This Practice provides the fabricator and erector with a standard fixed industrial stair design to be used in process industry facilities. It also provides process industry companies with design guide information to be used in specifying and designing fixed industrial stairs.

Design details for fabrication and installation of typical OSHA-regulated stairs for open structures and miscellaneous platforms for regular operational access/egress are included. Details comply with NFPA 101 – Life Safety Code for Industrial Occupancies. These details are intended to be issued to fabricators supplying stairs and to erectors for use in stair installation.