8.11.2.89 IfcSoundPowerLevelMeasure
8.11.2.89.1 Semantic definition
A sound power level measure is a measure of total radiated noise with units of decibels with a reference value of picowatts.
Type: REAL
8.11.2.89.2 Formal representation
TYPE IfcSoundPowerLevelMeasure = REAL;
END_TYPE;