When can you use damaged or defective slings?
Never use a damaged or defective sling. OSHA (1910.184 and 1926.251) requires damaged or defective slings to be immediately removed from service. They may return only after being repaired, reconditioned, and proof-tested by the manufacturer or a qualified person.
The answer
You can never use a damaged or defective sling in its damaged condition. OSHA is unambiguous: under 29 CFR 1910.184 (general industry) and 29 CFR 1926.251 (construction), damaged or defective slings must be immediately removed from service. There is no allowable load, no "light job" exception, and no waiting until the end of a shift. The moment a defect is found, the sling comes out of use.
The only path back to service is repair and reconditioning followed by proof-testing. A sling that has been properly repaired by the sling manufacturer or an equivalent qualified entity, and then proof-tested to verify it can safely handle the load, may be returned to service. Until that happens, a defective sling must be tagged out or destroyed so no one can accidentally rig with it.
Why the other options are wrong
Common distractors on this quiz try to create false exceptions:
- "If the load is light enough" is wrong. A defect such as a broken wire cluster, a crushed fitting, or a cut in a synthetic web compromises the sling's integrity regardless of load. OSHA sets no reduced-load allowance for damaged slings.
- "If a supervisor approves it" is wrong. No supervisor can authorize the use of equipment OSHA requires to be removed from service. Authority does not override the standard.
- "After a quick visual patch or field repair" is wrong. Repairs must be done by the manufacturer or a qualified person and, critically, the sling must be proof-tested before returning to service. A field patch with tape or a knot is never acceptable.
- "At the end of the current lift" is wrong. Removal is immediate, not deferred.
The safe, correct answer is simply: never, until it has been properly repaired and proof-tested.
The bigger picture
OSHA requires inspections at two levels. A designated competent person must inspect each sling and its fittings before every use (each shift) and remove damaged ones. In addition, a periodic documented inspection must be conducted at least annually, and more often in severe service conditions, by a qualified person, with records kept.
Defects that require immediate removal from service vary by sling type but generally include: broken or worn stitching and cuts, holes, or abrasion on synthetic web slings; broken wires, kinking, crushing, birdcaging, or heat damage on wire rope slings; cracked, bent, or worn hooks and fittings; illegible or missing identification tags; and any acid or caustic burns, melting, or excessive wear. A missing or unreadable capacity tag alone is grounds for removal, because a rigger cannot verify the safe working load.
The underlying principle is that rigging failures are catastrophic and unforgiving. A dropped load can kill. That is why OSHA replaces judgment calls with a bright-line rule: if a sling is damaged or defective, it does not get used, period, until qualified repair and proof-testing prove it is safe again.
- 1
Inspect the sling before use
A competent person checks for cuts, broken wires, crushing, burns, worn fittings, and a legible capacity tag.
- 2
Any damage or defect found?
- 3
Remove from service immediately
- 4
Repair and proof-test
Frequently asked
How often must slings be inspected under OSHA?
A competent person must inspect each sling before every use (each shift). In addition, a periodic documented inspection by a qualified person is required at least annually, and more frequently in severe service conditions, with records maintained.
Who is a competent person for sling inspection?
A competent person is someone with the training and authority to identify sling hazards and defects and to take prompt corrective action, including removing a defective sling from service. OSHA requires this designated person to perform each-shift inspections.
What defects require a sling to be removed from service?
Removal is required for cuts, holes, worn or broken stitching, abrasion, and chemical burns on synthetic slings; broken wires, kinking, crushing, birdcaging, or heat damage on wire rope; cracked or bent fittings; and any missing or illegible identification tag.
Can damaged slings be repaired and reused?
Yes, but only if the sling is repaired and reconditioned by the manufacturer or an equivalent qualified person and then proof-tested to prove it can handle its rated load. Field patches, knots, or supervisor approval are never acceptable substitutes.
What is OSHA standard 1910.184?
29 CFR 1910.184 is OSHA's general-industry standard for slings. It sets requirements for safe use, rated capacities, inspection, and removal of damaged slings from service. The parallel construction standard is 29 CFR 1926.251.