Materials Handling (including Gear and Equipment for Rigging) ť Shackles and Hooks

Shackles and hooks are components of rigging used to attach loads and slings to lifting devices. These items along with ropes, chains, and slings make up the "rigging gear."

Shackles and Hooks

Figure 1: Spliced eye in natural fiber rope connecting an oval ring.

Potential Hazards:

Failure of shackles or hooks while loads are being lifted or moved, may cause serious injuries.

Requirements and Example Solutions:

The safe working load of shackles and hooks must not be exceeded. [29 CFR 1915.113(a)(1)]
Hooks without applicable manufacturer's recommendations available, must be tested to twice the intended safe working load. Documentation must be maintained. [29 CFR 1915.113(b)(1)]
Loads must be applied to the throat of the hook. [29 CFR 1915.113(b)(2)]
Hooks must be inspected periodically. [29 CFR 1915.113(b)(3)]
Bent or sprung hooks must not be used. [29 CFR 1915.113(b)(3)]