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.
References in periodicals archive ?
Before selecting a small, child-sized toilet for your home, determine what rough in plumbing is in place, to do this, measure from the back wall to the center of the floor hole. Rough in can range from 10 to 16 inches but the typical rough in is about 12 inches from wall to hole center.
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.
In their sole collaboration in this show, Kitchen Sink, 2008, Smith and Navarro arrange scores of cabinet fragments of various heights, all low to the ground and placed around a "floor hole"--a lightbulblined wooden box, the floor and top of which are mirrors (the latter one-way) that together give the illusion of infinite space.
According to 29CFRI910.23 (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.