{ "model": { "rank": 2031, "code": "thing-q83180", "model_id": "vr.tr.roof", "name": "roof", "purpose": "Let an agent handle roofs by form, material, condition, safety of work at height and energy performance.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.BLT", "industry": "", "version": "", "url": "/models/thing/q83180/", "tier": 2, "score": 118, "payload": { "layer": "wikidata", "aliases": [ "Twisted Spire", "Aasdach", "public transport shelter", "hyperbolic-parabolic roof", "metal roof", "Vedtak", "roof terrace", "tiled roof", "juanpeng", "Koyagumi", "solar panel roof", "domestic roof construction", "cool roofs", "Platform Roof", "pitched roof", "plank roof", "Rain roof", "copper roof", "arch roof", "rhombic roof", "bochka roof", "elastomeric membrane roof", "wooden shingle roof", "mesh gable line", "fold roof", "bangala", "sudden bend roof shape", "saddle roof", "mansard roof", "flat roof", "awning", "Grabendach", "Greddach", "hammerbeam roof", "Bengal roofs", "cross roof", "butterfly roof", "grouted roof", "flying roof", "saltbox roof" ], "aliasCount": 119, "merged": 120, "knownIn": 118, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.roof-object", "source": { "dataset": "wikidata", "item": "Q83180", "url": "https://www.wikidata.org/wiki/Q83180", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-11T06:00:55Z", "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": 1, "engine": "claude" }, "metaModel": { "id": "THING-Q83180", "registryId": "vr.tr.roof", "name": "roof", "version": "0.2.0-wave.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.BLT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q83180/", "model": { "registry_id": "vr.tr.roof", "name": "roof", "purpose": "Let an agent handle roofs by form, material, condition, safety of work at height and energy performance.", "definition": "The covering on the top of a building or structure that protects it from weather, with forms such as pitched, flat, domed and hyperbolic-paraboloid roofs, and materials such as tile, slate, metal or thatch.", "what_it_is_for": "Keeping weather out and supporting insulation, solar panels and drainage.", "affordances": [ "inspect and repair it", "insulate it", "install solar panels, with checks", "work on it safely at height" ], "distinguishing_features": [ "Top covering of a structure", "Form and material decide performance", "Work on roofs is work at height", "Key to energy efficiency" ], "appearance": "The top covering of a building: pitched with tiles or slates, flat with membranes, metal sheets, thatch or green roofs; shelters have simple roofs.", "visual_identification": [ "Roof form and covering", "Gutters, flashings and chimneys", "Twisted spires and special forms" ], "physical_properties": [ { "quantity": "pitch", "typical_range": "0-60", "unit": "degrees", "note": "flat roofs have small falls" }, { "quantity": "design snow load", "typical_range": "0.5-5", "unit": "kN/m2", "note": "depends on location" } ], "families_and_kinds": [ "pitched roofs", "flat roofs", "domes and shells", "green roofs", "thatched and traditional roofs", "shelter roofs" ], "related_models": [ { "relation": "is part of", "target": "building and built structure", "why": "element" }, { "relation": "carries", "target": "solar panels", "why": "uses" }, { "relation": "is regulated by", "target": "building code", "why": "rules" }, { "relation": "protects against", "target": "weather", "why": "function" } ], "identifiers": [], "standards_and_regulation": [ "Building codes on roofs and loads", "Work at height regulations", "Fire classification for roof coverings (EN 13501-5)" ], "failure_modes_and_hazards": [ "Falls during roof work", "Leaks and damp", "Storm damage", "Snow load collapse" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "form", "name": "Form", "description": "Shape and covering.", "rationale": "Form decides drainage and loads.", "layers": [ { "id": "shape", "name": "Shape", "description": "Pitched, flat, dome.", "findings": [ { "id": "shape-finding", "name": "Shape", "description": "Roof shape.", "questions": [ { "text": "What is the roof form and pitch?", "kind": "definition" }, { "text": "How does water drain?", "kind": "definition" } ] } ] }, { "id": "covering", "name": "Covering", "description": "Material.", "findings": [ { "id": "covering-finding", "name": "Covering", "description": "Covering material.", "questions": [ { "text": "What is it covered with?", "kind": "definition" }, { "text": "How old is the covering?", "kind": "measurement" } ] } ] } ] }, { "id": "condition", "name": "Condition", "description": "Leaks and damage.", "rationale": "Condition decides repairs.", "layers": [ { "id": "inspection", "name": "Inspection", "description": "Survey.", "findings": [ { "id": "inspection-finding", "name": "Inspection", "description": "Inspection results.", "questions": [ { "text": "What defects were found?", "kind": "measurement" }, { "text": "When was it inspected?", "kind": "provenance" } ] } ] }, { "id": "repair", "name": "Repair", "description": "Fixes.", "findings": [ { "id": "repair-finding", "name": "Repair", "description": "Repair needs.", "questions": [ { "text": "What repairs are needed?", "kind": "action" }, { "text": "Do they need permission?", "kind": "boundary" } ] } ] } ] }, { "id": "performance", "name": "Performance", "description": "Energy and loads.", "rationale": "Roofs affect energy and safety.", "layers": [ { "id": "insulation", "name": "Insulation", "description": "Thermal.", "findings": [ { "id": "insulation-finding", "name": "Insulation", "description": "Insulation level.", "questions": [ { "text": "How well is the roof insulated?", "kind": "measurement" }, { "text": "How can it be improved?", "kind": "action" } ] } ] }, { "id": "loads", "name": "Loads", "description": "Snow, wind, panels.", "findings": [ { "id": "loads-finding", "name": "Loads", "description": "Structural loads.", "questions": [ { "text": "Can the roof take the added load of solar panels?", "kind": "boundary" }, { "text": "What snow and wind loads apply?", "kind": "measurement" } ] } ] } ] }, { "id": "safety", "name": "Safety", "description": "Work at height.", "rationale": "Roof work is dangerous.", "layers": [ { "id": "work", "name": "Work at height", "description": "Protection.", "findings": [ { "id": "work-finding", "name": "Work safety", "description": "Safety measures.", "questions": [ { "text": "What fall protection is required for roof work?", "kind": "boundary" }, { "text": "Should a professional do it?", "kind": "action" } ] } ] }, { "id": "fragile", "name": "Fragile surfaces", "description": "Rooflights.", "findings": [ { "id": "fragile-finding", "name": "Fragile", "description": "Fragile surfaces.", "questions": [ { "text": "Are there fragile rooflights or sheets?", "kind": "boundary" }, { "text": "Are they marked?", "kind": "boundary" } ] } ] } ] } ] }, "openQuestions": [ "Should roof types be separate entries?", "How should roof condition be recorded?", "The registry entry has merged aliases such as public transport shelter; should they be split off?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "building, structure or infrastructure", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a roof, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent handle roofs by form, material, condition, safety of work at height and energy performance.", "characteristics": { "substance": "material", "origin": "manufactured", "agency": "inert", "mobility": "fixed", "scale": "built" }, "whatYouCanDoWithIt": [ "observed and measured", "entered, crossed or travelled along" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: Twisted Spire, Aasdach, public transport shelter, hyperbolic-parabolic roof, metal roof, Vedtak, roof terrace, tiled roof, juanpeng, Koyagumi, solar panel roof, domestic roof construction.", "120 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 118 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is." ], "openQuestionsForResearch": [ "Which of the bundles below does a real task actually need, and which are ceremony?", "What does this thing have that the facets do not capture at all?", "Which neighbouring kind is most often confused with a roof, and on what evidence are they told apart?" ], "whatItIsMadeOf": "matter you can touch", "physicalCharacter": [ "On the scale of a building: sited rather than moved.", "Stays where it was put; moving it is a project.", "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state", "enter it, cross it, travel along it" ], "howItIsRecognised": [ "Recognised by form, materials and siting, and confirmed by address or by a register entry rather than by looking." ], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "Twisted Spire", "Aasdach", "public transport shelter", "hyperbolic-parabolic roof", "metal roof", "Vedtak", "roof terrace", "tiled roof", "juanpeng", "Koyagumi", "solar panel roof", "domestic roof construction" ] } ], "standing": "Described in 118 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 120 finer distinctions are held inside this entry as names rather than as separate models.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one roof from another, and a roof from things that resemble it.", "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.", "layers": [ { "id": "naming-and-identifiers", "name": "Names and identifiers", "description": "The names this thing goes by and the identifiers that survive translation and time.", "findings": [ { "id": "preferred-name-and-aliases", "name": "Preferred name, aliases and local names", "description": "Which name to use, which names mean the same thing, and which merely sound similar.", "questions": [ { "id": "preferred-name-and-aliases-q01", "text": "What identifies and describes the name of a roof, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "preferred-name-and-aliases-q02", "text": "Who or what asserted this about the name of a roof, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "preferred-name-and-aliases-q03", "text": "What may an agent decide or do once the name of a roof is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "stable-identifiers", "name": "Stable identifiers and external keys", "description": "Identifiers that keep pointing at this kind of thing across systems and languages.", "questions": [ { "id": "stable-identifiers-q01", "text": "What identifies and describes an identifier for a roof, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stable-identifiers-q02", "text": "Who or what asserted this about an identifier for a roof, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stable-identifiers-q03", "text": "What may an agent decide or do once an identifier for a roof is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "classification-and-granularity", "name": "Classification and granularity", "description": "Where a roof sits among kinds, and how finely a task needs to cut it.", "findings": [ { "id": "kind-and-parents", "name": "Kind, parents and neighbouring kinds", "description": "The classes this thing belongs to and the ones it is next to.", "questions": [ { "id": "kind-and-parents-q01", "text": "What identifies and describes the kind of a roof, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "kind-and-parents-q02", "text": "Who or what asserted this about the kind of a roof, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "kind-and-parents-q03", "text": "What may an agent decide or do once the kind of a roof is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "distinguishing-features", "name": "Distinguishing features", "description": "What separates a roof from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a roof, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "distinguishing-features-q02", "text": "Who or what asserted this about what distinguishes a roof, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "distinguishing-features-q03", "text": "What may an agent decide or do once what distinguishes a roof is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "form-and-composition", "name": "Form, composition and condition", "description": "What a roof is made of, what shape and size it takes, and what state it is in.", "rationale": "A physical thing can be measured, and a model that cannot record its measurements cannot support any decision that depends on them.", "layers": [ { "id": "form-and-dimensions", "name": "Form and dimensions", "description": "Shape, size, mass and the ranges these take across examples at built scale.", "findings": [ { "id": "measurable-dimensions", "name": "Measurable dimensions and their units", "description": "The quantities worth recording and the units they are recorded in.", "questions": [ { "id": "measurable-dimensions-q01", "text": "What identifies and describes the dimensions of a roof, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "measurable-dimensions-q02", "text": "Who or what asserted this about the dimensions of a roof, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "measurable-dimensions-q03", "text": "What may an agent decide or do once the dimensions of a roof is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "material-and-composition", "name": "Material and composition", "description": "Materials, parts and how they are put together.", "findings": [ { "id": "parts-and-materials", "name": "Parts and materials", "description": "What a roof is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a roof, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "parts-and-materials-q02", "text": "Who or what asserted this about the composition of a roof, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "parts-and-materials-q03", "text": "What may an agent decide or do once the composition of a roof is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "condition-and-integrity", "name": "Condition and integrity", "description": "Wear, damage, health and the difference between working and broken.", "findings": [ { "id": "condition-assessment", "name": "Condition, damage and health", "description": "How the condition of a roof is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a roof, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "condition-assessment-q02", "text": "Who or what asserted this about the condition of a roof, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "condition-assessment-q03", "text": "What may an agent decide or do once the condition of a roof is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "place-and-movement", "name": "Place and movement", "description": "Where a roof is, how it got there and where it may go (fixed).", "rationale": "A thing that can move needs its position recorded with a time, or every later claim about it is about a place it has left.", "layers": [ { "id": "location-and-placement", "name": "Location and placement", "description": "Position, containment and the reference frame the position is given in.", "findings": [ { "id": "position-and-frame", "name": "Position, container and reference frame", "description": "Where a roof is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a roof, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "position-and-frame-q02", "text": "Who or what asserted this about the location of a roof, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "position-and-frame-q03", "text": "What may an agent decide or do once the location of a roof is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "movement-and-transfer", "name": "Movement and transfer", "description": "How a roof is carried, installed or relocated.", "findings": [ { "id": "movement-events", "name": "Movement events and constraints", "description": "What counts as a movement, what records it and what limits it.", "questions": [ { "id": "movement-events-q01", "text": "What identifies and describes the movement of a roof, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "movement-events-q02", "text": "Who or what asserted this about the movement of a roof, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "movement-events-q03", "text": "What may an agent decide or do once the movement of a roof is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "state-and-lifecycle", "name": "State and lifecycle", "description": "The states a roof passes through and the events that move it between them.", "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.", "layers": [ { "id": "lifecycle-stages", "name": "Lifecycle stages", "description": "From coming into existence to ceasing to be one of these.", "findings": [ { "id": "stages-and-transitions", "name": "Stages and transitions", "description": "The stages worth naming and what moves a roof between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a roof, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stages-and-transitions-q02", "text": "Who or what asserted this about the lifecycle of a roof, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stages-and-transitions-q03", "text": "What may an agent decide or do once the lifecycle of a roof is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "observations-and-status", "name": "Observations and current status", "description": "What is observed about a roof, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a roof is recorded so that it can be superseded rather than overwritten.", "questions": [ { "id": "observation-record-q01", "text": "What identifies and describes an observation of a roof, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "observation-record-q02", "text": "Who or what asserted this about an observation of a roof, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "observation-record-q03", "text": "What may an agent decide or do once an observation of a roof is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "use-and-operation", "name": "Use and operation", "description": "What can be done with a roof and what it takes to do it.", "rationale": "An agent that can recognise a thing but not act on it has only half a model.", "layers": [ { "id": "intended-use", "name": "Intended use and function", "description": "What a roof is for, and what it is used for anyway.", "findings": [ { "id": "function-and-purpose", "name": "Function, purpose and misuse", "description": "The function a roof performs and the uses that fall outside it.", "questions": [ { "id": "function-and-purpose-q01", "text": "What identifies and describes the use of a roof, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "function-and-purpose-q02", "text": "Who or what asserted this about the use of a roof, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "function-and-purpose-q03", "text": "What may an agent decide or do once the use of a roof is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "handling-and-procedure", "name": "Handling and procedure", "description": "The steps, skills and tools involved in using a roof.", "findings": [ { "id": "procedures-and-skills", "name": "Procedures, skills and required tools", "description": "What an agent needs before it can act on a roof at all.", "questions": [ { "id": "procedures-and-skills-q01", "text": "What identifies and describes handling a roof, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "procedures-and-skills-q02", "text": "Who or what asserted this about handling a roof, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "procedures-and-skills-q03", "text": "What may an agent decide or do once handling a roof is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "structure-and-capacity", "name": "Structure, materials and capacity", "description": "How roof is built and how much it can take.", "rationale": "Capacity and structural type govern what may lawfully happen inside or on it, and both are attested rather than obvious.", "layers": [ { "id": "construction", "name": "Construction and materials", "description": "Structural type, materials and principal dimensions.", "findings": [ { "id": "construction-record", "name": "Structural type and dimensions", "description": "What it is made of and how big it is.", "questions": [ { "id": "construction-record-q01", "text": "What structural type and materials characterise roof, and what are its principal dimensions?", "kind": "measurement" }, { "id": "construction-record-q02", "text": "What in that construction limits how it may be altered?", "kind": "boundary" } ] } ] }, { "id": "capacity-and-load", "name": "Capacity and load", "description": "Occupancy, load ratings and their basis.", "findings": [ { "id": "capacity-record", "name": "Rated capacity and who set it", "description": "The limits and the authority that certified them.", "questions": [ { "id": "capacity-record-q01", "text": "What capacity or load is roof rated for, under which code, certified by whom?", "kind": "provenance" }, { "id": "capacity-record-q02", "text": "What must an agent refuse to permit beyond that rating?", "kind": "action" } ] } ] } ] }, { "id": "tenure-and-condition", "name": "Ownership, permitting and condition", "description": "Who holds roof, what it is permitted for, and what state it is in.", "rationale": "A structure is not the organisation that uses it, and its permission to exist is separate from its condition.", "layers": [ { "id": "tenure", "name": "Ownership and permission", "description": "Title, occupancy and the permits in force.", "findings": [ { "id": "tenure-record", "name": "Title, occupier and permits", "description": "Who owns, who occupies, and what is permitted.", "questions": [ { "id": "tenure-record-q01", "text": "Who owns and who occupies roof, and which permits or consents are in force?", "kind": "definition" }, { "id": "tenure-record-q02", "text": "What distinguishes the structure from the organisation that operates in it?", "kind": "boundary" } ] } ] }, { "id": "inspection", "name": "Condition and inspection", "description": "Inspection regime, defects and remaining service life.", "findings": [ { "id": "inspection-record", "name": "Inspections and defects", "description": "What is inspected, how often, and what was found.", "questions": [ { "id": "inspection-record-q01", "text": "What inspection regime applies to roof, at what interval, and by whom?", "kind": "provenance" }, { "id": "inspection-record-q02", "text": "What finding takes it out of service, and who may authorise its return?", "kind": "action" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a roof came from and when it held.", "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.", "layers": [ { "id": "source-and-authority", "name": "Source and authority", "description": "Who said it, on what evidence, and how strongly.", "findings": [ { "id": "claim-provenance", "name": "Claim provenance and confidence", "description": "The authority behind each claim about a roof and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a roof, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "claim-provenance-q02", "text": "Who or what asserted this about a claim about a roof, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "claim-provenance-q03", "text": "What may an agent decide or do once a claim about a roof is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "time-and-versions", "name": "Time, versions and supersession", "description": "When a claim was true, when it was learnt, and what replaced it.", "findings": [ { "id": "validity-and-supersession", "name": "Validity period and supersession", "description": "How an old claim about a roof is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a roof, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "validity-and-supersession-q02", "text": "Who or what asserted this about the validity of a claim about a roof, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "validity-and-supersession-q03", "text": "What may an agent decide or do once the validity of a claim about a roof is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 8, "layers": 17, "findings": 19, "questions": 53 } } } }