29 CFR 1926.858 - Removal of steel construction.
(a) When floor arches have been removed, planking in accordance with § 1926.855(b) shall be provided for the workers engaged in razing the steel framing.
(b) Cranes, derricks, and other hoisting equipment. Employers must meet the requirements specified in subparts N and CC of this part.
(c) Steel construction shall be dismantled column length by column length, and tier by tier (columns may be in two-story lengths).
(d) Any structural member being dismembered shall not be overstressed.