RIGGING QUESTIONS AND ANSWERS
According to OSHA, what conditions require synthetic fiber rope to be removed from
service? - Answers- It must be removed from service if there are signs of abnormal
wear, powdered fibers between the strands, broken or cut fibers, variation in size or
roundness of strands.
One major manufacturer lists their 1/2" three strand rope as having a catalog breaking
strength of 5600 lbs. Using the industry standard design factor, determine the working
load limit. - Answers- 5600/5 = 1120lbs working load limit
Which knot is often called the king of knots? - Answers- The Bowline. It is easily untied
after supporting a heavy load.
What are OSHA's requirements for inspecting wire rope? - Answers- They
Which of the following splices is not rated for efficiency?
a. eye splice
b. short splice
c. back splice - Answers- c. Back splices prevent the ends of a rope from fraying and
therefore has no efficiency rating
According to the text, which of the rigging configurations is used for setting poles? -
Answers- Choker
The name tag of a sling reads "EE2-802". What does it mean? - Answers- EE refers to
eye and eye, 2 refers to the number of plys, 8 is the grade of material, 02 is the width in
inches.
What is the insulation rating of a web sling? - Answers- Synthetic web slings are non-
conductive but are not considered insulated
Explain how to protect slings and ropes from sharp corners or edges. - Answers- Sharp
edges or corners should be covered or padded before using a sling or rope
What is the most common use for type "CO" chain sling in the power delivery industry?
What does "CO" stand for? - Answers- They are commonly used for setting poles. C
stands for choker, O stands for oblong master link on the ends
What is the minimum grade of chain required for hoisting, or lifting or rigging? -
Answers- Must be a minimum Grade 80 Alloy.
What type of shackle is to be used for attaching insulators to structures, and never for
rigging? - Answers- Material shackles
According to OSHA, what conditions require synthetic fiber rope to be removed from
service? - Answers- It must be removed from service if there are signs of abnormal
wear, powdered fibers between the strands, broken or cut fibers, variation in size or
roundness of strands.
One major manufacturer lists their 1/2" three strand rope as having a catalog breaking
strength of 5600 lbs. Using the industry standard design factor, determine the working
load limit. - Answers- 5600/5 = 1120lbs working load limit
Which knot is often called the king of knots? - Answers- The Bowline. It is easily untied
after supporting a heavy load.
What are OSHA's requirements for inspecting wire rope? - Answers- They
Which of the following splices is not rated for efficiency?
a. eye splice
b. short splice
c. back splice - Answers- c. Back splices prevent the ends of a rope from fraying and
therefore has no efficiency rating
According to the text, which of the rigging configurations is used for setting poles? -
Answers- Choker
The name tag of a sling reads "EE2-802". What does it mean? - Answers- EE refers to
eye and eye, 2 refers to the number of plys, 8 is the grade of material, 02 is the width in
inches.
What is the insulation rating of a web sling? - Answers- Synthetic web slings are non-
conductive but are not considered insulated
Explain how to protect slings and ropes from sharp corners or edges. - Answers- Sharp
edges or corners should be covered or padded before using a sling or rope
What is the most common use for type "CO" chain sling in the power delivery industry?
What does "CO" stand for? - Answers- They are commonly used for setting poles. C
stands for choker, O stands for oblong master link on the ends
What is the minimum grade of chain required for hoisting, or lifting or rigging? -
Answers- Must be a minimum Grade 80 Alloy.
What type of shackle is to be used for attaching insulators to structures, and never for
rigging? - Answers- Material shackles
