§ 4971. Brakes.

Latest version.

(a) The braking system shall perform the following functions:
(1) Arrest and hold the load promptly when controls are released with loads up to 125 percent of rated capacity.
(2) Limit the speed of load during lowering to a maximum of 120 percent of rated lowering speed.
(b) Holding brakes on hoists shall have ample thermal capacity for the frequency of operation required by the service.
(c) The braking system shall have provision for adjustments where necessary to compensate for wear.
(d) Where the prime mover is an electric motor, a self-setting electric motor brake, or other self-setting brake, shall be provided to prevent drum rotation in the event of power failure.
(e) The hoist shall be so designed that, when the actuating force is removed, it will automatically stop and hold any load up to 125 percent of the rated load.

HISTORY

1. Amendment of subsections (a)(1), (b) and (d) filed 5-1-87; operative 5-31-87 (Register 87, No. 19).

Note

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

                    
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