| Case Name |
The worker's being about to hit the heavy equipment. |
| Pictograph |
|
| Date |
2001 |
| Place |
Mitsui in Ichinomiya City, Aichi Prefecture. |
| Location |
The field of newly constructed bridge. |
| Overview |
The dump truck backed in order to carry the mining surplus soil while the heavy equipment and the worker did the bedded work in order to install the drainpipe, and the mining surplus soil was loaded to the dump truck. When the operator turned the backhoe at the bedding place in order to start the mining and bedding work then, the assistant woker was almost hit the bucket of the backhoe.It was the Near Miss case. |
| Incident |
The bucket of turning backhoe was almost hit the assistant worker. |
| Sequence |
The dump truck backed in order to carry the mining surplus soil while the heavy equipment and the worker did the bedded work in order to install the drainpipe, and the mining surplus soil was loaded to the dump truck.
When the operator turned the backhoe at the bedding place in order to start the mining and bedding work then, the assistant worker was about to be hit by the bucket of the backhoe, and the operator immediately stopped turning and avoided the hit. |
| Cause |
* The operator turned it without confirming the safety of mining and bedding place.
* The operator had not thought that the worker was at the mining and bedding place.
* In the turning start position, the operator on the driver's seat could not see the worker.
* The worker did not think that the backhoe turned.
* The worker thought that the operator of the backhoe had noticed the worker.
* They worked without posting guards for the heavy equipment work.
* They each forgot KY in the morning.
* The operator turned withoutpointing workers and calling their names.
* They did not establish the measuure of stopping entering into heavy equipments' turning range. |
| Response |
* The heavy equipment operator should carry out strictly cpointing workers and calling their names.
* The worker should not enter into heavy equipments turning range. |
| Countermeasures |
* Wokers should be taught so that they may not enter into heavy equipments turning range when heavy equipment was operated.
* They should establish the measuure of stopping entering into the heavy equipment's turning range.
* They should confirm the safety of the work range, when it is newly started.
* They should strictly enforce one person KY if the contents of the work change.
* They should strictly carry out pointing workers and calling their names. |
| Knowledge Comment |
* Wokers are apt to approach heavy equipments.
* They should think that there are people present when visibilty is blocked.
* Stop entering into the turning range.
* Workers aren't apt to find before heavy equipment approches. |
| Background |
* Because there had not been a heavy equipment until a little while before, he thought that there was not a heavy equipment also at that time.
* The operator perfectly forgot the worker.
* He hurried for that day's target.
* He considered other things.
* The worker had thought that the heavy equipment operator noticed.
* The worker did not think that it turned immediately.
* The worker did not find that the place was the turning range of the heavy equipment. |
| Incidental Discussion |
It is frequent that heavy equipment and workers cooperatively work in the same field at the same time. That is why, we can say that the probability of such a disaster as heavy equipment's hitting workers is very high. |
| Reason for Adding to DB |
It is the representative case that shows that the probability of the danger is very high, as heavy equipment and workers work cooperatively. |
| Scenario |
| Primary Scenario
|
Poor Value Perception, Poor Safety Awareness, Ignorance of Procedure, Disregard of Procedure, Regular Movement, Dangerous Movement, Regular Movement, Dangerous Movement, Regular Movement, Dangerous Movement, Possible Damage, Near Miss
|
|
| Sources |
From Ichitech Co.,Ltd. Hiyari-Hatto examples.
|
| Multimedia Files |
Fig2.Mining and loading work
|
| Field |
Civil Engineering
|
| Author |
IKAI, Seiji (ICHITEC CORPORATION)
BABA, Kanji (ICHITEC CORPORATION)
KUNISHIMA, Masahiko (The University of Tokyo)
|
