What are the common hazards in mobile crane?

Mobile crane lifting hazards and control measures

  • B1. Structural failure or tip-over of the crane during operation. Do not exceed the lifting capacity of the crane.
  • B2. Collision from swinging load or reduced stability of the crane.
  • B3. Crane damage and tip over from using counterweights that are not specified.

What are the hazards of cranes?

Electrical Hazards: Cranes typically operate at high heights, which means they may be in the same area as electrical lines and hazards. If the operator is not careful, the crane could come into contact with the electrical lines, which is very dangerous.

What are the typical safety precautions for safe use of a mobile crane?

Never override the computer in a mobile crane. Ensure you have carefully read and understood the load charts for a mobile crane before you use it. Never use a mobile phone whilst operating a mobile crane. You wouldn’t use a phone whilst driving on a car – it’s the same thing.

What is the greatest risk to be found in mobile crane operations?

Equipment (including the load and load line) coming into electrical contact with power lines is the leading cause of crane-related fatalities.

What are the safety devices in crane?

SAFETY DEVICES AND OPERATIONAL AIDS

  • SAFETY DEVICES. • Crane Level Indicators (can be a handheld level) • Boom Back Stops (lattice cranes)
  • OPERATIONAL AIDS / CATEGORY 1. • Boom Hoist Limiting Device. • Luffing Jib Limiting Device.
  • OPERATIONAL AIDS / CATEGORY 2. • Boom Angle or Radius Indicator. • Luffing Jib Angle Indicator.

What are the most common types of crane accidents?

OSHA’s analysis of crane accidents identified the major causes of crane accidents as:

  • 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 crane safety tips?

  • Select the Right Crane for the Job. Ensuring safe crane operation begins with choosing the correct crane.
  • Always Utilize Qualified Personnel.
  • Read Operator Manuals.
  • Perform Daily Operator Checks.
  • Avoid or Clear Obstacles During Travel.
  • Carefully Stabilize Crane Before Rigging.
  • Rig the Load Correctly.
  • Understand Load Radius.

What is the hazard of lifting?

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. Effective ergonomic controls can reduce the risk and prevent injuries.

What are the safety devices in mobile and tower cranes?

(23) Anti-upset devices include levels and boom angle indicators, load charts/monitors and load moment indicators, all of which feed information to the opera- tor to assist in allow safe operation, and outriggers, boom stops, anti–two-block mechanisms, wind sensors, and brakes, which insure crane stability.

What is the most common misuse of rigging OSHA?

Overloading The Hoist: Not surprisingly, the single most common way to potentially damage or misuse a chainfall is to overload the hoist. Putting too much force on the hook or exceeding the working load limit of the hoist leads to stretched hooks, damaged equipment, damaged loads, and employee downtime.

What is rigging safety?

Riggers should keep their hands, fingers and feet clear of pinch points. Be aware of stacked material when lifting to avoid knocking it over with a swinging load. Use a designated spotter during lifting to ensure proper clearances are maintained. Check for overhead power lines before lifting a load.

What are the safety features of a mobile crane?

Mobile crane safety devices comprise: load moment limiter, turntable lock pin, boom backstop, hoist limit switch, anemometer, level gauge, hydraulic overflow valve, counterbalance valve, two-way hydraulic lock, stewing warning lamp and travel warning lamp, etc. B9.

How many people have been killed by mobile cranes?

Mobile crane safety hazards can potentially lead to some of the most dangerous situations on a work site. Statistics by the Census of Fatal Occupational Injuries (CFOI) make for scary reading: There were 297 crane-related deaths between 2011 and 2017.

What causes a mobile crane to tip over?

Tip-overs and instability are another mobile crane hazard. Soft or unlevel ground can cause a crane to tip. Use outriggers to stabilize the crane when the ground surface or the load requires it. Never operate a crane if the load or slope lifts the wheels off the ground.

What can I do to avoid a crane accident?

Avoid sudden stops or accelerations that could jar the load. When rotating the load, you can use taglines or guidelines to control the arc and swing. Try to avoid lifting loads over workers or over the cab of the crane. If this type of lifting is necessary, use safety hooks or other approved devices.