| Name | Type | Description |
| UndergroundExcavationMethod |
P_ENUMERATEDVALUE
/
IfcLabel
/
PEnum_UndergroundExcavationMethod |
Method of excavation.
|
| SupportDescription |
P_SINGLEVALUE
/
IfcLabel
|
Description of Support.
|
| SupportClass |
P_SINGLEVALUE
/
IfcLabel
|
Specifies a class defining the support measures for underground excavation.
|
| ExcavationClass |
P_SINGLEVALUE
/
IfcLabel
|
Specifies an excavation class used in underground excavation.
|
| RoundLength |
P_SINGLEVALUE
/
IfcPositiveLengthMeasure
|
Length of individual round or drive.
|