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	<ElementType name = "IfcCostModifierValue" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "ModifierAmount"/>
		<attribute type = "Currency" required = "yes"/>
	</ElementType>
	<ElementType name = "IfcCostQuantity" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "BaseQuantity" required = "yes"/>
		<attribute type = "FinalQuantity" required = "yes"/>
		<attribute type = "WasteFactor" required = "yes"/>
		<attribute type = "RoundOffIncrement"/>
		<attribute type = "RoundOffBasis"/>
	</ElementType>
	<ElementType name = "IfcCostSchedule" content = "eltOnly" order = "seq">
		<attribute type = "XMLID"/>
		<attribute type = "GlobalId"/>
		<attribute type = "OwnerHistory"/>
		<attribute type = "Name" required = "yes"/>
		<attribute type = "Description" required = "yes"/>
		<attribute type = "ObjectType" required = "yes"/>
		<attribute type = "IsDefinedBy" required = "yes"/>
		<attribute type = "HasAssociations" required = "yes"/>
		<attribute type = "HasAssignments" required = "yes"/>
		<attribute type = "Decomposes" required = "yes"/>
		<attribute type = "IsDecomposedBy" required = "yes"/>
		<attribute type = "Title"/>
		<attribute type = "SubmittedBy" required = "yes"/>
		<attribute type = "ApprovedBy" required = "yes"/>
		<attribute type = "PreparedBy"/>
		<attribute type = "SubmittedOn" required = "yes"/>
		<attribute type = "TotalCost"/>
		<attribute type = "CostElements"/>
		<attribute type = "Status"/>
		<attribute type = "IntendedUse" required = "yes"/>
		<attribute type = "TargetUsers" required = "yes"/>
		<attribute type = "ValidFromDate" required = "yes"/>
		<attribute type = "ValidToDate" required = "yes"/>
		<attribute type = "UpdateDate" required = "yes"/>
		<attribute type = "ScheduleNumber"/>
		<element type = "Comments" minOccurs = "1" maxOccurs = "*"/>
	</ElementType>
	<ElementType name = "IfcCostValue" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "BaseCostValue" required = "yes"/>
		<attribute type = "FinalCostValue" required = "yes"/>
		<attribute type = "Currency" required = "yes"/>
		<attribute type = "UnitCostBasis" required = "yes"/>
		<attribute type = "CostType"/>
		<attribute type = "CostDate" required = "yes"/>
		<attribute type = "CostModifiers"/>
	</ElementType>
	<ElementType name = "IfcDateAndTime" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "DateComponent"/>
		<attribute type = "TimeComponent"/>
	</ElementType>
	<ElementType name = "IfcDerivedUnit" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "Elements"/>
		<attribute type = "UnitType"/>
		<attribute type = "UserDefinedType" required = "yes"/>
	</ElementType>
	<ElementType name = "IfcDerivedUnitElement" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "Unit"/>
		<attribute type = "Exponent"/>
	</ElementType>
	<ElementType name = "IfcDimensionalExponents" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "LengthExponent"/>
		<attribute type = "MassExponent"/>
		<attribute type = "TimeExponent"/>
		<attribute type = "ElectricCurrentExponent"/>
		<attribute type = "ThermodynamicTemperatureExponent"/>
		<attribute type = "AmountOfSubstanceExponent"/>
		<attribute type = "LuminousIntensityExponent"/>
	</ElementType>
	<ElementType name = "IfcDocumentElectronicFormat" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "FileExtension" required = "yes"/>
		<attribute type = "MimeContentType" required = "yes"/>
		<attribute type = "MimeSubtype" required = "yes"/>
	</ElementType>
	<ElementType name = "IfcDocumentInformation" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "DocumentId"/>
		<attribute type = "Name" required = "yes"/>
		<attribute type = "Description" required = "yes"/>
		<attribute type = "DocumentReferences"/>
		<attribute type = "Purpose"/>
		<attribute type = "IntendedUse" required = "yes"/>
		<attribute type = "Scope" required = "yes"/>
		<attribute type = "Revision" required = "yes"/>
		<attribute type = "DocumentOwner" required = "yes"/>
		<attribute type = "Editors" required = "yes"/>
		<attribute type = "CreationTime" required = "yes"/>
		<attribute type = "LastRevisionTime" required = "yes"/>
		<attribute type = "ElectronicFormat" required = "yes"/>
		<attribute type = "ValidFrom" required = "yes"/>
		<attribute type = "ValidUntil" required = "yes"/>
		<attribute type = "Confidentiality" required = "yes"/>
		<attribute type = "Status"/>
	</ElementType>
	<ElementType name = "IfcDocumentReference" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "Location" required = "yes"/>
		<attribute type = "ItemReference" required = "yes"/>
		<attribute type = "Name" required = "yes"/>
	</ElementType>
	<ElementType name = "IfcElementQuantity" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "GlobalId"/>
		<attribute type = "OwnerHistory"/>
		<attribute type = "Name" required = "yes"/>
		<attribute type = "Description" required = "yes"/>
		<attribute type = "PropertyDefinitionOf" required = "yes"/>
		<attribute type = "MethodOfMeasurement"/>
		<attribute type = "Quantities"/>
	</ElementType>
	<ElementType name = "IfcLocalTime" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "HourComponent"/>
		<attribute type = "MinuteComponent" required = "yes"/>
		<attribute type = "SecondComponent" required = "yes"/>
		<attribute type = "Zone" required = "yes"/>
		<attribute type = "DaylightSavingOffset" required = "yes"/>
	</ElementType>
	<ElementType name = "IfcManufacturerInformation" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "GlobalId"/>
		<attribute type = "OwnerHistory"/>
		<attribute type = "Name" required = "yes"/>
		<attribute type = "Description" required = "yes"/>
		<attribute type = "PropertyDefinitionOf" required = "yes"/>
		<attribute type = "ModelLabel" required = "yes"/>
		<attribute type = "ModelReference" required = "yes"/>
		<attribute type = "Manufacturer" required = "yes"/>
		<attribute type = "QuantityInformation"/>
	</ElementType>
	<ElementType name = "IfcMaterial" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "Name" required = "yes"/>
	</ElementType>
	<ElementType name = "IfcMaterialLayer" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "Material" required = "yes"/>
		<attribute type = "LayerThickness"/>
		<attribute type = "IsVentilated" required = "yes"/>
	</ElementType>
	<ElementType name = "IfcMaterialLayerSet" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "MaterialLayers"/>
		<attribute type = "LayerSetName" required = "yes"/>
	</ElementType>
	<ElementType name = "IfcMaterialLayerSetUsage" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "ForLayerSet"/>
		<attribute type = "LayerSetDirection"/>
		<attribute type = "DirectionSense"/>
		<attribute type = "OffsetFromReferenceLine"/>
	</ElementType>
	<ElementType name = "IfcMaterialList" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "Materials"/>
	</ElementType>
	<ElementType name = "IfcMeasureWithUnit" content = "empty">
		<attribute type = "XMLID"/>
	</ElementType>
	<ElementType name = "IfcMonetaryUnit" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "Currency" required = "yes"/>
	</ElementType>
	<ElementType name = "IfcOrganization" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "Id" required = "yes"/>
		<attribute type = "Name" required = "yes"/>
		<attribute type = "Description" required = "yes"/>
		<attribute type = "Roles"/>
		<attribute type = "Addresses"/>
	</ElementType>
	<ElementType name = "IfcPerson" content = "eltOnly" order = "seq">
		<attribute type = "XMLID"/>
		<attribute type = "Id" required = "yes"/>
		<attribute type = "FamilyName" required = "yes"/>
		<attribute type = "GivenName" required = "yes"/>
		<attribute type = "Roles"/>
		<attribute type = "Addresses"/>
		<element type = "MiddleNames" minOccurs = "1" maxOccurs = "*"/>
		<element type = "PrefixTitles" minOccurs = "1" maxOccurs = "*"/>
		<element type = "SuffixTitles" minOccurs = "1" maxOccurs = "*"/>
	</ElementType>
	<ElementType name = "IfcPersonAndOrganization" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "ThePerson"/>
		<attribute type = "TheOrganization"/>
		<attribute type = "Roles"/>
	</ElementType>
	<ElementType name = "IfcPostalAddress" content = "eltOnly" order = "seq">
		<attribute type = "XMLID"/>
		<attribute type = "Purpose"/>
		<attribute type = "Description" required = "yes"/>
		<attribute type = "UserDefinedPurpose" required = "yes"/>
		<attribute type = "OfPerson" required = "yes"/>
		<attribute type = "OfOrganization" required = "yes"/>
		<attribute type = "InternalLocation" required = "yes"/>
		<attribute type = "PostalBox" required = "yes"/>
		<attribute type = "Town" required = "yes"/>
		<attribute type = "Region" required = "yes"/>
		<attribute type = "PostalCode" required = "yes"/>
		<attribute type = "Country" required = "yes"/>
		<element type = "AddressLines" minOccurs = "1" maxOccurs = "*"/>
	</ElementType>
	<ElementType name = "IfcProject" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "GlobalId"/>
		<attribute type = "OwnerHistory"/>
		<attribute type = "Name" required = "yes"/>
		<attribute type = "Description" required = "yes"/>
		<attribute type = "ObjectType" required = "yes"/>
		<attribute type = "IsDefinedBy" required = "yes"/>
		<attribute type = "HasAssociations" required = "yes"/>
		<attribute type = "HasAssignments" required = "yes"/>
		<attribute type = "Decomposes" required = "yes"/>
		<attribute type = "IsDecomposedBy" required = "yes"/>
		<attribute type = "LongName" required = "yes"/>
		<attribute type = "Phase" required = "yes"/>
		<attribute type = "UnitsInContext"/>
	</ElementType>
	<ElementType name = "IfcQuantityArea" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "Name" required = "yes"/>
		<attribute type = "Description" required = "yes"/>
		<attribute type = "Unit"/>
		<attribute type = "AreaValue"/>
	</ElementType>
	<ElementType name = "IfcQuantityCount" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "Name" required = "yes"/>
		<attribute type = "Description" required = "yes"/>
		<attribute type = "Unit"/>
		<attribute type = "CountValue"/>
	</ElementType>
	<ElementType name = "IfcQuantityLength" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "Name" required = "yes"/>
		<attribute type = "Description" required = "yes"/>
		<attribute type = "Unit"/>
		<attribute type = "LengthValue"/>
	</ElementType>
	<ElementType name = "IfcQuantityVolume" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "Name" required = "yes"/>
		<attribute type = "Description" required = "yes"/>
		<attribute type = "Unit"/>
		<attribute type = "VolumeValue"/>
	</ElementType>
	<ElementType name = "IfcQuantityWeight" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "Name" required = "yes"/>
		<attribute type = "Description" required = "yes"/>
		<attribute type = "Unit"/>
		<attribute type = "WeightValue"/>
	</ElementType>
	<ElementType name = "IfcRelAggregates" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "GlobalId"/>
		<attribute type = "OwnerHistory"/>
		<attribute type = "Name" required = "yes"/>
		<attribute type = "Description" required = "yes"/>
		<attribute type = "RelatingObject"/>
		<attribute type = "RelatedObjects"/>
	</ElementType>
	<ElementType name = "IfcRelAssignsToActor" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "GlobalId"/>
		<attribute type = "OwnerHistory"/>
		<attribute type = "Name" required = "yes"/>
		<attribute type = "Description" required = "yes"/>
		<attribute type = "RelatedObjects"/>
		<attribute type = "RelatedObjectsType" required = "yes"/>
		<attribute type = "RelatingActor"/>
		<attribute type = "ActingRole" required = "yes"/>
	</ElementType>
	<ElementType name = "IfcRelAssignsToControl" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "GlobalId"/>
		<attribute type = "OwnerHistory"/>
		<attribute type = "Name" required = "yes"/>
		<attribute type = "Description" required = "yes"/>
		<attribute type = "RelatedObjects"/>
		<attribute type = "RelatedObjectsType" required = "yes"/>
		<attribute type = "RelatingControl"/>
	</ElementType>
	<ElementType name = "IfcRelAssociatesClassification" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "GlobalId"/>
		<attribute type = "OwnerHistory"/>
		<attribute type = "Name" required = "yes"/>
		<attribute type = "Description" required = "yes"/>
		<attribute type = "RelatedObjects"/>
		<attribute type = "RelatingClassification"/>
	</ElementType>
	<ElementType name = "IfcRelAssociatesDocument" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "GlobalId"/>
		<attribute type = "OwnerHistory"/>
		<attribute type = "Name" required = "yes"/>
		<attribute type = "Description" required = "yes"/>
		<attribute type = "RelatedObjects"/>
		<attribute type = "RelatingDocument"/>
	</ElementType>
	<ElementType name = "IfcRelAssociatesMaterial" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "GlobalId"/>
		<attribute type = "OwnerHistory"/>
		<attribute type = "Name" required = "yes"/>
		<attribute type = "Description" required = "yes"/>
		<attribute type = "RelatedObjects"/>
		<attribute type = "RelatingMaterial"/>
	</ElementType>
	<ElementType name = "IfcRelContainedInSpatialStructure" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "GlobalId"/>
		<attribute type = "OwnerHistory"/>
		<attribute type = "Name" required = "yes"/>
		<attribute type = "Description" required = "yes"/>
		<attribute type = "RelatedElements"/>
		<attribute type = "RelatingStructure"/>
	</ElementType>
	<ElementType name = "IfcRelCostsObjects" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "GlobalId"/>
		<attribute type = "OwnerHistory"/>
		<attribute type = "Name" required = "yes"/>
		<attribute type = "Description" required = "yes"/>
		<attribute type = "RelatedObjects"/>
		<attribute type = "RelatedObjectsType" required = "yes"/>
		<attribute type = "RelatingControl"/>
	</ElementType>
	<ElementType name = "IfcRelDefinesByProperties" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "GlobalId"/>
		<attribute type = "OwnerHistory"/>
		<attribute type = "Name" required = "yes"/>
		<attribute type = "Description" required = "yes"/>
		<attribute type = "RelatedObjects"/>
		<attribute type = "RelatingPropertyDefinition"/>
	</ElementType>
	<ElementType name = "IfcSIUnit" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "UnitType"/>
		<attribute type = "Prefix" required = "yes"/>
		<attribute type = "Name" required = "yes"/>
	</ElementType>
	<ElementType name = "IfcSite" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "GlobalId"/>
		<attribute type = "OwnerHistory"/>
		<attribute type = "Name" required = "yes"/>
		<attribute type = "Description" required = "yes"/>
		<attribute type = "ObjectType" required = "yes"/>
		<attribute type = "IsDefinedBy" required = "yes"/>
		<attribute type = "HasAssociations" required = "yes"/>
		<attribute type = "HasAssignments" required = "yes"/>
		<attribute type = "Decomposes" required = "yes"/>
		<attribute type = "IsDecomposedBy" required = "yes"/>
		<attribute type = "LongName" required = "yes"/>
		<attribute type = "CompositionType"/>
		<attribute type = "ContainsElements" required = "yes"/>
		<attribute type = "RefLatitude" required = "yes"/>
		<attribute type = "RefLongitude" required = "yes"/>
		<attribute type = "RefElevation" required = "yes"/>
		<attribute type = "LandTitleNumber" required = "yes"/>
		<attribute type = "SiteAddress" required = "yes"/>
	</ElementType>
	<ElementType name = "IfcTelecomAddress" content = "eltOnly" order = "seq">
		<attribute type = "XMLID"/>
		<attribute type = "Purpose"/>
		<attribute type = "Description" required = "yes"/>
		<attribute type = "UserDefinedPurpose" required = "yes"/>
		<attribute type = "OfPerson" required = "yes"/>
		<attribute type = "OfOrganization" required = "yes"/>
		<attribute type = "PagerNumber" required = "yes"/>
		<attribute type = "WWWHomePageURL" required = "yes"/>
		<element type = "TelephoneNumbers" minOccurs = "1" maxOccurs = "*"/>
		<element type = "FacsimileNumbers" minOccurs = "1" maxOccurs = "*"/>
		<element type = "ElectronicMailAddresses" minOccurs = "1" maxOccurs = "*"/>
	</ElementType>
	<ElementType name = "IfcUnitAssignment" content = "empty">
		<attribute type = "XMLID"/>
		<attribute type = "Units"/>
	</ElementType>
	<ElementType name = "BLIS-XML_for_COS" content = "eltOnly" order = "seq">
		<attribute type = "schema" required = "yes"/>
		<element type = "FILE_HEADER_SECTION"/>
		<element type = "IfcActor" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcActorRole" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcBudget" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcBuilding" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcBuildingStorey" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcCalendarDate" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcClassification" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcClassificationNotation" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcClassificationNotationFacet" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcClassificationReference" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcContextDependentUnit" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcConversionBasedUnit" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcCoordinatedUniversalTimeOffset" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcCost" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcCostModifier" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcCostModifierValue" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcCostQuantity" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcCostSchedule" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcCostValue" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcDateAndTime" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcDerivedUnit" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcDerivedUnitElement" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcDimensionalExponents" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcDocumentElectronicFormat" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcDocumentInformation" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcDocumentReference" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcElementQuantity" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcLocalTime" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcManufacturerInformation" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcMaterial" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcMaterialLayer" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcMaterialLayerSet" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcMaterialLayerSetUsage" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcMaterialList" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcMeasureWithUnit" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcMonetaryUnit" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcOrganization" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcPerson" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcPersonAndOrganization" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcPostalAddress" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcProject" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcQuantityArea" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcQuantityCount" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcQuantityLength" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcQuantityVolume" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcQuantityWeight" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcRelAggregates" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcRelAssignsToActor" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcRelAssignsToControl" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcRelAssociatesClassification" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcRelAssociatesDocument" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcRelAssociatesMaterial" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcRelContainedInSpatialStructure" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcRelCostsObjects" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcRelDefinesByProperties" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcSIUnit" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcSite" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcTelecomAddress" minOccurs = "0" maxOccurs = "*"/>
		<element type = "IfcUnitAssignment" minOccurs = "0" maxOccurs = "*"/>
	</ElementType>
</Schema>