Top Bound

Sets the vertical reference that determines the top of the stair.

The Layer Wall Height value is set by the design layer (see Setting Design Layer Properties).

Alternatively, the top of the stair can be bound by one of the story levels defined for the story or the story above it. By setting the top of the stair to a level type, if the elevation of the associated story changes, the height of the stair changes automatically to match.

Top Offset

Sets the offset of the top of the stair from its specified top bound height

Bottom Bound

Sets the vertical reference that determines the bottom of the stair.

Alternatively, the bottom of the stair can be bound by one of the story levels defined for the story or the story below it. By setting the bottom of the stair to a level type, if the elevation of the associated story changes, the height of the stair changes automatically to match.

Bottom Offset

For the bottom of the stair, sets the offset from its specified bottom bound height

Upper Layer

If an upper floor representation of the stair is enabled, specify the layer to display the representation.

Settings

Opens the Stair Settings dialog box, to edit all of the stair parameters