Synthetic Sling

DOL-OSHA 29 CFR 1910.184 AND GUIDANCE ON SAFE SLING USE
 Make a thorough inspection of slings and attachments. Items to look for include:
• Missing or illegible sling identification.
• Acid or caustic burns.
• Melting or charring of any part of the sling.
• Holes, tears, cuts or snags.
• Broken or worn stitching in load bearing splices.
• Excessive abrasive wear.
• Knots in any part of the sling.
• Discoloration and brittle or stiff areas on any part of the sling.
• Pitted, corroded, cracked, bent, twisted, gouged or broken fittings.
• Other conditions that cause doubt as to continued use of a sling.Where any such damage or deterioration is present, remove the sling or attachment from service immediately.
ASME B30.9 REMOVAL FROM SERVICE CRITERIA
  1. Missing or illegible sling identification.
    Section 9-5.7.1 requires that each sling be marked to show the following:

    • name or trademark of the manufacturer
    • manufacturer’s code or stock number
    • rated load for at least one hitch type and the angle upon which it is based
    • type of synthetic material
    • number of legs, if more than one
  2. Acid or caustic burns.
  3. Melting or charring of any part of the sling.
  4. Holes, tears, cuts or snags.
  5. Broken or worn stitching in the load bearing splices.
  6. Excessive abrasive wear.
  7. Knots in any part of the sling.
  8. Discoloration and brittle or stiff areas on any part of the sling, which may mean chemical or ultraviolet/ sunlight damage.
  9. Fittings that are pitted, corroded, cracked, bent, twisted, gouged or broken.
  10. For hooks, removal criteria as stated in ASME B30.10
  11. For other applicable hardware, removal criteria as stated in ASME B30.26
  12. Other conditions, including visible damage, that cause doubt as to the continued use of the sling.
WEB SLING AND TIE DOWN ASSOCIATION REMOVAL FROM SERVICE CRITERIA
SYNTHETIC WEB SLING SAFETY BULLETIN (WSSB-1) 2010
 The entire web sling must be inspected regularly and it shall be removed from service if ANY of the following are detected:

  • If sling identification tag is missing or not readable.
  • Holes, tears, cuts, snags or embedded materials.
  • Broken or worn stitches in the load bearing splices.
  • Knots in any part of the sling webbing.
  • Acid or alkali burns.
  • Melting, charring or weld spatter on any part of the web sling.
  • Excessive abrasive wear or crushed webbing.
  • Signs of ultraviolet (UV) light degradation.
  • Distortion, excessive pitting, corrosion or other damage to fitting(s).
  • If provided, exposed red core yarn. However, if damage is present and red yarns are not exposed,
    DO NOT USE the sling.
  • Any conditions that cause doubt as to the strength of the web sling.
WEB SLING INSPECTION
Warning - Web Sling Inspection Notice If any damage such as the following is visible, the sling shall be removed from service immediately. Photos depict examples of sling damage, but note they are extreme examples provided for illustration purposes only.

 

Web Sling Wear Indications