Pset_ShiplockComplex Properties common to the definition of occurrences of _IfcMarineFacility_ with the predefined type set to SHIPLOCK, where the facility represents a complex of multiple shiplocks. IfcMarineFacility/SHIPLOCK IfcMarineFacility/SHIPLOCK LockGrade Operational grading of the ship lock complex LockLines Number of Parallel lock series LockChamberLevels Number of steps (chambers) in a lock line LockMode Type of lock system used.