Pset_SpaceOccupancyRequirementsDefinition from buildingSMART International: Properties concerning work activities occurring or expected to occur within one or a set of similar spatial structure elements.IfcSpace, IfcZone entity.IfcSpaceIfcZoneOccupancyTypeOccupancy type for this object. It is defined according to the presiding national building code.OccupancyNumberNumber of people required for the activity assigned to this space.OccupancyNumberPeakMaximal number of people required for the activity assigned to this space in peak time.OccupancyTimePerDayThe amount of time during the day that the activity is required within this space.AreaPerOccupantDesign occupancy loading for this type of usage assigned to this space.MinimumHeadroomHeadroom required for the activity assigned to this space.IsOutlookDesirableAn indication of whether the outlook is desirable (set TRUE) or not (set FALSE)