The space 2 / Geometry

Glazing 
(single)
approx 1,300 s.f., north and south
Staircase approx. 750 cf.±25%, concrete
East wall concrete with fire doors, heated space on other side
West wall concrete with brick veneer, outside wall
Spaces 
under doors
approx 1 s.f.; the height is roughly 1/3" and the door is 3' wide.
Doors Three four-hour metal (steel?) fire doors; one glazed outside door.