Abstract white background with red circle lines

Schedule Your Service Today

Contact our Edmonton team for rigging inspections, load testing, or guidance on sling safety requirements.

Expert Rigging Inspection Services in Edmonton & Calgary

Campbell‑Mack Supply provides professional rigging inspection and load testing services to support safe lifting operations across industrial, construction, and commercial environments. Our qualified technicians deliver accurate, compliant inspections and testing programs to help your team meet regulatory requirements and maintain equipment readiness.

All services are available at both our Edmonton and Calgary locations.

Use the links below to navigate this page:

Rigging Inspection Services

Load Testing

Rigging Inspection Services

Proper rigging inspections are essential for maintaining safe lifting conditions and preventing equipment failure. Our team provides thorough inspections of slings, hardware, rigging assemblies, and related lifting components.

Our inspection services include:

Visual and hands‑on inspection of wire rope slings, chain slings, and synthetic slings.
Evaluation of hooks, shackles, links, and other rigging hardware.
Verification of identification tags and load rating markings.
Identification of wear, deformation, corrosion, and other rejection criteria.
Documentation and reporting for compliance and recordkeeping.
Recommendations for replacement or repair when required.

Inspections are completed according to applicable standards and manufacturer guidelines. Mobile or on-site inspection services may be available depending on the application.

Load Testing

Load testing ensures that lifting equipment, slings, hoists, beams, and hardware can perform safely underrated working loads. It is a critical component of equipment certification and preventive maintenance.

Campbell‑Mack Supply’s load testing capabilities include:

Static and dynamic load testing.
Certification for lifting devices and rigging assemblies.
Proof testing of custom lifting components.
Documentation for compliance with workplace and industry standards.

For specific load testing requirements, equipment types, or scheduling contact our Edmonton or Calgary team directly.

General Requirement & Inspection Criteria for Slings

Slings that are damaged or defective shall not be used.
Slings shall not be shortened with knots or bolts or other makeshift devices.
Sling legs shall not be kinked.
Slings shall not be loaded in excess of their rated capacities.
Slings used in a basket hitch shall have the loads balanced to prevent slippage.
Slings shall be securely attached to their loads.
Slings shall be padded or protected from the sharp edges of their loads.
Suspended loads shall be kept clear of all obstructions.
All employees shall be kept clear of loads about to be lifted and of suspended loads.
Hands or fingers shall not be placed between the sling and its load while the sling is being tightened around the load.
Shock loading is prohibited.
A sling shall not be pulled from under a load when the load is resting on the sling.
Employers must not load a sling in excess of its recommended safe working load as prescribed by the sling manufacturer on the identification markings permanently affixed to the sling.
Employers must not use slings without affixed and legible identification markings.
Inspections – Each day before being used, the sling and all fastenings and attachments shall be inspected for damage or defects by a competent person designated by the employer. Additional inspections shall be performed during sling use where service conditions warrant. Damaged or defective slings shall be removed from service.

Removal Criteria

WIRE ROPE SLINGS (ASME B30.9)

Missing or illegible sling identification.
Broken Wires: *For strand-laid and single-part slings, 10 randomly distributed broken wires in one rope lay, or 5 broken wires in one strand in one rope lay. *For cable-laid slings, 20 broken wires per lay. *For less than eight-part braided slings, 20 broken wires per braid length. *For eight-part or more than eight braided slings, 40 broken wires per braid length.
Severe localized abrasion or scraping resulting in a reduction from the nominal diameter of more than 5%.
Kinking, crushing, bird caging, or any other damage resulting in damage to the rope structure.
Evidence of heat damage.
Fittings that are cracked, deformed, or worn to the extent that the strength of the sling is substantially affected.
Severe corrosion of the rope or fittings.
For hooks, the removal criteria are stated in ASME B30.10.
For rigging hardware, the removal criteria are stated in ASME B30.26.
Other conditions, including visible damage, cause doubt as to the continued use of the sling.

WEB SLINGS (ASME B30.9)

Missing or illegible sling identification.
Acid or caustic burns.
Melting of 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.
Discolouration and brittle or stiff areas on any part of the sling, which may mean chemical or ultraviolet/sunlight damage.
Fittings that are pitted, corroded, cracked, bent, twisted, gouged, or broken.
For hooks, the removal criteria are stated in ASME B30.10.
For rigging hardware, the removal criteria are stated in ASME B30.26.
Other conditions, including visible damage, cause doubt as to the continued use of the sling.

POLYESTER ROUND SLINGS (ASME B30.9)

Missing or illegible sling identification.
Acid or caustic burns.
Evidence of heat damage.
Holes, tears, cuts, abrasive wear, or snags that expose the core yarns.
Broken or damaged core yarns.
Weld Splatter that exposes core yarns.
Knots in the round slings, except for core yarns knots inside the cover installed by the manufacturer during the fabrication process.
Fittings that are pitted, corroded, cracked, bent, twisted, gouged, or broken.
For hooks, the removal criteria are stated in ASME B30.10.
For rigging hardware, the removal criteria are stated in ASME B30.26.
Other conditions, including visible damage, may cause doubt as to the continued use of the sling.

ALLOY STEEL CHAIN SLINGS (ASME B30.9)

Missing or illegible sling identification.
Cracks or breaks.
Excessive wear, nicks, or gouges. Stretched chain links or fittings.
Bent, twisted, or deformed chain links or fittings.
Evidence of heat damage.
Excessive pitting or corrosion.
Lack of ability of the chain or components to hinge (articulate) freely.
Weld splatter.
For hooks, the removal criteria are stated in ASME B30.10.
For rigging hardware, the removal criteria are stated in ASME B30.26.
Other conditions, including visible damage, may cause doubt as to the continued use of the sling.

For additional information, please refer to the OSHA and ASME standards as they apply. It is not intended, nor should it be construed, that the information contained herein takes precedence over any regulations and requirements, local, state, federal, OEM or any other ruling body.