This level incorporates a two-story library and mezzanine. All of this overlooks a central atrium space that connects three of the upper levels. There is an existing large skylight. This central atrium volume has staircases that connect each level. The staircases are steel with antique Heart Pine timber treads. On the upper level, the floors are all antique Heart Pine. Greg Boudouin, Interiors Alyssa Rosenheck: Photos