RIG CH.4 Flashcards
When are splices used?
When a permanent eye or permanent joining of two ropes is desired.
What is the efficiency of an eye splice?
95%
What is the efficiency of a short splice?
90%
When should a short splice be avoided?
If the rope is to pass through a block
If a rope is to pass through a block and without heavy tension which splice is preferred?
Long Splice
What is the efficiency of the long splice?
80%
What is another name for an eye splice?
Side splice
How many full tucks does OSHA require for an eye splice?
4
What does an eye splice do?
Forms a permanent eye in the rope.
What does a short splice do?
Permanently joins two ropes.
What is another name for a short splice?
Butt splice
T or F: A rope with a short splice can pass through a pulley.
False
How many full tucks does OSHA require on a short splice?
Eight, four on each side of the centerline
What parameters do ropes under 1” dia. follow for a short splice?
Strand tails must project at least 6 rope diameters beyond last full tuck or, taper and add two additional full tucks.
What parameters do ropes larger than 1” dia. follow for a short splice?
Tails must project at least 6 inches, or tapered and tucked two additional full tucks.
