Company Name __________________________ Job Name __________________________ Date________
excavation cave-ins account for a number of fatalities and serious injuries
within the construction industry. For
this reason, many serious considerations must be made while trenching or
What are the major
causes of cave-ins? Inadequate
shoring, improper slopes on banks, poor analysis of soil conditions, defective
shoring materials, nearby loads, vibrations and weather conditions.
precautions can and must be taken to help eliminate excavation hazards.
The first step is
to check for and locate any underground utilities or other buried items.
Then, the soil conditions must be carefully evaluated to determine the
protective system needed.
Wear your hard hat
at all times. Also wear rugged
boots to protect your feet.
banks to their proper slope ratio. Where
necessary, straight banks should be shored.
Weather conditions can greatly affect sloping and shoring.
piled nearby can increase the pressure on trench or excavation walls.
Keep heavy equipment and materials such as pipe and timbers well away
from the excavation site. Maintain
a minimum of two feet between any materials, including the spoils pile and the
edge of the trench.
equipment passing by can contribute to cave-ins by loosening the soil.
Any soil vibration can endanger a shoring system.
Compaction operations cause vibration; therefore, check soil conditions
before, during and after compaction. A
Competent person is to inspect shoring systems daily.
Since quick exits
are a must, ladder are to be located no more that 25 feet away from any worker.
Ladders must extend from the floor of the excavation to 3 feet above the
top and must be secured at the top.
DON'T PLAY GUESSING GAMES WITH A TRENCH EXCAVATION.
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