scope:

This standard prescribes rules governing the safe construction, design, testing, care, and use of portable reinforced plastic ladders of various types including, but not limited to, step stools, portable extension, step, trestle, sectional, combination, single, and platform ladders, but excluding ladders in and on mines, the fire services, mobile equipment, hoisting equipment, work platforms, antenna communications towers, transmission towers, utility poles, and chimneys. It does not cover special-purpose ladders that do not meet the general requirements of this standard, nor does it cover ladder accessories including, but not limited to, ladder levelers, ladder stabilizers or stand-off devices, ladder jacks, or ladder straps or hooks, that may be installed on or used in conjunction with ladders.

This standard also prescribes rules and minimum requirements for labeling of the common types of portable stepladders, extension ladders, and single ladders, in order to ensure safety under normal conditions of usage. It does not cover stools (ladder type), platform ladders, trestle ladders, extension trestle ladders, and combination ladders, nor does it apply where training, supervision, or established safety procedures are in conflict with or serve in lieu of this standard.

intended Use: