Podcast
Questions and Answers
What is the primary hazard associated with operating diggers and dump trucks near trenches and excavation walls?
What is the primary hazard associated with operating diggers and dump trucks near trenches and excavation walls?
- Increased difficulty in maneuvering the equipment due to confined space.
- Compromised structural integrity of the equipment leading to breakdowns.
- Reduced engine performance due to increased dust.
- The vibrations from the equipment can cause a cave-in. (correct)
Why is visibility a critical safety consideration when operating diggers and dump trucks?
Why is visibility a critical safety consideration when operating diggers and dump trucks?
- To allow the operator to monitor wear and tear on the machinery better.
- To allow the operator to see people who may be at risk from the operation of the machine. (correct)
- To help operators avoid traffic jams by spotting alternative routes.
- To ensure the operator can see the fuel gauge clearly.
Besides the operator, which other role is specifically mentioned as needing to be in a visible position when diggers and dump trucks are in operation?
Besides the operator, which other role is specifically mentioned as needing to be in a visible position when diggers and dump trucks are in operation?
- The signal person. (correct)
- The delivery driver dropping off materials.
- The quality control inspector.
- The foreman overseeing the project.
What type of clothing is recommended for anyone working near heavy equipment like diggers and dump trucks?
What type of clothing is recommended for anyone working near heavy equipment like diggers and dump trucks?
What is the potential consequence of a single mistake when working with or around diggers and dump trucks?
What is the potential consequence of a single mistake when working with or around diggers and dump trucks?
What is the primary reason workers on the ground should stay clear of an excavator's bucket and rear?
What is the primary reason workers on the ground should stay clear of an excavator's bucket and rear?
Why is it crucial for operators to stay inside the cab of the equipment unless it's properly secured?
Why is it crucial for operators to stay inside the cab of the equipment unless it's properly secured?
What is the significance of calling 811 before digging, especially when operating an excavator?
What is the significance of calling 811 before digging, especially when operating an excavator?
What should a worker do before passing in front of an excavator?
What should a worker do before passing in front of an excavator?
What crucial factor must be considered when operating a digger in confined spaces, like between buildings?
What crucial factor must be considered when operating a digger in confined spaces, like between buildings?
Flashcards
Diggers and Dump Trucks
Diggers and Dump Trucks
Heavy equipment used to dig, scoop, move, or haul earth and debris on construction sites.
Dump Truck Gross Weight
Dump Truck Gross Weight
The weight of a fully loaded dump truck. This highlights the potential danger they can pose.
Safe Positioning
Safe Positioning
Placement of diggers and trucks far enough away from trench and excavation walls to prevent cave-ins due to vibrations.
Importance of Visibility
Importance of Visibility
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High-Visibility Clothing
High-Visibility Clothing
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Exclusion Zones
Exclusion Zones
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Struck-by Accidents
Struck-by Accidents
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Swing Radius Awareness
Swing Radius Awareness
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Maintain Clearances
Maintain Clearances
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Call Before You Dig
Call Before You Dig
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Study Notes
- Safety guidelines for working around diggers and dump trucks during construction or demolition projects.
- Heavy equipment is used to dig up or move earth or debris.
- Dump trucks can weigh up to 80,000 pounds.
- Digger sizes range from small backhoes to large trackhoes or dragline shovels attached to crawler cranes.
- Following safe work practices is crucial to prevent property damage, injuries, or fatalities.
Exclusion Zones
- Establish exclusion zones to keep people away from the digger's working radius.
- Struck-by accidents can occur within an excavator's swing radius, which can be a full 360 degrees.
- Ground workers should stay clear of the bucket and the back of the excavator.
- Operators focus on their work and may not always see people nearby, even those with a cup of coffee.
- A seemingly easy task can involve numerous hazards.
Clearances
- Maintain adequate clearance for the digger's swing, especially in confined spaces like between buildings.
- Dump trucks and excavators can be tall enough to contact overhead power lines.
- Locate all power lines and maintain equipment away from them.
Trench Safety
- Position diggers and trucks away from trench and excavation walls.
- Heavy equipment vibrations can cause cave-ins, including the machine sliding into the trench.
Visibility
- Operators should ensure their equipment mirrors are properly adjusted.
- Look out for people at risk because of the machine.
- Signalers should be visible and positioned to direct equipment and pedestrians.
- Wear high-visibility clothing, especially at night or in low-light.
Machinery Contact
- Contact with machinery can lead to "getting run over" hazards.
- Operators should remain in the cab unless the equipment is secured.
- Never stand behind a truck or any equipment to avoid being run over.
- Before passing in front of an excavator, get the operator's attention and wait for clearance.
Electrical Hazards
- Excavator operators must watch for overhead and underground utility hazards.
- Call 811 before digging.
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Description
Safety guidelines for operating diggers and dump trucks on construction sites. Establish exclusion zones to keep people away from the digger's working radius. Maintaining adequate clearance for the digger's swing is crucial, especially in confined spaces.
