floor hole

floor hole

According to OSHA: any opening measuring less than 12 in. (30.5 cm) but more than 1 in. (2.5 cm) in its least dimension in any floor, roof, or platform through which materials but not persons may fall, such as a belt hold, pipe opening, or slot opening.
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References in periodicals archive ?
Other violations include failing to ensure workers use harnesses with retrieval lines attached; address unsafe catwalks; correct an unguarded floor hole in the silo catwalk; and, use flexible electrical cords properly.
23 (a) (8), "Every floor hole into which persons can accidentally walk shall be guarded by either a standard railing with standard toe-board on all exposed sides, or a floor-hole cover of standard strength and construction.
For the first time in at least 12 years, rates of observed instances of heating equipment breakdowns, additional heating required, presence of mice or rats, cracks and holes in interior walls and ceilings, floor holes, broken plaster, and peeling paint and water leakage were all higher at NYCHA than in rent-stabilized, market rate rental and owner-occupied housing units.
Department of Labors Occupational Safety and Health Administration issued five serious violations related to fall hazards, unguarded floor holes and electrical equipment not approved for locations containing accumulations of combustible coal dust.