At the end of this module, you will be able to:
- Identify aerial work platform types
- Describe requirements for equipment and controls
- List considerations that must be taken prior to operating an aerial work platform
- List safe work practices
- Recognize existing hazards of aerial work platforms
The following key questions are answered in this module:
What is an aerial work platform?
A temporary workspace that can be used as an alternative to ladders or scaffolding.
What are the common parts of an aerial work platform?
The chassis (or base), the boom, and the platform or basket.
What are some types of aerial work platforms?
Extensible boom platforms, aerial ladders, articulating boom platforms, and vertical towers.
What are some requirements regarding aerial work platforms?
The platform must have guardrails, intermediate rails, and toe-boards on all open sides, or must be enclosed up to 42 inches; guards must protect the worker from contact with the boom or elevating machinery; and signs or labels that indicate the safe working load limit and the safe operable wind speed limit be must posted.
How many sets of powered controls does an aerial work platform have?
Two-one on the platform and another on the chassis. The lower set of controls must be able to override the upper set, but only in emergencies or when the person being lifted gives permission.
What are some common causes of injuries and accidents?
Overturning, falling, collision, and electrical shock.
What are some safe work practices when working with aerial work platforms?
Obey the load limit; operate only when under the maximum safe wind speed; evaluate the ground for proper support capacity; place platform on safe grade that's less than maximum allowed incline; only use outriggers in fully extended position; ensure adequate clearance of buildings, structures, and power lines; never use aerial work platform as a crane or hoist.
Below is a transcript of the video sample provided for this module:
While working on an elevated platform, follow these safe work practices. Always wear a full body harness when occupying the platform or a basket. It must be attached with a lanyard to the basket or a platform in a manner that minimizes the fall distance. Do not tie off to nearby poles, structures, or equipment. Always stand firmly on the floor of the platform and wear ANSI approved footwear for good traction on the platform. Never step or stand on objects present on the platform floor. Do not lean over rails or sit on the railing. If there is a need to lean or reach the platform's position must be adjusted to allow a comfortable and safe working position.
Use the additional resources and links below to learn more about this topic:
- U.S. Department of Labor’s Occupational Safety & Health Administration (OSHA) – www.osha.gov
- OSHA Safety and Health Library – www.osha.gov/dte/library/
- OSHA Publications Fact Sheets - https://www.osha.gov/Publications/aerial-lifts-factsheet.pdf
- OSHA Publications Safety Tips - https://www.osha.gov/Publications/aerial_lifts_safety.html
- Scaffold & Access Industry Association (SAIA) - http://www.saiaonline.org/AerialWorkPlatform