1.1.2 Discipline Specifications

Domestic water requirements are based on occupancy load requirements and performance data for equipment.

The following information is captured for each class of fixture:

• Flow rate
• Flow test
• Volume Per Visit
• Visits per Person per Period
• Minutes in Use
• Numbers of Users
• Efficiency Label
• Volume Per Day
• Input / Output Ratio
• Water Input Grade
• Water Output Grade
• Operating Pressure
• Distance to Source – Civil Plans
• Water Supply Fixture Unit (WSFU)
• Pressure Drop

The following information is captured for available systems that may provide the energy source for water heating:

• Gas
• Oil
• Electrical

The following information is captured for water distribution systems:

• Cost of system based on project type
• Cost of system based on anticipated water input

The following information is captured for project cost control:

• System budget
• Available utilities and rate Structures

Discipline Specifications
Entity/Concept	Attributes	Constraints	I	E
IfcActor
Identity	GlobalId Name Description		-	R
Properties for Occurrences	PredefinedType IsDefinedBy	Name=Pset_ActorCommon;TemplateType=PSET_OCCURRENCEDRIVEN;	-	O
Organization Role	TheActor	Role=USERDEFINED;UserDefinedRole=ElectricalUtility;	-	R
Actor Assignment	IsActingUpon	Type=IfcWorkPlan;	-	R
IfcBuilding
Identity	GlobalId Name Description		-	R
Classification	HasAssociations	Source=CSI;Name=OmniClass;Tokens=11-00 00 00;	-	R
Properties for Occurrences	PredefinedType IsDefinedBy	Name=Pset_BuildingCommon;	-	O
Product Assignment	ReferencedBy	Type=IfcTask;	-	-
Spatial Decomposition	IsDecomposedBy	Spatial Parts=IfcBuildingStorey;	-	O
Building Location	ElevationOfRefHeight ElevationOfTerrain BuildingAddress		-	R
IfcBuildingStorey
Identity	GlobalId Name Description		-	R
Properties for Occurrences	PredefinedType IsDefinedBy	Name=Pset_BuildingStoreyCommon;TemplateType=PSET_OCCURRENCEDRIVEN;	-	-
Building Storey Elevation	Elevation		-	O
Spatial Decomposition	IsDecomposedBy	Spatial Parts=IfcSpace;	-	-
IfcCostSchedule
Identity	GlobalId Name Description		-	R
Nesting	IsNestedBy	Type=IfcCostItem;	-	O
IfcDistributionSystem
Identity	GlobalId Name Description		-	R
Properties for Occurrences	PredefinedType IsDefinedBy	PredefinedType=;Name=Pset_DistributionSystemCommon; PredefinedType=DOMESTICCOLDWATER;Name=Pset_DistributionSystemTypePlumbing;	-	R
Aggregation	PredefinedType IsDecomposedBy	PredefinedType=;RelatedObjects=IfcDistributionCircuit;	-	O
Group Assignment	IsGroupedBy	Type=IfcSanitaryTerminal; Type=IfcPump; Type=IfcValve; Type=IfcBoiler; Type=IfcWasteTerminal; Type=IfcFilter;	-	O
IfcProject
Identity	GlobalId Name Description		R	R
Revision Control	OwnerHistory		O	O
Descriptions	Description		O	O
Spatial Decomposition	IsDecomposedBy	Spatial Parts=IfcSite;	-	-
Conversion Units	UnitsInContext	NamedUnitType=LENGTHUNIT;	O	O
Project Context	RepresentationContexts	ContextIdentifier=Plan;ContextType=2D; ContextIdentifier=Model;ContextType=3D;	-	-
Project Declaration	Declares	Type=IfcSpaceType; Type=IfcOccupant; Type=IfcActor; Type=IfcSpace; Type=IfcWorkPlan; Type=IfcDistributionElementType; Type=IfcDistributionSystem;	-	-
IfcSanitaryTerminal
Identity	GlobalId Name Description		-	R
Object Typing	IsTypedBy		-	-
Properties for Occurrences	PredefinedType IsDefinedBy	PredefinedType=BATH;Name=Pset_SanitaryTerminalTypeBath; PredefinedType=BIDET;Name=Pset_SanitaryTerminalTypeBidet;TemplateType=PSET_TYPEDRIVENOVERRIDE; PredefinedType=CISTERN;Name=Pset_SanitaryTerminalTypeCistern;TemplateType=PSET_TYPEDRIVENOVERRIDE; Name=Pset_SanitaryTerminalTypeCommon;TemplateType=PSET_TYPEDRIVENOVERRIDE; PredefinedType=SANITARYFOUNTAIN;Name=Pset_SanitaryTerminalTypeSanitaryFountain;TemplateType=PSET_TYPEDRIVENOVERRIDE; PredefinedType=SHOWER;Name=Pset_SanitaryTerminalTypeShower;TemplateType=PSET_TYPEDRIVENOVERRIDE; PredefinedType=SINK;Name=Pset_SanitaryTerminalTypeSink;TemplateType=PSET_TYPEDRIVENOVERRIDE; PredefinedType=TOILETPAN;Name=Pset_SanitaryTerminalTypeToiletPan;TemplateType=PSET_TYPEDRIVENOVERRIDE; PredefinedType=URINAL;Name=Pset_SanitaryTerminalTypeUrinal;TemplateType=PSET_TYPEDRIVENOVERRIDE; PredefinedType=WASHHANDBASIN;Name=Pset_SanitaryTerminalTypeWashHandBasin;	-	-
Quantity Sets	IsDefinedBy	Name=Qto_SanitaryTerminalBaseQuantities;	-	-
Ports	PredefinedType IsNestedBy	PredefinedType=BATH;Name=ColdWater;Type=DOMESTICCOLDWATER;Flow=SINK PredefinedType=BATH;Name=HotWater;Type=DOMESTICHOTWATER;Flow=SINK PredefinedType=BATH;Name=Drainage;Type=DRAINAGE;Flow=SOURCE PredefinedType=BIDET;Name=ColdWater;Type=DOMESTICCOLDWATER;Flow=SINK PredefinedType=BIDET;Name=HotWater;Type=DOMESTICHOTWATER;Flow=SINK PredefinedType=BIDET;Name=Drainage;Type=DRAINAGE;Flow=SOURCE PredefinedType=CISTERN;Name=ColdWater;Type=DOMESTICCOLDWATER;Flow=SINK PredefinedType=CISTERN;Name=HotWater;Type=DOMESTICHOTWATER;Flow=SINK PredefinedType=CISTERN;Name=Drainage;Type=DRAINAGE;Flow=SOURCE PredefinedType=SANITARYFOUNTAIN;Name=ColdWater;Type=DOMESTICCOLDWATER;Flow=SINK PredefinedType=SANITARYFOUNTAIN;Name=HotWater;Type=DOMESTICHOTWATER;Flow=SINK PredefinedType=SANITARYFOUNTAIN;Name=Drainage;Type=DRAINAGE;Flow=SOURCE PredefinedType=SHOWER;Name=ColdWater;Type=DOMESTICCOLDWATER;Flow=SINK PredefinedType=SHOWER;Name=HotWater;Type=DOMESTICHOTWATER;Flow=SINK PredefinedType=SHOWER;Name=Drainage;Type=DRAINAGE;Flow=SOURCE PredefinedType=SINK;Name=ColdWater;Type=DOMESTICCOLDWATER;Flow=SINK PredefinedType=SINK;Name=HotWater;Type=DOMESTICHOTWATER;Flow=SINK PredefinedType=SINK;Name=Drainage;Type=DRAINAGE;Flow=SOURCE PredefinedType=TOILETPAN;Name=ColdWater;Type=DOMESTICCOLDWATER;Flow=SINK PredefinedType=TOILETPAN;Name=Drainage;Type=DRAINAGE;Flow=SOURCE PredefinedType=URINAL;Name=ColdWater;Type=DOMESTICCOLDWATER;Flow=SINK PredefinedType=URINAL;Name=Drainage;Type=DRAINAGE;Flow=SOURCE PredefinedType=WASHHANDBASIN;Name=ColdWater;Type=DOMESTICCOLDWATER;Flow=SINK PredefinedType=WASHHANDBASIN;Name=HotWater;Type=DOMESTICHOTWATER;Flow=SINK PredefinedType=WASHHANDBASIN;Name=Drainage;Type=DRAINAGE;Flow=SOURCE	-	-
Placement	ObjectPlacement	Type=IfcLocalPlacement;	-	-
Footprint Geometry	Representation	RepresentationType=GeometricCurveSet;Geometry=IfcGeometricCurveSet;	-	-
Body Geometry	Representation	RepresentationType=MappedRepresentation;Geometry=IfcMappedItem;	-	-
Clearance Geometry	Representation		-	-
Element Connectivity	ConnectedFrom	Type=IfcSlab; Type=IfcCovering; Type=IfcSystemFurnitureElement;	-	-
IfcSite
Identity	GlobalId Name Description		-	R
Site Location	RefLatitude RefLongitude RefElevation LandTitleNumber SiteAddress		-	O
Spatial Decomposition	IsDecomposedBy	Spatial Parts=IfcBuilding;	-	R
Footprint Geometry	Representation	RepresentationType=GeometricCurveSet;Geometry=IfcGeometricCurveSet; RepresentationType=Annotation2D;Geometry=IfcAnnotationFillArea;	-	O
IfcSubContractResource
Identity	GlobalId Name Description		-	R
Object Typing	IsTypedBy		-	-
Resource Cost	BaseCosts		R	R
Resource Quantity	BaseQuantity		R	R
Resource Assignment	ResourceOf	Type=IfcActor;	-	-
IfcSubContractResourceType
Identity	GlobalId Name Description		-	R
Resource Cost Rate	BaseCosts		-	R