Section 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.44 FR 8577, Feb. 9, 1979 , 75 FR 48135, Aug. 9, 2010; 77 FR 49730, Aug. 17, 2012; 78 FR 23843, Apr. 23, 2013