Feature Type
The Energy Systems Integration Facility's integrated thermal distribution system consists of a thermal water loop connected to a boiler and chiller that provide precise and efficient control of the water temperature.
energy:AbstractEnergyDistributionSystem
               Attribute type: core:creationDate | 
            
Date the city object was generated.
0..1
Date
               Attribute type: core:terminationDate | 
            
????
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Date
               Attribute type: core:externalReference | 
            
Reference to a corresponding object in another information system, for example in the German cadastre (ALKIS), the German
         topographic information system (ATKIS), or the OS MasterMap®.
      
0..*
ExternalReference (DataType)
               Attribute type: core:relativeToTerrain | 
            
Location of the city object relative to the surrounding terrain.
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RelativeToTerrain (Enumeration)
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                Code  | 
            
                Text  | 
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                entirelyAboveTerrain  | 
            
                entirelyAboveTerrain  | 
            
               Object is located entirely above terrain.
             | 
         
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                substantiallyAboveTerrain  | 
            
                substantiallyAboveTerrain  | 
            
               Most, but not all parts of the object are located above terrain.
             | 
         
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                substantiallyAboveAndBelowTerrain  | 
            
                substantiallyAboveAndBelowTerrain  | 
            
               Parts of the object are located above terrain, and other parts below terrain.
             | 
         
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                substantiallyBelowTerrain  | 
            
                substantiallyBelowTerrain  | 
            
               Most, but not all parts of the object are located below terrain.
             | 
         
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                entirelyBelowTerrain  | 
            
                entirelyBelowTerrain  | 
            
               All parts of the object are located below terrain.
             | 
         
               Attribute type: core:relativeToWater | 
            
Location of the city object relative to the surrounding water surface.
0..1
RelativeToWater (Enumeration)
| 
                Code  | 
            
                Text  | 
         |
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                entirelyAboveWaterSurface  | 
            
                entirelyAboveWaterSurface  | 
            
               Object is located entirely above water surface..
             | 
         
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                substantiallyAboveWaterSurface  | 
            
                substantiallyAboveWaterSurface  | 
            
               Most, but not all parts of the object are located above water surface.
             | 
         
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                substantiallyAboveAndBelowWaterSurface  | 
            
                substantiallyAboveAndBelowWaterSurface  | 
            
               Parts of the object are located above water surface, and other parts below water surface.
             | 
         
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                substantiallyBelowWaterSurface  | 
            
                substantiallyBelowWaterSurface  | 
            
               Most, but not all parts of the object are located below water surface.
             | 
         
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                entirelyBelowWaterSurface  | 
            
                entirelyBelowWaterSurface  | 
            
               All parts of the object are located below water surface.
             | 
         
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                temporarilyAboveAndBelowWaterSurface  | 
            
                temporarilyAboveAndBelowWaterSurface  | 
            
               The height of the water surface is varying and the object temporily is located above or below water level.
             | 
         
               Attribute type: core:appearance | 
            
0..*
AbstractAppearance
               Attribute type: core:genericAttribute | 
            
Additional property of the city object
0..*
AbstractGenericAttribute (DataType)
               Attribute type: energy:numberOfDevices | 
            
Indicates the total number of devices used.
0..1
Integer (Type)
               Attribute type: energy:model | 
            
Indicates the type of model.
0..1
CharacterString (Type)
               Attribute type: energy:serviceLife | 
            
Relation to a data structure describing the service life for lifecycle analysis.
0..1
ServiceLife
               Attribute type: energy:yearOfManufacure | 
            
Manufacturing year of the energy system.
0..1
Year
               Attribute type: energy:installedIn | 
            
Relation to the city object in which the energy system is installed.
0..*
_CityObject
               Attribute type: energy:distributionPerimeter | 
            
Indicates the perimeter of the energy distribution system, e.g. a group od buildings, one complete building, a building storey, ...
0..1
DistributionTypeValue (Enumeration)
| 
                Code  | 
            
                Text  | 
         |
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                building  | 
            
                building  | 
            
               Building with a unique energy conversion system. | 
         
| 
                dwelling  | 
            
                dwelling  | 
            
               One energy conversion system per dwelling. | 
         
| 
                groupOfBuildings  | 
            
                groupOfBuildings  | 
            
               Group of Building with a unique energy conversion system.The energy distribution runs between the buildings. | 
         
| 
                room  | 
            
                room  | 
            
               One energy conversion system per room. | 
         
| 
                staircase  | 
            
                staircase  | 
            
               One energy conversion system per building stair-case, with a distribution system supplying vertically the premises of the different storeys. | 
         
| 
                storey  | 
            
                storey  | 
            
               One energy conversion system per storey, with a distribution system supplying horizontally the premises of whole storey. | 
         
               Attribute type: energy:distributes | 
            
Amount of energy being distributed via a specific energy carrier.
0..*
EnergyFlow
               Attribute type: energy:isCirculation | 
            
Indicates circulating system or not.
0..1
Boolean
               Attribute type: energy:medium | 
            
Indicates medium type value (e.g. air, steam and water).
0..1
MediumTypeValue (Enumeration)
| 
                Code  | 
            
                Text  | 
         |
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                air  | 
            
                air  | 
            
               The invisible gaseous substance surrounding the earth, a mixture mainly of oxygen and nitrogen. | 
         
| 
                steam  | 
            
                steam  | 
            
               The vapour into which water is converted when heated. | 
         
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                water  | 
            
                water  | 
            
               A colourless, transparent, odourless, liquid which forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms. | 
         
               Attribute type: energy:nominalFlow | 
            
Indicates the flow rate of the medium. (Unit of measurement m/s).
0..1
Measure
               Attribute type: energy:returnTemperature | 
            
Indicates return temperature of the medium.
0..1
Measure
               Attribute type: energy:supplyTemperature | 
            
Indicates supply temperature of the medium.
0..1
Measure
               Attribute type: energy:thermalLossesFactor | 
            
Indicates the thermal losses factor. U*A
0..1
Measure