ASTM Standards:

ASTM International (ASTM) provides specific standards for the manufacturing, testing, and inspection of lifting slings. While they don’t dictate inspection frequencies, they provide guidelines for:

• Material specifications: Ensuring the use of appropriate materials for the intended load capacity.
• Manufacturing processes: Guaranteeing proper construction and assembly techniques.
• Performance testing: Verifying the sling’s strength, durability, and resistance to various factors.

WorkSafeBC Requirements:

WorkSafeBC, the British Columbia workplace safety authority, mandates regular inspection and maintenance of lifting equipment, including slings. The specific frequency of inspections may vary depending on factors like usage, environmental conditions, and manufacturer’s recommendations. However, general guidelines include:   

• Daily pre-use inspections: Visual checks for damage, wear, and defects.
• Periodic thorough inspections: More detailed examinations conducted by qualified personnel. This might include:
  • Checking for signs of wear, such as fraying, cuts, or burns.
  • Examining stitching and hardware for damage.
  • Verifying the sling’s identification markings, including the manufacturer’s name, WLL, and date of manufacture.
  • Conducting load tests, if necessary, to ensure the sling’s capacity
     
   

Key Inspection Points for Polyester Lifting Slings:

• General condition: Look for signs of wear, damage, or deterioration.
• Stitching: Check for loose threads, broken stitches, or damaged stitching.   
   
• Webbing: Inspect for cuts, tears, or excessive wear.
• Hardware: Examine hooks, rings, and other fittings for cracks, bending, or distortion.
• Identification markings: Verify that the sling is properly marked with its WLL and other relevant information.

Record Keeping:

WorkSafeBC requires employers to maintain records of inspections and maintenance. These records should include:   

• Date of inspection
• Inspector’s name and qualifications
• Findings of the inspection
• Any repairs or replacements made
• Date of the next scheduled inspection

By adhering to ASTM standards and WorkSafeBC regulations, businesses can ensure the safety and reliability of their lifting operations. Regular inspections and maintenance of lifting slings are essential to prevent accidents and protect workers.   

Note: Specific inspection requirements may vary depending on local regulations and industry standards. Always consult with local safety authorities and refer to the manufacturer’s guidelines for detailed inspection procedures.