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<h4><a id="discipline specifications" name="discipline specifications">1.1.2 Discipline Specifications</a></h4>
<p class="std">
<p>Electrical project requirements are based on electrical usage criteria as well as equipment determined from usage criteria of other systems such as HVAC and other mechanical systems.</p>


<ul>

<li>Occupation: Number of occupants, hours of occupancy, occupancy type</li>

<li>Cost: Level of finishes</li>

<li>Architectural: Size of building, number of floors, floor height</li>
<li>Environment: Heating, cooling, central/unitary</li>

<li>Illumination: Lighting level, light sources, daylighting, site lighting</li>
<li>HVAC: Pumps, chillers, fans (power/area for each space)</li>

<li>Transport: Elevators, escalators</li>

<li>Control: Automation systems</li>

</ul>




<p></p>
<table class="exchange">
<tr><th colspan="5"><img src="../../../img/mvd-discipline-specifications.png" />&nbsp; Discipline Specifications</th></tr>
<tr><th>Entity/Concept</th><th>Attributes</th><th>Constraints</th><th>I</th><th>E</th></tr>
<tr><td colspan="5"><b><a href="../../ifcproductextension/lexical/ifcbuilding.htm">IfcBuilding</a></b></td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifcbuilding.htm#identity">Identity</a></td><td>GlobalId<br/>Name<br/>Description</td><td></td><td>-</td><td>R</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifcbuilding.htm#classification">Classification</a></td><td>HasAssociations</td><td>Source=CSI;Name=OmniClass;Tokens=11-00-00-00;</td><td>-</td><td>R</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifcbuilding.htm#properties-for-occurrences">Properties for Occurrences</a></td><td>PredefinedType<br/>IsDefinedBy</td><td>PredefinedType=;Name=Pset_BuildingCommon;<br/>PredefinedType=;Name=Pset_UtilityConsumptionPHistory;</td><td>-</td><td>O</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifcbuilding.htm#spatial-decomposition">Spatial Decomposition</a></td><td>IsDecomposedBy</td><td>Spatial Parts=IfcBuildingStorey;</td><td>-</td><td>-</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifcbuilding.htm#building-location">Building Location</a></td><td>ElevationOfRefHeight<br/>ElevationOfTerrain<br/>BuildingAddress</td><td></td><td>-</td><td>-</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifcbuilding.htm#placement">Placement</a></td><td>ObjectPlacement</td><td></td><td>-</td><td>-</td></tr>
<tr><td colspan="5"><b><a href="../../ifcproductextension/lexical/ifcbuildingstorey.htm">IfcBuildingStorey</a></b></td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifcbuildingstorey.htm#identity">Identity</a></td><td>GlobalId<br/>Name<br/>Description</td><td></td><td>-</td><td>R</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifcbuildingstorey.htm#element-decomposition">Element Decomposition</a></td><td>IsDecomposedBy</td><td>RelatedObjects=IfcSpace;</td><td>-</td><td>-</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifcbuildingstorey.htm#properties-for-occurrences">Properties for Occurrences</a></td><td>PredefinedType<br/>IsDefinedBy</td><td>Name=Pset_BuildingStoreyCommon;TemplateType=PSET_OCCURRENCEDRIVEN;</td><td>-</td><td>-</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifcbuildingstorey.htm#spatial-decomposition">Spatial Decomposition</a></td><td>IsDecomposedBy</td><td></td><td>-</td><td>-</td></tr>
<tr><td colspan="5"><b><a href="../../ifcsharedbldgserviceelements/lexical/ifcdistributionsystem.htm">IfcDistributionSystem</a></b></td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcsharedbldgserviceelements/lexical/ifcdistributionsystem.htm#identity">Identity</a></td><td>GlobalId<br/>Name<br/>Description</td><td></td><td>-</td><td>R</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcsharedbldgserviceelements/lexical/ifcdistributionsystem.htm#properties-for-occurrences">Properties for Occurrences</a></td><td>PredefinedType<br/>IsDefinedBy</td><td>PredefinedType=;Name=Pset_DistributionSystemCommon;<br/>PredefinedType=ELECTRICAL;Name=Pset_DistributionSystemTypeElectrical;<br/>PredefinedType=ELECTRICAL;Name=SPARKie_DistributionSystemTypeElectrical;</td><td>-</td><td>R</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcsharedbldgserviceelements/lexical/ifcdistributionsystem.htm#aggregation">Aggregation</a></td><td>PredefinedType<br/>IsDecomposedBy</td><td>PredefinedType=;RelatedObjects=IfcDistributionCircuit;</td><td>-</td><td>-</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcsharedbldgserviceelements/lexical/ifcdistributionsystem.htm#group-assignment">Group Assignment</a></td><td>IsGroupedBy</td><td>Type=IfcElectricDistributionBoard;</td><td>-</td><td>-</td></tr>
<tr><td colspan="5"><b><a href="../../ifcsharedfacilitieselements/lexical/ifcoccupant.htm">IfcOccupant</a></b></td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcsharedfacilitieselements/lexical/ifcoccupant.htm#identity">Identity</a></td><td>GlobalId<br/>Name<br/>Description</td><td></td><td>-</td><td>R</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcsharedfacilitieselements/lexical/ifcoccupant.htm#actor-assignment">Actor Assignment</a></td><td>IsActingUpon</td><td>Type=IfcSpatialStructureElement;<br/>Type=IfcWorkCalendar;<br/>Type=IfcWorkPlan;</td><td>-</td><td>R</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcsharedfacilitieselements/lexical/ifcoccupant.htm#properties-for-occurrences">Properties for Occurrences</a></td><td>PredefinedType<br/>IsDefinedBy</td><td>Name=Pset_ActorCommon;TemplateType=PSET_OCCURRENCEDRIVEN;</td><td>-</td><td>R</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcsharedfacilitieselements/lexical/ifcoccupant.htm#organization-role">Organization Role</a></td><td>TheActor</td><td>Role=USERDEFINED;UserDefinedRole=ElectricalUtility;</td><td>-</td><td>-</td></tr>
<tr><td colspan="5"><b><a href="../../ifckernel/lexical/ifcproject.htm">IfcProject</a></b></td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifckernel/lexical/ifcproject.htm#identity">Identity</a></td><td>GlobalId<br/>Name<br/>Description</td><td></td><td>R</td><td>R</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifckernel/lexical/ifcproject.htm#revision-control">Revision Control</a></td><td>OwnerHistory</td><td></td><td>O</td><td>O</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifckernel/lexical/ifcproject.htm#descriptions">Descriptions</a></td><td>Description</td><td></td><td>O</td><td>O</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifckernel/lexical/ifcproject.htm#spatial-decomposition">Spatial Decomposition</a></td><td>IsDecomposedBy</td><td>Spatial Parts=IfcSite;</td><td>R</td><td>R</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifckernel/lexical/ifcproject.htm#conversion-units">Conversion Units</a></td><td>UnitsInContext</td><td>NamedUnitType=LENGTHUNIT;</td><td>O</td><td>O</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifckernel/lexical/ifcproject.htm#project-context">Project Context</a></td><td>RepresentationContexts</td><td></td><td>R</td><td>R</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifckernel/lexical/ifcproject.htm#project-declaration">Project Declaration</a></td><td>Declares</td><td>Type=IfcSpaceType;<br/>Type=IfcOccupant;<br/>Type=IfcActor;<br/>Type=IfcSpace;<br/>Type=IfcWorkPlan;<br/>Type=IfcDistributionElementType;<br/>Type=IfcDistributionSystem;</td><td>-</td><td>O</td></tr>
<tr><td colspan="5"><b><a href="../../ifcproductextension/lexical/ifcsite.htm">IfcSite</a></b></td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifcsite.htm#identity">Identity</a></td><td>GlobalId<br/>Name<br/>Description</td><td></td><td>-</td><td>R</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifcsite.htm#site-location">Site Location</a></td><td>RefLatitude<br/>RefLongitude<br/>RefElevation<br/>LandTitleNumber<br/>SiteAddress</td><td></td><td>R</td><td>R</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifcsite.htm#spatial-decomposition">Spatial Decomposition</a></td><td>IsDecomposedBy</td><td>Spatial Parts=IfcBuilding;</td><td>R</td><td>R</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifcsite.htm#footprint-geometry">Footprint Geometry</a></td><td>Representation</td><td>RepresentationType=GeometricCurveSet;Geometry=IfcGeometricCurveSet;<br/>RepresentationType=Annotation2D;Geometry=IfcAnnotationFillArea;</td><td>O</td><td>O</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifcsite.htm#body-geometry">Body Geometry</a></td><td>Representation</td><td></td><td>-</td><td>-</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifcsite.htm#placement">Placement</a></td><td>ObjectPlacement</td><td></td><td>-</td><td>-</td></tr>
<tr><td colspan="5"><b><a href="../../ifcproductextension/lexical/ifcspace.htm">IfcSpace</a></b></td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifcspace.htm#identity">Identity</a></td><td>GlobalId<br/>Name<br/>Description</td><td></td><td>R</td><td>R</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifcspace.htm#object-typing">Object Typing</a></td><td>IsTypedBy</td><td>Type=IfcSpaceType;</td><td>-</td><td>-</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifcspace.htm#properties-for-occurrences">Properties for Occurrences</a></td><td>PredefinedType<br/>IsDefinedBy</td><td>PredefinedType=;Name=SPARKie_SpaceElectricalRequirements;<br/>PredefinedType=;Name=Pset_SpaceLightingRequirements;<br/>PredefinedType=;Name=Pset_SpaceOccupancyRequirements;<br/>PredefinedType=;Name=Pset_SpaceCommon;</td><td>-</td><td>O</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifcspace.htm#placement">Placement</a></td><td>ObjectPlacement</td><td>Type=IfcLocalPlacement;</td><td>-</td><td>-</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifcspace.htm#space-coverings">Space Coverings</a></td><td>HasCoverings</td><td>CoveringType=CEILING;</td><td>-</td><td>-</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifcspace.htm#classification">Classification</a></td><td>HasAssociations</td><td>Source=CSI;Name=OmniClass;Tokens=13-00 00 00;</td><td>-</td><td>-</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifcspace.htm#body-geometry">Body Geometry</a></td><td>Representation</td><td></td><td>-</td><td>-</td></tr>
<tr><td colspan="5"><b><a href="../../ifcconstructionmgmtdomain/lexical/ifcsubcontractresource.htm">IfcSubContractResource</a></b></td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcconstructionmgmtdomain/lexical/ifcsubcontractresource.htm#identity">Identity</a></td><td>GlobalId<br/>Name<br/>Description</td><td></td><td>R</td><td>R</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcconstructionmgmtdomain/lexical/ifcsubcontractresource.htm#object-typing">Object Typing</a></td><td>IsTypedBy</td><td></td><td>-</td><td>-</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcconstructionmgmtdomain/lexical/ifcsubcontractresource.htm#resource-cost">Resource Cost</a></td><td>BaseCosts</td><td></td><td>R</td><td>R</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcconstructionmgmtdomain/lexical/ifcsubcontractresource.htm#resource-quantity">Resource Quantity</a></td><td>BaseQuantity</td><td></td><td>R</td><td>R</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcconstructionmgmtdomain/lexical/ifcsubcontractresource.htm#resource-assignment">Resource Assignment</a></td><td>ResourceOf</td><td>Type=IfcActor;</td><td>-</td><td>-</td></tr>
<tr><td colspan="5"><b><a href="../../ifcconstructionmgmtdomain/lexical/ifcsubcontractresourcetype.htm">IfcSubContractResourceType</a></b></td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcconstructionmgmtdomain/lexical/ifcsubcontractresourcetype.htm#identity">Identity</a></td><td>GlobalId<br/>Name<br/>Description</td><td></td><td>R</td><td>R</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcconstructionmgmtdomain/lexical/ifcsubcontractresourcetype.htm#resource-cost-rate">Resource Cost Rate</a></td><td>BaseCosts</td><td></td><td>R</td><td>R</td></tr>
<tr><td colspan="5"><b><a href="../../ifcproductextension/lexical/ifctransportelement.htm">IfcTransportElement</a></b></td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifctransportelement.htm#identity">Identity</a></td><td>GlobalId<br/>Name<br/>Description</td><td></td><td>R</td><td>R</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifctransportelement.htm#object-typing">Object Typing</a></td><td>IsTypedBy</td><td></td><td>-</td><td>-</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifctransportelement.htm#properties-for-occurrences">Properties for Occurrences</a></td><td>PredefinedType<br/>IsDefinedBy</td><td></td><td>-</td><td>R</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifctransportelement.htm#placement">Placement</a></td><td>ObjectPlacement</td><td></td><td>-</td><td>-</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifctransportelement.htm#body-geometry">Body Geometry</a></td><td>Representation</td><td>RepresentationType=SurfaceModel;Geometry=IfcFaceBasedSurfaceModel;<br/>RepresentationType=Brep;Geometry=IfcFacetedBrep;<br/>RepresentationType=Tessellation;Geometry=IfcTriangulatedFaceSet;<br/>RepresentationType=MappedRepresentation;Geometry=IfcMappedItem;</td><td>-</td><td>-</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifctransportelement.htm#ports">Ports</a></td><td>PredefinedType<br/>IsNestedBy</td><td></td><td>-</td><td>-</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifctransportelement.htm#spatial-containment">Spatial Containment</a></td><td>ContainedInStructure</td><td></td><td>-</td><td>-</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifcproductextension/lexical/ifctransportelement.htm#classification">Classification</a></td><td>HasAssociations</td><td></td><td>-</td><td>-</td></tr>
<tr><td colspan="5"><b><a href="../../ifchvacdomain/lexical/ifcunitaryequipment.htm">IfcUnitaryEquipment</a></b></td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifchvacdomain/lexical/ifcunitaryequipment.htm#identity">Identity</a></td><td>GlobalId<br/>Name<br/>Description</td><td></td><td>-</td><td>R</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifchvacdomain/lexical/ifcunitaryequipment.htm#object-typing">Object Typing</a></td><td>IsTypedBy</td><td>Type=IfcDistributionElementType;</td><td>-</td><td>-</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifchvacdomain/lexical/ifcunitaryequipment.htm#properties-for-occurrences">Properties for Occurrences</a></td><td>PredefinedType<br/>IsDefinedBy</td><td>Name=Pset_ElectricalDeviceCommon;TemplateType=PSET_TYPEDRIVENOVERRIDE;</td><td>-</td><td>O</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifchvacdomain/lexical/ifcunitaryequipment.htm#ports">Ports</a></td><td>PredefinedType<br/>IsNestedBy</td><td>PredefinedType=AIRHANDLER;Name=ReturnAirIn;Type=AIRCONDITIONING;Flow=SINK<br/>PredefinedType=AIRHANDLER;Name=SupplyAirOut;Type=AIRCONDITIONING;Flow=SOURCE<br/>PredefinedType=AIRHANDLER;Name=OutsideAirIn;Type=VENTILATION;Flow=SINK<br/>PredefinedType=AIRHANDLER;Name=ExhaustAirOut;Type=EXHAUST;Flow=SOURCE<br/>PredefinedType=AIRHANDLER;Name=ChilledWaterIn;Type=CHILLEDWATER;Flow=SINK<br/>PredefinedType=AIRHANDLER;Name=ChilledWaterOut;Type=CHILLEDWATER;Flow=SOURCE<br/>PredefinedType=AIRHANDLER;Name=HeatingIn;Type=HEATING;Flow=SINK<br/>PredefinedType=AIRHANDLER;Name=HeatingOut;Type=HEATING;Flow=SOURCE<br/>PredefinedType=AIRHANDLER;Name=Power;Type=ELECTRICAL;Flow=SINK<br/>PredefinedType=AIRHANDLER;Name=Control;Type=CONTROL;Flow=SINK</td><td>-</td><td>-</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifchvacdomain/lexical/ifcunitaryequipment.htm#spatial-containment">Spatial Containment</a></td><td>ContainedInStructure</td><td></td><td>-</td><td>-</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifchvacdomain/lexical/ifcunitaryequipment.htm#body-geometry">Body Geometry</a></td><td>Representation</td><td>RepresentationType=Brep;Geometry=IfcFacetedBrep;<br/>RepresentationType=SurfaceModel;Geometry=IfcFaceBasedSurfaceModel;<br/>RepresentationType=SweptSolid;Geometry=IfcExtrudedAreaSolid;<br/>RepresentationType=SectionedSpine;Geometry=IfcSectionedSpine;<br/>RepresentationType=CSG;Geometry=IfcCsgSolid;<br/>RepresentationType=Tessellation;Geometry=IfcTriangulatedFaceSet;<br/>RepresentationType=MappedRepresentation;Geometry=IfcMappedItem;</td><td>-</td><td>-</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifchvacdomain/lexical/ifcunitaryequipment.htm#placement">Placement</a></td><td>ObjectPlacement</td><td></td><td>-</td><td>-</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifchvacdomain/lexical/ifcunitaryequipment.htm#classification">Classification</a></td><td>HasAssociations</td><td></td><td>-</td><td>-</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifchvacdomain/lexical/ifcunitaryequipment.htm#properties-for-types">Properties for Types</a></td><td>HasPropertySets</td><td></td><td>-</td><td>-</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifchvacdomain/lexical/ifcunitaryequipment.htm#footprint-geometry">Footprint Geometry</a></td><td>Representation</td><td>RepresentationType=GeometricCurveSet;Geometry=IfcGeometricCurveSet;</td><td>-</td><td>-</td></tr>
<tr><td>&nbsp;&nbsp;<a href="../../ifchvacdomain/lexical/ifcunitaryequipment.htm#clearance-geometry">Clearance Geometry</a></td><td>Representation</td><td></td><td>-</td><td>-</td></tr>
</table>
</p>
