Designated Areas
Roof holes must be covered.
When the employer uses a designated area, the employer must ensure:
- Employees remain within the designated area while work operations are underway; and
- The perimeter of the designated area is delineated with a warning line consisting of a rope, wire, tape, or chain that meets the requirements of this section.
Each warning line must have a minimum breaking strength of 200 pounds (0.89 kN). The lowest point of the line must not be less than 34 inches (86 cm) and not more than 39 inches (99 cm) above the walking-working surface. The warning line must be erected not less than:
- 6 feet (1.8 m) from the roof edge for work that is both temporary and infrequent,
- 10 feet (3 m) from the perpendicular unprotected edge from mobile mechanical equipment, or
- 15 feet (4.6 m) for other work.
The warning line must be clearly visible from a distance of 25 feet (7.6 m) away, and anywhere within the designated area.
Covers
The employer must ensure each cover for a hole in a walking-working surface:
- Is capable of supporting without failure, at least twice the maximum intended load that may be imposed on the cover at any one time; and
- Is secured to prevent accidental displacement.
Knowledge Check Choose the best answer for the question.
2-6. How far from a perpendicular unprotected edge must you place a warning line when operating mobile mechanical equipment?
You forgot to answer the question!