15.D.05 Synthetic Fiber Rope Slings.
- Synthetic rope slings must be inspected by a CP for the following:
- Broken or cut fibers, either internally or externally;
A competent person must inspect rope slings.
- Cuts, gouges, abrasions; seriously or abnormally worn fibers;
- Powdered fiber or particles of broken fiber inside the rope between the strands;
- Variations in size or roundness of strands;
- Discoloration or rotting; weakened or brittle fibers;
- Excessive pitting or corrosion, or cracked, distorted, or broken fittings;
- Kinks;
- Melting or charring of the rope;
- Other visible damage that causes doubt as to the strength of the rope.
- Synthetic rope slings must not be used while frozen. When using synthetic rope slings in chemically active or excessively hot environments, consult with the sling manufacturer or Qualified Person (QP).
- Synthetic rope slings must be protected from abrasion by padding where it is fastened or drawn over square corners or sharp or rough surfaces.
- Do not allow synthetic rope slings to be used in contact with objects or at temperature in excess of 194ºF (90ºC) or below -40ºF (40ºC).
- Eye Splices. All splices must be made per the rope manufacturer or a QP and in accordance with ASME B30.9.
- Knots must not be used in lieu of eye splices.
Note: Some synthetic yarns do not retain their breaking strength during long term exposure above 140ºF (60ºC).
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15-7. When should synthetic fiber rope slings NEVER be used?
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