Identify and categorize void spaces within an office.
Building opening
Building opening is one of the space usages in the space program: Void
A building opening is a courtyard opening to the floor below, usually enclosed by exterior building walls, this space is not accessible.
Floor opening
Floor opening is one of the space usages in the space program: Void
A floor opening is a stair/ atrium opening to the floor below, usually enclosed by interior walls or railings, this space is not accessible.
Shaft
Shaft is one of the space usages in the space program: Void
A shaft is an opening that penetrates through the level of a building for distributing building services. A shaft is typically concealed behind walls, they are non-accessible spaces, but occasionally they have inspection hatches.