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01. |
価値観不良 |
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02. |
安全意識不良 |
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03. |
安全対策不足 |
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04. |
組織運営不良 |
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05. |
管理不良 |
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06. |
管理の緩み |
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07. |
調査・検討の不足 |
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08. |
事前検討不足 |
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09. |
作業・工程検討不足 |
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10. |
定常操作 |
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11. |
誤操作 |
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12. |
H型鋼の同方向積み重ね |
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13. |
定常操作 |
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14. |
誤操作 |
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15. |
ジャッキ設置箇所に補強リブ未設置 |
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16. |
破損 |
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17. |
変形 |
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18. |
座屈 |
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19. |
身体的被害 |
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20. |
死亡 |
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広島新交通システムの橋桁落下
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◆ |
知識化コメント |
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H鋼は同じ方向に、「絶対に!」積み重ねるな |
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