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Subchapter 7. General Industry Safety Orders
Group 13. Cranes and Other Hoisting Equipment
Article 92. Cranes (Except Boom-Type Mobile Cranes)

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§4900. Locking Device.

A locking device capable of holding the brake applied at 50 percent more than the maximum rated load shall be provided on each hand or foot operated hoisting motion brake unless a ratchet and pawl are provided on the drum. Such locking device shall either, require a separate motion of the hand or foot from that motion which applies the brake or other arrangement for application and release which will not distract the operator from his other activities of controlling the crane and load.

NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.


1. Amendment filed 2-13-75; effective thirtieth day thereafter (Register 75, No. 7).

2. New NOTE filed 8-29-86; effective thirtieth day thereafter (Register 86, No. 39).

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