{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.lift-q2953023","code":"thing-q2953023","url":"https://ver.cy/models/thing/q2953023/","name":"lift","alternateNames":[],"kind":"thing","status":"research-draft","version":"0.2.0-wave.1","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 movable bridge whose span rises vertically while remaining horizontal, lifted by counterweights and machinery in towers at each end to let ships pass.","purpose":"Let an agent handle lift bridges by mechanism, clearance, operating schedule and safety, as a kind of movable bridge.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Span lifts vertically, staying level","Needs towers and counterweights","Interrupts road or rail traffic when raised","The lift as an elevator is a different entry"],"structure":{"bundles":[{"id":"mechanism","name":"Mechanism","description":"How it lifts.","layers":[{"id":"machinery","name":"Machinery","description":"Towers, cables, counterweights.","findings":[{"id":"machinery-finding","name":"Machinery","description":"The lifting system.","questions":[{"text":"How is the span lifted?","kind":"definition"},{"text":"How is it powered?","kind":"definition"}]}]},{"id":"clearance","name":"Clearance","description":"Heights up and down.","findings":[{"id":"clearance-finding","name":"Clearance","description":"Navigational clearances.","questions":[{"text":"What are the clearances when down and raised?","kind":"measurement"},{"text":"How wide is the navigation channel?","kind":"measurement"}]}]}]},{"id":"operation","name":"Operation","description":"When it lifts.","layers":[{"id":"schedule","name":"Schedule","description":"Opening times.","findings":[{"id":"schedule-finding","name":"Schedule","description":"Lift schedule.","questions":[{"text":"When does the bridge lift, and on request?","kind":"definition"},{"text":"How long does a lift take?","kind":"measurement"}]}]},{"id":"operator","name":"Operator","description":"Who operates it.","findings":[{"id":"operator-finding","name":"Operator","description":"Operating authority.","questions":[{"text":"Who operates the bridge, and how is it contacted by vessels?","kind":"provenance"},{"text":"Which radio channel is used?","kind":"definition"}]}]}]},{"id":"safety","name":"Safety","description":"Barriers and failures.","layers":[{"id":"barriers","name":"Barriers","description":"Traffic control.","findings":[{"id":"barriers-finding","name":"Barriers","description":"Traffic safety systems.","questions":[{"text":"Which barriers and signals stop traffic?","kind":"definition"},{"text":"Are they interlocked with the lift?","kind":"boundary"}]}]},{"id":"failure","name":"Failure","description":"Stuck spans.","findings":[{"id":"failure-finding","name":"Failure plan","description":"Response to failure.","questions":[{"text":"What happens if the span cannot be lowered?","kind":"action"},{"text":"How are road users diverted?","kind":"action"}]}]}]},{"id":"condition","name":"Condition","description":"Inspection.","layers":[{"id":"inspection","name":"Inspection","description":"Structure and machinery.","findings":[{"id":"inspection-finding","name":"Inspection","description":"Latest inspection.","questions":[{"text":"When were the structure and machinery last inspected?","kind":"provenance"},{"text":"What defects were found?","kind":"measurement"}]}]},{"id":"heritage","name":"Heritage","description":"Historic bridges.","findings":[{"id":"heritage-finding","name":"Heritage","description":"Protection status.","questions":[{"text":"Is the bridge protected as heritage?","kind":"provenance"},{"text":"What limits apply to modernisation?","kind":"boundary"}]}]}]}]},"agentConduct":{"may":["Report a lift bridge's opening schedule, clearance and status from its operator's notices.","Monitor span position, barriers and machinery on a bridge it is authorized to supervise, and alert the operator."],"mustNot":["Raise or lower the span while road or path barriers are open or people are on the deck.","Operate the bridge without the operator's authority or outside navigation rules.","Override interlocks, limit switches or counterweight safeguards.","Give vessels clearance information it has not confirmed with the operator."],"requiresHuman":["Opening or closing the span.","Holding traffic or vessels during a fault or emergency."]},"ethics":{"considerations":["A moving span puts road users and vessels at risk if timing or barriers fail.","Bridge openings shift delay between road and waterway users."],"affectedParties":["Road users and pedestrians","Vessel crews","Bridge operators"]},"owners":{"steward":"The bridge owner and operator, usually a road or waterway authority.","roles":[],"masterSystems":["Bridge and structure inventories of the road or waterway authority"]},"relations":[{"target":"Q12280","type":"parent","note":"registry parent class"},{"target":"bridge","type":"related","note":"movable bridge"},{"target":"bascule bridge","type":"related","note":"span pivots up"},{"target":"lift as elevator","type":"related","note":"a homonym"},{"target":"waterway navigation","type":"related","note":"vessel passage"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.lift-q2953023","Wikidata: Q2953023 (https://www.wikidata.org/wiki/Q2953023)"]},"properties":{"applicability":"required","items":["lift height: 10-60 m","span: 30-170 m"]},"recognition":{"applicability":"required","items":["Two towers flanking a span","Cables and counterweights in the towers","Bascule and swing bridges move differently","A horizontal span between two towers, which rises straight up on cables with counterweights."]},"capabilities":{"applicability":"required","items":["cross it, when down","raise it, for vessels, under operating rules","inspect and maintain its machinery","check lifting schedules"]},"hazards":{"applicability":"required","items":["Mechanical failure leaving the span stuck","Vessel strikes","Traffic queues and barrier accidents"]},"interfaces":{"applicability":"required","items":["Bridge design codes such as AASHTO movable bridge specifications","Navigation rules for opening bridges","Machinery and electrical safety standards"]},"context":{"applicability":"required","items":["Carrying road or rail over navigable water while allowing tall vessels through.","vertical-lift road bridges","vertical-lift rail bridges","table bridges","submersible bridges as a rare variant"]}},"sources":[{"title":"Wikidata item Q2953023: lift","url":"https://www.wikidata.org/wiki/Q2953023","note":"identity and sense of the item"},{"title":"Wikipedia (nl): Til","url":"https://nl.wikipedia.org/wiki/Til","note":"general description of the item"}],"openQuestions":["Should movable bridge types be separate entries?","How should lift schedules be exposed to routing agents?","The registry entry has no aliases; is the bridge sense the one intended?"],"resources":{"spec":"/models/things/publications/thing-q2953023/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q2953023/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T05:22:06Z","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":{},"score":1.0}}