The length_attribute of the segment_type must be 0
Usages:
Then The SegmentLength of the IfcAlignmentHorizontalSegment must be 0
ALB015 Alignment business logic zero length final segment - v2:15
Then The HorizontalLength of the IfcAlignmentVerticalSegment must be 0
ALB015 Alignment business logic zero length final segment - v2:23
Then The HorizontalLength of the IfcAlignmentCantSegment must be 0
ALB015 Alignment business logic zero length final segment - v2:31
Then The SegmentLength of the segment must be 0
ALS015 Alignment representation zero length final segment - v3:20