OSHA Handbook for Small Businesses

Floor and Wall Openings

Floor and Wall Openings

  • Are floor openings guarded by a cover, a guardrail, or equivalent on all sides (except at entrance to stairways or ladders)?
  • Are toeboards installed around the edges of permanent floor opening (where persons may pass below the opening)?
  • Are skylight screens of such construction and mounting that they will withstand a load of at least 200 pounds (90 kilograms)?
  • Is the glass in the windows, doors, glass walls, etc., which are subject to human impact, of sufficient thickness and type for the condition of use?
  • Are grates or similar type covers over floor openings such as floor drains of such design that foot traffic or rolling equipment will not be affected by the grate spacing?
  • Are unused portions of service pits and pits not actually in use either covered or protected by guardrails or equivalent?
  • Are manhole covers, trench covers and similar covers, plus their supports designed to carry a truck rear axle load of at least 20,000 pounds ( 9000 kilograms) when located in roadways and subject to vehicle traffic?
  • Are floor or wall openings in fire resistive construction provided with doors or covers compatible with the fire rating of the structure and provided with a self-closing feature when appropriate?