§ 1926.1405. Disassembly---additional requirements for dismantling of booms and jibs (applies to both the use of manufacturer procedures and employer procedures).
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/us/cfr/t29/s§ 1926.1405·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
Dismantling (including dismantling for changing the length of) booms and jibs.
(a)None of the pins in the pendants are to be removed (partly or completely) when the pendants are in tension.
(b)None of the pins (top or bottom) on boom sections located between the pendant attachment points and the crane/derrick body are to be removed (partly or completely) when the pendants are in tension.
(c)None of the pins (top or bottom) on boom sections located between the uppermost boom section and the crane/derrick body are to be removed (partly or completely) when the boom is being supported by the uppermost boom section resting on the ground (or other support).
(d)None of the top pins on boom sections located on the cantilevered portion of the boom being removed (the portion being removed ahead of the pendant attachment points) are to be removed (partly or completely) until the cantilevered section to be removed is fully supported.