IFC (IFC4X3_ADD2) under development Pset_EnvironmentalImpactIndicators Semantic definition

Environmental impact indicators are related to a given “functional unit” (ISO 14040 concept). An example of functional unit is a "Double glazing window with PVC frame" and the unit to consider is "one square meter of opening elements filled by this product”. Indicators values are valid for the whole life cycle or only a specific phase (see LifeCyclePhase property). Values of all the indicators are expressed per year according to the expected service life. The first five properties capture the characteristics of the functional unit. The following properties are related to environmental indicators. There is a consensus agreement international for the five one. Last ones are not yet fully and formally agreed at the international level. Applicable entities Properties

Name Property Type Data Type Description
Reference IfcPropertySingleValue IfcIdentifier

Reference ID for this specified type in this project (e.g. type 'A-1'), Also referred to as "construction type". It should be provided as an alternative to the name of the "object type", if the software does not support object types and no classification reference to a recognized classification system used.

FunctionalUnitReference IfcPropertySingleValue IfcLabel

Reference to a database or a classification

IndicatorsUnit IfcPropertySingleValue IfcText

The unit of the quantity the environmental indicators values are related with.

LifeCyclePhase IfcPropertyEnumeratedValue PEnum_LifeCyclePhase

The whole life cycle or only a given phase from which environmental data are valid.

ExpectedServiceLife IfcPropertySingleValue IfcTimeMeasure

Expected service life in years.

TotalPrimaryEnergyConsumptionPerUnit IfcPropertySingleValue IfcEnergyMeasure

Quantity of energy used as defined in ISO21930:2007.

WaterConsumptionPerUnit IfcPropertySingleValue IfcVolumeMeasure

Quantity of water used.

HazardousWastePerUnit IfcPropertySingleValue IfcMassMeasure

Quantity of hazardous waste generated

NonHazardousWastePerUnit IfcPropertySingleValue IfcMassMeasure

Quantity of non hazardous waste generated

ClimateChangePerUnit IfcPropertySingleValue IfcMassMeasure

Quantity of greenhouse gases emitted calculated in equivalent CO2

AtmosphericAcidificationPerUnit IfcPropertySingleValue IfcMassMeasure

Quantity of gases responsible for the atmospheric acidification calculated in equivalent SO2

RenewableEnergyConsumptionPerUnit IfcPropertySingleValue IfcEnergyMeasure

Quantity of renewable energy used as defined in ISO21930:2007

NonRenewableEnergyConsumptionPerUnit IfcPropertySingleValue IfcEnergyMeasure

Quantity of non-renewable energy used as defined in ISO21930:2007

ResourceDepletionPerUnit IfcPropertySingleValue IfcMassMeasure

Quantity of resources used calculated in equivalent antimony

InertWastePerUnit IfcPropertySingleValue IfcMassMeasure

Quantity of inert waste generated

RadioactiveWastePerUnit IfcPropertySingleValue IfcMassMeasure

Quantity of radioactive waste generated

StratosphericOzoneLayerDestructionPerUnit IfcPropertySingleValue IfcMassMeasure

Quantity of gases destroying the stratospheric ozone layer calculated in equivalent CFC-R11

PhotochemicalOzoneFormationPerUnit IfcPropertySingleValue IfcMassMeasure

Quantity of gases creating the photochemical ozone calculated in equivalent ethylene

EutrophicationPerUnit IfcPropertySingleValue IfcMassMeasure

Quantity of eutrophicating compounds calculated in equivalent PO4


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Is this page difficult to understand? Let us know! Changelog IFC4

  • New resource IFC4.3_DEV_a2a825a

  • applicability, IfcElementType
  • property, IndicatorsUnit
  • property, Unit