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Keep away from shovel machine

Keep away from shovel machine

What kind of accident is about to happen?

The battery of a neglected hydraulic shovel has died, and a small dump truck driver is using battery cables to connect it to the battery of his truck.
The drag shovel operator is trying to start the engine.

Can you predict what's about to happen?

Look what happened!

The drag shovel operator started the engine and accidentally hit the rotate lever, rather than the lever to raise the boom. The shovel turned suddenly, crushing the driver of the small dump truck between his truck and the counterweight of the shovel.

Tips for preventing similar accidents

1. When starting an engine, confirm that safe conditions exist within the operating range.
2. Confirm differences in control patterns for different models of machinery.
3. Do not enter the operating range of a hydraulic shovel.

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Take notice when drive on the road with rock fallen

Take notice when drive on the road with rock fallen

What kind of accident is about to happen?

A bulldozer heading to collect lumber is traveling along a work road created by excavating the side of a mountain road, and piling it up along the ravine side of the road.
Some rocks have fallen from the mountainside and are blocking part of the roadway, so the bulldozer operator is trying to avoid them.

Can you predict what's about to happen?

Look what happened!

When trying to go around the pile of rocks, the bulldozer ended up hitting the shoulder on the ravine side of the road. The shoulder, which was made of dirt, collapsed, and the bulldozer tumbled down the side.

Tips for preventing similar accidents 

1. Machinery operators should recognize that shoulders are unstable. If a shoulder is at risk of collapsing, halt work and take necessary safety measures.
2. Inspect work roads before starting work. To ensure safe travel, remove obstacles in the road and reinforce weak shoulders.
3. When there is a risk of a bulldozer tumbling down a shoulder or incline, take safety measures, such as assigning someone to serve as a guide, or installing guardrails or signs.

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Dangerous sittuation on the slope of mountain

Dangerous sittuation on the slope of mountain

Any accident foreseen in this frame?

This is a worksite for building a construction road. A hydraulic excavator is pulling hewn logs with a chain to remove them from the site.

Now what accident do you anticipate from this picture? 

This is the accident resulted!

The tugged logs were sent leaping and went down the slope on the valley side. Linked with a chain, the upper structure of the machine was then widely swung, then lost balance and rolled over. The operator was crushed under the fallen machine.

Tips for forestalling similar accidents

1. Use a special purpose machine for transport of logs such as skid loaders.
2. Operate a construction machine within its maximum capacity.
3. Fasten a wire rope securely to the logs.

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Keep far away from excavator in working

Keep far away from excavator in working

Any accident foreseen in this frame?

A hydraulic excavator is loading crushed stones on a truck in a material stockyard. In between the hydraulic excavator and the truck a worker is collecting the spilt crushed stones with a shovel.

Now what accident do you foresee occurring in this frame? 

This is the accident resulted!

The hydraulic excavator swung all of sudden. Then he was caught between the counterweight of the machine and the truck's rear gate, and killed.

Tips for forestalling similar accidents

1. Make sure that nobody gets within the reach of the swinging upper structure.
2. If it becomes unavoidable for a worker to enter the reach, let the operator and the worker thoroughly confirm safety signals.

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Safety when using excavator crane concrete water pipe

Safety when using excavator crane concrete water pipe

Any accident foreseen in this frame?

At a construction site of burying city water pipes, a hydraulic excavator is traveling with a pipe weighing 53 kg that is hung with a wire rope fixed at the center. A worker is holding the pipe with his hand to prevent it from swaying.

Now what accident do you foresee occurring in this frame?

This is the accident resulted!

The operator suddenly changed the course to avoid a big stone ahead. Then the hung pipe made a big sway, pulling the worker down. He was run over by the excavator and killed.

Tips for forestalling similar accidents

1. Strictly follow the rules restricting the use of hydraulic excavators in unintended applications (see the Article 164 of Rules of Industrial Safety and Health Law).
2. Take every precaution for safety at the worksite beforehand. In this instance remove, remove big stones lying on the planned traveling course.
3. Train operators thoroughly not to jerk hydraulic excavators as well as their work equipment.

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Compact the asphalt road safety notice

Compact the asphalt road safety notice

Any accident foreseen in this frame?

At a road construction worksite, a road roller has compacted the asphalt surface. Thereafter a worker is filling dents on the surface with asphalt using a rake nicknamed a "dragonfly".

Now what accident do you foresee occurring in this frame?

This is the accident resulted!

The operator backed up the road roller without thoroughly checking the rear. Standing in the dead angle area for the operator, the worker was pushed down from behind by the roller and crushed beneath it.

Tips for forestalling similar accidents

1. Do not allow workers to enter the working area of road rollers while in operation.
2. If it becomes definitely necessary to do so, post a work conductor at the site and let everyone follow his/her instructions.

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Safety when demolish wooden house

Safety when demolish wooden house

Any accident foreseen in this frame?

Equipped with a fork grab, a hydraulic excavator is loading debris generated from the demolished wooden houses. In the truck body, two workers are spreading the wooden debris evenly.

Now what accident do you anticipate occurring in this frame? 

This is the accident resulted!

The hydraulic excavator suddenly swung to the right, grabbing the wooden debris, and hard hit one of the workers on the truck. He fell off the truck dead.

Tips for forestalling similar accidents

1. Do not allow anybody to come within the reach of the fork grab, while a hydraulic excavator is in operation.
2. Post a conductor at the worksite who controls the work.
3. Avoid a sudden and fast swing of hydraulic excavators.

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Excavator not enough capacity for weight heavily steel plate

Excavator not enough capacity for weight heavily steel plate

Any accident foreseen in this frame?

In the construction of provisionally closing a dam, a hydraulic excavator is lifting up those steel plates that were spread over the embankment in order to load them on a truck waiting at the back. The size of one such plate is 6,000 mm in length x 1,500 mm in width x 20 mm in thickness.

Now what accident do you anticipate occurring in this frame?

This is the accident resulted!

The hydraulic excavator lifted up a steel plate and began to swing to the right, when the left undercarriage was floated and fell into the lake together with the operator. He was drowned.

Tips for forestalling similar accidents

1. Use a special mobile crane with an ample capacity.
2. Observe the provisions set forth in the Article 164 of Ordinance on Industrial Safety and Health, when using a hydraulic excavator in lieu of cranes for lifting cargos.

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Take notice above your head when lift heavy concrete pip

Take notice above your head when lift heavy concrete pipe

Any accident foreseen in this frame?

A hydraulic excavator lifts up a concrete pipe weighing approx. 1.2 tons with a hook attached to the bucket and is about to lower it to a 4.7 meter-deep gutter for burial.

Now what accident do you anticipate from this picture?

This is the accident resulted!

While it was lowered, the concrete pipe hit a brace for the gutter. The wire rope slackened momentarily and let itself slip off the hook. It went straight down, directly hitting a worker below. He was killed.

Tips for forestalling similar accidents

1. Do not make an unauthorized use of the hook attached to hydraulic excavators.
2. Carry out a check of the hook prior to the start of the day's work.
3. Always take good care of a latch system for the hook.
4. Limit the max. lifting weight to less than 1 ton. And do not exceed the machine's max. lifting capacity, either.
5. Do not go under hung object, while in operation.

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Stop the engine and pull out the ignition key, Have to remember

Stop the engine and pull out the ignition key, Have to remember

Any accident foreseen in this frame?

An operator leaves his hydraulic excavator with the engine running. He wants to fetch a slinging clamp that was left unattended and puts it at the foot of the operator's seat for transportation.

Now what accident do you anticipate from this picture?

This is the accident resulted!

When the operator put down the clamp on the floor, he placed it on the left travel control pedal by mistake. That started the machine to move backward and turn to the left. He was run over by the undercarriage and killed.

Tips for forestalling similar accidents

1. When leaving a construction machine, lower the bucket to the ground, stop the engine and pull out the ignition key.
2. Do not bring in any unnecessary items.

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Another sittuation of crane not enough capacity

Another sittuation of crane not enough capacity

Any accident foreseen in this frame?

A hydraulic excavator was employed in an underground construction work. Workers are trying to pull it up with another hydraulic excavator. The former weighs 2.7 tons and the latter 11.5 tons.

Now what accident do you anticipate from this picture?

This is the accident resulted!

The larger hydraulic excavator lifted up the small one and tried to swing, when the former lost balance all of sudden and fell off the ground. The lifting operator jumped out of the machine to escape the danger in vain. He was killed, sandwiched between the fallen machine and the wall.

Tips for forestalling similar accidents

1. If an object weighing over 1 ton is to be lifted up, be sure to use a crane, not a hydraulic excavator.
2. When lifting up an object under 1 ton using a hydraulic excavator, observe the instructions set forth in the Article 164 of Ordinance on Industrial Safety and Health Law.

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Take far away from the excavator, keep in mind

Any accident foreseen in this frame? 

 A hydraulic excavator is construction a 4 -meter wide forestry road. A mountain is on the left side and a valley is on the right side. A worker is just about to pass through between the mountain and the machine.

Now what accident do you anticipate from this picture? 

This is the accident resulted!

While the worker was still walking through, the operator swung the machine, not noticing him. He was hard pressed against the slope with the swinging counterweight and crushed to death.

Tips for forestalling similar accidents

1. Make sure that nobody gets within the reach of the swinging upper structure.
2. Put up a barricade to prevent an entry.
3. Assign a work conductor to the construction site.

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Do you forgot turn off the engine of excavator

Any accident foreseen in this frame?

With a hydraulic excavator, an operator worker is leveling the earths that have been carried over there by a dump truck. Now that the driver of the dump truck calls him, he stops the work and steps down from the operator's seat.

Now what accident do you anticipate from this picture? 

This is the accident resulted!

The operator wore a windproof jacket, as it was in the cold season. When he was getting off, a fastening string got caught with the swing control lever, which automatically sent the machine swinging to the left. He was then caught up in between the swinging upper structure and the undercarriage, and killed.

Tips for forestalling similar accidents

1. Take precautions for safety relative to machines such as lowering the bucket to the ground, stopping the engine, pulling out the engine starting switch key, locking the control levers, etc., when leaving the operator's seat of construction vehicle like a hydraulic excavator in this instance.
2. Wear working clothes neatly so that any part of them will not get caught with machine devices like control levers. Be sure to button the sleeves and hems as well as fasten a string.
3. Conduct intensive safety training and education for operators of construction vehicles.

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Accident with lifting rock up by excavator

Any accident foreseen in this frame?

With a hydraulic excavator, an operator worker is digging a gutter for a city water pipe in a 4.1-meter wide road. He has dug out a boulder weighing approx. 200 kg. He is lifting it up with a chain and wire rope fixed to the bucket to load it on a truck, while another worker watches the work nearby.

Now what accident do you anticipate from this picture? 

This is the accident resulted!

The boulder slipped off the chain loop, because it was hung with a single chain and lost equilibrium. The falling boulder hit the worker and killed him.




Tips for forestalling similar accidents
1. Lifting an object with a bucket is not the primary application of hydraulic excavators or the like. If it definitely becomes necessary to use them that way, observe the instructions set forth in the Article 164 (164-2-1 and 2, 164-3) of Regulation on Industrial Safety and Health.
Furthermore determine a set of signals for the work like the one cited above and appoint a signalman in advance, whose instructions the others follow in the work.
2. Never allow anybody to get close to the area at a worksite where he/she might be injured, should a hung object fall off.
3. When slinging work is required, thoroughly examine a sling, slinging work process, etc. beforehand and make sure that the conclusions reached be followed without fail.

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Safety unload mini hydraulic shovel on a truck

Any accident foreseen in this frame?

An operator is trying to load a mini hydraulic shovel on a truck. His unique method of loading in such a case is; first of all he does not use ramps, but instead hang the tip of the undercarriage on the edge of a truck body with the help of the boom and arm, NEXT swing the upper structure to face the rear, then lift up the rear part of the machine again with the help of the boom and arm, and lastly let the machine travel forward to the center of the truck body.

Now what accident do you anticipate from this picture?

This is the accident resulted!

When the operator swung the upper structure to the right, the machine was thrown off the balance and rolled over to the left side. He was thrown out of the operator's seat then and killed under the fallen machine.

Tips for forestalling similar accidents

1. For transportation of construction vehicles, prepare for a special truck as well as use ramps for loading and unloading for the purpose of assuring safety.
2. Appoint a conductor for the work of loading and unloading of construction vehicle from a truck or trailer. All the parties concerned will follow his/her instructions. The conductor will decide the work procedures and method, and then have everyone understood them.
3. Implement safety education and training, in course of which various hazards resulting from the work and their causes are clearly indicated, so that the workers' safety awareness may be enhanced.

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Do not allow any worker to operate construction vehicles without license

Any accident foreseen in this frame?

In a material stock yard, an operator worker A and another worker B are working in pair using a hydraulic excavator. Their job is to paint the surfaces of the I-beams one by one that are stacked up there. First the topside of an I-beam is painted. Then it is turned over with a lateral slinging clamp hung to a hook fixed to the bucket of the hydraulic excavator and the rear side is painted. After painting on both sides, it is stacked up using the same clamp.
The operator A has finished a special training course for operating movable type cranes, but has yet to finish a training course for operating construction vehicles, and so far has little experiences with them.
Now what accident do your anticipate from this picture? 

This is the accident resulted?

The worker B was trying to unfasten the clamp from an I-beam that has finished painting, when the inexperienced operator A moved the bucket control lever by mistake. The bucket hit the worker B hard on the chest and killed him.

Tips for forestalling similar accidents

1. Do not allow any worker to operate construction vehicles without the required license.
2. Post a signalman where a job obliges a worker to enter and there is the danger of bodily injuries to him/her by a possible contact with a construction machine in operation.
3. Do not allow a construction machine to be used for any other purpose than its primary application.

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Take notice in any work on the site construction

Any accident anticipated in this frame? 

A hydraulic excavator is traveling in a sewage treatment plant. Because of the soft ground, steel planks with the size of 1.5 m in width x 6 m in length and 1.6 ton in weight each are used to support the weight of the machine. It has reached the end of the planks and is about to make a right turn. Then a worker steps on one of the planks to cross the ground.

Now what accident do you anticipate from this picture?

This is the accident resulted!

The hydraulic excavator made a pivotal turn to the right, when a broken part of the track shoe assembly hooked the floating edge of the steel plank on which the worker stood. Now that the machine was moving rearward, it further pulled up the plank, tossing him off. He was then prostrated under the heavy plank and crushed.

Tips for forestalling similar accidents

1. Check at a pre-operation inspection or a periodic voluntary inspection if there is any broken part on an undercarriage. If any, take necessary actions for the repair.
2. Level the ground before placing steel planks to assure they are set as evenly as possible.
3. Provide a separate passage for pedestrians and machines. If that is impractical due to the limited space, post a traffic controller in such a spot, who regulates the traffic, showing a priority.

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Another sittuation of unload mini shovel from the truck

Any accident foreseen in this frame?

An operator worker is about to load a mini excavator on a truck at the construction site of a housing complex. Because ordinary ramps are not available, he uses two plates originally used as concrete formwork. One of them is 17 cm in width x 1.6 m in length in size and the other is 17 cm in width x 1.45 m in length.
Meanwhile another worker is collecting the scattered shreds of construction materials to clean the site.


Now what accident do you anticipate from this picture?



This is the accident resulted!

A moment before the mini hydraulic excavator finished climbing over the edge of the truck, it suddenly lost balance and fell off on the ground on the right side. The operator jumped out of the machine unhurt in time, but the worker was crushed under the fallen machine.


Tips for forestalling similar accidents

1. Choose ramps best suited to construction vehicle, when loading and unloading them on a truck or trailer, and install them securely in the truck/trailer at an angle lower than 15 degrees.
2. Post a conductor for the work, while off-limiting the working area.
3. Determine working procedures as well as method for the work beforehand, and make sure that they are disseminated among those concerned.

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Make out working procedures for machine inspection, maintenance, refueling

Any accident foreseen in this frame?

An operator worker is ready to start digging a U-shaped gutter at the construction site of a park, using a small size hydraulic excavator. It is in the morning, and there comes another worker this way with a polyethylene fuel container. He is supposed to fill the machine with fuel before the day's work.
Unable to start the engine, the operator is waiting for him impatiently in the operator's seat. By the way an overhead acryl plate for protection is missing at the operator's side of the machine, since it had been broken and removed for replacement.


Now what accident do you anticipate from this picture?



This is the accident resulted!

While he was watching him filling fuel, he inadvertently touched the bucket control lever, which let down the bucket. He was caught in between the falling boom and one of the cab guard pillars and killed.


Tips for forestalling similar accidents

1. Should any of the protective devices be removed from construction vehicle, reinstall it immediately and never use them until after it is in place.
2. Make out working procedures for machine inspection, maintenance, refueling, etc. for safety assurance, and see that they are observed without fail.
3. If it cannot be avoided to carry out works under a raised bucket, secure it with support pillars or blocks to ensure safety.
4. Implement education and training for safety in machine inspection, maintenance, refueling, etc.
5. Create an organization responsible for inspection and maintenance that includes voluntary inspection of the machines.

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