6′ intervals.
Flagging must be present at a minimum of 6′ intervals with high-visibility material. Must have a smooth surface so an employee does not sustain a puncture, laceration, or possibly snag their clothing. The system is properly spliced or terminated at walls, columns and posts.
What is the OSHA standard for guardrails?
OSHA states that guardrail must reach a height of 42 inches, plus or minus 3 inches, above the walking-working surface and withstand a force of 200 pounds at any point in a downward or outward direction. If the railing dips below 39 inches, due to the force, the railing is not OSHA compliant.
What are the requirements for perimeter safety cables?
The standard requires perimeter columns to extend 48 inches above the finished floor “to permit installation of perimeter safety cables prior to erection of the next tier…” Since there is no “next tier” once the final tier has been erected, the language of the provision indicates that the requirement does not apply
How many feet should warning lines be flagged?
The warning line must be marked at least every 6 feet with high-visibility material and remain between 34”-39” from walking or working spaces.
Where are perimeter safety cables required on multi story structures?
On multi-story structures, perimeter safety cables shall be installed at the final interior and exterior perimeters of the floors as soon as the metal decking has been installed.
What are the requirements for guardrail systems?
Guardrail systems are capable of withstanding, without failure, a force of at least 200 pounds (890 N) applied in a downward or outward direction within 2 inches (5 cm) of the top edge, at any point along the top rail.
When should guardrails be used?
When do you use guardrails? Install a guardrail if the fall hazard or working at heights cannot be eliminated. Guardrails should be used when a worker could have access to the unprotected edge of any of the following work surfaces and is exposed to a fall from a height or between levels.
When wire rope is used as a guardrail system it must be?
Guardrail Systems
If wire rope is used for toprails, it must be flagged at not more than 6 feet intervals (1.8 meters) with high-visibility material.
What is the maximum deflection allowed on the top wire rope of a wire rope guardrail system?
(2) The wire rope shall be free of sharp edges, burrs, or projections which may be a hazard. (3) The maximum deflection of the top rail when a load of 200 pounds is applied in any direction at any point on the top rail shall not exceed 3 inches in one direction which includes the free hanging sag in the wire rope.
What is the minimum top height of an unenclosed perimeter protection wire rope cable?
39 to 45 inches
The top of the toprail shall be located at a height of 39 to 45 inches (991 and 1143 mm) above the floor.
What is an OSHA warning line?
Section 1926.501 defines a warning line as: * * a barrier erected on a roof to warn employees that they are approaching an unprotected roof side or edge, and which designates an area in which roofing work may take place without the use of guardrail, body belt, or safety net systems to protect employees in the area.
How much should a positioning device support?
Criteria for positioning device systems. Restraint (tether) lines shall have a minimum breaking strength of 3,000 pounds (13.34 Kn). All other positioning device systems shall be capable of withstanding without failure a drop test consisting of a 4 foot (1.22 m) drop of a 250-pound (113.4 kg) weight.
How much weight should a hole cover support?
(1) Barriers shall be of such construction and mounting that, when in place at the opening, the barrier is capable of withstanding a load of at least 200 pounds applied in any direction (except upward).
What are the exemptions to the steel erection standards?
§ 1926.760(a)(1) of the final rule requires that, with some exceptions, each employee engaged in steel erection be protected from falls when working on a surface more than 15 feet above a lower level. This includes workers engaged in bolt-up activities.
When must crane inspections take place OSHA?
OSHA regulations only require that such equipment be inspected during initial use and annually thereafter by a “competent person”, or by a government or private agency recognized by the U.S. Department of Labor. The owner must, also, maintain a record of these inspections.
What is the required safety factor for components of a multiple lift rigging assembly?
Multiple lift rigging procedure.
This capacity, certified by the manufacturer or a qualified rigger, shall be based on the manufacturer’s specifications with a 5 to 1 safety factor for all components.
When force is applied to guardrails in the downward direction the top rail must not deflect less than?
(1) When the 200 pound test load is applied in a downward direction, the top edge of the guardrail shall not deflect to a height less than 39 inches above the walking/working level.
Which of the following requirements is true for guardrail systems quizlet?
Guardrail systems must be capable of withstanding a force of at least 200 pounds applied within 2 inches of the top edge. For a guardrail, the top edge height of the top rail must be 42 inches plus or minus 3 inches above the working level. Safety net systems must be no more than 30 feet below the working surface.
When must open sided floor or platforms be guarded by a standard railing?
6 feet
29 CFR 1926.500(d)(1) requires every opensided floor or platform 6 feet or more above the adjacent floor or ground level to be guarded by a standard railing or the equivalent on all open sides, except where there is an entrance to a ramp, stairway, or fixed ladder.
When using a safety monitoring system the monitor must be?
The monitor must have authorization to take prompt corrective measures to eliminate the hazardous conditions. The monitor must be on the same roof as and be able to visibly observe all other employees for whom he/she is responsible and must also be close enough to verbally communicate with the employees.
Where should guardrails be installed?
Look for areas with high personnel traffic.
These are typically around entrance and exit doors, stairways, restrooms, and walkways. Any location within a facility where people are most likely to be or congregate — and should be segregated from vehicle or equipment traffic — is an optimal place to install a guardrail.
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