Tanker Rollover
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Health & Safety (HSE)Tanker Rollover

Tanker Rollover

0.25 Hrs
SKU: RVCT-403

Approximately 1300 tanker truck rollovers occur every year. These rollovers are the reason behind one in four accident-related truck driver deaths. This course emphasizes the importance of drivers paying close attention to the road and its conditions, as well as how their behaviors and decisions can factor in a rollover.

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Tanker Rollover
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Course Details

Learning Objectives

• Key statistics on tanker rollovers
• How tanker rollovers occur
• Common causes of tanker rollovers
• Ways to prevent tanker rollovers

Specs

Course Level
Intermediate
Languages
English, Spanish
Compatibility
Audio, Video
Based on:
Federal Motor Carrier Safety Administration (FMCSA) best practices

Author | Vector Solutions

With over two decades of experience designing advanced 3D animated courseware and developing our proprietary learning management software, we pride ourselves by having developed over 1,000 safety and operations training modules, which have helped train over 250,000 workers worldwide. Our highly experienced team provides the industry with a simple and high-quality means of training their workforce. Whether your team consists of 25 people or an enterprise with thousands, we’re here to help.

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Frequently Asked Questions

What happens during a rollover?

All vehicles have a point at which lateral forces cause them to rollover. The lowest value of lateral acceleration that causes a vehicle to rollover is called rollover threshold, which is measured in gravitational units (g). Vehicles with a lower rollover threshold take less force to flip over, meaning it is easier for them to rollover.

Why are trucks more likely to rollover than cars?

Unlike a car, that is more likely to skid than roll, trucks have an easier time rolling because of the truck and trailer’s higher center of gravity.

What are the most common risk factors for a tanker truck rollover?

The most common risk factors for tanker truck rollovers are: driver behavior, vehicle design and performance, load effects, and road and weather conditions.

What contributes to 75% of all tanker rollovers, and how do you prevent it?

Driver error contributes to 75% of all tanker rollovers. To prevent driver error, plan and prepare your trip in advance, as well as avoiding unsafe behaviors such as: distractions, complacency, tailgating, road rage, fatigue, eating, daydreaming, driving under the influence, and speeding.

Why does the impact of having a high center of gravity attribute to tanker rollovers?

Tanker trucks sit higher on their wheels, giving them a higher center of gravity. When a vehicle has a high center of gravity relative to its width, it becomes less stable.

Sample Video Transcript

All vehicles have a point at which lateral forces will cause them to rollover. The lowest value of lateral acceleration that will cause a vehicle to rollover is called its rollover threshold, which is measured in gravitational units or “g”. Vehicles with a lower rollover threshold take less force to flip over, which means they are less stable. For example, standard cars typically roll at 1.2 to 1.3g, while pick-up trucks or jeeps roll at about 0.8g. A fully loaded tanker truck however, requires only 0.4g to roll. Unlike a car that will more likely skid than roll, trucks are more likely to roll. This is due to the higher center of gravity of the truck and trailer. Typically, during a rollover, the inside rear trailer tandem wheels lift first. The suspension and body of the trailer can absorb some twisting, but at a certain point the tanker begins to flip. The driver’s first indication of rolling may be the image of the trailer lifting up in the side view mirror, giving little to no time to react.

Additional Resources

  • Federal Motor Carrier Safety Administration (US Dept. of Transportation) – http://www.fmcsa.dot.gov/

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