls, surge barriers and emergency barriers differ?","kind":"definition"},{"text":"Which entry fits the specific structure?","kind":"action"}]}]}]},{"id":"engineering","name":"Engineering","description":"Engineering.","layers":[{"id":"design","name":"Design","description":"Design standards.","findings":[{"id":"design-finding","name":"Design","description":"Design.","questions":[{"text":"How are flood defences designed to return periods and freeboard?","kind":"measurement"},{"text":"Which references are standard?","kind":"provenance"}]}]},{"id":"failure","name":"Failure","description":"Failure modes.","findings":[{"id":"failure-finding","name":"Failure","description":"Failure.","questions":[{"text":"How do levees fail, as in New Orleans in 2005?","kind":"provenance"},{"text":"Which sources are cited?","kind":"provenance"}]}]}]},{"id":"management","name":"Management","description":"Flood management.","layers":[{"id":"policy","name":"Policy","description":"Policy.","findings":[{"id":"policy-finding","name":"Policy","description":"Policy.","questions":[{"text":"How do the EU Floods Directive and national plans combine structural and natural measures?","kind":"provenance"},{"text":"Which entry fits flood risk management?","kind":"action"}]}]},{"id":"temporary","name":"Temporary","description":"Emergency barriers.","findings":[{"id":"temporary-finding","name":"Temporary","description":"Temporary.","questions":[{"text":"How are demountable and temporary barriers deployed?","kind":"provenance"},{"text":"Which entry fits flood barrier?","kind":"action"}]}]}]},{"id":"context","name":"Context","description":"Famous defences.","layers":[{"id":"delta","name":"Delta Works","description":"Delta Works.","findings":[{"id":"delta-finding","name":"Delta Works","description":"Delta Works.","questions":[{"text":"How did the 1953 flood lead to the Dutch Delta Works?","kind":"provenance"},{"text":"Which entry fits Delta Works?","kind":"action"}]}]},{"id":"climate","name":"Climate","description":"Adaptation.","findings":[{"id":"climate-finding","name":"Climate","description":"Climate.","questions":[{"text":"How are defences being adapted for sea level rise, with projections attributed?","kind":"provenance"},{"text":"Which entry fits climate change adaptation?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Monitor water levels, gate positions and structural condition for the operator.","Report seepage, erosion or damage to a levee, floodwall or barrier."],"mustNot":["Operate gates, pumps or barriers on a system it is not authorized to control.","Dig into, build on or plant trees in a levee or dike.","Give an all-clear or downplay a warning when a structure may be overtopped or failing.","Present protection to a design standard as protection against any flood."],"requiresHuman":["Closing or opening a barrier, which decides who floods and who does not.","Issuing or lifting evacuation warnings."]},"ethics":{"considerations":["A failed or wrongly operated structure can drown people and destroy whole districts.","Flood defences shift water elsewhere, so decisions choose which communities bear the risk."],"affectedParties":["Residents behind the defences","Communities downstream or upstream","Emergency services"]},"owners":{"steward":"The flood or water authority that operates it.","roles":[],"masterSystems":["Flood defence asset registers and flood risk maps"]},"relations":[{"target":"Q811979","type":"parent","note":"registry parent class"},{"target":"built structure","type":"related","note":"in registry terms"},{"target":"levee","type":"related"},{"target":"Thames Barrier","type":"related"},{"target":"natural flood management","type":"related"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.flood-control-structure","Wikidata: Q2630707 (https://www.wikidata.org/wiki/Q2630707)"]},"properties":{"applicability":"required","items":["Thames Barrier operational: 1982 year - officially opened 1984","Maeslantkering completed: 1997 year - Netherlands","design standard: often expressed as return period such as 1 in 100 years note"]},"recognition":{"applicability":"required","items":["Structure built to control flooding","Emergency flood barrier, levee, floodwall, storm surge barrier","Natural flood management uses landscapes; insurance transfers cost; drainage removes water; warnings inform people","Embankments, concrete walls, movable gates across rivers, and temporary barrier panels."]},"capabilities":{"applicability":"required","items":["explain types and design","relay operation and limitations","describe emergency barriers","route flood danger to warnings"]},"hazards":{"applicability":"required","items":["Levee breaches and overtopping","False sense of security","Ignoring warnings and evacuation orders"]},"interfaces":{"applicability":"required","items":["EU Floods Directive","National dam and reservoir safety laws","Engineering design standards for flood defences"]},"context":{"applicability":"required","items":["Reducing flood risk.","levees and dikes","floodwalls","storm surge barriers","flood detention basins and dams","pumping stations","temporary and demountable barriers"]}},"sources":[{"title":"Wikidata item Q2630707: flood control structure","url":"https://www.wikidata.org/wiki/Q2630707","note":"identity and sense of the item"},{"title":"Wikipedia (nl): Waterkering","url":"https://nl.wikipedia.org/wiki/Waterkering","note":"general description of the item"}],"openQuestions":["Should storm surge barriers be a separate entry?","How should flood agency sources be linked?","How should climate adaptation plans be recorded?"],"resources":{"spec":"/models/things/publications/thing-q2630707/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q2630707/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-13T21:02:59Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-08T19:09:52+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}