Historical
ANSI/SIA A92.9-1993
Mast-Climbing Work Platforms
This standard applies to Mast-Climbing Work Platforms that are primarily used to position personnel, along with their necessary tools and materials to perform their work. Platforms may be adjustable by manual or powered means. The standard includes drawings showing examples of A92.9 Mast-Climbing Work Platforms.
Content Provider
Scaffold Industry Association [sia]