{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.tower","code":"thing-q12518","url":"https://ver.cy/models/thing/q12518/","name":"tower","alternateNames":["lookout tree","geodetic survey tower","windcatcher","cubelo","Air monitoring station","transmitter mast","microwave tower","choirside tower","ventilation tower","five-storied pagoda","roof tower","Bologna tower"],"kind":"thing","status":"published","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 tall structure, taller than it is wide, built for observation, transmission, defence, support or display, standing alone or as part of a building.","purpose":"Let an agent handle towers by function, height, structure, ownership and safety, including aviation marking and access.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Taller than wide, built for height","Freestanding or part of a building","Masts rely on guy wires; towers are self-supporting","Obstacles to aviation above certain heights"],"structure":{"bundles":[{"id":"function","name":"Function","description":"What the tower is for.","layers":[{"id":"use","name":"Use","description":"Observation, transmission, water.","findings":[{"id":"use-finding","name":"Function","description":"The function.","questions":[{"text":"What is this tower used for?","kind":"definition"},{"text":"Has its use changed?","kind":"provenance"}]}]},{"id":"equipment","name":"Equipment","description":"Antennas, tanks, bells.","findings":[{"id":"equipment-finding","name":"Equipment","description":"Equipment mounted.","questions":[{"text":"What equipment is mounted on it, and by whom?","kind":"provenance"},{"text":"Is there RF exposure near it?","kind":"boundary"}]}]}]},{"id":"structure","name":"Structure","description":"Height and design.","layers":[{"id":"height","name":"Height","description":"Height and form.","findings":[{"id":"height-finding","name":"Dimensions","description":"Height and structure type.","questions":[{"text":"How tall is it, and is it self-supporting or guyed?","kind":"measurement"},{"text":"What is it made of?","kind":"definition"}]}]},{"id":"loads","name":"Loads","description":"Wind and ice.","findings":[{"id":"loads-finding","name":"Design loads","description":"Design wind and ice loads.","questions":[{"text":"For what wind and ice loads was it designed?","kind":"measurement"},{"text":"Has added equipment exceeded them?","kind":"boundary"}]}]}]},{"id":"safety","name":"Safety","description":"Aviation and people.","layers":[{"id":"aviation","name":"Aviation marking","description":"Lights and paint.","findings":[{"id":"aviation-finding","name":"Obstacle marking","description":"Marking and lighting.","questions":[{"text":"Is it marked and lit as required for aviation?","kind":"boundary"},{"text":"Is it in the obstacle database?","kind":"provenance"}]}]},{"id":"climbing","name":"Climbing","description":"Fall protection.","findings":[{"id":"climbing-finding","name":"Climbing safety","description":"Access and fall protection.","questions":[{"text":"Who may climb it, with what fall protection?","kind":"boundary"},{"text":"Is public access permitted?","kind":"boundary"}]}]}]},{"id":"ownership","name":"Ownership","description":"Who is responsible.","layers":[{"id":"owner","name":"Owner","description":"Owner and operator.","findings":[{"id":"owner-finding","name":"Owner","description":"Owner and operator.","questions":[{"text":"Who owns and operates the tower?","kind":"provenance"},{"text":"Who are the tenants?","kind":"provenance"}]}]},{"id":"heritage","name":"Heritage","description":"Historic towers.","findings":[{"id":"heritage-finding","name":"Heritage status","description":"Protection status.","questions":[{"text":"Is the tower a protected historic structure?","kind":"provenance"},{"text":"What changes need consent?","kind":"boundary"}]}]}]}]},"agentConduct":{"may":["Report a tower's height, use and status from official records.","Monitor structural and antenna systems it is authorized to read."],"mustNot":["Climb or send people up a tower without authorization and fall protection.","Switch off aviation obstruction lights or markings.","Allow people within antenna exclusion zones while transmitters are active."],"requiresHuman":["Shutting down a tower's transmitters or declaring it structurally unsafe."]},"ethics":{"considerations":["Towers dominate skylines, and some are heritage or sacred structures."],"affectedParties":["Climbers and maintenance workers","Aircraft crews","People nearby"]},"owners":{"steward":"The owner or operator; aviation authorities require it be marked.","roles":[],"masterSystems":["Aviation obstacle databases"]},"relations":[{"target":"Q41176","type":"parent","note":"registry parent class"},{"target":"Q811979","type":"parent","note":"registry parent class"},{"target":"structure","type":"related","note":"built structure"},{"target":"mast","type":"related","note":"guyed structures"},{"target":"antenna","type":"related","note":"telecommunications"},{"target":"aviation obstacle rules","type":"related","note":"marking and lighting"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.tower","Wikidata: Q12518 (https://www.wikidata.org/wiki/Q12518)","antenna structure registration: for example FCC ASR number US registration of tall structures"]},"properties":{"applicability":"required","items":["height: 10-634 m - Tokyo Skytree is 634 m","wind load design speed: 25-50 m/s - depends on site"]},"recognition":{"applicability":"required","items":["Height much greater than width","Antennas, lookout platforms, water tanks or bells at the top","Aviation warning lights and markings","A slender vertical structure, of masonry, steel lattice or concrete, often with a platform or equipment at the top."]},"capabilities":{"applicability":"required","items":["climb or visit it, where permitted","mount equipment on it, such as antennas","inspect and maintain it","mark and light it, for aviation safety"]},"hazards":{"applicability":"required","items":["Structural failure in wind or ice","Falls when climbing","Aircraft collision with unmarked towers","RF exposure near antennas"]},"interfaces":{"applicability":"required","items":["ICAO Annex 14 obstacle marking and lighting","Eurocode 3 part 3-1 towers and masts","Telecommunications siting rules"]},"context":{"applicability":"required","items":["Gaining height, for views, signals, antennas, water pressure, defence or landmarks.","observation and lookout towers","transmission and microwave towers","water towers","defensive towers and keeps","bell towers and minarets","windcatchers and survey towers"]}},"sources":[{"title":"Wikidata item Q12518: tower","url":"https://www.wikidata.org/wiki/Q12518","note":"identity and sense of the item"},{"title":"Wikipedia: Tower","url":"https://en.wikipedia.org/wiki/Tower","note":"general description of the item"}],"openQuestions":["Should tower types be separate entries?","How should mast and tower be distinguished in data?","How should towers be linked to aviation obstacle databases?"],"resources":{"spec":"/models/things/publications/thing-q12518/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q12518/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T05:00:00Z","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 2026-10-06T19:51:54+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}