rigging Flashcards
a positioning device system is also known as
work positioning equipment
what are some of the pole hazards to look for?
stakes or sticks at bottom of pole, wood pecker holes, lightning, fire, rotting, mold, car hits pole
what are three things you should consider with pole hazards?
- ) verify condition before you begin work
- ) verify condition of adjacent poles
- ) be sensitive to your rigging techniques
what is a qualified climber?
someone who has been trained and demonstrated proficiency in climbing and proper use of fall protection
positioning straps can also be known as?
a scare strap or a skid
when should positioning straps be removed from service?
when red insert is visable which is caused by abrasion over time
since osha mandated fall protection for all employees, our industry has adopted what?
100% attachment and pole choking devices
what is the deceleration distance for personal fall arrest systems?
3.5 feet
how strong must the anchorage be for a personal fall arrest system?
5,000 pounds or twice the impact load of employees fall
at what distance above ground must we use fall protection? (on poles, towers, and similiar structures)
4 feet or higher
what is maximum free fall distance for positioning device systems?
2 feet
what is the strength requirement for anchorage on positioning device systems?
3,000 pounds or twice the impact load of employee fall
what is the maximum combined tool and body weight for your body belt and your climbers?
350 pounds
what is the maximum combined tool and body weight for your personal fall arrest system?
310 pounds
what is a fall arrest system?
a system that arrests an employee in a fall from a working level and minimizes arresting forces
what are the 3 components for a personal fall arrest system?
anchorage, harness and lanyard
with fall arrest systems they must be rigged so you cant fall more than?
6 feet or the next level floor
per osha requirements what is the maximum arresting force for a body harness? where should the d ring be placed?
1,800 pound resting force and centered between the shoulder blades
what occurs when an employee has fallen into his or her body harness and has been suspended there for some time?
suspension trauma
what is the main objective of a personal fall arrest system?
to reduce the amount of arresting force on the employee when subjected to a fall
lifelines can be?
horizontal and vertical
for vertical lifelines how many employees can be attached at a time?
1
osha requires that the anchor point used for the attachment of a personal fall arrest system must support what?
at least 5,000 pounds per employee or twice the impact load of the fall
what 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 part of the structure in which the lifeline or lanyard is attached?
swing fall
