Fall Protection
This is the minimum height for top rail when using guardrails as fall protection.
What is 39 inches?
A ladder must be provided within this distance of lateral travel in a trench.
What is 25 feet?
This individual monitors entrants and initiates emergency procedures.
What is an attendant?
This type of injury develops due to ergonomic stress.
What is a musculoskeletal disorder (MSD)?
Who is required to inspect scaffolds before each work shift?
What is a competent person?
Fall protection must be anchored to support this minimum capacity per employee.
What is 5,000 pounds?
Soil must be classified by a competent person using at least one visual and one of this method.
What is manual testing (thumb penetration, pocket penetrometer)?
A space is considered confined if it meets these three criteria.
What is large enough to enter, limited entry/exit, not designed for continuous occupancy?
This is the maximum recommended weight for a single-person lift under ideal conditions.
What is 50 pounds?
Per OSHA, fall protection is required on scaffolds at this height.
What is 10 feet?
The maximum allowable arresting force on an employee using a full-body harness.
What is 1,800 pounds?
This condition requires immediate removal of employees from an excavation.
What is water accumulation OR evidence of a potential cave-in?
A space becomes permit-required when it contains this potential, not just presence.
What is a potential hazardous atmosphere?
The earliest and most ignored sign of an ergonomic injury.
What is persistent discomfort or fatigue?
Scaffold footing must be capable of supporting this multiple of the intended load.
What is four times the maximum intended load?
A horizontal lifeline system must be designed, installed, and supervised by this role.
What is a qualified person?
The most common excavation-related OSHA citation.
What is lack of protective system?
A space with engulfment risk but no atmospheric hazard is classified as this.
What is a permit-required confined space?
This administrative control reduces ergonomic injury risk without changing tool
What is job rotation OR work-rest cycles?
The maximum allowable height-to-base ratio for a supported scaffold without restraint.
What is 4:1?
The maximum allowable free fall distance for a personal fall arrest system.
What is 6 feet?
A trench is defined as an excavation where the width at the bottom is this or less.
What is 15 feet?
A four gas meter measures these four atmospheric hazards.
What is Oxygen, Carbon Monoxide, Hydrogen Sulfide, and Combustible gasses (LEL)?
Name three ergonomic stress factors
Scaffolds over this height require a registered professional engineer unless using a listed design.
What is 125 feet?