Fall Protection
How many employees are allowed per vertical Lifeline?
One.
Two types of Lanyards
1) Straight Lanyard 2) Shock Absorbing Lanyard
Types of Lifelines
1)Horizontal 2)Vertical 3) Retractable
What is the maximum arresting force allowed on an employee?
1,800 pounds
What type of floating body belts are made?
1) Non-float 2) Semi-floating 3) Full-floating
Positioning device systems consist of what two main components?
1) Body Belt 2) Positioning strap
Two main types of fall protection systems.
1) Fall arrest 2) Positioning device
A fall arrest system consists of
1) Harness 2) Lifelines/Lanyards 3) Anchorages
What is the maximum amount of fall that is allowed by OSHA regarding a self-retracting lifeline
2 Feet
What is the minimum Tensil load fo a self-retracting lifeline?
3,000 pounds
What is the maximum allowable distance for deceleration devices to expand?
3.5 feet.
What is the maximum combined weight of an employee and tools before a modification is required to fall protection devices?
310 pounds.
What is the maximum distance an employee may free fall when using a fall arrest system?
6 feet, nor contact any lower level.
What is the maximum allowed arresting force allowed for an employee when using a body belt?
900 pounds.
What does a self-retracting lifeline consist of?
A drum with a steel cable that winds a spring loaded wheel. It is designed to work like a seat belt and lock almost immediately after a fall.
What piece of equipment is required when using a vertical Lifeline?
A rope grab that allows the worker to move up freely but locks when moved down.
What is a positioning strap?
A strap attached to the D-rings of the climbing belt and must have double locking snaps.
What are Lanyards made of and how are they used?
A synthetic material and they should be connected between the body harness and an anchorage.
What is a fall arrest system
A system that arrests an employee in a fall from a working level and minimizes arresting forces.
Number of fall fatalities each year for power delivery workers
About 30
What is the minimum load that an anchor must support?
An anchor must support at least 5,000 lbs per employee or withstand twice the potential impact load of an employees fall.
What is a relief step safety device?
An attachment that the fallen employee can use to relieve the stress at the pinch points of the harness at the legs to allow oxygenated blood to flow throughout the body.
Where must the D-ring on the back of the harness be located?
At the center of an employees back, near the shoulder level.
What are Lifelines made of?
Either Synthetic or wire rope.
What can a positioning strap be made of?
Either leather or neoprene coated nylon and both types must have a read nylon insert.
Do positioning straps provide an adequate means of anchorage?
No, unless the worker secures it above an object that meets the requirements for a positioning device system.
Arresting force.
The amount of force that a fall protection system and the person attached to the system will experience as generated by the deceleration device.
Which type of Lanyard creates the least amount of arresting force?
The shock Absorbing Lanyard
How much extra movement is given when using a full float body belt?
Up to 4 inches
When does Suspension trauma occur?
When an employee has fallen into his or her body harness and has been suspended other for some time, cutting off blood flow to the legs at the pinch point. Potentially causing the person to pass out.
What is Swing fall?
When the lifeline is anchored in a position that keeps the employee from falling to the ground, but swings the employee towards the anchor point.
When is a positioning strap out of service?
When the red nylon insert is visible.
Fall Arrest system is used when?
When working from a horizontal surface (bucket truck)
Positioning Device system is used when?
When working from a vertical surface (pole, tower, etc)
When must a fall protection system be used?
When working or climbing more than four feet above ground.
