Which Of The Following Are The Four Major Causes Of Crane Accidents?

The main four causes of crane accidents are contact with power lines, overturns, falls, and mechanical failure .

What are the most common types of crane accidents select the 4 answer options that apply?

• Upsetting or overturning the crane.
• Overloading the crane.
• Striking a flying aircraft.
• Being struck by a moving load or falling objects.

What are the six main causes of crane accidents?

• Cranes buckling or collapsing. Cranes have weight limits to ensure they do not tip over. ...
• Improper crane assembly. A major reason booms collapse is improper assembly of the crane. ...
• Improper employee training. ...
• Mechanical failures. ...
• Contact with electrical lines. ...
• Inspections.

What are the most common types of crane accidents quizlet?

OSHA has identified the major causes of crane accidents to be boom or crane contact with energized power lines (nearly 45% of the cases); overturned cranes; dropped loads; boom collapse; crushing by the counter weight; outrigger use; falls; and rigging failures.

Which of the following are hazards in a crane area?

• structural failure, overturning, or collapse of the crane.
• contact or collision of the crane or its load with people or other plant and structures.
• falling objects.

What is the most common cause of crane accidents?

• boom or crane contact with energized power lines (nearly 45% of the cases)
• under the hook lifting device.
• overturned cranes.
• dropped loads.
• boom collapse.
• crushing by the counter weight.
• outrigger use, falls and rigging failures.

What are the most common crane accidents?

Crane accident fatalities occur from a variety of causes. The most common cause of fatalities is workers or bystanders who are struck by an object that falls from the cranes . Other causes include being run over by a crane, falling from a crane, and electrocution.

How can we prevent crane accidents?

1. Restricting crane operation. Only trained and qualified personnel should be allowed to operate a crane.
2. Labeling crane load limits. ...
3. Training employees about crane clearance. ...
4. Providing safe walkways around cranes.

Why do crane accidents happen?

The majority of tower crane accidents happen due to the unavailability of a regular platform to support the crane foundation during the crane assembly [14]. Generally, the tower crane is one of the most important machinery systems often used to build multi-story buildings with larger construction areas.

Who can operate a crane?

Operators of most cranes above 2,000 lb. capacity when used in construction will need to be either certified by an accredited crane operator testing organization , such as the National Commission for the Certification of Crane Operators (NCCCO), or qualified through an audited employer program [§ 1926.1427(a)].

Which one of the following circuit interrupts is most effective?

Which one of the following circuit interrupts is most effective at preventing major shocks? GFCI is the right answer because others cannot shut down electricity immediately.

What is OSHA stand for?

“OSHA” Stands for the Occupational Safety and Health Administration of the United. States Department of Labor, formed by the Occupational Safety and Health Act of 1970. “CSHO” is an abbreviation for an OSHA Compliance Safety and Health Officer or. Compliance Officer.

What must be done before operating a crane?

Make sure the crane is suitable to lift and travel the load . Make sure the job site is planned and laid out. ... Visually inspect the crane before use. Make sure all loose materials, parts, blocking and packing have been removed from the load before lifting.

Is lifting a hazard?

Lifting, handling, or carrying objects at work can result in musculoskeletal injuries (MSIs), including sprains and strains and other injuries. The risk of injury increases when bending, twisting, heavy loads, and awkward postures are involved.

How many types of cranes are there?

• Telescopic Crane.
• Mobile Cranes.
• Truck Mounted Crane.
• Tower Crane.
• Rough Terrain Crane.
• Overhead Crane.
• Bridge Crane.
• Crawler Crane.

Who is responsible for crane safety?

The lift director is described by ASME as the party that directly oversees the work being performed by the crane and the associated rigging crew. According to ASME B30. 5, a lift director must be onsite for all lifting operations.