ALI A14.3 1984

American National Standard for fixed ladder safety requirements.

This 1984 ANSI standard establishes minimum requirements for the design, construction, installation, and use of fixed ladders. It covers cages, wells, ladder safety devices, pitch, loads, materials, clearances, terminations, protective finishes, and maintenance considerations for safe ladder systems.

Application Scope: Intended for fixed ladder installations in buildings, wells, shafts, and similar structures where standardized safety requirements are needed.