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Product Resource Information

Scope

Employer, Worker, User, Supervisor and Supplier Responsibilities

Legislation, Standards and Specifications

Design Factors

Markings

Training

Inspection Requirements

Removal Criteria

Selection, Limitations and Use

Maintenance

Misconceptions

Misconception 1. The side, back or tip of a hook can make contact with the load as long as it's within its rated capacity.

Load shall be centered in the base (bowl/saddle) of the hook to prevent point loading of the hook. Hooks are not designed to place a side load, back load, or tip load on the hook.

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Misconception 2. The purpose of a safety latch is to  keep the slings on the hook when the slings are in a loaded condition.

Hook latches aid the retention of loose slings under slack rigging conditions only and are not intended to be antifouling devices during lifting or rigging. Visual verification of proper hook engagement is required in all cases.

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Misconception 3. Sorting hooks are designed to be used at all angles.

The normal recommended “angle of loading” when using sorting hooks is 30 to 45 degrees. These lower angles although typically discouraged for most rigging applications, allows the load to more easily obtain full hook throat engagement. The manufacture must always be referenced

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Misconception 4. Sorting hooks are designed for lifting pipe only.

Sorting hooks are commonly used for lifting plate when part of a 4 legged bridle, do not exceed 45 degrees between two hooks on the same side of the load

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Misconception 5. Any number of slings can be placed on a hook as long as they are not bunched or pinched.

A collector ring, such as a link or shackle, should be used when more than two legs are placed in a hook or for angles greater than 45 deg with respect to the hook centerline.

 

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