# Open-FDD engineering quantity vocabulary (EQ-VOCAB)
# Version: ofdd_engineering_quantities_v1
# Namespace: urn:openfdd:ns# (package / product projection)
# Legacy commissioning RDF uses https://open-fdd.dev/model# — do not mint
# engineering properties inside Project Haystack or Brick namespaces.
# Public vocabulary only: no private tenant equipment instances.

@prefix ofdd: <urn:openfdd:ns#> .
@prefix rdf:  <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl:  <http://www.w3.org/2002/07/owl#> .
@prefix xsd:  <http://www.w3.org/2001/XMLSchema#> .

ofdd:EngineeringQuantityVocabulary a owl:Ontology ;
  ofdd:vocabVersion "ofdd_engineering_quantities_v1" ;
  rdfs:comment "Typed design/rated capacities and evidence records for ECM adapters." .

ofdd:EngineeringQuantity a rdfs:Class ;
  rdfs:label "Engineering quantity" ;
  rdfs:comment "Numeric value with unit, quantity kind, value basis, and provenance." .

ofdd:QuantityKind a rdfs:Class .
ofdd:ThermalPower a ofdd:QuantityKind .
ofdd:ElectricalPower a ofdd:QuantityKind .
ofdd:ShaftPower a ofdd:QuantityKind .
ofdd:VolumeFlow a ofdd:QuantityKind .
ofdd:Pressure a ofdd:QuantityKind .
ofdd:Efficiency a ofdd:QuantityKind .
ofdd:Energy a ofdd:QuantityKind .
ofdd:CoolingLoad a ofdd:QuantityKind .

ofdd:ValueBasis a rdfs:Class .
ofdd:Design a ofdd:ValueBasis .
ofdd:Rated a ofdd:ValueBasis .
ofdd:TAB a ofdd:ValueBasis .
ofdd:Measured a ofdd:ValueBasis .
ofdd:Assumed a ofdd:ValueBasis .

ofdd:ReviewStatus a rdfs:Class .
ofdd:NeedsReview a ofdd:ReviewStatus .
ofdd:Reviewed a ofdd:ReviewStatus .
ofdd:Rejected a ofdd:ReviewStatus .

# Capacity / flow / efficiency properties (object → EngineeringQuantity record)
ofdd:ratedCoolingCapacity a rdf:Property ;
  rdfs:domain ofdd:Equipment ; rdfs:range ofdd:EngineeringQuantity .
ofdd:ratedHeatingCapacity a rdf:Property ;
  rdfs:domain ofdd:Equipment ; rdfs:range ofdd:EngineeringQuantity .
ofdd:ratedFuelInputPower a rdf:Property ;
  rdfs:domain ofdd:Equipment ; rdfs:range ofdd:EngineeringQuantity .
ofdd:ratedElectricalInputPower a rdf:Property ;
  rdfs:domain ofdd:Equipment ; rdfs:range ofdd:EngineeringQuantity .
ofdd:ratedShaftPower a rdf:Property ;
  rdfs:domain ofdd:Equipment ; rdfs:range ofdd:EngineeringQuantity .
ofdd:designSupplyAirflow a rdf:Property ;
  rdfs:domain ofdd:Equipment ; rdfs:range ofdd:EngineeringQuantity .
ofdd:designOutdoorAirflow a rdf:Property ;
  rdfs:domain ofdd:Equipment ; rdfs:range ofdd:EngineeringQuantity .
ofdd:designWaterFlow a rdf:Property ;
  rdfs:domain ofdd:Equipment ; rdfs:range ofdd:EngineeringQuantity .
ofdd:designExternalStaticPressure a rdf:Property ;
  rdfs:domain ofdd:Equipment ; rdfs:range ofdd:EngineeringQuantity .
ofdd:designPumpHead a rdf:Property ;
  rdfs:domain ofdd:Equipment ; rdfs:range ofdd:EngineeringQuantity .
ofdd:ratedCOP a rdf:Property ;
  rdfs:domain ofdd:Equipment ; rdfs:range ofdd:EngineeringQuantity .
ofdd:ratedEER a rdf:Property ;
  rdfs:domain ofdd:Equipment ; rdfs:range ofdd:EngineeringQuantity .
ofdd:ratedThermalEfficiency a rdf:Property ;
  rdfs:domain ofdd:Equipment ; rdfs:range ofdd:EngineeringQuantity .
ofdd:hasPerformanceCurve a rdf:Property ;
  rdfs:domain ofdd:Equipment .
ofdd:hasComponent a rdf:Property .
ofdd:hasOperatingSchedule a rdf:Property .

# Quantity record fields
ofdd:numericValue a rdf:Property ; rdfs:domain ofdd:EngineeringQuantity ; rdfs:range xsd:decimal .
ofdd:unitCode a rdf:Property ; rdfs:domain ofdd:EngineeringQuantity ; rdfs:range xsd:string .
ofdd:quantityKind a rdf:Property ; rdfs:domain ofdd:EngineeringQuantity ; rdfs:range ofdd:QuantityKind .
ofdd:valueBasis a rdf:Property ; rdfs:domain ofdd:EngineeringQuantity ; rdfs:range ofdd:ValueBasis .
ofdd:sourceType a rdf:Property ; rdfs:domain ofdd:EngineeringQuantity ; rdfs:range xsd:string .
ofdd:sourceReference a rdf:Property ; rdfs:domain ofdd:EngineeringQuantity .
ofdd:sourceLocator a rdf:Property ; rdfs:domain ofdd:EngineeringQuantity ; rdfs:range xsd:string .
ofdd:reviewStatus a rdf:Property ; rdfs:domain ofdd:EngineeringQuantity ; rdfs:range ofdd:ReviewStatus .
ofdd:Equipment a rdfs:Class .