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• Standard Number: 1910.179(e)(2); 1910.179(e)(3)

October 23, 1975 

MEMORANDUM FOR AREA DIRECTORS

SUBJECT:        Crane Speeds
Title 29 CFR 1910.179(e)(2) and (e)(3) states, among things, that bumpers or equivalent are required on crane bridges and trolleys unless operated at a "slow" rate of speed. "Slow" is not defined in the standard.

Guidance for determination of "slow" can be found in the attached table of suggested operating speeds -- published by Crane Manufacturers Association of America.



David H. Rhone
Assistant Regional Director
for Occupational Safety and Health

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