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What happened?
While transporting a service rig down a public highway, a set of aluminium stairs bounced off the load and landed on the road, impacting a third-party vehicle.
The incident resulted in injuries to the occupants of the third-party vehicle.
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Why did it happen?
The stairs were not properly secured.
While the driver was adhering to the speed limit, the section of highway was in poor condition (potholes, bumps, and dips), and the vehicle was traveling too fast for the condition of the road.
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What did they learn?
- A full walk-around inspection must be completed on all equipment prior to the vehicle moving.
- All components of cargo, vehicle, and equipment (stairs, hammer union connections, valve handles, etc.) must be secured to prevent movement in any direction.
- Regardless of the posted speed limit, always drive defensively and adjust the vehicle’s speed to the road conditions.
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Ask yourself or your crew
- How can something like this happen here (e.g. on our site)?
- What safety measures (i.e. procedures, controls/barriers) do we have in place to mitigate the risk?
- How do we know the risk controls/barriers are working?
- What improvements or changes should we make to the procedures, controls/barriers or the way we work?
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
What happened?
While transporting a service rig down a public highway, a set of aluminium stairs bounced off the load and landed on the road, impacting a third-party vehicle.
The incident resulted in injuries to the occupants of the third-party vehicle.


Why did it happen?
The stairs were not properly secured.
While the driver was adhering to the speed limit, the section of highway was in poor condition (potholes, bumps, and dips), and the vehicle was traveling too fast for the condition of the road.

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What did they learn?
- A full walk-around inspection must be completed on all equipment prior to the vehicle moving.
- All components of cargo, vehicle, and equipment (stairs, hammer union connections, valve handles, etc.) must be secured to prevent movement in any direction.
- Regardless of the posted speed limit, always drive defensively and adjust the vehicle’s speed to the road conditions.

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Ask yourself or your crew
- How can something like this happen here (e.g. on our site)?
- What safety measures (i.e. procedures, controls/barriers) do we have in place to mitigate the risk?
- How do we know the risk controls/barriers are working?
- What improvements or changes should we make to the procedures, controls/barriers or the way we work?
Published on 11/04/23
1019 Views
While transporting a service rig down a public highway, a set of aluminium stairs bounced off the load and landed on the road, impacting a third-party vehicle. The incident resulted in injuries to the occupants of the third-party vehicle.
Original material courtesy of Energy Safety Canada
Other resources:
Life saving rule - Line of fire video
Life saving rule - Driving video
Dropped Objects Best Practice
Dropped Objects Microlearning Video
Energy Safety Canada has partnered with DROPS (DropsOnline.org) in the establishment of a Canadian chapter. To become a member, review the Terms of Reference on the Canadian Chapter DROPS website and send an email to express your interest.