| Case Name |
A fallen rock was about to tackle a workman in a same time work on and under. |
| Pictograph |
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| Date |
November 20, 1999 |
| Place |
The Gifu Prefecture Gujo District. |
| Location |
The country rock slope logging. |
| Overview |
During the work of material logging, when a worker on the upper side tried to throw down the timber without checking the presence of worker under him , a rock near him tumbled down, it was about to tackle the worker under him. |
| Incident |
During material logging work, it became vertical work, and the tumbled down from the work place of the top, and it was about to tackle a worker of the bottom. |
| Sequence |
Around 10am in the morning , during material logging work,when a worker of upper side tried to throw down the timber , a rock close to him tumbled down , it was about to tackle him. |
| Cause |
It became the vertical work.
The Upper worker did not recognize the worker under him.
The worker below did not tell the upper worker that they came into the vertical work. |
| Response |
The arrangement of the worker was changed so that it may not become the vertical work. |
| Countermeasures |
The vertical work must not be done. Work after the fragmented rock is removed. When it comes to vertical work, inform each other about the position of them and the circumference. The protective fence must be placed. |
| Knowledge Comment |
Work arrangements and work methods, etc. must be decided so that it may not become the vertical work. The worker must inform the position where he works. Never work alone, keep you in the sight of others. |
| Background |
The circumference is not visible, when you are absorbed in the work of the self. The safety education for the vertical work was insufficient. |
| Scenario |
| Primary Scenario
|
Organizational Problems, Poor Management, Insufficient Analysis or Research, Insufficient Prior Research, Ignorance of Procedure, Insufficient Communication, Poor Value Perception, Poor Safety Awareness, Regular Movement, Dangerous Movement, Possible Damage, Near Miss
|
|
| Field |
Civil Engineering
|
| Author |
IKAI, Seiji (ICHITEC CORPORATION)
BABA, Kanji (ICHITEC CORPORATION)
|
