Michigan Administrative Code
Department - Labor and Economic Opportunity
MIOSHA
General Industry and Construction Safety and Occupational Health Standards
General Industry Safety Standards
Part 18 - OVERHEAD AND GANTRY CRANES
CONSTRUCTION, INSTALLATION AND EQUIPMENT
Section R. 408.11825 - Hooks; load blocks
Universal Citation: MI Admin Code R. 408.11825
Current through Vol. 24-16, September 15, 2024
Rule 1825.
(1) A crane hook shall be discarded if either of the following provisions applies:
(a) The throat opening is more than 15%
greater than the manufactured size.
(b) The hook has more than a 10-degree twist
from a vertical center line drawn through the hook socket.
(2) A hook shall be equipped with a latch, unless the application makes the use of a latch impractical as determined by a qualified person. When required, a latch shall be provided to bridge the throat opening of the hook for the purpose of retaining slings, chains, or other equipment, under slack conditions.
(3) Load blocks shall be of the enclosed type and shall be guarded against rope jamming during normal operations.
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