Boom-mounted work platforms and aerial lift rules

NOTICE: This is an OSHA Archive Document, and may no longer represent OSHA Policy. It is presented here as historical content, for research and review purposes only.

May 23, 1989
Karl Brendal, P.E.
National Cooperative Refinery Association
[Recipient address omitted]
Dear Mr. Brendal
This is in response to your correspondence and subsequent phone conversations with members of my staff, concerning which standard(s) would apply to a personnel platform attached directly to a boom.
Your statement concerning the applicability of [29 CFR 1926.550(g)] and [1926.453] is correct; primarily because adding a work platform attached directly to the end of a boom changes the use of the crane to a personnel carrier. Therefore, all requirements of aerial lifts would apply. Also this change would be a modification after the effective date of the standard and the unit would be required to meet the applicable requirements of the American National Standards Institute for "Vehicle Mounted Elevating and Rotating Work Platforms," ANSI A92.2-1969. You are also correct in requiring for dual controls which are addressed in [29 CFR 1926.453].
We appreciate your interest in safety and health matters and in promoting the safe application of hoisting equipment. We also appreciate your desire to comply with all applicable standards. If we can provide additional information, feel free to contact our office.
Sincerely,
Gerald P. Reidy, Director
[Directorate of Construction]
[Corrected 6/2/2005]