A sound power level measure is a measure of total radiated noise with units of decibels with a reference value of picowatts.

Type: REAL

HISTORY  Renamed in IFC4 (was IfcSoundPowerMeasure).

XSD Specification:

 <xs:simpleType name="IfcSoundPowerLevelMeasure">
  <xs:restriction base="xs:double"/>
 <xs:element name="IfcSoundPowerLevelMeasure-wrapper" nillable="true">
    <xs:extension base="ifc:IfcSoundPowerLevelMeasure">
     <xs:attributeGroup ref="ifc:instanceAttributes"/>

EXPRESS Specification:

TYPE IfcSoundPowerLevelMeasure = REAL;

Link to EXPRESS-G diagram EXPRESS-G diagram

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