Floor Openings and Pits


Unprotected holes in the floor, deck, or roof can cause serious injuries. With planning and personal attention, falls through openings under foot are very easy to prevent.

  1. If you make a hole, guard it. Before cutting the hole, barricade the work area to keep people
  2. If the hole must be open, install permanent barricades around the Like railings around the edge of a building or stairwell, these should be a minimum of forty-two inches high, have a mid-rail and be able to withstand a 200-pound load. Toe boards are recommended at all times, and are required if anyone is going to work under the hole.
  3. If the hole is not guarded, it must be covered. The cover should:
    • be able to support at least a 200-pound load,
    • be larger than the opening,
    • be secured against displacement, and
    • be labeled “Floor Opening, Do Not Remove”.
  4. If you have a choice, make a round opening and cover. An oversized round cover cannot fall through a smaller round
  5. Never cover a hole with any type of non-substantial material such as paper, cardboard or
  6. If you find a hole, immediately barricade it or post someone to warn others of the danger, and notify your supervisor. Even shallow holes can cause serious
  7. Plastic skylights and smoke vents are very You should never stand or sit on a skylight. They are not made to support your weight. If you do sit or stand on one, odds are it will break and you will fall. If installing skylights, protect the openings as described above, until installation is complete.

The danger is very real. The control is very simple. This is a hazard that should never be allowed to exist.