Archive Notice - OSHA Archive

NOTICE: This is an OSHA Archive Document, and may no longer represent OSHA Policy. It is presented here as historical content, for research and review purposes only.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at

January 31, 1984

G.W. (Buddy) Riedmueller,
Director of Safety,
Personnel & Training
Nabholz Construction Corporation
Post Office Box 756
612 Garland Street
Conway, Arkansas 72032

Dear Mr. Riedmueller:

This is in response to your letter of December 21, 1983, concerning the prelift plans required in OSHA Instruction STD 1-11.2B.

Cranes may be used to hoist and suspend employees on a work platform or to provide access and egress in unique work situations when such action results in the least hazardous exposure to employees. Prelift plans which show boom angle and maximum intended load shall be prepared for each group of lifts to ensure that employers meet the applicable requirements of the subject instruction. The manufacturers rated capacity of the crane at the radius at which the lift will be made shall be divided by four before hoisting employees. The above mentioned limits shall not be exceeded and shall be recorded. It is not necessary for the employer to physically depict or sketch on paper how a lift appears, but to record information which ensure the safety of exposed employees.

OSHA Instruction STD 1-11.2B does not address the use of safety belts and lanyards when using such platforms. However, employers may use such equipment safety as an extra precaution.

If we can be of further assistance, please let us know.


John B. Miles Jr., Director
Directorate of Field Operations