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Lifting, Lashing & Rigging Knowledge Base

Lifting Rigging Industry Blog | Safety Tips Guides - H-Lift

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April 12th, 2026

A Comprehensive Guide to Choosing the Right Sling

Selecting the correct lifting sling is critical for ensuring workplace safety and operational efficiency. In the lifting and rigging industry, different materials offer unique advantages depending on the environment, the weight of the load, and the fragility of the cargo.

March 15th, 2026

Safe Use of 4-Leg Slings | Quad Bridle WLL & Rigging - H-Lift

A four leg sling comprises four legs permanently connected at their upper ends by a suitable link assembly and marked as an assembly. Four leg slings are mainly used to handle square or rectangular (four cornered) loads.

March 15th, 2026

Safe Use of 3-Leg Slings: Leveraging Tripod Stability for Secure Lifts

A three-leg sling is a versatile lifting device used in rigging and industrial applications to handle unbalanced, circular, or irregularly shaped loads by distributing weight across three chain, wire rope, or web legs connected to a master link. These slings often feature Grade 80 alloy steel chains for strength, self-locking hooks, and shortening capabilities for adjustability.

March 15th, 2026

Load Weight Estimation for Rigging: Practical Guide

To estimate load weight in rigging, start with any documented value, then fall back to calculation from dimensions and material density, and finally verify with a test lift when possible

March 15th, 2026

Essential Markings for Safe Use of Lifting Equipment

Equipment which has been satisfactorily verified in accordance with the product specification and has passed the subsequent thorough examination should be marked with: (1) the WLL/SWL or rated capacity; and (2) an unambiguous means of identification to cross refer to the associated documentation; and (3) such other marks as are required by the standard being worked to and by legislation.

March 15th, 2026

Definition of the Factor of Safety (FoS)

The factor of safety (FoS) is the ratio of a structure’s or component’s strength to the actual applied load or stress, providing a safety margin against failure.

March 15th, 2026

EU Declaration of Conformity vs UK Declaration of Conformity

An EU or UK Declaration of Conformity is a declaration made by the manufacturer, or his authorised representative, that the equipment described complies with the relevant EU or GB supply legislation. It is the legal document enabling an item to be placed on the European Economic Area (EEA) or GB markets respectively and taken into service.

March 9th, 2026

Understanding the Difference: WLL, SWL, and Rated Capacity

In the lifting and rigging industry, there is often significant confusion regarding the terms Working Load Limit (WLL), Safe Working Load (SWL), and Rated Capacity. While they are related, their definitions and applications vary strictly under different standards and operational conditions.

January 4th, 2026

A Comprehensive Guide to Below-the-Hook Equipment

Below-the-hook lifting devices attach directly to a crane's hoist hook to securely grip and transport loads that standard slings can't handle effectively. These specialized tools enhance safety, balance, and efficiency in rigging operations, especially for industrial applications like those in maritime or construction hardware procurement. They comply with standards such as ASME B30.20, which governs their design, marking, inspection, and use.

July 23rd, 2025

Lifting Point vs Lashing Point

Lifting points and lashing points serve distinct functions related to load handling and securing, with key differences in design, load direction, safety factors, and usage:

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Lifting, Lashing & Rigging Knowledge Base

A Comprehensive Guide to Choosing the Right Sling

Safe Use of 4-Leg Slings | Quad Bridle WLL & Rigging - H-Lift

Safe Use of 3-Leg Slings: Leveraging Tripod Stability for Secure Lifts

Load Weight Estimation for Rigging: Practical Guide

Essential Markings for Safe Use of Lifting Equipment

Definition of the Factor of Safety (FoS)

EU Declaration of Conformity vs UK Declaration of Conformity

Understanding the Difference: WLL, SWL, and Rated Capacity

A Comprehensive Guide to Below-the-Hook Equipment

Lifting Point vs Lashing Point