Pset_PrecastSlab Layout and component information defining how prestressed slab components are laid out in a precast slab assembly. The values are global defaults for the slab as a whole, but can be overridden by local placements of the individual com IfcSlab IfcSlab TypeDesignator Type designator for the precast concrete slab, expressing mainly the component type. Possible values are “Hollow-core”, “Double-tee”, “Flat plank”, etc. Type Designator ToppingType Defines if a topping is applied and what kind. Values are “Full topping”, “Perimeter Wash”, “None” Topping Type EdgeDistanceToFirstAxis The distance from the left (‘West’) edge of the slab (in the direction of span of the components) to the axis of the first component. Edge Distance To First Axis DistanceBetweenComponentAxes The distance between the axes of the components, measured along the ‘South’ edge of the slab. Distance Between Component Axes AngleToFirstAxis The angle of rotation of the axis of the first component relative to the ‘West’ edge of the slab. Angle To First Axis AngleBetweenComponentAxes The angle between the axes of each pair of components. Angle Between Component Axes NominalThickness The nominal overall thickness of the slab. Nominal Thickness NominalToppingThickness The nominal thickness of the topping. Nominal Topping Thickness