Case Name |
The slab-type objects fell during concrete installation. |
Pictograph |
|
Date |
1976 |
Place |
Fukuoka Prefecture |
Location |
Construction work |
Overview |
This failure is a case in a construction work. The slab-type object fell during concrete installation and it was nearly a terrible accident. |
Incident |
The slab-type object fell under concrete installation. |
Sequence |
During the construction work, a slab-type frame fell during concrete installation and it became nearly a terrible accident. ( for cost of repairing : \ 3 million ) |
Cause |
Mold maker should be supported two object, but it had been only single position which fallen. |
Response |
After the falling part had been removed, molds was constructed in frame timber supported two position, and the concrete was recanted. |
Countermeasures |
1) The confirmation of drawings in the prior review meeting. 2) The full confirmation by the manager. 3) The completeness of the education to workers. |
Knowledge Comment |
The importance of the prior review meeting. The importance of the confirmation. The importance of the education. |
Reason for Adding to DB |
This accident would have been a large-scale disaster, if someone had taken one wrong step. |
Scenario |
Primary Scenario
|
Ignorance of Procedure, Disregard of Procedure, Insufficient Analysis or Research, Insufficient Prior Research, Poor Concept, Poor Strategy or Concept, Organizational Problems, Inflexible Management Structure, Organizational Problems, Poor Management, Usage, Maintenance/Repair, Regular Operation, Erroneous Operation, Failure, Fracture/Damage, Loss to Organization, Economic Loss, Loss to Organization, Social Loss
|
|
Sources |
KUMAGAI GUMI CO.,LTD Kyushu branch failure example utilization workshop.
|
Number of Deaths |
0 |
Number of Injuries |
0 |
Field |
Civil Engineering
|
Author |
Fujimoto Masaru (KUMAGAI GUMI Co., Ltd.)
|