STAIRCASE

UF Stairway
SN A flight of steps leading from one level to another.
CL BUILDING COMPONENT
NT BACK STAIRCASE
DOGLEG STAIRCASE
ESCALATOR
EXTERNAL STAIRCASE
IMPERIAL STAIRCASE
NEWEL POST
NEWEL STAIRCASE
NIGHT STAIR
OPEN WELL STAIRCASE
SERVICE STAIRCASE
SPIRAL STAIRCASE
WINDER STAIRCASE
RT LANDING
RISER