Exterior Stairs

Commercial Exterior Stairs and Fire Escapes

ND	Concrete Stairway
NE	Concrete and Steel Stairway
NA	Steel Stairway
NB	Wood Stairway
NDA	Concrete Stairway
NEA	Concrete and Steel Stairway
NAA	Steel Stairway
NBA	Wood Stairway
NCA	Fire Escape
NCB	Fire Escape, Additional Flights

VAQ	Cement Composition, Iron Rails
VAP	Cement Composition, Wood Rails
VAR	Steel, Ornamental Iron Rails
VAO	Wood, Iron Rails
VAN	Wood, Wood Rails
VAS	Finished Soffit (ADD; Number of Flights)