Rigging Inspection Checklist

A rigging inspection checklist is one of the highest-value controls you can implement before a lift. Most serious incidents are not caused by a single dramatic failure. They come from small defects, poor communication, or incorrect equipment that were visible before the lift started.

If your crew needs a field-ready form, use this download:

• Download the rigging inspection checklist template (PDF)

This guide explains what to inspect before every lift, what conditions require immediate removal from service, and how to document inspections so supervisors, safety teams, and clients can verify compliance.

Standards This Checklist Aligns With

This checklist framework is built around common U.S. requirements and references:

• OSHA 29 CFR 1926.251 for rigging equipment used in construction
• OSHA 29 CFR 1910.184 for slings used in general industry
• ASME B30.9 for slings
• ASME B30.10 for hooks
• ASME B30.26 for rigging hardware (shackles, links, and related fittings)

Regulatory obligations vary by work scope, contract language, site owner rules, and jurisdiction. Always apply the most stringent requirement that governs your job.

If You Are Hiring Rigging Services

If your role is owner, GC, plant manager, or project engineer, this checklist is still useful. Use it as a pre-award and pre-lift verification tool before mobilization.

Ask each contractor to provide:

• Current sling/hardware inspection logs (daily and periodic).
• A clear out-of-service/tagging procedure for damaged gear.
• Name and role of the competent person and, where required, the qualified rigger.
• Lift plan package showing load weight, rigging configuration, and communication plan.
• Proof that planned routes for suspended loads avoid employees working underneath.

This quickly separates contractors with mature inspection discipline from those relying on verbal assurances.

How To Use This Rigging Inspection Checklist

Use this checklist in three phases:

1. Pre-job planning review before equipment is staged.
2. Shift or pre-use inspection before each lift sequence.
3. Post-lift and periodic review to identify trends and retire damaged gear.

A practical workflow is to assign one competent person to lead the inspection and one second person to verify critical findings on high-consequence lifts. This cross-check reduces the chance that time pressure or familiarity causes missed defects.

Pre-Use Inspection Steps Before Every Lift

Before inspecting individual components, verify the lift conditions:

• Lift plan is current and matches actual site conditions.
• Load weight and center of gravity are known.
• Planned hitch, sling angles, and hardware ratings are documented.
• Environmental conditions (wind, visibility, lighting, ground stability) are acceptable.
• Qualified signal person and communication method are confirmed.

Then inspect each component in the actual configuration you will use, not as isolated parts on a shelf. A sling that looks acceptable in storage can still be wrong for the hitch angle, edge condition, or hardware geometry of the real lift.

Identification And Capacity Verification

For every sling and hardware component:

• Confirm legible identification tag or permanent marking.
• Confirm rated capacity for the specific hitch type and angle.
• Confirm compatibility between component diameters, bow widths, and pin sizes.
• Confirm no unauthorized modifications (field welding, grinding, heating, drilled holes, makeshift latches, etc.).

If identification is missing or illegible, remove the item from service until it is properly re-identified according to manufacturer and site policy.

Sling Inspection Criteria

Slings are where many rigging failures begin. Inspect every sling before each use, then apply periodic documented inspections based on service severity.

Wire Rope Sling Inspection

Inspect wire rope slings for the following rejection indicators:

• Broken wires, including OSHA minimum removal triggers of 10 randomly distributed broken wires in one rope lay or 5 broken wires in one strand in one lay.
• Severe abrasion causing measurable diameter reduction.
• Kinking, crushing, bird-caging, or core protrusion.
• Heat damage (discoloration, loss of lubrication, fused wires).
• Corrosion or pitting, especially near end fittings.
• Damaged, cracked, or deformed sleeves, sockets, thimbles, and eyes.

Field tip: run a gloved hand slowly along the rope to detect broken wire ends and localized distortion that can be missed visually.

Alloy Chain Sling Inspection

Inspect chain slings link-by-link and fitting-by-fitting:

• Stretch or elongation beyond allowable limits.
• Wear exceeding 15% of original link or fitting diameter.
• Gouges, nicks, cracks, peening, or sharp wear points.
• Twisted or bent links.
• Heat damage from welding exposure, torch contact, or high-heat process environments.
• Corrosion that reduces cross-section.
• Deformed or cracked master links, coupling links, grab hooks, and shortening clutches.

If any link shows crack indication, do not attempt field repair. Remove the assembly from service and route it through the approved repair/re-certification process.

Synthetic Web Sling Inspection

Synthetic web slings are vulnerable to edge, chemical, and UV damage. Check for:

• Cuts, tears, snags, punctures, frayed edges, and broken stitching.
• Melted, charred, or hardened areas from heat.
• Chemical attack signs (stiffness, brittleness, softening, discoloration).
• Abrasive wear that thins load-bearing fibers.
• Knotting, twisting, or unauthorized sewn modifications.
• Distortion, pitting, or corrosion on attached fittings.
• Missing or unreadable tag.

Use edge protection whenever the sling contacts corners, plate edges, or rough surfaces. No checklist can compensate for avoidable edge loading.

Synthetic Round Sling Inspection

For round slings, inspect both cover and core condition:

• Cover cuts, punctures, burst seams, or severe abrasion.
• Localized flat spots suggesting core damage.
• Burn or heat glazing.
• Chemical or UV degradation.
• Distortion at eye sections from improper loading.

If core integrity is uncertain, remove from service immediately. The core carries the load, and outer cover condition alone is not sufficient evidence of capacity.

Fiber Rope Sling Inspection

For natural or synthetic fiber rope slings, inspect for:

• Broken yarns, cut strands, and abrasion.
• Glazed or fused fibers from friction heat.
• Mildew, rot, or chemical contamination.
• Hard spots and inconsistent diameter.
• Splice defects or loose tucks.

Fiber rope slings often degrade gradually in storage and wet environments. Inspection intervals should be tighter when exposure is frequent.

Hardware Inspection Criteria

Hardware compatibility failures are common and preventable. Inspect each hardware type with the same discipline used for slings.

Hooks

Inspect hooks using ASME B30.10-style criteria:

• Cracks, nicks, gouges, and corrosion.
• Throat opening increase beyond 15% from original.
• Twist beyond 10 degrees from the plane of the unbent hook.
• Latch missing, bent, or not functioning.
• Bearing surface wear at saddle.

Never force a hook to seat by side loading, wedging, or tip loading. Load must bear in the bowl/saddle as designed.

Shackles

Shackle checks should include:

• Body and pin identification legibility and matching size/grade.
• Pin threads in good condition; full engagement achieved.
• Bow and ears free of cracks, deformation, and severe wear.
• No substituted bolts, nails, or non-matching pins.
• Correct orientation for load path and multi-leg loading.

Common error: using screw-pin shackles in applications where vibration can loosen pins. For those cases, use a secured pin style as required by site practice.

Eyebolts And Hoist Rings

For eyebolts and hoist rings:

• Verify shoulder style and orientation for angular loading.
• Verify full thread engagement depth in base material.
• Check seat contact (no gap under shoulder where full seat is required).
• Check for bends, cracks, or thread damage.
• Confirm hoist ring swivel and pivot movement is smooth and unobstructed.

Do not assume a straight-pull eyebolt is acceptable for angular pulls. Use hardware specifically rated for the load angle.

Turnbuckles And Tensioning Components

When turnbuckles are part of temporary stabilization or controlled tensioning:

• Verify thread condition and engagement on both ends.
• Verify lock nuts, safety wire, or locking devices are in place.
• Check body for bends, thread pull-out, and corrosion.
• Confirm jaw/eye/fork end fittings are pinned and secured correctly.

Turnbuckles are frequently under-inspected because they are treated as “adjustment” hardware. In practice, they are load path components and should be inspected to the same standard as other rigging hardware.

Rigging Equipment Retirement Criteria

A checklist only works when crews know when to stop using an item. Establish clear retirement criteria in writing and train to them.

Retire equipment immediately when any of the following applies:

• Crack indication in any load-bearing metallic component.
• Missing or illegible identification where rating cannot be verified.
• Permanent deformation (bent hook, stretched chain link, opened shackle ear, etc.).
• Heat damage that can alter metallurgy or fiber integrity.
• Severe wear, cuts, or corrosion beyond manufacturer/site limits.
• Unauthorized repair, weld, or modification.
• Shock load event or incident history requiring quarantine pending engineering review.

Use a red-tag/quarantine process so removed gear cannot return to active stock accidentally.

Inspection Frequency Requirements

A compliant rigging inspection program includes multiple frequencies, not a single check.

Shift Or Pre-Use Inspections

Perform visual and tactile pre-use inspections at the start of each shift and before first use of each item that day. If gear is reassigned between crews, repeat inspection before use.

OSHA requires slings and all fastenings/attachments to be inspected each day before use by a competent person.

Periodic Documented Inspections (OSHA Minimum)

For alloy chain, wire rope, metal mesh, and synthetic web slings, OSHA periodic intervals are:

• Normal service: at least annually.
• Severe service: at least monthly.
• Special service: as recommended by a qualified person, commonly quarterly minimum.

For steel erection lifts, OSHA also requires a qualified rigger to inspect rigging before each shift and as necessary during use to ensure safe handling.

Do not rely on memory for frequencies. Put interval rules in your rigging procedure and inspection software or log system, and record the inspection date directly on equipment logs.

Documentation Requirements

Documentation is where many programs fail. If an inspection is not documented, you cannot prove it happened.

At minimum, each recorded inspection should include:

• Date and time.
• Inspector name and qualification.
• Equipment ID (tag number, serial, type, size, capacity).
• Inspection type (pre-use, frequent, periodic, post-incident).
• Findings (acceptable, monitor, remove from service).
• Corrective action taken.
• Supervisor verification for rejected or returned items.

For high-risk lifts, attach inspection records to the lift package so the client, safety lead, and lift director have a single auditable file.

Digital Tracking Best Practices

Digital inspection logs make trend analysis possible:

• Use unique IDs (barcode/QR) for each sling and hardware item.
• Require photo evidence for rejection findings.
• Track rejection reason codes (crack, abrasion, missing tag, etc.).
• Trigger automatic reminders for periodic inspections.
• Lock out equipment status until corrective action is approved.

This transforms inspections from “paper compliance” into an operational reliability system.

Practical Field Checklist (Quick Version)

Use this quick sequence at the point of work:

1. Confirm lift plan, load weight, and communication method.
2. Verify each sling/hardware ID and rated capacity for the planned hitch angle.
3. Inspect slings for cuts, wear, deformation, corrosion, and heat/chemical damage.
4. Inspect hooks, shackles, eyebolts, and turnbuckles for cracks, deformation, and securement.
5. Verify compatibility across all connection points and pre-plan suspended-load travel paths.
6. Remove questionable gear immediately and replace it before proceeding.
7. Document findings and sign off before the first pick.

For jobs with elevated consequence, combine this checklist with a formal critical lift planning process.

Common Inspection Mistakes To Eliminate

Even experienced crews repeat a few avoidable mistakes:

• Treating tags as optional when the gear “looks fine”.
• Ignoring angle effects and only checking vertical ratings.
• Mixing components from different systems without compatibility verification.
• Continuing to use marginal gear to avoid schedule delays.
• Performing inspections but skipping documentation.

Address these at toolbox talks and pre-lift meetings. Most inspection misses are process failures, not knowledge failures.

Final Takeaway

A rigging inspection checklist works only when it is specific, enforced, and documented. Build your program so that inspection decisions are consistent across crews and shifts, retirement criteria are non-negotiable, and records are complete enough to stand up to internal audits, client review, and regulator scrutiny.

If you need a ready-to-use form, start with the PDF template on this page and adapt it to your site standards, equipment inventory, and governing codes.