Fall protection Chapter 1

Positioning strap must attach to what and must have what type of snaps?

D-rings & double locking

Self retracting lifelines consist of a ____________ with a _____________ on a__________________ wheel.

Drum, steel cable, and spring loaded

Vertical lifelines can be fixed to _______________ or temporarily installed at work ______________.

Fixed to Towers, work locations.

Fall arrest systems consist of three components:

Harness, lifelines/lanyards and anchorages.

What are the three types of lifelines?

Horizontal, vertical, and retractable.

How are lifelines used?

In a horizontal or vertical configuration and used with a lanyard.

Fall arrest systems should be rigged in what way?

In a way that an employee cannot freefall more than 6 feet nor contact any lower level.

A fall arrest system:

Is a system that arrests an employee in a fall from a working level and minimizes arresting forces.

What is swing fall?

It is a situation in which the fall protection is anchored in a position that keeps the employee from falling to the ground, but swings the employee into the part of the structure in which the lanyard or lifeline is attached.

In a suspended situation what is advise that you do when you were hanging in your fall arrest system?

Keep the legs moving to promote the flow of oxygenated blood throughout the legs.

Define lanyard

Lanyards are made of synthetic materials and connect between the body harness and an Anchorage.

Back saver body belts offer additional support when ______ and ________ on a pole.

Leaning and twisting

What are lifelines made out of?

Lifelines are made of synthetic or wire rope.

Most manufacturers have three different types of belt's in regards to mobility what are they?

Non-floating, semi floating and full floating belts

Define Suspension trauma

Occurs when an employee has fallen into his or her body harness and has been suspended for some time.

How many employees are allowed on a vertical line?

Only (1)

What happens to an employee when they are suspended for to long?

-cut off circulation to the legs. -the employee can potentially lose consciousness and risk death.

At how many feet will most self retracting lifeline's lock up?

1 foot of free fall

Since OSHA mandated fall protection for all employees, the industry adopted what two things?

100% attachment and pole choking devices

Body harnesses must limit the maximum arresting force on an employee to how many lbs?

1800 lbs

What are OSHA's allowing regulations of falling and what tensile load must it withstand in regards to the self retracting lifeline?

2 feet, and 3000 lbs

Anchor points used for the attachment of a personal fall arrest system must be capable of supporting at least ______________ pounds per employee or withstand ______________ the potential impact load of an employee's fall.

5,000 and twice

the freefall distance can never exceed how many feet?

6' or 6 feet

Body harnesses must be constructed to meet what standards?

ANSI Z3591. This ensures that OSHA's 1800 pound maximum arresting force requirement is met.

Only qualified climbers can use the positioning device systems to?

Ascend, descend, or change locations on a pole or towers.

The super squeeze is it wood pole fall protection device that provides protection during what?

Ascent and descent

Where does OSHA mandate that the D ring is positioned?

At the center of the back near shoulder level.

Positioning Device systems in the power delivery industry Consist of two main components:

Body belt and positioning strap

Two types of fall protection are used in the power delivery industry:

Fall arrest, and postioning device sytems.

As of April 1, 2015 OSHA changed the that all employees must climb on a pole or tower with what?

Fall protection

Qualified climbers are those who have been trained through a formalized training program such as?

Pre-apprentice line school or company sponsored training program

Positioning Straps should be removed from service when what is visible?

Red insert

Positioning straps are also known as what to things?

Scare or skid strap

Self retracting lifeline have a similar design to what?

Seatbelt

What lanyard is more effective for a person falling only 5 feet, a straight or a shock absorbing?

Shock absorbing, 175 pound person falling for 5 feet with a straight lanyard subject to 3200 pounds, whereas a shock absorbing lanyard is only 440 pounds of force. Which is 86.5% of a difference.

It is critical to use a body belt that is made of the approved materials. In order for it to be correct it must consist of what three proper attributes?

Size, type and style

Lifelines should be attached in such a way better reduces the intensity of what?

Swing in the event of a fall.

Why is the D measurement critical?

The D measurement is critical because if the D rings ride to far back ride on the hips, Severe discomfort will occur due to pinching pain

What product is miller fall protection producing to aid an employee from suspension trauma?

The Relief step safety device.

How are body belt sized? And what is it referred to?

The distance between the hipbone measured around the buttocks. This measurement is referred to as the D Measurement.

Which style belt is the most desirable of the three, and why?

The full floating type is the most desirable because it allows 4 inches out of lateral movement without repositioning the strap.

Positioning device systems are designed to do what?

To allow an employee on a vertical surface to work free while leaning with both hands

What is the main objective of a personal fall arrest system?

To reduce the amount of arresting force on the employee when subjected to fall

The rope grab allows them employee travels _____________ but locks when the employee travels _____________.

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