1926.1402 – Ground nditions. Occupational Safety and Definitions . 1926.1402 (a) (1) “Ground nditions” means the ability of the ground to support the equipment (including slope, mpaction, and firmness). 1926.1402 (a) (2) “Supporting materials” means blocit, mats, cribbing, marsh buggies (in marshes/wetlands), or similar supporting materials or devices. 1926.1402 (b) small
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