Falling while getting into or out of truck cabs or heavy equipment or when mounting or dismounting tanker truck bodies or trailers can
cause serious injuries. Many knee, ankle and back injuries result from jumping from equipment onto uneven ground or objects.
The biggest cause of falls from a vehicle is human error and failure to follow the “Three Point Rule”. The Three Point
Rule requires three of four points of contact to be maintained with the vehicle at all times – two hands and one foot,
or both feet and one hand. This system allows maximum stability and support, reducing the likelihood of slipping and
There are important steps that can be taken to prevent mounting/dismounting injuries with the use of the Three-Point
Rule being the most important. To climb on and off trucks & construction equipment safely, always maintain three points
of contact. That means two hands and one foot or two feet and one hand on the equipment at all times.
WHAT THE EMPLOYER CAN DO:
Evaluate every truck and piece of equipment.
Provide additional steps, non-slip surfaces and hand holds where necessary.
Maintain steps, contact surfaces, and handholds in useable condition. Inspect frequently.
Instruct all workers in safely mounting and dismounting equipment, including the 3-point contact method
Install warning decals or signs in the cab or on the door of trucks and heavy equipment reminding workers
to use 3-point contact.
WHAT THE EMPLOYEE CAN DO:
Keep steps, ladders and standing surfaces free of snow, mud and debris. Report damage immediately.
Don’t use tires or wheel hubs as a step surface.
Don’t use the doorframe or door edge as a handhold.
Wear footwear with good support and slip resistance.
Look out the window and park the vehicle in an area of flat, debris-free ground whenever possible.
Don’t climb down with something in your hand. Leave it on the vehicle floor and retrieve it after getting
safely on the ground.
Don’t rush to climb out after a long shift.
Never ride on the outside or steps of a vehicle
Descend slowly to avoid straining a muscle.
Be extra careful when working in inclement weather.
Exit and enter facing the cab.
Get a firm grip on rails or handles.
Break 3-point contact only when you reach the ground, the cab, or a stable platform.
Mount and dismount facing the equipment.
Climb on and off only when the equipment is stationary.
Use the parts designed by the manufacturer for mounting and dismounting—steps, running boards, traction
strips, footholds, handgrips, etc.
Keep these parts clear of mud, snow, grease, and other hazards that can cause slips, trips, or falls.
Don’t use wheel hubs, machine tracks, or door handles for mounting and dismounting.
Never Jump! You may land on an uneven surface, off balance or on something. Look before exiting
Call 911 and 811 damage response when you have reached a safe distance. If there are emergency phone numbers on posts or
markers for the line it is ok to call these companies directly.
See the Fiore Safe Work Practice #017 – “Ascending and Descending Trucks and Equipment”. Review the practice with your team.
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