{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.wm-blt-002","code":"world-u2-premises-and-spatial-unit","url":"https://ver.cy/models/world-u2-premises-and-spatial-unit/","name":"Premises & Spatial Unit","alternateNames":["U2"],"kind":"world-model","status":"legacy","version":"0.2.0-legacy","language":"en","classifiers":{"family":"World Models","category":"Physical world and living systems","entryKind":"standalone-mm","plane":"","domain":["PHY.BLT.UNT"],"industry":["Cross-industry"],"navPath":"NAV.PHY.BLT.UNT","tags":["premises","spatial","unit","phy.blt.unt"],"facets":{}},"whatItIs":"This meta-model describes the units inside structures: apartments, offices, shops and rooms, their boundaries, the common parts they share, their use class, and who occupies them over time.","purpose":"Persistent bounded interior-space identity temporal containment geometry area evidence use designations and split or merge lineage","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["It is its own model because units are delineated, classified, transacted and occupied independently of the building shell (U1) that contains them and of the parcel (P2) beneath them."],"structure":{"bundles":[{"id":"delineation","name":"delineation","description":"How units are bounded in space","layers":[{"id":"boundaries","name":"boundaries","description":"surveyed or declared unit boundaries in 2D or 3D","findings":[]},{"id":"commonParts","name":"commonParts","description":"shared spaces and facilities serving several units","findings":[]}]},{"id":"use","name":"use","description":"What units are for and who is in them","layers":[{"id":"useClass","name":"useClass","description":"classification of permitted and actual use","findings":[]},{"id":"occupancy","name":"occupancy","description":"who occupies which unit over which period","findings":[]}]},{"id":"aggregation","name":"aggregation","description":"How units combine into larger wholes","layers":[{"id":"grouping","name":"grouping","description":"whole-floor lets, portfolio lots and other unit groups","findings":[]},{"id":"scheme","name":"scheme","description":"condominium and co-ownership scheme membership","findings":[]}]}]},"agentConduct":{"may":[],"mustNot":[],"requiresHuman":[]},"ethics":{"considerations":["occupancyDisclosureContract: consent-based disclosure of occupancy spells to a named relying party"],"affectedParties":[]},"owners":{"steward":"The owner archetype is the unit owner per S1 for each premise; scheme-level data is stewarded jointly through scheme membership.","roles":[],"masterSystems":[]},"relations":[{"target":"world.buildingStructure","type":"references","note":"every premise sits inside a shell modelled there"},{"target":"world.landParcelCadastre","type":"references","note":"condominium schemes anchor unit tenure to the underlying parcel; legal space semantics align with the cadastre"},{"target":"world.addressLocationReferencing","type":"references","note":"sub-addresses and unit numbering resolve there"},{"target":"world.utilityServicePoint","type":"references","note":"service points serve premises; supply and metering context lives in U5"},{"target":"world.person","type":"references","note":"occupants named in occupancy spells"},{"target":"world.organization","type":"references","note":"organizational occupants and scheme bodies"},{"target":"WM-BLT-001","type":"parent"},{"target":"WM-BLT-002","type":"contains"},{"target":"vr.wm-blt-004","type":"requires"},{"target":"vr.wm-blt-005","type":"requires"},{"target":"vr.wm-plc-006","type":"requires"}],"interaction":{"identity":{"applicability":"required","items":[]},"properties":{"applicability":"not-applicable","items":[]},"recognition":{"applicability":"optional","items":[]},"capabilities":{"applicability":"required","items":["premiseDelineated: a new unit was carved out and its boundary registered","boundaryAmended: a unit boundary was corrected or redrawn","useClassChanged: the unit's use classification changed (for example office to residential)","occupancyStarted: a party took up occupation of a premise","occupancyEnded: an occupancy spell closed","premisesMerged: two or more units were combined into one","premisesSplit: one unit was divided into several"]},"hazards":{"applicability":"optional","items":[]},"interfaces":{"applicability":"required","items":["valuationAccessContract: owner-granted access for an assessor to boundaries, areas and use class","occupancyDisclosureContract: consent-based disclosure of occupancy spells to a named relying party","schemeDataExchange: exchange of scheme membership and share quota data among scheme members","floorPlanProjection: boundaries and common parts per storey; omits occupants and tenure","lettingProjection: use class, floor area and availability; omits owner identity","occupancyStatisticsProjection: aggregated occupancy rates by area and use class; omits all identities"]},"context":{"applicability":"required","items":["All access, including occupancy disclosure, is granted by the owner through S2, with disclosures auditable via S4."]}},"sources":[],"openQuestions":["Superseded by a researched world model? Map this legacy card to its successor or retire it."],"resources":{"spec":"/models/world-u2-premises-and-spatial-unit/spec.yaml","agents":"/models/world-u2-premises-and-spatial-unit/AGENTS.md"},"provenance":{"origin":"legacy MMAS card (world-models v0.2)","builtFrom":["models/world-u2-premises-and-spatial-unit/spec.yaml","models/docs/built-environment/U2-premises-and-spatial-unit.md"],"providers":[],"researchStatus":"legacy","generatedAt":"","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"derived","purpose":"filled","distinguishingFeatures":"derived","structure":"thin","agentConduct":"missing","ethics":"derived","owners":"filled","relations":"filled","interaction.identity":"missing","interaction.properties":"not-applicable","interaction.recognition":"missing","interaction.capabilities":"derived","interaction.hazards":"missing","interaction.interfaces":"derived","interaction.context":"filled","sources":"missing"},"notes":{"whatItIs":"First sentence of the legacy card introduction.","interaction.capabilities":"Legacy events listed as state transitions.","structure":"Legacy card: layers named, findings and questions never written.","interaction.properties":"Institutional or informational subject: no invented physical properties."},"score":0.5}}