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"Basin (Tank type). An arbitrary open tank type.",
"Reinforcing Element. A reinforcing element represents bars, wires, strands, meshes, tendons, and other components embedded in concrete in such a manner that the reinforcement and the concrete act together in resisting forces.",
"Diabolo (Tendon Conduit type). A part of tendon conduit associated to deviator.",
"Radio Block Center (Communications Appliance Type). A radio block center is a specialised computing device in railway with specification for generating Movement Authorities (MA) and transmitting it to trains. It gets information from signalling control and from the trains in its section.",
"Culvert (Pipe segment type). A covered channel or large pipe that forms a watercourse below ground level, usually under a road or railway.",
"Fixed End (Tendon Anchor type). The anchor fixes the end of a tendon.",
"Actuator. An actuator is a mechanical device for moving or controlling a mechanism or system. An actuator takes energy, usually created by air, electricity, or liquid, and converts that into some kind of motion.",
"Well (Caisson Foundation type). Open box.",
"Indicator Panel (Unitary Control Element type). A control element at which equipment operational status, condition, safety state or other required parameters are indicated.",
"Flow Instrument. A flow instrument reads and displays the value of a particular property of a system at a point, or displays the difference in the value of a property between two points.",
"Deep Foundation. Deep foundation is a type of foundation that transfers loads deeper than shallow foundation below the soft soils not capable of bearing the above structure. Depending on the soil strength it might have to reach down to the rock layer.",
"LED (Lamp type). A solid state lamp that uses light-emitting diodes as the source of light.",
"Ligature (Reinforcing bar type). The reinforcing bar is a ligature (link, stirrup).",
"Tungsten Filament Lamp (Lamp type). A lamp that emits light by passing an electrical current through a tungsten wire filament in a near vacuum.",
"Reluctance Synchronous (Electric Motor type). A synchronous motor with a special rotor design which directly lines the rotor up with the rotating magnetic field of the stator, allowing for no slip under load.",
"Caisson Foundation (Caisson Foundation type). Closed box.",
"Electric Motor. An electric motor is an engine that is a machine for converting electrical energy into mechanical energy.",
"Punching (Reinforcing bar type). Punching reinforcement.",
"Flushing (Valve type). Valve that flushes a predetermined quantity of water to cleanse a toilet, urinal, etc.",
"Anchoring (Reinforcing Bar type). Anchoring reinforcement.",
"Bored (Pile type). A bore pile.",
"Base Station Controller (Unitary Control Element type). A base station controller (BSC) is a network component with the functions for controlling one or more base transceiver stations. BSC is responsible for the management of various interfaces, wireless resources and parameters, the signalling processing of call establishment and the channel allocation in the cell.",
"Alarm. An alarm is a device that signals the existence of a condition or situation that is outside the boundaries of normal expectation or that activates such a device.",
"Turnout Closure Sensor (Sensor type). A device that senses or detects the position of a blade of a turnout.",
"Gas Sensor (Sensor type). A device that senses or detects gas concentration (other than CO2)",
"Wheel Sensor (Sensor type). A device that senses or detects the passage of a wheel.",
"Pile. A pile is a slender timber, concrete, or steel structural element, driven, jetted, or otherwise embedded on end in the ground for the purpose of supporting a load. A pile is also characterized as deep foundation, where the loads are transferred to deeper subsurface layers.",
"Rigid Segment (Pipe segment type). A rigid segment is continuous linear segment of pipe that cannot be deformed.",
"Direct Evaporative Random Media Air Cooler (Evaporative Cooler Type). Direct evaporative random media air cooler: Cools the air stream by evaporating water dircectly into the air stream using coolers with evaporative pads, usually of aspen wood or plastic fiber/foam.",
"Gas Detection Panel (Unitary Control Element type). A control element at which the detection of gas is annunciated.",
"Service GPRS Support Node (Mobile Telecommunications Appliance Type). The service GPRS support node (SGSN) is a component of the GPRS core network. It is the GPRS support node of mobile station service, and it can achieve mobility management and packet routing and transfer.",
"Frost Sensor (Sensor type). A device that senses or detects frost on a window.",
"Assisted Butane (Humidifier type). Water vapor is added into the airstream through water heated evaporation using a butane heater.",
"Hand Dryer (Electric Appliance Type). An electrical appliance that has the primary function of drying hands.",
"Tendon Anchor. A tendon anchor is the end connection for tendons in prestressed or posttensioned concrete.",
"Whistle (Alarm type). An audible alarm.",
"Direction Source (Light fixture type). A light fixture that is considered to have a length or surface area from which it emits light in a direction. A light fixture containing one or more fluorescent lamps is an example of a direction source.",
"Circulator (Pump type). A Circulator pump is a generic low-pressure, low-capacity pump. It may have a wet rotor and may be driven by a flexible-coupled motor.",
"Coated (Tendon type). The tendon is coated.",
"Siren (Alarm type). An audible alarm.",
"Smoke Damper (Damper type). Smoke damper used to prevent the spread of smoke. Commonly operated by a smoke detector of a building automation system.",
"Mimic Panel (Unitary Control Element type). A control element at which information that is available elsewhere is repeated or 'mimicked'.",
"Obstruction (Pipe fitting type). A fitting with typically two ports used to obstruct or restrict flow between the connected elements (e.g., screen, perforated plate, etc.).",
"Rooftop Unit (Unitary Equipment type). A packaged assembly that is either field-erected or manufactured atop the roof of a large residential or commercial building and acts as a unitary component.",
"Protective Device Tripping Unit. A protective device tripping unit breaks an electrical circuit at a separate breaking unit when a stated electric current that passes through the unit is exceeded.",
"Spool (Pipe segment type). A type of rigid segment that is typically shorter and used for providing connectivity within a piping network.",
"Indirect Evaporative Wet Coil (Evaporative Cooler Type). Indirect evaporative wet coil: Cools the air stream by evaporating water indirectly and without adding moisture into the air stream. Water is sprayed directly on the tubes of the heat exchanger where latent cooling takes place and the vaporization of the water on the outside of the heat exchanger tubes allows the simultaneous heat and mass transfer which removes heat from the supply air on the tube side.",
"Louvred Air Terminal (Air Terminal Type). A rectilinear louvre.",
"High Pressure Mercury (Lamp type). A discharge lamp in which most of the light is emitted by exciting mercury at high pressure.",
"Humidistat (Unitary Control Element type). A control element that senses and regulates the humidity of a system or space so that the humidity is maintained near a desired setpoint.",
"Tensioning End (Tendon Anchor type). The anchor is used or can be used to prestress the tendon.",
"Coupling (Motor Connection type). An indirect connection made through the medium of the viscosity of a fluid.",
"Wire (Tendon type). The tendon is a wire.",
"Electric Generator. An electric generator is an engine that is a machine for converting mechanical energy into electrical energy.",
"Steam Heating Coil (Coil type). Heating coil using steam as heating source.",
"Electric Heating Coil (Coil type). Heating coil using electricity as a heating source.",
"Printer (Communications Appliance type). A machine that has the primary function of printing text and/or graphics onto paper or other media.",
"Packet Control Unit (Mobile Telecommunications Appliance Type). A packet control unit performs some of the processing tasks of the base station controller for packet data. It is responsible for data packet, wireless channel management, error sending detection and automatic retransmission.",
"Passive Cooled Beam (Cooled Beam type). A passive or static cooled beam provides cooling (and heating) to a room or zone.",
"Shear (Reinforcing Bar type). The reinforcing bar is a shear bar.",
"Direct Evaporative Rigid Media Air Cooler (Evaporative Cooler type). Direct evaporative rigid media air cooler: Cools the air stream by evaporating water dircectly into the air stream using coolers with sheets of rigid, corrugated material as the wetted surface.",
"Duct (Tendon Conduit type). A Sleeve or duct is related to the thickness of the conduit depending on the conduit, either cast into the concrete structure or placed adjacent to it.",
"Gateway GPRS Support Node (Mobile Telecommunications Appliance type). The gateway GPRS support node is a component of the GPRS core network that extends the GSM to allow packet switching functionalities. This component is responsible for the internetworking between the GPRS network and external packet switched networks (e.g. the internet).",
"Gutter (Pipe Segment type). A gutter segment is a continuous open-channel segment of pipe.",
"Caisson Foundation (Footing type). A foundation construction type used in underwater construction.",
"Coupler (Tendon Conduit type). A part to connect the conduits located in two different deck segments and related to the same tendon.",
"Cable Carrier Fitting. A cable carrier fitting is a fitting that is placed at junction or transition in a cable carrier system.",
"Indirect Evaporative Cooling Tower or Coil Cooler (Evaporative Cooler Type). Indirect evaporative cooling tower or coil cooler: Cools the air stream by evaporating water indirectly and without adding moisture into the air stream using a combination of a cooling tower or other evaporative water cooler with a water-to-air heat exchanger coil and water circulating pump.",
"Tube Axial (Fan type). Air flows through the impeller axially with reduced tip clearance and operating at higher tip speeds.",
"Multi Position (Controller type). Output is discrete value, can be one of three or more values.",
"Audio Visual Appliance. An audio-visual appliance is a device that displays, captures, transmits, or receives audio or video.",
"Fire Damper (Damper type). Fire damper used to prevent the spread of fire for a specified duration. Commonly operated by fusable link that melts above a certain temperature.",
"Obstacle Sensor (Sensor type). A device that senses or detects any obstacles. Examples are: detectors sensing objects falling from a bridge, rock-fall detectors, etc.",
"Foreign Object Detection Sensor (Sensor type). A device that senses or detects foreign objects that shock or break the power network. It may alarm when such accidents happen.",
"Thermostatic Actuator (Actuator type). A device that thermostatically actuates a control element.",
"Light (Alarm type). A visual alarm.",
"Unitary Equipment. Unitary equipment typically combine a number of components into a single product, such as air handlers, pre-packaged rooftop air-conditioning units, heat pumps, and split systems.",
"Oxygen Generator (Medical Device type). Device that generates oxygen from air.",
"Recording Equipment (Audio Visual Appliance type). A recording equipment is a device that records telephone calls or other types of audio data. It also provides the function of archiving and immediate replay.",
"Entry (Pipe fitting type). Entry fitting, typically unconnected at one port and connected to a flow distribution system at the other (e.g., a breeching inlet).",
"Gas Heating Coil (Coil type). Heating coil using gas as a heating source.",
"Catenary Wire (Cable Carrier Segment type). A catenary wire is a longitudinal wire supporting the grooved contact wires either directly or indirectly. Note: definition from UIC 719-1.",
"Strip Footing (Footing type). A linear element that transfers loads into the ground from either a continuous element, such as a wall, or from a series of elements, such as columns.",
"Strand (Tendon type). The tendon is a strand.",
"Optical Cable Segment (Cable Segment type). An optical cable segment is a cable segment that contains a variable number of optical fiber segments.",
"Connector (Pipe fitting type). Connector fitting, typically used to join two ports together within a flow distribution system (e.g., a coupling used to join two pipe segments).",
"Cable Carrier Segment. A cable carrier segment is a flow segment that is specifically used to carry and support cabling.",
"Two Position (Controller type). Output can be either on or off.",
"Pneumatic Actuator (Actuator type). A device that pneumatically actuates a control element.",
"DC (Electric Motor type). A motor using either generated or rectified Direct Current (DC) power.",
"Odor Filter (Filter type). A filter used to remove odors from air.",
"Alarm Panel (Unitary Control Element type). A control element at which alarms are annunciated.",
"Stud (Reinforcing bar type). The reinforcing bar is a stud.",
"IP Network Equipment (Communications Appliance Type). An IP network equipment is a device that provides IP data transmission channel for telecom subsystems or other subsystems e.g., routers, network switches or firewalls.",
"High Pressure Sodium (Lamp type). A discharge lamp in which most of the light is emitted by exciting sodium at high pressure.",
"Floating (Controller type). Output increases or decreases at a constant or accelerating rate.",
"Inductor Bank (Electric Flow Storage Device type). A device that stores electrical energy in a magnetic field using electrical property of inductance.",
"Bar (Tendon type). The tendon is configured as a bar.",
"Pad Footing (Footing type). An element that transfers the load of a single column (possibly two) to the ground.",
"Metal Halide (Lamp type). A discharge lamp in which most of the light is emitted by exciting a metal halide.",
"Space Heater. Space heaters utilize a combination of radiation and/or natural convection using a heating source such as electricity, steam or hot water to heat a limited space or area. Examples of space heaters include radiators, convectors, baseboard and finned-tube heaters.",
"Rigid Segment (Duct Segment type). A rigid segment is a continuous linear segment of duct that cannot be deformed.",
"Constant Flow (Air Terminal Box type). Terminal box does not include a means to reset the volume automatically to an outside signal such as thermostat.",
"Heat Recovery (Chiller type). Heat recovery chiller.",
"Fax (Communications Appliance type). A machine that has the primary function of transmitting a facsimile copy of printed matter using a telephone line.",
"Draw Off Cock (Valve type). A valve used to remove fluid from a piping system.",
"Remote Radio Unit (Mobile Telecommunications Appliance type). A remote radio unit is a component of a distributed base transceiver station that converts digital baseband signals into high-frequency (rf) signals and sends high-frequency (rf) signals to the antenna for radiation.",
"Indirect Evaporative Package Air Cooler (Evaporative Cooler type). Indirect evaporative package air cooler: Cools the air stream by evaporating water indirectly and without adding moisture into the air stream. On one side of the heat exchanger, the secondary air stream is cooled by evaporation, while on the other side of heat exchanger, the primary air stream (conditioned air to be supplied to the room) is sensibly cooled by the heat exchanger surfaces.",
"Pipe Segment. A pipe segment is used to typically join two sections of a piping network.",
"Snow Depth Sensor (Sensor type). A device that senses or measures the depth of snowfall.",
"Active Cooled Beam (Cooled Beam type). An active or ventilated cooled beam provides cooling (and heating) but can also function as an air terminal in a ventilation system.",
"Pressure Reducing (Valve type). Valve that reduces the pressure of a fluid immediately downstream of its position in a pipeline to a preselected value or by a predetermined ratio.",
"Battery (Electric Flow Storage Device type). A device for storing energy in chemical form so that it can be released as electrical energy.",
"Stitch Wire (Cable Segment type). A stitch wire consists of auxiliary wires and different components (clamp) used in stitched suspension.",
"Railway Crocodile (Alarm type). An electrical contact placed between the rails (in the four-foot way) to provide warnings in the locomotive cab.",
"Driven Pile (Pile type). A rammed, vibrated, or otherwise driven pile.",
"Controller. A controller is a device that monitors inputs and controls outputs within a building automation system.",
"Combined (Flow instrument type). A device that reads and displays the value of multiple properties of a system at a point, or displays the difference in the value of a property between two points.",
"Caisson Foundation. CaissonFoundation essentially is a hollow box that can be either open or closed.",
"Train Sensor (Sensor type). A device, usually attached to the rear end of the last vehicle of a train, acting on a fixed equipment to give an indication that the train is complete.",
"Master Unit (Mobile Telecommunications Appliance Type). A master unit is a component of a repeater for coupling base station signals.",
"Pipe Fitting. A pipe fitting is a junction or transition in a piping flow distribution system used to connect pipe segments, resulting in changes in flow characteristics to the fluid such as direction or flow rate.",
"Ammeter (Flow Instrument type). A device that reads and displays the current flow in a circuit.",
"Ring (Reinforcing bar type). Ring reinforcement.",
"Power Factor Meter (Flow Instrument type). A device that reads and displays the power factor of an electrical circuit.",
"Point Source (Light fixture type). A light fixture that is considered to have negligible area and that emit light with approximately equal intensity in all directions. A light fixture containing a tungsten, halogen or similar bulb is an example of a point source.",
"Reinforcing Mesh. A reinforcing mesh is a series of longitudinal and transverse wires or bars of various gauges, arranged at right angles to each other and welded at all points of intersection; usually used for concrete slab reinforcement. It is also known as welded wire fabric. In scope are plane meshes as well as bent meshes.",
"Hand Operated Actuator (Actuator type). A device that manually actuates a control element.",
"Cohesion (Pile type). A cohesion pile.",
"Radioactivity Sensor (Sensor type). A device that senses or detects atomic decay.",
"Direct Evaporative Packaged Rotary Air Cooler (Evaporative Cooler Type). Direct evaporative packaged rotary air cooler: Cools the air stream by evaporating water dircectly into the air stream using coolers that wet and wash the evaporative pad by rotating it through a water bath.",
"Fluorescent Lamp (Lamp type). A typically tubular discharge lamp in which most of the light is emitted by one or several layers of phosphors excited by ultraviolet radiation from the discharge.",
"Vending Machine (Electric Appliance Type). An appliance that stores and vends goods including food, drink, tickets, and goods of various types.",
"Edge (Reinforcing bar type). Edge reinforcement.",
"OLED Lamp (Lamp type). A solid state lamp that uses light-emitting diodes as the source of light whose emissive electroluminescent layer is composed of a film of organic compounds.",
"Vertical Turbine (Pump type). A Vertical Turbine pump has a motor mounted vertically on the pump casing for either wet-pit sump mounting or dry-well mounting.",
"Control Panel (Unitary Control Element type). A control element at which devices that control or monitor the operation of a site, building or part of a building are located",
"PH Sensor (Sensor type). A device that senses or detects acidity.",
"Cable Bracket (Cable Carrier Segment type). A cable bracket is a horizontal cable support fixed at one end only, spaced at intervals, on which cables rest.",
"Jet Grouting (Pile type). An injected pile-like construction.",
"Proportional Controller (Controller type). Output is proportional to the control error and optionally time integral and derivative.",
"Electric Actuator (Actuator type). A device that electrically actuates a control element.",
"Ion Concentration Sensor (Sensor type). A device that senses or detects ion concentration, such as for water hardness.",
"Base (Vibration Isolator type). Base isolator preventing transfer of energy from the ground to the structure.",
"Space Bar (Reinforcing Bar type). A stirrup in pre-stressing system to position TendonConduit.",
"Indirect Direct Combination (Evaporative Cooler type). Indirect/Direct combination: Cools the air stream by evaporating water indirectly and without adding moisture into the air stream using a two-stage cooler with a first-stage indirect evaporative cooler and second-stage direct evaporative cooler.",
"Footing. A footing is a part of the foundation of a structure that spreads and transmits the load to the soil. A footing is also characterized as shallow foundation, where the loads are transferred to the ground near the surface.",
"Safety Cut-Off (Valve type). Valve that closes under the action of a safety mechanism such as a drop weight, solenoid etc.",
"Obstruction (Duct Fitting type). A fitting with typically two ports used to obstruct or restrict flow between the connected elements (e.g., screen, perforated plate, etc.).",
"Voiding Feature. A voiding feature is a modification of an element which reduces its volume. Such a feature may be manufactured in different ways, for example by cutting, drilling, or milling of members made of various materials, or by inlays into the formwork of cast members made of materials such as concrete.",
"Programmable (Controller type). Output is programmable such as Discrete Digital Control (DDC).",
"Weather Station (Unitary Control Element type). A control element that senses multiple climate properties such as temperature, humidity, pressure, wind, and rain.",
"Rain Sensor (Sensor type). A device that senses or collects rainfall related information.",
"Grouting Duct (Tendon Conduit type). An additional small conduit connected to the main conduit to allow grouting in case of bonded post-tensioning, such as Grout inlet, Grout outlet and Grout vent.",
"Energy Meter (Flow Meter type). An electric meter or energy meter is a device that measures the amount of electrical energy supplied to or produced by a residence, business or machine.",
"Baseband Unit (Mobile Telecommunications Appliance type). A baseband unit is a component of a distributed base transceiver station for implementing baseband processing functions.",
"Base Transceiver Station (Mobile Telecommunications Appliance type). A base transceiver station (BTS) is a network component which serves one cell. It completes the conversion between base station controller and wireless channel, and realizes the wireless transmission and related control functions between base station controller and mobile switching through the air interface.",
"Thermostat (Unitary Control Element type). A control element that senses and regulates the temperature of an element, system or space so that the temperature is maintained near a desired setpoint.",
"Motor Connection. A motor connection provides the means for connecting a motor as the driving device to the driven device.",
"Support (Pile type). A support pile.",
"Subscriber Server (Mobile Telecommunications Appliance type). It is a database in charge of the management of mobile subscribers. It can be an authentication center (AuC) or a home location register (HLR).",
"Voltmeter Peak (Flow Instrument type). A device that reads and displays the peak voltage in an electrical circuit.",
"Compact Fluorescent (Lamp type). A fluorescent lamp having a compact form factor produced by shaping the tube.",
"Tendon. A tendon is a steel element such as a wire, cable, bar, rod, or strand used to impart prestress to concrete when the element is tensioned.",
"Surface Feature. A surface feature is a modification at (onto, or into) of the surface of an element. Parts of the surface of the entire surface may be affected. The volume and mass of the element may be increased, remain unchanged, or be decreased by the surface feature, depending on manufacturing technology. However, any increase or decrease of volume is small compared to the total volume of the element.",
"Phase Angle Meter (Flow Instrument type). A device that reads and displays the phase angle of a phase in a polyphase electrical circuit.",
"Engine Generator (Electric Generator Type). Electrical generator with a fuel-driven engine, for example a diesel-driven emergency power supply.",
"Direct Evaporative Air Washer (Evaporative Cooler Type). Direct evaporative air washer: Cools the air stream by evaporating water dircectly into the air stream using coolers with spray-type air washer consist of a chamber or casing containing spray nozzles, and tank for collecting spray water, and an eliminator section for removing entrained drops of water from the air.",
"Bell (Alarm type). An audible alarm.",
"Finned (Tube Bundle type). Finned tube bundle type.",
"Telephony Exchange (Communications Appliance Type). A telephony exchange is a device that ensures the routing of telephone calls and communications.",
"Polyphase (Electric motor type). A two or three-phase induction motor in which the windings, one for each phase, are evenly divided by the same number of electrical degrees.",
"Break Glass Button (Alarm type). An alarm activation mechanism in which a protective glass has to be broken to enable a button to be pressed.",
"Grille (Air Terminal type). A covering for any area through which air passes.",
"Spark Gap (Protective Device Type). A spark gap is a device used to connect a circuit to earth in the event of a fault in live circuits.",
"Halogen (Lamp type). An incandescent lamp in which a tungsten filament is sealed into a compact transport envelope filled with an inert gas and a small amount of halogen such as iodine or bromine.",
"Engine. An engine is a device that converts fuel into mechanical energy through combustion.",
"Combined (Unitary Control Element type). Combination of at least two predefined types of unitary control element.",
"Hydraulic Actuator (Actuator type). A device that hydraulically actuates a control element.",
"Footing Beam (Footing type). Footing elements that are in bending and are supported clear of the ground. They will normally span between piers, piles or pile caps. They are distinguished from beams in the building superstructure since they will normally require a lower grade of finish. They are distinguished from STRIP_FOOTING since they are clear of the ground surface and hence require support to the lower face while the concrete is curing.",
"Friction (Pile type). A friction pile.",
"Main (Reinforcing bar type). The reinforcing bar is a main bar.",
"Vibration Isolator. A vibration isolator is a device used to minimize the effects of vibration transmissibility in a structure.",
"MSC Server (Mobile Telecommunications Appliance Type). The MSC server mainly comprises the call control (CC) and mobility control parts of a mobile switching center (MSC). An MSC server and a media gateway make up the full functionality of an MSC.",
"Coupler (Tendon Anchor type). The anchor is an intermediate device which connects two tendons.",
"Commissioning Valve (Valve type). Valve used to facilitate commissioning of a system (2 port).",
"Standalone (Electric Generator type). Electrical generator which does not include its source of kinetic energy, that is, a motor, engine, or turbine are all modeled separately.",
"Trumpet (Tendon Conduit type). A specific part of conduit which has to be widened when reaching the tendon anchor because the strands are connected individually on the anchor.",
"Pile Cap (Footing type). An element that transfers the load from a column or group of columns to a pier or pile or group of piers or piles.",
"Unitary Control Element. A unitary control element combines a number of control components into a single product, such as a thermostat or humidistat.",
"Railway Detonator (Alarm type). A coin-sized device that is used as a loud warning signal to train drivers. It is usually placed on the top of the rail, usually secured with two lead straps, one on each side.",
"Manual Pull Box (Alarm type). An alarm activation mechanism in which activation is achieved by a pulling action.",
"E-UTRAN Node B (Mobile Telecommunications Appliance Type). An E-utran nodel B is a logical network component which serves one or more E-utran cells. It is the hardware connected to the evolved packet core (EPC), more specifically to the mobility management entity (MME) , which communicates directly with user equipment in wireless way.",
"Reinforcing Bar. A reinforcing bar is usually made of steel with manufactured deformations in the surface, and used in concrete and masonry construction to provide additional strength. A single instance of this class may represent one or many of actual rebars, for example a row of rebars.",
"Tendon Conduit. A TendonConduit represents the components of the conduit system for tendons embedded in concrete structure.\n",
"Mobile Switching Center (Mobile Telecommunications Appliance Type). The mobile switching centre (MSC) constitutes the interface between the radio system and the fixed networks. It is an exchange which performs all the switching and signalling functions for mobile station located in a geographical area designated as the MSC area. It consists of a MSC server and a media gateway."
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[
"Ligature (Reinforcing bar type). The reinforcing bar is a ligature (link, stirrup).",
"Radiation Sensor (Sensor type). A device that senses or detects pressure.",
"Relay (Electric Time Control type). Electromagnetically operated contactor for making or breaking a control circuit.",
"Radiator (Space Heater type). A heat-distributing unit that operates with thermal radiation.",
"Solar Device. A solar device converts solar radiation into other energy such as electric current or thermal energy.",
"CO Sensor (Sensor type). A device that senses or detects carbon monoxide.",
"Projector (Audio Visual Appliance type). An apparatus for projecting a picture on a screen. Whether the device is an overhead, slide projector, or a film projector, it is usually referred to as simply a projector.",
"Diabolo (Tendon Conduit type). A part of tendon conduit associated to deviator.",
"Cable Fitting. A cable fitting is a fitting that is placed at a junction, transition or termination in a cable system.",
"Sound Sensor (Sensor type). A device that senses or detects sound.",
"Fiber Segment (Cable Segment type). A fiber segment is an individual optical fiber used in telecommunication systems to transmit data by means of optical signals.",
"Cable Segment. A cable segment is a flow segment used to carry electrical power, data, or telecommunications signals.",
"Optical Network Unit (Communications Appliance Type). An optical network unit is a kind of optical transmission network connection equipment which is installed at user side.",
"Motor Control Centre (Distribution Board Type). A distribution point at which starting and control devices for major plant items are located.",
"Conductance Sensor (Sensor type). A device that senses or detects electrical conductance.",
"Caisson Foundation (Footing type). A foundation construction type used in underwater construction.",
"Induction (Electric Motor type). An alternating current motor in which the primary winding on one member (usually the stator) is connected to the power source and a secondary winding or a squirrel-cage secondary winding on the other member (usually the rotor) carries the induced current. There is no physical electrical connection to the secondary winding, its current is induced.",
"Vane Axial (Fan type). Air flows through the impeller axially with guide vanes and reduced running blade tip clearance.",
"Pressure Sensor (Sensor type). A device that senses or detects pressure.",
"Gravity Relief Damper (Damper type). Gravity-relief damper used to allow air to move upon a buildup of enough pressure to overcome the gravitational force exerted upon the damper blades. Commonly operated by gravitational weight.",
"Well (Caisson Foundation type). Open box.",
"Duct (Tendon Conduit type). A Sleeve or duct is related to the thickness of the conduit depending on the conduit, either cast into the concrete structure or placed adjacent to it.",
"Pressure Vessel (Tank type). A closed container used for storing fluids or gases at a pressure different from the ambient pressure. A pressure vessel is typically rated by an authority having jurisdiction for the operational pressure.",
"Diverting (Valve type). Valve that enables flow to be diverted from one branch of a pipeline to another (3 port).",
"Line Side Electronic Unit (Communications Appliance Type). The lineside electronic unit (LEU) is the interface between the balise and interlocking in railway. The LEU acquires the information from the interlocking, and sends the appropriate information to the balises in concordance with the lineside signalling (if available).",
"Reinforcing Element. A reinforcing element represents bars, wires, strands, meshes, tendons, and other components embedded in concrete in such a manner that the reinforcement and the concrete act together in resisting forces.",
"Frequency Meter (Flow Instrument type). A device that reads and displays the electrical frequency of an alternating current circuit.",
"Punching (Reinforcing bar type). Punching reinforcement.",
"Jet Grouting (Pile type). An injected pile-like construction.",
"Strainer (Filter type). A filter used to remove particulates from a fluid.",
"Photocopier (Electric Appliance Type). A machine that has the primary function of reproduction of printed matter.",
"Anchoring (Reinforcing Bar type). Anchoring reinforcement.",
"Tensioning End (Tendon Anchor type). The anchor is used or can be used to prestress the tendon.",
"Connector (Cable Fitting type). A fitting that joins two cable segments of the same connector type (though potentially different gender).",
"Cable Trunking Segment (Cable Carrier Segment type). An enclosed carrier segment with one or more compartments into which cables are placed.",
"Split Case (Pump type). A Split Case pump, when mounted horizontally, has an inlet and outlet on each side of the impeller. The impeller can be easily accessed by removing the front of the impeller casing. It may have a direct or close-coupled motor.",
"Voltmeter (Flow Instrument type). A device that measures and displays the voltage in a circuit.",
"Cooled Beam. A cooled beam (or chilled beam) is a device typically used to cool air by circulating a fluid such as chilled water through exposed finned tubes above a space. Typically mounted overhead near or within a ceiling, the cooled beam uses convection to cool the space below it by acting as a heat sink for the naturally rising warm air of the space. Once cooled, the air naturally drops back to the floor where the cycle begins again.",
"Fire Smoke Damper (Damper type). Combination fire and smoke damper used to prevent the spread of fire and smoke. Commonly operated by a fusable link and a smoke detector.",
"Shear (Reinforcing Bar type). The reinforcing bar is a shear bar.",
"Identifier Sensor (Sensor type). A device that reads a tag, such as for gaining access to a door or elevator",
"Player (Audio Visual Appliance type). A device that plays audio and/or video content directly or to another device, having fixed or removable storage media.",
"Heat Sensor (Sensor type). A device that senses or detects heat.",
"Core Segment (Cable Segment type). A self contained element of a cable that comprises one or more conductors and sheathing.The core of one lead is normally single wired or multiwired which are intertwined.",
"Gas Cock (Valve type). Valve that is used for controlling the flow of gas.",
"Deep Foundation. Deep foundation is a type of foundation that transfers loads deeper than shallow foundation below the soft soils not capable of bearing the above structure. Depending on the soil strength it might have to reach down to the rock layer.",
"Runaround Coil Loop (Air to air heat recovery type). A typical coil energy recovery loop places extended surface, finned tube water coils in the supply and exhaust airstreams of a building.",
"Cable Ladder Segment (Cable Carrier Segment type). An open carrier segment on which cables are carried on a ladder structure.",
"Tendon Anchor. A tendon anchor is the end connection for tendons in prestressed or posttensioned concrete.",
"Remote Unit (Mobile Telecommunications Appliance type). A remote unit is a device used to amplify a base station signal.",
"Coupler (Tendon Conduit type). A part to connect the conduits located in two different deck segments and related to the same tendon.",
"Intelligent Peripheral (Communications Appliance type). An intelligent peripheral is a device that offers a variety of specialized resources according to the corresponding service logical program under the control of SCP. These resources contain the receiver of DTMF (Dual-Tone Multi-Frequency, signal generator, record notice, etc.). An intelligent peripheral provides dedicated resource functions in the intelligent network, allocates, controls and manages various dedicated resources, communicates with other entities in the network, and completes SRF resource functions as well as the maintenance, management and statistics functions of resources.",
"Edge (Reinforcing bar type). Edge reinforcement.",
"Camera (Audio Visual Appliance type). A device that records images, either as a still photograph or as moving images known as videos or movies. Note that a camera may operate with light from the visible spectrum or from other parts of the electromagnetic spectrum such as infrared or ultraviolet.",
"Semi Hermetic (Compressor type). Positive-displacement reciprocating compressor where the hermetic compressors use bolted construction amenable to field repair.",
"Exit (Pipe fitting type). Exit fitting, typically unconnected at one port and connected to a flow distribution system at the other (e.g., a hose bibb).",
"Level Sensor (Sensor type). A device that senses or detects fill level, such as for a tank.",
"Wire (Tendon type). The tendon is a wire.",
"Centrifugal Airfoil (Fan type). Air flows through the impeller radially using blades that are airfoil shaped.",
"Water Cooled Brazed Plate (Condenser type). Water-cooled condenser with plates brazed together to form an assembly of separate channels.",
"Control Damper (Damper type). Control damper used to modulate the flow of air by adjusting the position of the blades. Commonly operated by an actuator of a building automation system.",
"Caisson Foundation (Caisson Foundation type). Closed box.",
"Recharger (Electric Flow Storage Device type). A recharger or battery charger is a device used to put energy into a secondary cell or rechargeable battery by forcing an electric current through it.",
"Strip Footing (Footing type). A linear element that transfers loads into the ground from either a continuous element, such as a wall, or from a series of elements, such as columns.",
"Strand (Tendon type). The tendon is a strand.",
"Gas Meter (Flow meter type). A device that measures the quantity of a gas or fuel.",
"Time Clock (Electric Time Control type). A control that causes action to occur at set times.",
"Moisture Sensor (Sensor type). A device that senses or detects moisture.",
"Cable Tray Segment (Cable Carrier Segment type). A (typically) open carrier segment onto which cables are laid.",
"Vertical Inline (Pump type). A Vertical Inline pump has the pump and motor close-coupled on the pump casing. The pump depends on the connected, horizontal piping for support, with the suction and discharge along the piping axis.",
"Stud (Reinforcing bar type). The reinforcing bar is a stud.",
"Contact Wire Segment (Cable Segment type). An electric conductor of an overhead contact line with which the current collectors make contact. Note: definition from IEC60050 811-33-15.",
"Duct Silencer. A duct silencer is a device that is typically installed inside a duct distribution system for the purpose of reducing the noise levels from air movement, fan noise, etc. in the adjacent space or downstream of the duct silencer device.",
"Pressure Gauge (Flow Instrument type). A device that reads and displays a pressure value at a point or the pressure difference between two points.",
"Fiber Tube (Cable Segment type). A fiber tube is semi-rigid hollow plastic tube with a very small radius that houses and protects a certain number of optical fiber segments. An optical cable segment may contain many fiber tubes.",
"Bar (Tendon type). The tendon is configured as a bar.",
"Conduit Segment (Cable Carrier Segment type). An enclosed tubular carrier segment through which cables are pulled.",
"Exit (Cable Fitting type). A fitting that ends a cable segment at a non-electrical element such as a grounding clamp attached to a pipe or to the ground.",
"Cohesion (Pile type). A cohesion pile.",
"Bend (Cable Carrier Fitting type). A fitting that changes the route of the cable carrier.",
"Electric Cooker (Electric Appliance Type). An electrical appliance that has the primary function of cooking food (including oven, hob, grill).",
"Water Filter (Filter type). A filter used to remove particulates from water.",
"Dynamic (Compressor type). The pressure of refrigerant vapor is increased by a continuous transfer of angular momentum from a rotating member to the vapor followed by conversion of this momentum into static pressure.",
"Oil Meter (Flow Meter type). A device that measures the quantity of oil.",
"Chopper (Transformer type). A chopper is an electronic power DC convertor without an intermediate AC link giving a variable output voltage by varying the periods of conduction and non-conduction in an adjustable ratio.",
"Vessel (Tank type). An arbitrary closed tank type.",
"Solar Collector (Solar Device type). A device that converts solar radiation into thermal energy (heating water, etc.).",
"Flow Sensor (Sensor type). A device that senses or detects flow in a fluid.",
"Driven Pile (Pile type). A rammed, vibrated, or otherwise driven pile.",
"Water Cooling Coil (Coil type). Cooling coil using chilled water. HYDRONICCOIL supercedes this enumerator.",
"Humidifier. A humidifier is a device that adds moisture into the air.",
"Caisson Foundation. CaissonFoundation essentially is a hollow box that can be either open or closed.",
"Water Heating Coil (Coil type). Heating coil using hot water as a heating source. HYDRONICCOIL supercedes this enumerator.",
"Fan-out (Cable Fitting type). A fan out is a special cable fitting that provides a safe transition from multi-fiber cable units to individual fibers.",
"Submersible Pump (Pump type). A pump designed to be immersed in a fluid, typically a collection tank.",
"Ring (Reinforcing bar type). Ring reinforcement.",
"Direct Evaporative Slingers Packaged Air Cooler (Evaporative Cooler Type). Direct evaporative slingers packaged air cooler: Cools the air stream by evaporating water dircectly into the air stream using coolers with a water slinger in an evaporative cooling section and a fan section.",
"Inverter (Transformer type). A transformer that converts from direct current (DC) to alternating current (AC).",
"Reinforcing Mesh. A reinforcing mesh is a series of longitudinal and transverse wires or bars of various gauges, arranged at right angles to each other and welded at all points of intersection; usually used for concrete slab reinforcement. It is also known as welded wire fabric. In scope are plane meshes as well as bent meshes.",
"Voltmeter RMS (Flow instrument type). A device that reads and displays the RMS (mean) voltage in an electrical circuit.",
"Space Bar (Reinforcing Bar type). A stirrup in pre-stressing system to position TendonConduit.",
"DX Cooling Coil (Coil type). Cooling coil using a refrigerant to cool the air stream directly.",
"Gravity Damper (Damper type). Gravity damper closes from the force of gravity. Commonly operated by gravitational weight.",
"Light Sensor (Sensor type). A device that senses or detects light.",
"Electric Time Control. An electric time control is a device that applies control to the provision or flow of electrical energy over time.",
"Fire Sensor (Sensor type). A device that senses or detects fire",
"Fixed End (Tendon Anchor type). The anchor fixes the end of a tendon.",
"Double Check (Valve type). An assembly that incorporates two valves used to prevent backflow.",
"Lamp. A lamp is an artificial light source such as a light bulb or tube.",
"Combined Heat and Power (Electric Generator type). Combined heat and power supply, used not only as a source of electric energy but also as a heating source for the building. It may therefore be not only part of an electrical system but also of a heating system.",
"Oil Retention Tray (Tank type). An open container for environmental protection and storage of chemical products.",
"Pad Footing (Footing type). An element that transfers the load of a single column (possibly two) to the ground.",
"Medical Device. A medical device is attached to a medical piping system and operates upon medical gases to perform a specific function. Medical gases include medical air, medical vacuum, oxygen, carbon dioxide, nitrogen, and nitrous oxide.",
"Bored (Pile type). A bore pile.",
"Mobile Telecommunications Appliance. A mobile telecommunications appliance is a device that transmits, converts, amplifies or receives signals used in mobile networks.\nNote: This entity is used to define specific appliances used in mobile telecommunication networks. General communications appliances and those used in fixed transmission networks should be instantiated using IfcCommunicationsAppliance.\n",
"Fume Hood Exhaust (Damper type). Fume hood exhaust damper. Commonly operated by actuator.",
"Receiver (Audio Visual Appliance type). A device that receives audio and/or video signals, switches sources, and amplifies signals to play through speakers.",
"Blast Damper (Damper type). Blast damper used to prevent protect occupants and equipment against overpressures resultant of an explosion. Commonly operated by mechanical spring.",
"Humidity Sensor (Sensor type). A device that senses or detects humidity.",
"Adiabatic Atomizing (Humidifier type). Water vapor is added into the airstream through adiabatic evaporation using an atomizing element.",
"Flexible Segment (Pipe segment type). A flexible segment is a continuous non-linear segment of pipe that can be deformed and change the direction of flow.",
"Compression (Vibration Isolator type). Compression type vibration isolator.",
"Steam Injection (Humidifier type). Water vapor is added into the airstream through direct steam injection.",
"Natural Draft (Cooling Tower type). Air flow is produced naturally.",
"Pile. A pile is a slender timber, concrete, or steel structural element, driven, jetted, or otherwise embedded on end in the ground for the purpose of supporting a load. A pile is also characterized as deep foundation, where the loads are transferred to deeper subsurface layers.",
"Transition (Cable Fitting type). A fitting that joins two cable segments of different connector types.",
"Coated (Tendon type). The tendon is coated.",
"Water Boiler (Boiler type). Water boiler.",
"Footing. A footing is a part of the foundation of a structure that spreads and transmits the load to the soil. A footing is also characterized as shallow foundation, where the loads are transferred to the ground near the surface.",
"Mixing Valve (Valve type). Valve that enables flow from two branches of a pipeline to be mixed together (3 port).",
"Voiding Feature. A voiding feature is a modification of an element which reduces its volume. Such a feature may be manufactured in different ways, for example by cutting, drilling, or milling of members made of various materials, or by inlays into the formwork of cast members made of materials such as concrete.",
"Sensor. A sensor is a device that measures a physical quantity and converts it into a signal which can be read by an observer or by an instrument.",
"Duct Segment. A duct segment is used to typically join two sections of duct network.",
"Turnout Heating (Heat Exchanger type). A device used to remove snow from railways. E.g. electric heating device, gas heater",
"Grouting Duct (Tendon Conduit type). An additional small conduit connected to the main conduit to allow grouting in case of bonded post-tensioning, such as Grout inlet, Grout outlet and Grout vent.",
"Flexible Segment (Duct Segment type). A flexible segment is a continuous non-linear segment of duct that can be deformed and change the direction of flow.",
"Frequency Transformer (Transformer type). A transformer that changes the frequency between circuits.",
"Gateway (Communications Appliance type). A gateway connects multiple network segments with different protocols at all layers (layers 1-7) of the Open Systems Interconnection (OSI) model.",
"Transition (Pipe fitting type). A fitting with typically two ports having different shapes or sizes. Can also be used to change the direction of flow between connected elements.",
"Security Lighting (Light Fixture type). A light fixture having specific purpose of directing occupants in an emergency, such as an illuminated exit sign or emergency flood light.",
"Support (Pile type). A support pile.",
"Amplifier (Audio Visual Appliance type). A device that receives an audio signal and amplifies it to play through speakers.",
"External Combustion (Engine type). Combustion is external.",
"Entry (Cable Fitting type). A fitting that begins a cable segment at a non-electrical element such as a grounding clamp attached to a pipe.",
"Tendon. A tendon is a steel element such as a wire, cable, bar, rod, or strand used to impart prestress to concrete when the element is tensioned.",
"Surface Feature. A surface feature is a modification at (onto, or into) of the surface of an element. Parts of the surface of the entire surface may be affected. The volume and mass of the element may be increased, remain unchanged, or be decreased by the surface feature, depending on manufacturing technology. However, any increase or decrease of volume is small compared to the total volume of the element.",
"Temperature Sensor (Sensor type). A device that senses or detects temperature.",
"Dehumidifier (Unitary Equipment type). A unitary packaged dehumidification unit. Note: units supporting multiple modes (dehumidification, cooling, and/or heating) should use AIRCONDITIONINGUNIT.",
"Contact Sensor (Sensor type). A device that senses or detects contact, such as for detecting if a door is closed.",
"Junction (Pipe fitting type). A fitting with typically more than two ports used to redistribute flow among the ports and/or to change the direction of flow between connected elements (e.g, tee, cross, wye, etc.).",
"Automaton (Communications Appliance type). A self-acting artificial device, the behaviour of which is governed either in a stepwise manner by given decision rules or continuously in time by defined relationships, while the output variables of which are created from its input and state variables. Note: definition from IEC 60050-351-42-32.",
"Smoke Sensor (Sensor type). A device that senses or detects smoke.",
"Time Delay (Electric Time Control type). A control that causes action to occur following a set duration.",
"Display (Audio Visual Appliance type). An electronic device that represents information in visual form such as a flat-panel display or television.",
"Tee (Cable Carrier Fitting type). A fitting at which a branch is taken from the main route of the cable carrier.",
"Wind Sensor (Sensor type). A device that senses or detects airflow speed and direction.",
"Thermometer (Flow instrument type). A device that reads and displays a temperature value at a point.",
"Footing Beam (Footing type). Footing elements that are in bending and are supported clear of the ground. They will normally span between piers, piles or pile caps. They are distinguished from beams in the building superstructure since they will normally require a lower grade of finish. They are distinguished from STRIP_FOOTING since they are clear of the ground surface and hence require support to the lower face while the concrete is curing.",
"Friction (Pile type). A friction pile.",
"Main (Reinforcing bar type). The reinforcing bar is a main bar.",
"Adiabatic Rigid Media (Humidifier type). Water vapor is added into the airstream through adiabatic evaporation using a rigid media.",
"Electric Distribution Board. A distribution board is a flow controller in which instances of electrical devices are brought together at a single place for a particular purpose.",
"Coupler (Tendon Anchor type). The anchor is an intermediate device which connects two tendons.",
"Fridge Freezer (Electric Appliance Type). An electrical appliance that combines the functions of a freezer and a refrigerator through the provision of separate compartments.",
"Trumpet (Tendon Conduit type). A specific part of conduit which has to be widened when reaching the tendon anchor because the strands are connected individually on the anchor.",
"Pile Cap (Footing type). An element that transfers the load from a column or group of columns to a pier or pile or group of piers or piles.",
"Earthquake Sensor (Sensor type). A device that senses or detects the seismic wave and measures the seismic intensity in case of earthquake.",
"CO2 Sensor (Sensor type). A device that senses or detects carbon dioxide.",
"Movement Sensor (Sensor type). A device that senses or detects movement.",
"Reinforcing Bar. A reinforcing bar is usually made of steel with manufactured deformations in the surface, and used in concrete and masonry construction to provide additional strength. A single instance of this class may represent one or many of actual rebars, for example a row of rebars.",
"Tendon Conduit. A TendonConduit represents the components of the conduit system for tendons embedded in concrete structure.\n",
"Synchronous (Electric Motor type). A motor that operates at a constant speed up to full load. The rotor speed is equal to the speed of the rotating magnetic field of the stator"
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[
"Assisted Electric (Humidifier type). Water vapor is added into the airstream through water heated evaporation using an electric heater.",
"Reinforcing Element. A reinforcing element represents bars, wires, strands, meshes, tendons, and other components embedded in concrete in such a manner that the reinforcement and the concrete act together in resisting forces.",
"Diabolo (Tendon Conduit type). A part of tendon conduit associated to deviator.",
"Cross (Cable Carrier Fitting type). A fitting at which two branches are taken from the main route of the cable carrier simultaneously.",
"Rectangular (Duct Silencer type). Rectangular shaped duct silencer type.",
"Fixed End (Tendon Anchor type). The anchor fixes the end of a tendon.",
"Actuator. An actuator is a mechanical device for moving or controlling a mechanism or system. An actuator takes energy, usually created by air, electricity, or liquid, and converts that into some kind of motion.",
"Well (Caisson Foundation type). Open box.",
"Indicator Panel (Unitary Control Element type). A control element at which equipment operational status, condition, safety state or other required parameters are indicated.",
"Flow Instrument. A flow instrument reads and displays the value of a particular property of a system at a point, or displays the difference in the value of a property between two points.",
"Deep Foundation. Deep foundation is a type of foundation that transfers loads deeper than shallow foundation below the soft soils not capable of bearing the above structure. Depending on the soil strength it might have to reach down to the rock layer.",
"Uninterruptible Power Supply (Electric Flow Storage Device type). A device that provides a time limited alternative source of power supply in the event of failure of the main supply.",
"Ligature (Reinforcing bar type). The reinforcing bar is a ligature (link, stirrup).",
"Optical Line Terminal (Communications Appliance Type). An optical line terminal is a service provider endpoint of a passive or active optical network. It is the terminal equipment for connecting fiber optic trunks.",
"Junction Box. A junction box is an enclosure within which cables are connected.",
"Caisson Foundation (Caisson Foundation type). Closed box.",
"Light Fixture. A light fixture is a container that is designed for the purpose of housing one or more lamps and optionally devices that control, restrict or vary their emission.",
"Punching (Reinforcing bar type). Punching reinforcement.",
"Changeover Valve (Valve type). Valve that enables flow to be switched between pipelines (3 or 4 port).",
"Anchoring (Reinforcing Bar type). Anchoring reinforcement.",
"Bored (Pile type). A bore pile.",
"Base Station Controller (Unitary Control Element type). A base station controller (BSC) is a network component with the functions for controlling one or more base transceiver stations. BSC is responsible for the management of various interfaces, wireless resources and parameters, the signalling processing of call establishment and the channel allocation in the cell.",
"Alarm. An alarm is a device that signals the existence of a condition or situation that is outside the boundaries of normal expectation or that activates such a device.",
"Turnout Closure Sensor (Sensor type). A device that senses or detects the position of a blade of a turnout.",
"Gas Sensor (Sensor type). A device that senses or detects gas concentration (other than CO2)",
"Wheel Sensor (Sensor type). A device that senses or detects the passage of a wheel.",
"Pile. A pile is a slender timber, concrete, or steel structural element, driven, jetted, or otherwise embedded on end in the ground for the purpose of supporting a load. A pile is also characterized as deep foundation, where the loads are transferred to deeper subsurface layers.",
"Assisted Propane (Humidifier type). Water vapor is added into the airstream through water heated evaporation using a propane heater.",
"Vacuum Station (Medical Device Type). Device that provides suction, composed of a vacuum pump and bacterial filtration line.",
"Gas Detection Panel (Unitary Control Element type). A control element at which the detection of gas is annunciated.",
"Emergency Stop (Switching Device type). An emergency stop device acts to remove as quickly as possible any danger that may have arisen unexpectedly.",
"Frost Sensor (Sensor type). A device that senses or detects frost on a window.",
"Junction (Duct fitting type). A fitting with typically more than two ports used to redistribute flow among the ports and/or to change the direction of flow between connected elements (e.g, tee, cross, wye, etc.).",
"Kitchen Machine (Electric Appliance Type). A specialized appliance used in commercial kitchens such as a mixer.",
"Tendon Anchor. A tendon anchor is the end connection for tendons in prestressed or posttensioned concrete.",
"Whistle (Alarm type). An audible alarm.",
"Microwave (Electric Appliance Type). An electrical appliance that has the primary function of cooking food using microwaves.",
"Tube Bundle. A tube bundle is a device consisting of tubes and bundles of tubes used for heat transfer and contained typically within other energy conversion devices, such as a chiller or coil.",
"Coated (Tendon type). The tendon is coated.",
"Siren (Alarm type). An audible alarm.",
"Rotary Vane (Compressor type). Positive-displacement rotary compressor using a roller mounted on the eccentric of a shaft with multiple vanes in the nontotating cylindrical housing.",
"Mimic Panel (Unitary Control Element type). A control element at which information that is available elsewhere is repeated or 'mimicked'.",
"Register (Air Terminal type). A grille typically equipped with a damper or control valve.",
"Air Station (Medical Device type). Device that provides purified medical air, composed of an air compressor and air treatment line.",
"Dropper (Cable Carrier Segment type). A dropper is a cable carrier used to suspend cable from another cable. It could also conduct electricity.",
"Assisted Natural Gas (Humidifier type). Water vapor is added into the airstream through water heated evaporation using a natural gas heater.",
"Convector (Space Heater type). A heat-distributing unit that operates with gravity-circulated air.",
"Air Terminal. An air terminal is a terminating or origination point for the transfer of air between distribution system(s) and one or more spaces. It can also be used for the transfer of air between adjacent spaces.",
"Router (Communications Appliance Type). A router is a networking device whose software and hardware are usually tailored to the tasks of routing and forwarding information. For example, on the Internet, information is directed to various paths by routers.",
"Humidistat (Unitary Control Element type). A control element that senses and regulates the humidity of a system or space so that the humidity is maintained near a desired setpoint.",
"Tensioning End (Tendon Anchor type). The anchor is used or can be used to prestress the tendon.",
"Anti Arcing Device (Protective Device Type). An anti-arcing device is an equipment that prevents electric arc.",
"Wire (Tendon type). The tendon is a wire.",
"Network Bridge (Communications Appliance Type). A network bridge connects multiple network segments at the data link layer (layer 2) of the OSI model, and the term layer 2 switch is very often used interchangeably with bridge.",
"Internal Combustion (Engine type). Combustion is internal.",
"Break Pressure (Tank type). An open container that breaks the hydraulic pressure in a distribution system, typically located between the fluid reservoir and the fluid supply points. A typical break pressure tank allows the flow to discharge into the atmosphere, thereby reducing its hydrostatic pressure to zero.",
"Keypad (Switching Device type). A set of buttons or switches, each potentially applicable to a different device.",
"Belt Drive (Motor Connection Type). An indirect connection made through the medium of a shaped, flexible continuous loop.",
"Adiabatic Compressed Air Nozzle (Humidifier type). Water vapor is added into the airstream through adiabatic evaporation using a compressed air nozzle.",
"Shear (Reinforcing Bar type). The reinforcing bar is a shear bar.",
"Exit (Duct Fitting type). Exit fitting, typically unconnected at one port and connected to a flow distribution system at the other (e.g., an exhaust air discharge opening).",
"Duct (Tendon Conduit type). A Sleeve or duct is related to the thickness of the conduit depending on the conduit, either cast into the concrete structure or placed adjacent to it.",
"Residual Current (Protective Device Tripping Unit type). A tripping unit activated by residual current detection.",
"Flat Oval (Duct Silencer type). Flat-oval shaped duct silencer type.",
"Caisson Foundation (Footing type). A foundation construction type used in underwater construction.",
"Coupler (Tendon Conduit type). A part to connect the conduits located in two different deck segments and related to the same tendon.",
"Fuse Disconnector (Protective Device Type). A device that will electrically open the circuit after a period of prolonged, abnormal current flow.",
"Centrifugal Forward Curved (Fan type). Air flows through the impeller radially using blades that are forward curved.",
"Direct Expansion (Evaporator type). Direct-expansion evaporator.",
"Multi Position (Controller type). Output is discrete value, can be one of three or more values.",
"Washing Machine (Electric Appliance Type). An appliance that has the primary function of washing clothes.",
"Backdraft Damper (Damper type). Damper used for purposes of manually balancing pressure differences. Commonly operated by mechanical adjustment.",
"Obstacle Sensor (Sensor type). A device that senses or detects any obstacles. Examples are: detectors sensing objects falling from a bridge, rock-fall detectors, etc.",
"Foreign Object Detection Sensor (Sensor type). A device that senses or detects foreign objects that shock or break the power network. It may alarm when such accidents happen.",
"Thermostatic Actuator (Actuator type). A device that thermostatically actuates a control element.",
"Light (Alarm type). A visual alarm.",
"Propellor Axial (Fan type). Air flows through the impeller axially and small hub-to-tip ratio impeller mounted in an orifice plate or inlet ring.",
"Bend (Pipe fitting type). A fitting with typically two ports used to change the direction of flow between connected elements.",
"Dishwasher (Electric Appliance Type). An appliance that has the primary function of washing dishes.",
"Oxygen Plant (Medical Device type). Device that combines a feed air unit, oxygen generator, and backup oxygen cylinders.",
"Pump. A pump is a device which imparts mechanical work on fluids or slurries to move them through a channel or pipeline. A typical use of a pump is to circulate chilled water or heating hot water in a building services distribution system.",
"Wire Pair Segment (Cable Segment type). A pair of conductors contained in a copper cable. The pair is always used together to form a circuit to transmit data by means of electric signals.",
"Strip Footing (Footing type). A linear element that transfers loads into the ground from either a continuous element, such as a wall, or from a series of elements, such as columns.",
"Strand (Tendon type). The tendon is a strand.",
"Tumble Dryer (Electric Appliance Type). An electrical appliance that has the primary function of drying clothes.",
"Rolling Piston (Compressor type). Positive-displacement rotary compressor using a roller mounted on the eccentric of a shaft with a single vane in the nonrotating cylindrical housing.",
"Selector Switch (Switching Device Type). A selector switch has multiple positions, and may change the source or level of power or other setting (according to the switched port type).",
"Two Position (Controller type). Output can be either on or off.",
"Pneumatic Actuator (Actuator type). A device that pneumatically actuates a control element.",
"Freestanding Fan (Electric Appliance Type). An electrical appliance that is used occasionally to provide ventilation. A freestanding fan is a 'plugged' appliance whose load may be removed from an electric circuit.",
"Adiabatic Ultrasonic (Humidifier type). Water vapor is added into the airstream through adiabatic evaporation using an ultrasonic element.",
"Alarm Panel (Unitary Control Element type). A control element at which alarms are annunciated.",
"Stud (Reinforcing bar type). The reinforcing bar is a stud.",
"Tuner (Audio Visual Appliance type). An electronic receiver that detects, demodulates, and amplifies transmitted signals.",
"Distribution Frame (Distribution Board type). A distribution frame is used to interconnect and manage wiring between active equipment and subscriber. It might be composed of multiple distribution boards and other components.",
"Floating (Controller type). Output increases or decreases at a constant or accelerating rate.",
"Electric Appliance. An electric appliance is a device intended for consumer usage that is powered by electricity.",
"Bar (Tendon type). The tendon is configured as a bar.",
"Pad Footing (Footing type). An element that transfers the load of a single column (possibly two) to the ground.",
"Direct Drive (Motor Connection type). A direct, physical connection made between the motor and the driven device.",
"Pressure Relief (Valve type). Spring or weight loaded valve that automatically discharges to a safe place fluid that has built up to excessive pressure in pipes or fittings.",
"Burner. A burner is a device that converts fuel into heat through combustion. It includes gas, oil, and wood burners.",
"Welded Shell Hermetic (Compressor type). Positive-displacement reciprocating compressor where the motor compressor is mounted inside a steel shell, which, in turn is sealed by welding.",
"Duct Fitting. A duct fitting is a junction or transition in a ducted flow distribution system or used to connect duct segments, resulting in changes in flow characteristics to the fluid such as direction and flow rate.",
"Transition (Cable Carrier Fitting type). A fitting with typically two ports having different shapes or sizes. Can also be used to change the direction of flow between connected elements.",
"Oil Filter (Filter type). A filter used to remove particulates from oil.",
"Antenna (Communications Appliance Type). A transducer designed to transmit or receive electromagnetic waves.",
"Direct Expansion Brazed Plate (Evaporator type). Direct-expansion evaporator where a refrigerant evaporates inside plates brazed or welded together to make up an assembly of separate channels.",
"Adiabatic Air Washer (Humidifier type). Water vapor is added into the airstream through adiabatic evaporation using an air washing element.",
"Snow Depth Sensor (Sensor type). A device that senses or measures the depth of snowfall.",
"Centrifugal Backward Inclined Curved (Fan type). Air flows through the impeller radially using blades that are backward curved.",
"Water Meter (Flow Meter type). A device that measures the quantity of water.",
"Conductor Segment (Cable Segment type). A single linear element within a cable or an exposed wire (such as for grounding) with the specific purpose to lead electric current, data, or a telecommunications signal.",
"Electric Flow Storage Device. An electric flow storage device is a device in which electrical energy is stored and from which energy may be progressively released.",
"Railway Crocodile (Alarm type). An electrical contact placed between the rails (in the four-foot way) to provide warnings in the locomotive cab.",
"Driven Pile (Pile type). A rammed, vibrated, or otherwise driven pile.",
"Controller. A controller is a device that monitors inputs and controls outputs within a building automation system.",
"Combined (Flow instrument type). A device that reads and displays the value of multiple properties of a system at a point, or displays the difference in the value of a property between two points.",
"Caisson Foundation. CaissonFoundation essentially is a hollow box that can be either open or closed.",
"Train Sensor (Sensor type). A device, usually attached to the rear end of the last vehicle of a train, acting on a fixed equipment to give an indication that the train is complete.",
"Momentary Switch (Switching Device Type). A momentary switch has no position, and may trigger some action to occur.",
"Air Cooled (Chiller type). Air cooled chiller.",
"Ammeter (Flow Instrument type). A device that reads and displays the current flow in a circuit.",
"Ring (Reinforcing bar type). Ring reinforcement.",
"Power Factor Meter (Flow Instrument type). A device that reads and displays the power factor of an electrical circuit.",
"Speaker (Audio Visual Appliance type). A loudspeaker, speaker, or speaker system is an electroacoustical transducer that converts an electrical signal to sound.",
"Reinforcing Mesh. A reinforcing mesh is a series of longitudinal and transverse wires or bars of various gauges, arranged at right angles to each other and welded at all points of intersection; usually used for concrete slab reinforcement. It is also known as welded wire fabric. In scope are plane meshes as well as bent meshes.",
"Hand Operated Actuator (Actuator type). A device that manually actuates a control element.",
"Cohesion (Pile type). A cohesion pile.",
"Radioactivity Sensor (Sensor type). A device that senses or detects atomic decay.",
"End Suction (Pump type). An End Suction pump, when mounted horizontally, has a single horizontal inlet on the impeller suction side and a vertical discharge. It may have a direct or close-coupled motor.",
"Connector (Cable Carrier Fitting type). Connector fitting, typically used to join two ports together within a flow distribution system (e.g., a coupling used to join two duct segments).",
"Telephone (Audio Visual Appliance type). A telecommunications device that is used to transmit and receive sound, and optionally video.",
"Edge (Reinforcing bar type). Edge reinforcement.",
"Access Point (Mobile Telecommunications Appliance type). An access point is a device that allows wireless devices to connect to a wired network.",
"Connector (Duct fitting type). Connector fitting, typically used to join two ports together within a flow distribution system (e.g., a coupling used to join two duct segments).",
"Control Panel (Unitary Control Element type). A control element at which devices that control or monitor the operation of a site, building or part of a building are located",
"PH Sensor (Sensor type). A device that senses or detects acidity.",
"Harmonic Filter (Electric Flow Storage Device type). A device that constantly injects currents that precisely correspond to the harmonic components drawn by the load.",
"Jet Grouting (Pile type). An injected pile-like construction.",
"Proportional Controller (Controller type). Output is proportional to the control error and optionally time integral and derivative.",
"Electric Actuator (Actuator type). A device that electrically actuates a control element.",
"Ion Concentration Sensor (Sensor type). A device that senses or detects ion concentration, such as for water hardness.",
"Check Valve (Valve type). Valve that permits water to flow in one direction only and is enclosed when there is no flow (2 port).",
"Space Bar (Reinforcing Bar type). A stirrup in pre-stressing system to position TendonConduit.",
"Twin Tower Enthalpy Recovery Loops (Air to Air Heat Recovery type). An air-to-liquid, liquid-to-air enthalpy recovery system with a sorbent liquid circulates continuously between supply and exhaust airstreams, alternately contacting both airstreams directly in contactor towers.",
"Footing. A footing is a part of the foundation of a structure that spreads and transmits the load to the soil. A footing is also characterized as shallow foundation, where the loads are transferred to the ground near the surface.",
"Storage Tank (Tank type). An open or closed container used for storing a fluid at ambient pressure and from which it can be supplied to the fluid distribution system. There are many examples of storage tanks, such as potable water storage tanks, fuel storage tanks, etc.",
"Round (Duct Silencer type). Round duct silencer type.",
"Voiding Feature. A voiding feature is a modification of an element which reduces its volume. Such a feature may be manufactured in different ways, for example by cutting, drilling, or milling of members made of various materials, or by inlays into the formwork of cast members made of materials such as concrete.",
"Programmable (Controller type). Output is programmable such as Discrete Digital Control (DDC).",
"Weather Station (Unitary Control Element type). A control element that senses multiple climate properties such as temperature, humidity, pressure, wind, and rain.",
"Rain Sensor (Sensor type). A device that senses or collects rainfall related information.",
"Grouting Duct (Tendon Conduit type). An additional small conduit connected to the main conduit to allow grouting in case of bonded post-tensioning, such as Grout inlet, Grout outlet and Grout vent.",
"Spring (Vibration Isolator type). Spring type vibration isolator.",
"Network Appliance (Communications Appliance Type). A network appliance performs a dedicated function such as firewall protection, content filtering, load balancing, or equipment management.",
"Dispatching Board (Distribution Board type). A distribution point at which voice and data communication signals are managed between communication devices.",
"Thermostat (Unitary Control Element type). A control element that senses and regulates the temperature of an element, system or space so that the temperature is maintained near a desired setpoint.",
"Voltage Transformer (Transformer type). A transformer that changes the voltage between circuits.",
"Support (Pile type). A support pile.",
"Capacitor Bank (Electric Flow Storage Device type). A device that stores electrical energy when an external power supply is present using the electrical property of capacitance.",
"Voltmeter Peak (Flow Instrument type). A device that reads and displays the peak voltage in an electrical circuit.",
"Motor Control Centre (Electric Distribution Board type). A distribution point at which starting and control devices for major plant items are located.",
"Tendon. A tendon is a steel element such as a wire, cable, bar, rod, or strand used to impart prestress to concrete when the element is tensioned.",
"Surface Feature. A surface feature is a modification at (onto, or into) of the surface of an element. Parts of the surface of the entire surface may be affected. The volume and mass of the element may be increased, remain unchanged, or be decreased by the surface feature, depending on manufacturing technology. However, any increase or decrease of volume is small compared to the total volume of the element.",
"Phase Angle Meter (Flow Instrument type). A device that reads and displays the phase angle of a phase in a polyphase electrical circuit.",
"Network Hub (Communications Appliance Type). A network hub connects multiple network segments at the physical layer (layer 1) of the OSI model.",
"Hydronic Coil (Coil type). Cooling or Heating coil that uses a hydronic fluid as a cooling or heating source.",
"Bell (Alarm type). An audible alarm.",
"Assisted Steam (Humidifier type). Water vapor is added into the airstream through water heated evaporation using a steam heater.",
"Busbar Segment (Cable Segment type). Electrical conductor that makes a common connection between several electrical circuits. Properties of a busbar are the same as those of a cable segment and are captured by the cable segment property set.",
"Communication Terminal (Audio Visual Appliance type). A communication terminal is an audio communication device that is usually installed along transportation infrastructure (railways, roads, tunnels etc.) in order to be used by the general public or operation agents for communication. It may specifically be used to make calls to emergency services in tunnels.",
"Break Glass Button (Alarm type). An alarm activation mechanism in which a protective glass has to be broken to enable a button to be pressed.",
"Balancing Damper (Damper type). Backdraft damper used to restrict the movement of air in one direction. Commonly operated by mechanical spring.",
"Varistor (Protective Device Type). A high voltage surge protection device.",
"Microphone (Audio Visual Appliance type). An acoustic-to-electric transducer or sensor that converts sound into an electrical signal. Microphones types in use include electromagnetic induction (dynamic microphones), capacitance change (condenser microphones) or piezoelectric generation to produce the signal from mechanical vibration.",
"Air Particle Filter (Filter type). A filter used to remove particulates from air.",
"Combined (Unitary Control Element type). Combination of at least two predefined types of unitary control element.",
"Hydraulic Actuator (Actuator type). A device that hydraulically actuates a control element.",
"Footing Beam (Footing type). Footing elements that are in bending and are supported clear of the ground. They will normally span between piers, piles or pile caps. They are distinguished from beams in the building superstructure since they will normally require a lower grade of finish. They are distinguished from STRIP_FOOTING since they are clear of the ground surface and hence require support to the lower face while the concrete is curing.",
"Friction (Pile type). A friction pile.",
"Main (Reinforcing bar type). The reinforcing bar is a main bar.",
"Isolating (Valve type). Valve that closes off flow in a pipeline.",
"Solar Panel (Solar Device type). A device that converts solar radiation into electric current.",
"Coupler (Tendon Anchor type). The anchor is an intermediate device which connects two tendons.",
"Stopcock (Valve type). An isolating valve used on a domestic water service.",
"Scanner (Communications Appliance type). A machine that has the primary function of scanning the content of printed matter and converting it to digital format that can be stored in a computer.",
"Trumpet (Tendon Conduit type). A specific part of conduit which has to be widened when reaching the tendon anchor because the strands are connected individually on the anchor.",
"Pile Cap (Footing type). An element that transfers the load from a column or group of columns to a pier or pile or group of piers or piles.",
"Unitary Control Element. A unitary control element combines a number of control components into a single product, such as a thermostat or humidistat.",
"Railway Detonator (Alarm type). A coin-sized device that is used as a loud warning signal to train drivers. It is usually placed on the top of the rail, usually secured with two lead straps, one on each side.",
"Manual Pull Box (Alarm type). An alarm activation mechanism in which activation is achieved by a pulling action.",
"Distribution Board. A distribution board is a flow controller in which instances of electrical or communication devices are brought together at a single place for a particular purpose.",
"Reinforcing Bar. A reinforcing bar is usually made of steel with manufactured deformations in the surface, and used in concrete and masonry construction to provide additional strength. A single instance of this class may represent one or many of actual rebars, for example a row of rebars.",
"Tendon Conduit. A TendonConduit represents the components of the conduit system for tendons embedded in concrete structure.\n",
"Thermal (Protective Device Tripping Unit type). A tripping unit activated by thermal action."
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[
"Half Set of Blades (Track Element Type). A half set of blades consists of one stock rail and its switch rail complete with small fittings. It is right or left hand as seen by an observer in the centre of the track facing the switch heel from the switch toe. Note: definition from EN 13232-1-2004.",
"Centrifugal Airfoil (Fan type). Air flows through the impeller radially using blades that are airfoil shaped.",
"Automaton (Communications Appliance type). A self-acting artificial device, the behaviour of which is governed either in a stepwise manner by given decision rules or continuously in time by defined relationships, while the output variables of which are created from its input and state variables. Note: definition from IEC 60050-351-42-32.",
"Covering. A covering is an element which covers some part of another element and is fully dependent on that other element. The IfcCovering defines the occurrence of a covering type, that (if given) is expressed by the IfcCoveringType.",
"Building Element Proxy. The IfcBuildingElementProxy is a proxy definition that provides the same functionality as subtypes of IfcBuildingElement, but without having a predefined meaning of the special type of building element it represents.",
"Shelf (Furniture type). Furniture for storing books or other items.",
"Mobile Switching Center (Mobile Telecommunications Appliance Type). The mobile switching centre (MSC) constitutes the interface between the radio system and the fixed networks. It is an exchange which performs all the switching and signalling functions for mobile station located in a geographical area designated as the MSC area. It consists of a MSC server and a media gateway.",
"Subscriber Server (Mobile Telecommunications Appliance type). It is a database in charge of the management of mobile subscribers. It can be an authentication center (AuC) or a home location register (HLR).",
"Water Cooled Brazed Plate (Condenser type). Water-cooled condenser with plates brazed together to form an assembly of separate channels.",
"Dynamically Compacted (Reinforced Soil type). The method of using dynamic tamping machine usually free falling a heavy hammer from the height, compacting the soil and quickly improving the bearing capacity of the foundation.",
"Wheeled Vehicle (Vehicle type). A specialisation of a vehicle that operates on land as a multi wheeled vehicle such as a car, lorry, forklift etc.",
"Roller Compacted (Reinforced Soil type). A kind of compacting method that adopts rolling machinery, repeated rolling and vibration compacts the foundation soil, increasing strength and descreasing compressibility.",
"Work Surface (System Furniture Element type). Workstation countertop.",
"Siren (Alarm type). An audible alarm.",
"Half Winding Stair (Stair type). A stair consisting of one flight with one half winder, which makes a 180° turn. The orientation of the turn is determined by the walking line.",
"Gateway (Communications Appliance type). A gateway connects multiple network segments with different protocols at all layers (layers 1-7) of the Open Systems Interconnection (OSI) model.",
"Radioactivity Sensor (Sensor type). A device that senses or detects atomic decay.",
"Recording Equipment (Audio Visual Appliance type). A recording equipment is a device that records telephone calls or other types of audio data. It also provides the function of archiving and immediate replay.",
"Vehicle. A Vehicle.\n",
"Dome Roof (Roof type). A hemispherical hip roof.",
"Geotechnical Assembly. Representation of the abstract concept of a geological and geotechnical model, usually an interpretation but sometimes created direct from ground penetrating measurement.\nUse of an assembly is optional but can carry the methodology and uncertainty information.\nSuch assemblies will include IfcGeotechnicalStratum entity types and may include other entity types such as IfcPile, IfcSlab or IfcSensor to represent the capping, lining or logging equipment present.\nIfcBorehole or IfcGeoSlice can have a physical reality as a construction hazard alongside being the carrier for the interpreted results. Geological hazards may be associated to any IfcGeotechnicalAssembly or IfcGeotechnicalStratum.\n",
"Vehicle (Vehicle type). a generalisation of a vehicle that interacts with a facility (e.g. as a user/customer) or as a specified operational asset within the facility.",
"Moving Walkway (Transport Element type). Moving walkway being a transport device to move people horizontally or on an incline. It is a slow conveyor belt that transports people.",
"Borehole. Representation of the concept of a linear geological and geotechnical model, usually an interpretation but sometimes created direct from ground penetrating measurement\nThe assembly may contain one of more strata and other elements such as capping and lining. The contained subtypes of IfcGeotechnicalStratum will have shape representations made from straight or bent tubes reflecting the bore diameter, or discs if a 'Yabuki' top surface model is being used.",
"Rolling Stock (Vehicle type). Refers to railway vehicles, including both powered and unpowered vehicles, for example locomotives, railroad cars, coaches, private railroad cars and wagons.",
"Base Transceiver Station (Mobile Telecommunications Appliance type). A base transceiver station (BTS) is a network component which serves one cell. It completes the conversion between base station controller and wireless channel, and realizes the wireless transmission and related control functions between base station controller and mobile switching through the air interface.",
"Cable Fitting. A cable fitting is a fitting that is placed at a junction, transition or termination in a cable system.",
"Sofa (Furniture type). Furniture for seating multiple people.",
"Ballast Bed (Course type). Layer composed of broken stones under the sleepers.",
"Magnetic Device (Mooring Device type). Mooring device that uses magnets as the primary method of securing the vessel.",
"Well (Caisson Foundation type). Open box.",
"Pavilion Roof (Roof type). A pyramidal hip roof.",
"Navigation Element. A navigation element is an active or passive built element who's primary function is to provide navigational instructions and warnings to vessels, this could be in the form of a floating buoy, a fixed beacon.\nNavigation elements can aggregate other components and elements to form the entire structure. this might include a frame structure to form the body, instances of IfcSign for signage or instances of IfcSignal for supplementary lights an/or sound signals.\n",
"Straight (Stair flight type). A stair flight with a straight walking line.",
"Straight (Ramp flight type). A ramp flight with a straight walking line.",
"Gate (Door type). A gate is a point of entry into a space usually within an opening in a fence. Or as a \"free standing\" gate.",
"Air Vehicle (Vehicle type). A specialisation of a vehicle that represents powered and unpowered flying vehicles, such as airplanes, helicopters, gliders etc.",
"Stock Rail (Rail type). A stock rail is a fixed machined rail, ensuring the continuity on the main or diverging track with the switch in the open position. The machined part of the stock rail supports its switch rail in the closed position, giving continuity of line through this switch rail. The two stock rails in a set of switches are the two outside rails. A stock rail is described as right or left hand according to whether it is part of a right hand or left hand half-set of switches. Note: definition from EN 13232-1-2004.",
"Rainbow Roof (Roof type). A gable roof in the form of a broad Gothic arch, with gently sloping convex surfaces.",
"Vertical Turbine (Pump type). A Vertical Turbine pump has a motor mounted vertically on the pump casing for either wet-pit sump mounting or dry-well mounting.",
"Shading Device. Shading devices are purpose built devices to protect from the sunlight, from natural light, or screening them from view. Shading devices can form part of the facade or can be mounted inside the building, they can be fixed or operable.",
"Cable Carrier Segment. A cable carrier segment is a flow segment that is specifically used to carry and support cabling.",
"Centrifugal Backward Inclined Curved (Fan type). Air flows through the impeller radially using blades that are backward curved.",
"Marine Vehicle (Vehicle type). A specialisation of a vehicle that operates on water as a marine vessel.",
"Geotechnical Stratum. Representation of the concept of an identified discrete almost homogeneous geological feature with either an irregular solid or 'Yabuki' top surface shape or a regular voxel cubic shape. A stratum is represented as a discrete entity, specialised (sub typed) from IfcElement. A stratum may be broken down into smaller entities if properties vary across the stratum or alternatively properties may be described with bounded numeric ranges. A stratum may carry information about the physical form and its interpretation as a Geological Item (GML).\nThe shape representations used should correspond to the sub-type of IfcGeotechnicalAssembly in which it occurs\n",
"Split Case (Pump type). A Split Case pump, when mounted horizontally, has an inlet and outlet on each side of the impeller. The impeller can be easily accessed by removing the front of the impeller casing. It may have a direct or close-coupled motor.",
"Caisson Foundation. CaissonFoundation essentially is a hollow box that can be either open or closed.",
"Window (Window type). A standard window usually within a wall opening, as a window panel in a curtain wall, or as a \"free standing\" window.",
"Heat Recovery (Chiller type). Heat recovery chiller.",
"Bored (Pile type). A bore pile.",
"Water (Geotechnical Stratum type). Representation of the concept of an identified discrete water filled geological or surface feature including lakes, rivers and seas.",
"Remote Radio Unit (Mobile Telecommunications Appliance type). A remote radio unit is a component of a distributed base transceiver station that converts digital baseband signals into high-frequency (rf) signals and sends high-frequency (rf) signals to the antenna for radiation.",
"Turnstile (Door type). A mechanical gate consisting of revolving arms, allowing only one person at a time to pass through.",
"Indirect Evaporative Package Air Cooler (Evaporative Cooler type). Indirect evaporative package air cooler: Cools the air stream by evaporating water indirectly and without adding moisture into the air stream. On one side of the heat exchanger, the secondary air stream is cooled by evaporation, while on the other side of heat exchanger, the primary air stream (conditioned air to be supplied to the room) is sensibly cooled by the heat exchanger surfaces.",
"Line Tensioner (Mooring Device Type). A mechanical device used to apply a tensioning load to mooring lines to improve vessel stability for port operations.",
"Transport Element. A transport element is a generalization of all transport related objects that move people, animals or goods within a Facility. The IfcTransportElement defines the occurrence of a transport element, that (if given), is expressed by the IfcTransportElementType.",
"Base Slab (Slab type). The slab is used to represent a floor slab against the ground (and thereby being a part of the foundation). Another name is mat foundation.",
"Vacuum Device (Mooring Device Type). Mooring device that uses vacuum suction as the primary method of securing the vessel.",
"Hipped Gable Roof (Roof type). A roof having a hipped end truncating a gable.",
"Disk (Bearing type). A disk bearing consist of an elastomeric disc between two metal plates.",
"Vertical Inline (Pump type). A Vertical Inline pump has the pump and motor close-coupled on the pump casing. The pump depends on the connected, horizontal piping for support, with the suction and discharge along the piping axis.",
"Technical Cabinet (Furniture type). A technical cabinet is a piece of furniture for holding, displaying and protecting technical appliances, usually organized in shelves, drawers or racks.",
"Service GPRS Support Node (Mobile Telecommunications Appliance Type). The service GPRS support node (SGSN) is a component of the GPRS core network. It is the GPRS support node of mobile station service, and it can achieve mobility management and packet routing and transfer.",
"Bed (Furniture type). Furniture for sleeping.",
"Jalousie (Shading Device Type). A blind with adjustable horizontal slats for admitting light and air while excluding direct sun and rain.",
"System Furniture Element. A system furniture element defines components of modular furniture which are not directly placed in a building structure but aggregated inside furniture.",
"Spiral (Ramp flight type). A ramp flight with a circular or elliptic walking line.",
"Geoslice. Representation of the concept of a sectional planar geological and geotechnical model, usually an interpretation but sometimes created direct from ground penetrating measurement. The assembly may contain one of more strata and anthropic elements. The contained subtypes of IfcGeotechnicalStratum will have shape representations made from polygons reflecting the visible section or poly lines if a 'Yabuki' top surface model is being used.",
"Lifting Gear (Transport Element type). A device used for lifting or lowering heavy goods. It may be manually operated or electrically or pneumatically driven.",
"Replaced (Reinforced Soil type). Dig out the soft soil in a certain range below the foundation ground and then backfill the area with high strength, low compressibility and no corrosive materials.",
"Three Quarter Winding Stair (Stair type). A stair consisting of one flight with three quarter winders, which make a 90° turn. The stair makes a 270° turn. The direction of the turns is determined by the walking line.",
"Chair (Furniture type). Furniture for seating a single person.",
"Grouted (Reinforced Soil Type). A method of injecting curable slurry into cracks or pores of a geotechnical foundation to improve its physical and mechanical properties.",
"MSC Server (Mobile Telecommunications Appliance Type). The MSC server mainly comprises the call control (CC) and mobility control parts of a mobile switching center (MSC). An MSC server and a media gateway make up the full functionality of an MSC.",
"Centrifugal Forward Curved (Fan type). Air flows through the impeller radially using blades that are forward curved.",
"Vane Axial (Fan type). Air flows through the impeller axially with guide vanes and reduced running blade tip clearance.",
"Adiabatic Ultrasonic (Humidifier type). Water vapor is added into the airstream through adiabatic evaporation using an ultrasonic element.",
"Desk (Furniture type). Furniture with a countertop and optional drawers for a single person.",
"Indirect Direct Combination (Evaporative Cooler type). Indirect/Direct combination: Cools the air stream by evaporating water indirectly and without adding moisture into the air stream using a two-stage cooler with a first-stage indirect evaporative cooler and second-stage direct evaporative cooler.",
"Curtain Wall. A curtain wall is a wall of a building which is an assembly of components, hung from the edge of the floor/roof structure rather than bearing on a floor. Curtain wall is represented as a building element assembly and implemented as a subtype of IfcBuildingElement that uses an IfcRelAggregates relationship. A curtain wall is often external, but using Pset_CurtainWallCommon.IsExternal can be used to define interior curtain walls.",
"Tube Axial (Fan type). Air flows through the impeller axially with reduced tip clearance and operating at higher tip speeds.",
"Furniture. Furniture defines complete furnishings such as a table, desk, chair, or cabinet, which may or may not be permanently attached to a building structure.",
"Void (Geotechnical Stratum type). Representation of the concept of an identified discrete air filled geological feature, including caves and other voids.",
"Baseband Unit (Mobile Telecommunications Appliance type). A baseband unit is a component of a distributed base transceiver station for implementing baseband processing functions.",
"Master Unit (Mobile Telecommunications Appliance Type). A master unit is a component of a repeater for coupling base station signals.",
"Track Slab (Slab type). A track slab is a reinforced concrete slab or prestressed reinforced concrete slab, which is a main element of slab track. It can be prefabricated or cast on site and may have sleepers embedded.",
"Audio Signal (Signal type). A signal type formed of an active device conveying information by emitting an audio signal such as a beep, ring, horn or explosive sound.",
"Curved (Stair flight type). A stair flight with a curved walking line.",
"Packet Control Unit (Mobile Telecommunications Appliance Type). A packet control unit performs some of the processing tasks of the base station controller for packet data. It is responsible for data packet, wireless channel management, error sending detection and automatic retransmission.",
"Direct Evaporative Slingers Packaged Air Cooler (Evaporative Cooler Type). Direct evaporative slingers packaged air cooler: Cools the air stream by evaporating water dircectly into the air stream using coolers with a water slinger in an evaporative cooling section and a fan section.",
"Escalator (Transport Element type). Escalator being a transport device to move people. It consists of individual linked steps that move up and down on tracks while keeping the threads horizontal.",
"Core (Course type). A core course is the bulk internal structure of aggregate structures.",
"Anti Vacuum (Valve type). Valve that opens to admit air if the pressure falls below atmospheric pressure.",
"Rolling Piston (Compressor type). Positive-displacement rotary compressor using a roller mounted on the eccentric of a shaft with a single vane in the nonrotating cylindrical housing.",
"Blocking Device (Track Element type). A device composed of pneumatic, mechanic or electric components causing the braking of a train in case of emergency.",
"Elevator (Transport Element type). Elevator or lift being a transport device to move people of good vertically.",
"Craneway (Transport Element type). A crane way system, normally including the crane rails, fasteners and the crane. It is primarily used to move heavy goods in a factory or other industry buildings.",
"High Pressure Mercury (Lamp type). A discharge lamp in which most of the light is emitted by exciting mercury at high pressure.",
"Cable Carrier Fitting. A cable carrier fitting is a fitting that is placed at junction or transition in a cable carrier system.",
"Solid (Geotechnical Stratum type). Representation of the concept of an identified discrete almost homogenous solid geological or surface feature, including discontinuities such as faults, fractures, boundaries and interfaces that are not explicitly modelled.",
"Mooring Hooks (Mooring Device Type). Quick release mooring hooks - an active device used to secure a vessel and provide automated release of vessels.",
"Wrapping (Covering type). The covering is used for wrapping particularly of distribution elements using tape.",
"Subrack (System Furniture Element type). A subrack is a part of technical cabinet which is used to store and mount pluggable electric subunits.",
"Deep Foundation. Deep foundation is a type of foundation that transfers loads deeper than shallow foundation below the soft soils not capable of bearing the above structure. Depending on the soil strength it might have to reach down to the rock layer.",
"Access Point (Mobile Telecommunications Appliance type). An access point is a device that allows wireless devices to connect to a wired network.",
"Break Glass Button (Alarm type). An alarm activation mechanism in which a protective glass has to be broken to enable a button to be pressed.",
"Panel (System Furniture Element type). Vertical panel used to divide work spaces.",
"Fume Hood Exhaust (Damper type). Fume hood exhaust damper. Commonly operated by actuator.",
"Table (Furniture type). Furniture with a countertop for multiple people.",
"Tracked Vehicle (Vehicle type). A specialisation of a vehicle that operates on land tracked (Caterpillar) vehicle.",
"Hauling Gear (Transport element type). A device used for hauling goods.",
"Cargo (Vehicle type). A mobile transport element that represents a discrete unit of cargo managed by a facility.",
"Light (Alarm type). A visual alarm.",
"Geometric Model. Representation of the concept of a volumetric geological and geotechnical model, usually an interpretation but sometimes created direct from ground penetrating measurement.\nThe assembly may contain one of more strata and other anthropic elements. The contained subtypes of IfcGeotechnicalStratum will have shape representations made from polyhedra or surfaces if a 'Yabuki' top surface model is being used.",
"File Cabinet (Furniture type). Furniture with sliding drawers for storing files.",
"Centrifugal Radial (Fan type). Air flows through the impeller radially using blades that are uncurved or slightly forward curved."
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[
"Ramp Flight. A ramp comprises a single inclined segment, or several inclined segments that are connected by a horizontal segment, referred to as a landing. A ramp flight is the single inclined segment and part of the ramp construction. In case of single flight ramps, the ramp flight and the ramp are identical.",
"Gully Sump (Waste Terminal Type). Pipe fitting or assembly of fittings to receive surface water or waste water, fitted with a grating or sealed cover.",
"External Combustion (Engine type). Combustion is external.",
"Two Quarter Turn Ramp (Ramp type). A ramp making a 180° turn, consisting of three straight flights connected by two quarterspace landings. The direction of the turn is determined by the walking line.",
"Reinforced Soil. Soil reinforced or stabilized by some mechanical or chemical method.\n",
"Shelf (Furniture type). Furniture for storing books or other items.",
"Direct Expansion (Evaporator type). Direct-expansion evaporator.",
"Assisted Propane (Humidifier type). Water vapor is added into the airstream through water heated evaporation using a propane heater.",
"Mimic Panel (Unitary Control Element type). A control element at which information that is available elsewhere is repeated or 'mimicked'.",
"Vehicle Stop (Track Element type). A fixed installation at the end of the track which stops any vehicle movement (e.g., buffer stop, sand hump, etc.).",
"Wheeled Vehicle (Vehicle type). A specialisation of a vehicle that operates on land as a multi wheeled vehicle such as a car, lorry, forklift etc.",
"Vertically Drained (Reinforced Soil type). A method to set vertical drainage measures in the foundation, so that pore water in the soil is discharged and the foundation strength is improved.",
"Work Surface (System Furniture Element type). Workstation countertop.",
"Assisted Natural Gas (Humidifier type). Water vapor is added into the airstream through water heated evaporation using a natural gas heater.",
"Insulation (Covering type). The covering is used to insulate an element for thermal or acoustic purposes.",
"Temperature Sensor (Sensor type). A device that senses or detects temperature.",
"Amplifier (Audio Visual Appliance type). A device that receives an audio signal and amplifies it to play through speakers.",
"Assisted Steam (Humidifier type). Water vapor is added into the airstream through water heated evaporation using a steam heater.",
"Vehicle. A Vehicle.\n",
"Spherical (Bearing type). The bearing functionality is provided by convex dome in a concave basin.",
"Geotechnical Assembly. Representation of the abstract concept of a geological and geotechnical model, usually an interpretation but sometimes created direct from ground penetrating measurement.\nUse of an assembly is optional but can carry the methodology and uncertainty information.\nSuch assemblies will include IfcGeotechnicalStratum entity types and may include other entity types such as IfcPile, IfcSlab or IfcSensor to represent the capping, lining or logging equipment present.\nIfcBorehole or IfcGeoSlice can have a physical reality as a construction hazard alongside being the carrier for the interpreted results. Geological hazards may be associated to any IfcGeotechnicalAssembly or IfcGeotechnicalStratum.\n",
"Vehicle (Vehicle type). a generalisation of a vehicle that interacts with a facility (e.g. as a user/customer) or as a specified operational asset within the facility.",
"Moving Walkway (Transport Element type). Moving walkway being a transport device to move people horizontally or on an incline. It is a slow conveyor belt that transports people.",
"Borehole. Representation of the concept of a linear geological and geotechnical model, usually an interpretation but sometimes created direct from ground penetrating measurement\nThe assembly may contain one of more strata and other elements such as capping and lining. The contained subtypes of IfcGeotechnicalStratum will have shape representations made from straight or bent tubes reflecting the bore diameter, or discs if a 'Yabuki' top surface model is being used.",
"Rolling Stock (Vehicle type). Refers to railway vehicles, including both powered and unpowered vehicles, for example locomotives, railroad cars, coaches, private railroad cars and wagons.",
"Engine Generator (Electric Generator Type). Electrical generator with a fuel-driven engine, for example a diesel-driven emergency power supply.",
"Alarm Panel (Unitary Control Element type). A control element at which alarms are annunciated.",
"Sofa (Furniture type). Furniture for seating multiple people.",
"Derailer (Track element type). A fixed device which, when placed on the rail, derails the wheels of a vehicle, and serves to protect a converging line. Note: definition from IEC 60050-821.",
"Pot Bearing (Bearing type). A bearing which carries vertical load by compression of an (elastomeric) disc confined in a (steel) cylinder and which accommodates rotations by deformations of the disc.",
"Half Turn Stair (Stair type). A stair making a 180° turn, consisting of two straight flights connected",
"Member. An IfcMember is a structural member designed to carry loads between or beyond points of support. It is not required to be load bearing. The orientation of the member (being horizontal, vertical or sloped) is not relevant to its definition (in contrary to IfcBeam and IfcColumn). An IfcMember represents a linear structural element from an architectural or structural modeling point of view and shall be used if it cannot be expressed more specifically as either an IfcBeam or an IfcColumn.",
"Stair Flight. A stair flight is an assembly of building components in a single \"run\" of stair steps (not interrupted by a landing). The stair steps and any stringers are included in the stair flight. A winder is also regarded a part of a stair flight.",
"Element (Building Element Proxy type). Not used - kept for upward compatibility.",
"Roof. A roof is the covering of the top part of a building, it protects the building against the effects of weather.",
"Frog (Track Element type). A frog is an arrangement ensuring the intersection of two opposite running edges of turnouts or diamond crossings and having one crossing vee and two wing rails. Note: definition from EN 13232-1-2004.",
"Air Vehicle (Vehicle type). A specialisation of a vehicle that represents powered and unpowered flying vehicles, such as airplanes, helicopters, gliders etc.",
"Half Turn Ramp (Ramp type). A ramp making a 180° turn, consisting of two straight flights connected by a halfspace landing. The orientation of the turn is determined by the walking line.",
"Molding (Covering type). The covering is used to represent a molding being a strip of material to cover the transition of surfaces (often between wall cladding and ceiling).",
"Radio Block Center (Communications Appliance Type). A radio block center is a specialised computing device in railway with specification for generating Movement Authorities (MA) and transmitting it to trains. It gets information from signalling control and from the trains in its section.",
"Roof (Slab type). The slab is used to represent a roof slab (either flat or sloped).",
"Cross (Cable Carrier Fitting type). A fitting at which two branches are taken from the main route of the cable carrier simultaneously.",
"Gateway GPRS Support Node (Mobile Telecommunications Appliance type). The gateway GPRS support node is a component of the GPRS core network that extends the GSM to allow packet switching functionalities. This component is responsible for the internetworking between the GPRS network and external packet switched networks (e.g. the internet).",
"Marine Vehicle (Vehicle type). A specialisation of a vehicle that operates on water as a marine vessel.",
"Geotechnical Stratum. Representation of the concept of an identified discrete almost homogeneous geological feature with either an irregular solid or 'Yabuki' top surface shape or a regular voxel cubic shape. A stratum is represented as a discrete entity, specialised (sub typed) from IfcElement. A stratum may be broken down into smaller entities if properties vary across the stratum or alternatively properties may be described with bounded numeric ranges. A stratum may carry information about the physical form and its interpretation as a Geological Item (GML).\nThe shape representations used should correspond to the sub-type of IfcGeotechnicalAssembly in which it occurs\n",
"Runaround Coil Loop (Air to air heat recovery type). A typical coil energy recovery loop places extended surface, finned tube water coils in the supply and exhaust airstreams of a building.",
"Light Dome (Window type). A special window that lies horizonally in a roof slab opening.",
"Ceiling (Covering type). The covering is used to represent a ceiling.",
"Circulator (Pump type). A Circulator pump is a generic low-pressure, low-capacity pump. It may have a wet rotor and may be driven by a flexible-coupled motor.",
"Two Straight Run Stair (Stair type). A straight stair consisting of two straight flights without turns but with one landing.",
"Water (Geotechnical Stratum type). Representation of the concept of an identified discrete water filled geological or surface feature including lakes, rivers and seas.",
"Time Clock (Electric Time Control type). A control that causes action to occur at set times.",
"Boom Barrier (Door type). A boom barrier (also known as a boom gate) is a bar, or pole pivoted to allow the boom to block vehicular or pedestrian access through a controlled point.",
"Multi Position (Controller type). Output is discrete value, can be one of three or more values.",
"Elemented Wall (Wall type). A stud wall framed with studs and faced with sheetings, sidings, wallboard, or plasterwork.",
"Transport Element. A transport element is a generalization of all transport related objects that move people, animals or goods within a Facility. The IfcTransportElement defines the occurrence of a transport element, that (if given), is expressed by the IfcTransportElementType.",
"Chimney. Chimneys are typically vertical, or as near as vertical, parts of the construction of a building and part of the building fabric. Often constructed by pre-cast or insitu concrete, today seldom by bricks.",
"Track End of Alignment (Track Element type). A track end of alignment is a special functional installation such as axle-gauge changeover point or transporter wagon loading point.",
"Backfill (Earthworks Fill type). Fill behind retaining walls or other structures such as quays, behind abutments and bridges.",
"Quarter Winding Stair (Stair type). A stair consisting of one flight with a quarter winder, which is making a 90° turn. The direction of the turn is determined by the walking line.",
"Base Station Controller (Unitary Control Element type). A base station controller (BSC) is a network component with the functions for controlling one or more base transceiver stations. BSC is responsible for the management of various interfaces, wireless resources and parameters, the signalling processing of call establishment and the channel allocation in the cell.",
"Technical Cabinet (Furniture type). A technical cabinet is a piece of furniture for holding, displaying and protecting technical appliances, usually organized in shelves, drawers or racks.",
"Electric Generator. An electric generator is an engine that is a machine for converting mechanical energy into electrical energy.",
"Bed (Furniture type). Furniture for sleeping.",
"Guard Rail (Rail type). A guard rail is a rail that limits risk of train derailment, normally not loaded.",
"System Furniture Element. A system furniture element defines components of modular furniture which are not directly placed in a building structure but aggregated inside furniture.",
"Speed Regulator (Track Element type). A device composed of pneumatic, mechanic or electric components causing the breaking of a train in case of emergency.",
"Geoslice. Representation of the concept of a sectional planar geological and geotechnical model, usually an interpretation but sometimes created direct from ground penetrating measurement. The assembly may contain one of more strata and anthropic elements. The contained subtypes of IfcGeotechnicalStratum will have shape representations made from polygons reflecting the visible section or poly lines if a 'Yabuki' top surface model is being used.",
"Lifting Gear (Transport Element type). A device used for lifting or lowering heavy goods. It may be manually operated or electrically or pneumatically driven.",
"Two Curved Run Stair (Stair type). A curved stair consisting of two curved flights without turns but with one landing.",
"Armour (Course type). An Aggregate layer whose primary function is to protect against erosion of the underlying material by water e.g. riprap.",
"Chair (Furniture type). Furniture for seating a single person.",
"Quarter Turn Ramp (Ramp type). A ramp making a 90° turn, consisting of two straight flights connected by a quarterspace landing. The direction of the turn is determined by the walking line.",
"Inspection Pit (Distribution Chamber Element type). Recess or chamber formed to permit access for inspection of substructure and services.",
"Bird Cage (Stack Terminal type). Guard cage, typically wire mesh, at the top of the stack preventing access by birds.",
"Optical Cable Segment (Cable Segment type). An optical cable segment is a cable segment that contains a variable number of optical fiber segments.",
"Direct Evaporative Random Media Air Cooler (Evaporative Cooler Type). Direct evaporative random media air cooler: Cools the air stream by evaporating water dircectly into the air stream using coolers with evaporative pads, usually of aspen wood or plastic fiber/foam.",
"Desk (Furniture type). Furniture with a countertop and optional drawers for a single person.",
"Core Segment (Cable Segment type). A self contained element of a cable that comprises one or more conductors and sheathing.The core of one lead is normally single wired or multiwired which are intertwined.",
"Mooring Device. A mooring device is an active or passive built element who's primary function is to participate in the mooring of a vessel, this could be in the form of a bollard used as an attachment point for lines or active equipment such as quick release hooks.\n",
"Propellor Axial (Fan type). Air flows through the impeller axially and small hub-to-tip ratio impeller mounted in an orifice plate or inlet ring.",
"Furniture. Furniture defines complete furnishings such as a table, desk, chair, or cabinet, which may or may not be permanently attached to a building structure.",
"Void (Geotechnical Stratum type). Representation of the concept of an identified discrete air filled geological feature, including caves and other voids.",
"Alarm. An alarm is a device that signals the existence of a condition or situation that is outside the boundaries of normal expectation or that activates such a device.",
"Camera (Audio Visual Appliance type). A device that records images, either as a still photograph or as moving images known as videos or movies. Note that a camera may operate with light from the visible spectrum or from other parts of the electromagnetic spectrum such as infrared or ultraviolet.",
"Freeform (Roof type). Free form roof.",
"Electric Motor. An electric motor is an engine that is a machine for converting electrical energy into mechanical energy.",
"Partial (Building element proxy type). Not used - kept for upward compatibility.",
"Player (Audio Visual Appliance type). A device that plays audio and/or video content directly or to another device, having fixed or removable storage media.",
"Cable Bracket (Cable Carrier Segment type). A cable bracket is a horizontal cable support fixed at one end only, spaced at intervals, on which cables rest.",
"Escalator (Transport Element type). Escalator being a transport device to move people. It consists of individual linked steps that move up and down on tracks while keeping the threads horizontal.",
"Flooring (Covering type). The covering is used to represent a flooring.",
"Indirect Evaporative Wet Coil (Evaporative Cooler Type). Indirect evaporative wet coil: Cools the air stream by evaporating water indirectly and without adding moisture into the air stream. Water is sprayed directly on the tubes of the heat exchanger where latent cooling takes place and the vaporization of the water on the outside of the heat exchanger tubes allows the simultaneous heat and mass transfer which removes heat from the supply air on the tube side.",
"Louvred Air Terminal (Air Terminal Type). A rectilinear louvre.",
"Two Straight Run Ramp (Ramp type). A straight ramp consisting of two straight flights without turns but with one landing.",
"Elevator (Transport Element type). Elevator or lift being a transport device to move people of good vertically.",
"Craneway (Transport Element type). A crane way system, normally including the crane rails, fasteners and the crane. It is primarily used to move heavy goods in a factory or other industry buildings.",
"Twin Tower Enthalpy Recovery Loops (Air to Air Heat Recovery type). An air-to-liquid, liquid-to-air enthalpy recovery system with a sorbent liquid circulates continuously between supply and exhaust airstreams, alternately contacting both airstreams directly in contactor towers.",
"Control Panel (Unitary Control Element type). A control element at which devices that control or monitor the operation of a site, building or part of a building are located",
"Solid (Geotechnical Stratum type). Representation of the concept of an identified discrete almost homogenous solid geological or surface feature, including discontinuities such as faults, fractures, boundaries and interfaces that are not explicitly modelled.",
"Elastomeric (Bearing type). A pad bearing which carries vertical load by contact stresses between a sheet of sliding material and a mating surface that permits movements by sliding and accommodates rotation by deformation of the elastomer.",
"Surcharge Preloaded (Reinforced Soil Type). A method that applies load to the foundation to discharge pore water, and the foundation is consolidated to improve the foundation strength. Unloading when the carrying capacity reaches the required level.",
"Subrack (System Furniture Element type). A subrack is a part of technical cabinet which is used to store and mount pluggable electric subunits.",
"Cladding (Covering type). The covering is used to represent a cladding.",
"Polyphase (Electric motor type). A two or three-phase induction motor in which the windings, one for each phase, are evenly divided by the same number of electrical degrees.",
"Halogen (Lamp type). An incandescent lamp in which a tungsten filament is sealed into a compact transport envelope filled with an inert gas and a small amount of halogen such as iodine or bromine.",
"Panel (System Furniture Element type). Vertical panel used to divide work spaces.",
"Finned (Tube Bundle type). Finned tube bundle type.",
"Table (Furniture type). Furniture with a countertop for multiple people.",
"Tracked Vehicle (Vehicle type). A specialisation of a vehicle that operates on land tracked (Caterpillar) vehicle.",
"Hauling Gear (Transport element type). A device used for hauling goods.",
"Cargo (Vehicle type). A mobile transport element that represents a discrete unit of cargo managed by a facility.",
"Direct Evaporative Packaged Rotary Air Cooler (Evaporative Cooler Type). Direct evaporative packaged rotary air cooler: Cools the air stream by evaporating water dircectly into the air stream using coolers that wet and wash the evaporative pad by rotating it through a water bath.",
"Geometric Model. Representation of the concept of a volumetric geological and geotechnical model, usually an interpretation but sometimes created direct from ground penetrating measurement.\nThe assembly may contain one of more strata and other anthropic elements. The contained subtypes of IfcGeotechnicalStratum will have shape representations made from polyhedra or surfaces if a 'Yabuki' top surface model is being used.",
"File Cabinet (Furniture type). Furniture with sliding drawers for storing files.",
"Network Hub (Communications Appliance Type). A network hub connects multiple network segments at the physical layer (layer 1) of the OSI model."
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[
"Wall Standard Case. The IfcWallStandardCase defines a wall with certain constraints for the provision of parameters and with certain constraints for the geometric representation. The IfcWallStandardCase handles all cases of walls, that are extruded vertically:",
"Distribution Chamber Element. A distribution chamber element defines a place at which distribution systems and their constituent elements may be inspected or through which they may travel.",
"Receiver (Audio Visual Appliance type). A device that receives audio and/or video signals, switches sources, and amplifies signals to play through speakers.",
"Flexible Pavement (Pavement type). Flexible pavements, including less rigid pavements like rubber.",
"Filter (Course type). An Intermediate layer whose primary function is to prevent the washing through of fine materials.",
"Shelf (Furniture type). Furniture for storing books or other items.",
"Tuner (Audio Visual Appliance type). An electronic receiver that detects, demodulates, and amplifies transmitted signals.",
"OLED Lamp (Lamp type). A solid state lamp that uses light-emitting diodes as the source of light whose emissive electroluminescent layer is composed of a film of organic compounds.",
"DX Cooling Coil (Coil type). Cooling coil using a refrigerant to cool the air stream directly.",
"Approach Slab (Slab type). Iis part of bridge abutment providing transition from embankment to the bridge",
"Wheeled Vehicle (Vehicle type). A specialisation of a vehicle that operates on land as a multi wheeled vehicle such as a car, lorry, forklift etc.",
"Spiral (Stair flight type). A stair flight with a circular or elliptic walking line.",
"Work Surface (System Furniture Element type). Workstation countertop.",
"Photocopier (Electric Appliance Type). A machine that has the primary function of reproduction of printed matter.",
"Caisson Foundation (Footing type). A foundation construction type used in underwater construction.",
"Earthing Switch (Protective Device Type). A safety device used to open or close a circuit when there is no current. Used to isolate a part of a circuit, a machine, a part of an overhead line or an underground line so that maintenance can be safely conducted.",
"Gravity Relief Damper (Damper type). Gravity-relief damper used to allow air to move upon a buildup of enough pressure to overcome the gravitational force exerted upon the damper blades. Commonly operated by gravitational weight.",
"Lamp. A lamp is an artificial light source such as a light bulb or tube.",
"Vehicle. A Vehicle.\n",
"Beacon (Navigation element type). a fixed vertical structure serving as a navigation mark, to show reefs or other hazards, or provide navigational directions.",
"Geotechnical Assembly. Representation of the abstract concept of a geological and geotechnical model, usually an interpretation but sometimes created direct from ground penetrating measurement.\nUse of an assembly is optional but can carry the methodology and uncertainty information.\nSuch assemblies will include IfcGeotechnicalStratum entity types and may include other entity types such as IfcPile, IfcSlab or IfcSensor to represent the capping, lining or logging equipment present.\nIfcBorehole or IfcGeoSlice can have a physical reality as a construction hazard alongside being the carrier for the interpreted results. Geological hazards may be associated to any IfcGeotechnicalAssembly or IfcGeotechnicalStratum.\n",
"Vehicle (Vehicle type). a generalisation of a vehicle that interacts with a facility (e.g. as a user/customer) or as a specified operational asset within the facility.",
"Moving Walkway (Transport Element type). Moving walkway being a transport device to move people horizontally or on an incline. It is a slow conveyor belt that transports people.",
"Borehole. Representation of the concept of a linear geological and geotechnical model, usually an interpretation but sometimes created direct from ground penetrating measurement\nThe assembly may contain one of more strata and other elements such as capping and lining. The contained subtypes of IfcGeotechnicalStratum will have shape representations made from straight or bent tubes reflecting the bore diameter, or discs if a 'Yabuki' top surface model is being used.",
"Rolling Stock (Vehicle type). Refers to railway vehicles, including both powered and unpowered vehicles, for example locomotives, railroad cars, coaches, private railroad cars and wagons.",
"Remote Unit (Mobile Telecommunications Appliance type). A remote unit is a device used to amplify a base station signal.",
"Manual Pull Box (Alarm type). An alarm activation mechanism in which activation is achieved by a pulling action.",
"Sofa (Furniture type). Furniture for seating multiple people.",
"Roller (Bearing type). The bearing functionality is provided by one or more rollers that are placed between two plates.",
"Skirting Board (Covering type). The covering is used to represent a skirting board being a strip of material to cover the transition between the wall cladding and the flooring.",
"Blade (Rail type). A blade is a machined rail, often of special section, but fixed and/or joined at the heel end to a rail to provide continuity of wheel support. The two switch rails in a set are the two inside rails. A switch rail is described as right or left hand according to whether it is part of a right hand or left hand half-set of switches. Note: definition from EN 13232-1-2004.",
"Quarter Turn Stair (Stair type). A stair making a 90° turn, consisting of two straight flights connected by a quarterspace landing. The direction of the turn is determined by the walking line.",
"Butterfly Roof (Roof type). A roof having two slopes, each descending inward from the eaves.",
"Pier Cap (Beam type). A transversal beam on top of a pier (on a single column or extending from one column of a pier to another column of the same pier).",
"Trap Door (Door type). A special door that lies horizonally in a slab opening. Often used for accessing cellar or attic.",
"Wave Wall (Wall type). Protective wall or screen to block overtopping and impact of waves across a breakwater",
"Air Vehicle (Vehicle type). A specialisation of a vehicle that represents powered and unpowered flying vehicles, such as airplanes, helicopters, gliders etc.",
"Earthworks Fill. A type of earthworks element created by earthwork activities to build subgrade or to raise the level of the ground in general.\n",
"Movable Wall (Wall type). A movable wall that is either movable, such as folding wall or a sliding wall, or can be easily removed as a removable partitioning or mounting wall. Movable walls do normally not define space boundaries and often belong to the furnishing system.",
"Rigid Segment (Pipe segment type). A rigid segment is continuous linear segment of pipe that cannot be deformed.",
"Hip Roof (Roof type). A roof having sloping ends and sides meeting at an inclined projecting angle.",
"Dynamic (Compressor type). The pressure of refrigerant vapor is increased by a continuous transfer of angular momentum from a rotating member to the vapor followed by conversion of this momentum into static pressure.",
"Combined (Unitary Control Element type). Combination of at least two predefined types of unitary control element.",
"Marine Vehicle (Vehicle type). A specialisation of a vehicle that operates on water as a marine vessel.",
"Geotechnical Stratum. Representation of the concept of an identified discrete almost homogeneous geological feature with either an irregular solid or 'Yabuki' top surface shape or a regular voxel cubic shape. A stratum is represented as a discrete entity, specialised (sub typed) from IfcElement. A stratum may be broken down into smaller entities if properties vary across the stratum or alternatively properties may be described with bounded numeric ranges. A stratum may carry information about the physical form and its interpretation as a Geological Item (GML).\nThe shape representations used should correspond to the sub-type of IfcGeotechnicalAssembly in which it occurs\n",
"E-UTRAN Node B (Mobile Telecommunications Appliance Type). An E-utran nodel B is a logical network component which serves one or more E-utran cells. It is the hardware connected to the evolved packet core (EPC), more specifically to the mobility management entity (MME) , which communicates directly with user equipment in wireless way.",
"Two Quarter Winding Stair (Stair type). A stair consisting of one flight with two quarter winders, which make a 90° turn. The stair makes a 180° turn. The direction of the turns is determined by the walking line.",
"Window. The window is a building element that is predominately used to provide natural light and fresh air. It includes vertical opening but also horizontal opening such as skylights or light domes. It includes constructions with swinging, pivoting, sliding, or revolving panels and fixed panels. A window consists of a lining and one or several panels. A window can:",
"Pipe Fitting. A pipe fitting is a junction or transition in a piping flow distribution system used to connect pipe segments, resulting in changes in flow characteristics to the fluid such as direction or flow rate.",
"Three Quarter Turn Stair (Stair type). A stair making a 270° turn, consisting of four straight flights connected by three quarterspace landings. The direction of the turns is determined by the walking line.",
"Water (Geotechnical Stratum type). Representation of the concept of an identified discrete water filled geological or surface feature including lakes, rivers and seas.",
"Natural Draft (Cooling Tower type). Air flow is produced naturally.",
"Sleeving (Covering type). The covering is used to isolate a distribution element from a space in which it is contained.",
"Flow Segment. The distribution flow element IfcFlowSegment defines the occurrence of a segment of a flow distribution system.",
"Splice Plate (Plate type). A plate connecting two members joined at ends.",
"Transport Element. A transport element is a generalization of all transport related objects that move people, animals or goods within a Facility. The IfcTransportElement defines the occurrence of a transport element, that (if given), is expressed by the IfcTransportElementType.",
"Jet Grouting (Pile type). An injected pile-like construction.",
"Rail (Rail type). A rail is a special section bar (usually of steel) ensuring the guidance of the wheel of a rolling stock or other heavy machineries. In railway, two rails are combined to form a track.",
"Bollard (Mooring Device Type). a short, thick post on the deck of a ship or a quay side, to which ship's rope may be secured. not to be confused with traffic bollards.",
"Freeform (Stair flight type). A stair flight with a free form walking line (and outer boundaries).",
"Pipe Segment. A pipe segment is used to typically join two sections of a piping network.",
"Technical Cabinet (Furniture type). A technical cabinet is a piece of furniture for holding, displaying and protecting technical appliances, usually organized in shelves, drawers or racks.",
"Obstacle Sensor (Sensor type). A device that senses or detects any obstacles. Examples are: detectors sensing objects falling from a bridge, rock-fall detectors, etc.",
"Bed (Furniture type). Furniture for sleeping.",
"Web Plate (Plate type). A plate connecting flange plates in linear members having box or I-profile.",
"System Furniture Element. A system furniture element defines components of modular furniture which are not directly placed in a building structure but aggregated inside furniture.",
"Track Element. A track element is a built element used specifically in the track domain in railway.\n",
"Geoslice. Representation of the concept of a sectional planar geological and geotechnical model, usually an interpretation but sometimes created direct from ground penetrating measurement. The assembly may contain one of more strata and anthropic elements. The contained subtypes of IfcGeotechnicalStratum will have shape representations made from polygons reflecting the visible section or poly lines if a 'Yabuki' top surface model is being used.",
"Lifting Gear (Transport Element type). A device used for lifting or lowering heavy goods. It may be manually operated or electrically or pneumatically driven.",
"Winder (Stair flight type). A stair flight with a walking line including straight and curved sections.",
"Caisson Foundation (Caisson Foundation type). Closed box.",
"Chair (Furniture type). Furniture for seating a single person.",
"Check Rail (Rail type). A check rail is a rail laid close to the gauge face of a running rail which takes part in lateral guidance of the wheel and prevents derailment in small radius curved track and switches and crossings. Note: definition from EN 13481-1.",
"Assisted Butane (Humidifier type). Water vapor is added into the airstream through water heated evaporation using a butane heater.",
"Junction Box. A junction box is an enclosure within which cables are connected.",
"Flat Oval (Duct Silencer type). Flat-oval shaped duct silencer type.",
"Communication Terminal (Audio Visual Appliance type). A communication terminal is an audio communication device that is usually installed along transportation infrastructure (railways, roads, tunnels etc.) in order to be used by the general public or operation agents for communication. It may specifically be used to make calls to emergency services in tunnels.",
"Desk (Furniture type). Furniture with a countertop and optional drawers for a single person.",
"Conveyor Segment. A conveyor segment defines an occurrence of a flow segment/ continuous run within a conveyor system that joins two sections of the system. these can utilise different carrying methods such as belt, rope, chain, screw etc. Also refers to a machine that continuously transports material or objects along a gentle slope using an endless belt, rope or chain, or rollers.\n",
"Membrane (Covering type). An impervious layer that could be used for e.g. roof covering (below tiling - that may be known as sarking etc.) or as a damp proof course membrane; also, waterproofing material on a bridge structure (typically on top of bridge slab).",
"Dropper (Cable Carrier Segment type). A dropper is a cable carrier used to suspend cable from another cable. It could also conduct electricity.",
"Furniture. Furniture defines complete furnishings such as a table, desk, chair, or cabinet, which may or may not be permanently attached to a building structure.",
"Void (Geotechnical Stratum type). Representation of the concept of an identified discrete air filled geological feature, including caves and other voids.",
"Whistle (Alarm type). An audible alarm.",
"Internal Combustion (Engine type). Combustion is internal.",
"Mansard Roof (Roof type). A roof having on each side a steeper lower part and a shallower upper part.",
"Direct Evaporative Rigid Media Air Cooler (Evaporative Cooler type). Direct evaporative rigid media air cooler: Cools the air stream by evaporating water dircectly into the air stream using coolers with sheets of rigid, corrugated material as the wetted surface.",
"Driven Pile (Pile type). A rammed, vibrated, or otherwise driven pile.",
"Relief Damper (Damper type). Relief damper used to allow air to move upon a buildup of a specified pressure differential. Commonly operated by mechanical spring.",
"Water Cooling Coil (Coil type). Cooling coil using chilled water. HYDRONICCOIL supercedes this enumerator.",
"Escalator (Transport Element type). Escalator being a transport device to move people. It consists of individual linked steps that move up and down on tracks while keeping the threads horizontal.",
"Double Return Stair (Stair type). A stair having one straight flight to a wide quarterspace landing, and two side flights from that landing into opposite directions. The stair is making a 90° turn. The direction of traffic is determined by the walking line.",
"Wire Pair Segment (Cable Segment type). A pair of conductors contained in a copper cable. The pair is always used together to form a circuit to transmit data by means of electric signals.",
"Twin Screw (Compressor type). Positive-displacement rotary compressor using two mating helically grooved rotors, male (lobes) and female (flutes) in a stationary housing with inlet and outlet gas ports.",
"Protection (Course type). Layer with the primary task to provide protection against erosion and scour.",
"Elevator (Transport Element type). Elevator or lift being a transport device to move people of good vertically.",
"Craneway (Transport Element type). A crane way system, normally including the crane rails, fasteners and the crane. It is primarily used to move heavy goods in a factory or other industry buildings.",
"Optical Line Terminal (Communications Appliance Type). An optical line terminal is a service provider endpoint of a passive or active optical network. It is the terminal equipment for connecting fiber optic trunks.",
"Bell (Alarm type). An audible alarm.",
"Solid (Geotechnical Stratum type). Representation of the concept of an identified discrete almost homogenous solid geological or surface feature, including discontinuities such as faults, fractures, boundaries and interfaces that are not explicitly modelled.",
"Shutter (Shading Device Type). A mechanical devices that limits the passage of light. Often used as a a solid or louvered movable cover for a window.",
"Two Quarter Turn Stair (Stair type). A stair making a 180° turn, consisting of three straight flights connected by two quarterspace landings. The direction of the turns is determined by the walking line.",
"Subrack (System Furniture Element type). A subrack is a part of technical cabinet which is used to store and mount pluggable electric subunits.",
"Buoy (Navigation Element type). an anchored floating structure serving as a navigation mark, to show reefs or other hazards, or provide navigational directions.",
"Direct Evaporative Air Washer (Evaporative Cooler Type). Direct evaporative air washer: Cools the air stream by evaporating water dircectly into the air stream using coolers with spray-type air washer consist of a chamber or casing containing spray nozzles, and tank for collecting spray water, and an eliminator section for removing entrained drops of water from the air.",
"Vending Machine (Electric Appliance Type). An appliance that stores and vends goods including food, drink, tickets, and goods of various types.",
"Panel (System Furniture Element type). Vertical panel used to divide work spaces.",
"Flow Fitting. The distribution flow element IfcFlowFitting defines the occurrence of a junction or transition in a flow distribution system, such as an elbow or tee. Its type is defined by IfcFlowFittingType or its subtypes.",
"Table (Furniture type). Furniture with a countertop for multiple people.",
"Tracked Vehicle (Vehicle type). A specialisation of a vehicle that operates on land tracked (Caterpillar) vehicle.",
"Hauling Gear (Transport element type). A device used for hauling goods.",
"Cargo (Vehicle type). A mobile transport element that represents a discrete unit of cargo managed by a facility.",
"Toilet Pan (Sanitary Terminal type). Soil appliance for the disposal of excrement.",
"Geometric Model. Representation of the concept of a volumetric geological and geotechnical model, usually an interpretation but sometimes created direct from ground penetrating measurement.\nThe assembly may contain one of more strata and other anthropic elements. The contained subtypes of IfcGeotechnicalStratum will have shape representations made from polyhedra or surfaces if a 'Yabuki' top surface model is being used.",
"File Cabinet (Furniture type). Furniture with sliding drawers for storing files.",
"Rigid Segment (Duct Segment type). A rigid segment is a continuous linear segment of duct that cannot be deformed."
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[
"Paving Slab (Slab type). Rigid pavement course of a road or other paved area, usually concrete.",
"Gravity Damper (Damper type). Gravity damper closes from the force of gravity. Commonly operated by gravitational weight.",
"Catenary Wire (Cable Carrier Segment type). A catenary wire is a longitudinal wire supporting the grooved contact wires either directly or indirectly. Note: definition from UIC 719-1.",
"Sleeper (Track element type). A sleeper is a track element that supports running rails, guard rails and check rails usually at right angles to its axis.",
"Stiffener Plate (Plate type). A transversal plate added to a flange or a web plate for local stiffening.",
"Shelf (Furniture type). Furniture for storing books or other items.",
"Tee (Cable Carrier Fitting type). A fitting at which a branch is taken from the main route of the cable carrier.",
"Junction (Cable Fitting type). A fitting that joins three or more segments of arbitrary connector types for signal splitting or multiplexing.",
"Adiabatic Compressed Air Nozzle (Humidifier type). Water vapor is added into the airstream through adiabatic evaporation using a compressed air nozzle.",
"Straight Run Ramp (Ramp type). A ramp - which is a sloping floor, walk, or roadway - connecting two levels. The straight ramp consists of one straight flight without turns or winders.",
"Wheeled Vehicle (Vehicle type). A specialisation of a vehicle that operates on land as a multi wheeled vehicle such as a car, lorry, forklift etc.",
"Girder Segment (Beam type). A segment of a girder (e.g. each span of a continuous girder).",
"Work Surface (System Furniture Element type). Workstation countertop.",
"Cable Tray Segment (Cable Carrier Segment type). A (typically) open carrier segment onto which cables are laid.",
"Wearing (Slab type). The slab is used to represent a wearing surface.",
"High Pressure Sodium (Lamp type). A discharge lamp in which most of the light is emitted by exciting sodium at high pressure.",
"Thermostat (Unitary Control Element type). A control element that senses and regulates the temperature of an element, system or space so that the temperature is maintained near a desired setpoint.",
"Cable Trunking Segment (Cable Carrier Segment type). An enclosed carrier segment with one or more compartments into which cables are placed.",
"Vehicle. A Vehicle.\n",
"Curtain Panel (Plate type). A planar element within a curtain wall, often consisting of a frame with fixed glazing.",
"Geotechnical Assembly. Representation of the abstract concept of a geological and geotechnical model, usually an interpretation but sometimes created direct from ground penetrating measurement.\nUse of an assembly is optional but can carry the methodology and uncertainty information.\nSuch assemblies will include IfcGeotechnicalStratum entity types and may include other entity types such as IfcPile, IfcSlab or IfcSensor to represent the capping, lining or logging equipment present.\nIfcBorehole or IfcGeoSlice can have a physical reality as a construction hazard alongside being the carrier for the interpreted results. Geological hazards may be associated to any IfcGeotechnicalAssembly or IfcGeotechnicalStratum.\n",
"Vehicle (Vehicle type). a generalisation of a vehicle that interacts with a facility (e.g. as a user/customer) or as a specified operational asset within the facility.",
"Moving Walkway (Transport Element type). Moving walkway being a transport device to move people horizontally or on an incline. It is a slow conveyor belt that transports people.",
"Borehole. Representation of the concept of a linear geological and geotechnical model, usually an interpretation but sometimes created direct from ground penetrating measurement\nThe assembly may contain one of more strata and other elements such as capping and lining. The contained subtypes of IfcGeotechnicalStratum will have shape representations made from straight or bent tubes reflecting the bore diameter, or discs if a 'Yabuki' top surface model is being used.",
"Rolling Stock (Vehicle type). Refers to railway vehicles, including both powered and unpowered vehicles, for example locomotives, railroad cars, coaches, private railroad cars and wagons.",
"Contact Wire Segment (Cable Segment type). An electric conductor of an overhead contact line with which the current collectors make contact. Note: definition from IEC60050 811-33-15.",
"Direct Expansion Shell and Tube (Evaporator type). Direct-expansion evaporator where a refrigerant evaporates inside a series of baffles that channel the fluid throughout the shell side.",
"Sofa (Furniture type). Furniture for seating multiple people.",
"Sidewalk (Slab type). The slab is used to represent a sidewalk.",
"Rack Rail (Rail type). A rack rail is a building module for enhancing traction and break performance.",
"Beam. An IfcBeam is typically a horizontal, or nearly horizontal, structural member that is capable of withstanding load primarily by resisting bending. It may also represent such a member from an architectural point of view. It is not required to be load bearing.",
"Pier Stem Segment (Column type). A vertical segment of a pier column.",
"Rocker (Bearing type). The bearing functionality is provided by a rocker construction. Includes line rocker and point rocker bearings.",
"Flat Roof (Roof type). A roof having no slope, or one with only a slight pitch so as to drain rainwater.",
"Roofing (Covering type). The covering is used to represent a roof covering.",
"Friction (Pile type). A friction pile.",
"Air Vehicle (Vehicle type). A specialisation of a vehicle that represents powered and unpowered flying vehicles, such as airplanes, helicopters, gliders etc.",
"Rigid Pavement (Pavement type). Pavement substantially constructed of cement concrete.",
"Column. An IfcColumn is a vertical structural or architectural member which often is aligned with a structural grid intersection. In most cases it represents a vertical, or nearly vertical, structural member that transmits, through compression, the weight of the structure above to other structural elements below. It may also represent such a member from an architectural point of view in which case it may represent a non load bearing element. Whether it is a structural load bearing element or a non-load bearing element is determined by the _Pset\\_ColumnCommon.LoadBearing_ property.",
"Adiabatic Air Washer (Humidifier type). Water vapor is added into the airstream through adiabatic evaporation using an air washing element.",
"Shed Roof (Roof type). A roof having a single slope.",
"Break Pressure (Tank type). An open container that breaks the hydraulic pressure in a distribution system, typically located between the fluid reservoir and the fluid supply points. A typical break pressure tank allows the flow to discharge into the atmosphere, thereby reducing its hydrostatic pressure to zero.",
"Active Cooled Beam (Cooled Beam type). An active or ventilated cooled beam provides cooling (and heating) but can also function as an air terminal in a ventilation system.",
"Marine Vehicle (Vehicle type). A specialisation of a vehicle that operates on water as a marine vessel.",
"Geotechnical Stratum. Representation of the concept of an identified discrete almost homogeneous geological feature with either an irregular solid or 'Yabuki' top surface shape or a regular voxel cubic shape. A stratum is represented as a discrete entity, specialised (sub typed) from IfcElement. A stratum may be broken down into smaller entities if properties vary across the stratum or alternatively properties may be described with bounded numeric ranges. A stratum may carry information about the physical form and its interpretation as a Geological Item (GML).\nThe shape representations used should correspond to the sub-type of IfcGeotechnicalAssembly in which it occurs\n",
"Stitch Wire (Cable Segment type). A stitch wire consists of auxiliary wires and different components (clamp) used in stitched suspension.",
"Ladder (Stair type). a piece of equipment consisting of a series of bars or steps between two upright elements used for climbing up or down something",
"Tie Bar (Member type). A linear bar element used to secure or stabilise a structure by resisting lateral and longitudinal loading through tension and or compression. usually formed by a solid bar.",
"Turnout Closure Sensor (Sensor type). A device that senses or detects the position of a blade of a turnout.",
"Stair. A stair is a vertical passageway allowing occupants to walk (step) from one floor level to another floor level at a different elevation. It may include a landing as an intermediate floor slab.",
"Water (Geotechnical Stratum type). Representation of the concept of an identified discrete water filled geological or surface feature including lakes, rivers and seas.",
"Trochoidal Compressor (Compressor type). Positive-displacement compressor using a rolling motion of one circle outside or inside the circumference of a basic circle and produce either epitrochoids or hypotrochoids.",
"Cover Plate (Plate type). A plate (underneath or above) a flange to provide additional load capacity.",
"Gas Cock (Valve type). Valve that is used for controlling the flow of gas.",
"Guide (Bearing type). A bearing that ensures that the structure maintains the correct location or expansion/contraction path and takes no vertical load. Includes also restraint bearings.",
"Transport Element. A transport element is a generalization of all transport related objects that move people, animals or goods within a Facility. The IfcTransportElement defines the occurrence of a transport element, that (if given), is expressed by the IfcTransportElementType.",
"Fence (Railing type). Refers to non-load bearing vertical construction, usually lightweight, which bounds or subdivides an external area.",
"Complex (Building Element Proxy type). Not used - kept for upward compatibility.",
"Mullion (Member type). A linear element within a curtain wall system to connect two (or more) panels.",
"Ramp. A ramp is a vertical passageway which provides a human or vehicle circulation link between one floor level and another floor level at a different elevation. It may include a landing as an intermediate floor slab. A ramp normally does not include steps.",
"Adiabatic Pan (Humidifier type). Water vapor is added into the airstream through adiabatic evaporation using a pan.",
"Technical Cabinet (Furniture type). A technical cabinet is a piece of furniture for holding, displaying and protecting technical appliances, usually organized in shelves, drawers or racks.",
"Trench (Distribution Chamber Element type). Excavated chamber, the length of which typically exceeds the width.",
"Bed (Furniture type). Furniture for sleeping.",
"Coping (Covering type). A protective capping or covering of a wall or a parapet.",
"System Furniture Element. A system furniture element defines components of modular furniture which are not directly placed in a building structure but aggregated inside furniture.",
"Suspension Cable (Member type). A suspended element, typically comprising steel wire, sheath, etc.",
"Geoslice. Representation of the concept of a sectional planar geological and geotechnical model, usually an interpretation but sometimes created direct from ground penetrating measurement. The assembly may contain one of more strata and anthropic elements. The contained subtypes of IfcGeotechnicalStratum will have shape representations made from polygons reflecting the visible section or poly lines if a 'Yabuki' top surface model is being used.",
"Lifting Gear (Transport Element type). A device used for lifting or lowering heavy goods. It may be manually operated or electrically or pneumatically driven.",
"Door (Door type). A standard door usually within a wall opening, as a door panel in a curtain wall, or as a \"free standing\" door.",
"Slope Fill (Earthworks Fill type). Side slope (batter) fill abutting the road structure or back slope fill.",
"Chair (Furniture type). Furniture for seating a single person.",
"Spiral Ramp (Ramp type). A ramp constructed around a circular or elliptical well without newels and landings.",
"Oil Retention Tray (Tank type). An open container for environmental protection and storage of chemical products.",
"End Suction (Pump type). An End Suction pump, when mounted horizontally, has a single horizontal inlet on the impeller suction side and a vertical discharge. It may have a direct or close-coupled motor.",
"Floating (Controller type). Output increases or decreases at a constant or accelerating rate.",
"Frequency Transformer (Transformer type). A transformer that changes the frequency between circuits.",
"Desk (Furniture type). Furniture with a countertop and optional drawers for a single person.",
"Assisted Electric (Humidifier type). Water vapor is added into the airstream through water heated evaporation using an electric heater.",
"Counterweight (Earthworks Fill type). Embankment built on the side of the main road structure to reduce the settlement of the road.",
"IP Network Equipment (Communications Appliance Type). An IP network equipment is a device that provides IP data transmission channel for telecom subsystems or other subsystems e.g., routers, network switches or firewalls.",
"Furniture. Furniture defines complete furnishings such as a table, desk, chair, or cabinet, which may or may not be permanently attached to a building structure.",
"Void (Geotechnical Stratum type). Representation of the concept of an identified discrete air filled geological feature, including caves and other voids.",
"Mobile Telecommunications Appliance. A mobile telecommunications appliance is a device that transmits, converts, amplifies or receives signals used in mobile networks.\nNote: This entity is used to define specific appliances used in mobile telecommunication networks. General communications appliances and those used in fixed transmission networks should be instantiated using IfcCommunicationsAppliance.\n",
"Metal Halide (Lamp type). A discharge lamp in which most of the light is emitted by exciting a metal halide.",
"Straight Run Stair (Stair type). A stair extending from one level to another without turns or winders. The stair consists of one straight flight.",
"Telephony Exchange (Communications Appliance Type). A telephony exchange is a device that ensures the routing of telephone calls and communications.",
"Skylight (Window type). A window within a sloped building element, usually a roof slab.",
"Shower (Sanitary terminal type). Installation or waste water appliance that emits a spray of water to wash the human body.",
"Adiabatic Atomizing (Humidifier type). Water vapor is added into the airstream through adiabatic evaporation using an atomizing element.",
"Escalator (Transport Element type). Escalator being a transport device to move people. It consists of individual linked steps that move up and down on tracks while keeping the threads horizontal.",
"Curved Run Stair (Stair type). A stair extending from one level to another without turns or winders. The stair is consisting of one curved flight.",
"Router (Communications Appliance Type). A router is a networking device whose software and hardware are usually tailored to the tasks of routing and forwarding information. For example, on the Internet, information is directed to various paths by routers.",
"Motor Connection. A motor connection provides the means for connecting a motor as the driving device to the driven device.",
"Awning (Shading Device Type). A rooflike shelter of canvas or other material extending over a doorway, from the top of a window, over a deck, or similar, in order to provide protection, as from the sun.",
"Elevator (Transport Element type). Elevator or lift being a transport device to move people of good vertically.",
"Craneway (Transport Element type). A crane way system, normally including the crane rails, fasteners and the crane. It is primarily used to move heavy goods in a factory or other industry buildings.",
"Proportional Controller (Controller type). Output is proportional to the control error and optionally time integral and derivative.",
"Space Heater. Space heaters utilize a combination of radiation and/or natural convection using a heating source such as electricity, steam or hot water to heat a limited space or area. Examples of space heaters include radiators, convectors, baseboard and finned-tube heaters.",
"Solid (Geotechnical Stratum type). Representation of the concept of an identified discrete almost homogenous solid geological or surface feature, including discontinuities such as faults, fractures, boundaries and interfaces that are not explicitly modelled.",
"Cylindrical (Bearing type). The bearing functionality is provided by cylinder in a concave cylinder.",
"Arch Segment (Member type). Individual segment of an arch structure.",
"Subrack (System Furniture Element type). A subrack is a part of technical cabinet which is used to store and mount pluggable electric subunits.",
"Spiral Stair (Stair type). A stair constructed with winders around a circular newel often without landings. Depending on outer boundary it can be either a circular, elliptical or rectangular spiral stair. The orientation of the winding stairs is determined by the walking line.",
"Time Delay (Electric Time Control type). A control that causes action to occur following a set duration.",
"Cable Ladder Segment (Cable Carrier Segment type). An open carrier segment on which cables are carried on a ladder structure.",
"Panel (System Furniture Element type). Vertical panel used to divide work spaces.",
"Safety Cut-Off (Valve type). Valve that closes under the action of a safety mechanism such as a drop weight, solenoid etc.",
"Table (Furniture type). Furniture with a countertop for multiple people.",
"Tracked Vehicle (Vehicle type). A specialisation of a vehicle that operates on land tracked (Caterpillar) vehicle.",
"Hauling Gear (Transport element type). A device used for hauling goods.",
"Cargo (Vehicle type). A mobile transport element that represents a discrete unit of cargo managed by a facility.",
"Intelligent Peripheral (Communications Appliance type). An intelligent peripheral is a device that offers a variety of specialized resources according to the corresponding service logical program under the control of SCP. These resources contain the receiver of DTMF (Dual-Tone Multi-Frequency, signal generator, record notice, etc.). An intelligent peripheral provides dedicated resource functions in the intelligent network, allocates, controls and manages various dedicated resources, communicates with other entities in the network, and completes SRF resource functions as well as the maintenance, management and statistics functions of resources.",
"Geometric Model. Representation of the concept of a volumetric geological and geotechnical model, usually an interpretation but sometimes created direct from ground penetrating measurement.\nThe assembly may contain one of more strata and other anthropic elements. The contained subtypes of IfcGeotechnicalStratum will have shape representations made from polyhedra or surfaces if a 'Yabuki' top surface model is being used.",
"File Cabinet (Furniture type). Furniture with sliding drawers for storing files.",
"Steam Injection (Humidifier type). Water vapor is added into the airstream through direct steam injection."
] | [
"Built (Structural/Architectural)",
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] |
["Railing. The railing is a frame assembly adjacent to human or vehicle circulation spaces and at so(...TRUNCATED) | ["Built (Structural/Architectural)","Distribution (Mechanical/Electrical/Plumbing)","Distribution (M(...TRUNCATED) |
["Column (Column type). A usually vertical member that may be load bearing and requiring resistance (...TRUNCATED) | ["Built (Structural/Architectural)","Furnishing","Geotechnical","Built (Structural/Architectural)","(...TRUNCATED) |
["Roof Drain (Waste Terminal type). Pipe fitting, set into the roof, that collects rainwater for dis(...TRUNCATED) | ["Distribution (Mechanical/Electrical/Plumbing)","Distribution (Mechanical/Electrical/Plumbing)","Di(...TRUNCATED) |
End of preview. Expand
in Dataset Viewer.
Data sources
- Industry Foundation Classes (IFC) published by buildingSmart International: https://ifc43-docs.standards.buildingsmart.org/
- Uniclass product tables published by NBS: https://www.thenbs.com/our-tools/uniclass
License
- cc-by-nc-nd-4.0: https://creativecommons.org/licenses/by-nc-nd/4.0/deed.en
How to cite
Research paper on the dataset development and validations: https://arxiv.org/abs/2411.12056
@article{shahinmoghadam2024benchmarking,
title={Benchmarking pre-trained text embedding models in aligning built asset information},
author={Shahinmoghadam, Mehrzad and Motamedi, Ali},
journal={arXiv preprint arXiv:2411.12056},
year={2024}
}
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