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How do I Choose the Right Vehicle Restraint?

How do I Choose the Right Vehicle Restraint?

Posted by Simeon Prestidge on 29 October 2018 3:17:45 PM


The most important things to consider when evaluating different restraints is how well they prevent trailer separation and how reliably they communicate inside and outside the dock . Factors specific to your operation will also help guide the selection process. Not all restraints perform the same. You need to consider many different factors such as:

Types of trailers you service

Dock layout
Loading practices
Facility design


Restraint Effectiveness Against Trailer Creep
Below dock endloads
Air-ride trailers


Restraint Effectiveness Against Early Departure
Gradual vs. aggressive pullout attempts
Effectiveness of different restraint designs


Restraint Effectiveness Against Trailer Tip Over
Landing gear failure
Trailer up-ending
Collision with other trucks


Communication
System components
Safe/unsafe condition alerts

vehicle restraint

Types of Vehicle Restraints: There are several different types of vehicle restraints. Each style provides a different degree of protection against trailer separation.
RIG Dependent – Restraint attaches onto the trailer’s RIG (rear impact guard or ICC bar)

Vertical barrier restraints – Can address trailer creep and early departure.

Rotating hook restraints – Can address trailer creep, early departure, landing gear failure and trailer tip over.

Wheel Dependent – Restraint engages trailer’s rear wheel(s) instead of the RIG. Used often with lift gate trailers.

What are the questions to ask when choosing a restraint?
Without the right restraint, you could face steep consequences. The trailer restraint was engaged on the truck’s rear impact guard. The forklift driver felt safe. He wasn’t. As he entered with a load, the trailer bounced on its air suspension. The rear impact guard “hopped” over the restraint barrier, the trailer edged forward, and the forklift tumbled into the gap between dock and trailer.

The young man’s company had seen the futility of wheel chocks and had invested in trailer restraints. But why did this restraint fail to prevent a tragic accident? Because it's design did not account for the specific challenges of this company’s loading operations. The lesson is simple: Not all restraints are the same. The wrong one can put you at risk. If you haven’t given up on wheel chocks – you should! – then you need to evaluate restraints with care. You need to ask questions.

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