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Category
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Description
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Hazard
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Standard
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Corrective Action
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VIEW
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Excavations |
The approximately 12-foot 7-inch deep excavation had been dug nearly vertically and no shielding or shoring had been provided to protect employees from the hazards of cave in. |
Cave-in |
29 CFR1926.652(a)(1) |
Properly slope, bench, shore, or sheild trenchs greater than five feet in depth except when made in solid rock. |
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VIEW
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Excavations |
Back-hoe operating while located over the wood cribbing that was placed over the top of the trench box. |
Employees working inside the excavation were exposed to crushing hazards in the event the back-hoe, wood cribbing and the trench box were to collapse. |
5(a)1 |
Conduct a job hazard analysis, which will include calculations of the trench box capabilities, wood cribbing capabilities and soil v/s back-hoe weight load. |
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VIEW
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Excavations |
Employees were working in an excavation 25 feet deep, 30 feet long. and 6 feet wide dug in type "C" soil. The trench shield was 5-7 feet off the bottom of the excavation resting on steps cut into the sidewall. The system had not been approved by a PE. |
Cave-In Hazard: |
29 CFR 1926.652(a)(1)
29 CFR 1926.652(g)(2) |
Remove employees from the excavation, widen the bottom of the excavation, place the trench shield within 2 feet of the bottom of the excavation, slope the side walls to 1 1/2 : 1, and have the system approved by a Professional Engineer |
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VIEW
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Excavations |
Employees working in excavation with a protective system. |
Employees working in excavation with a protective system. |
1926.652 |
A trench box should be install for employee protection. |
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VIEW
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Excavations |
Employees working in excavation, filling with water, without a protective system and precautions from hazard of water. |
Employees working in excavation, filling with water, without a protective system and precautions from hazard of water. |
1926.651 |
Employer should install trench box and appropriate system to remove water. |
