A competent person inspecting a trench notices water seepage and minor soil movement. Under Cal/OSHA excavation standards, what action is required?
Correct Answer
D) Remove workers from the trench immediately
Cal/OSHA Section 1541 requires immediate removal of workers from trenches when hazardous conditions such as water accumulation or soil movement are observed.
Why This Is the Correct Answer
Cal/OSHA Section 1541 mandates immediate worker evacuation when hazardous conditions like water seepage and soil movement are detected in trenches. These conditions indicate potential cave-in risks that could cause serious injury or death. The competent person must prioritize worker safety by removing all personnel from the trench before attempting any corrective measures. Worker protection takes absolute precedence over continued operations.
Why the Other Options Are Wrong
Option A: Install additional shoring
Installing additional shoring while workers remain in the trench exposes them to immediate danger from potential cave-ins. Cal/OSHA requires worker removal first, then assessment and corrective action. Attempting repairs with personnel present violates safety protocols and increases risk of injury or fatality.
Option B: Continue work with increased monitoring
Continuing work with increased monitoring ignores the immediate hazard posed by water seepage and soil movement. These conditions indicate imminent cave-in potential that cannot be mitigated through observation alone. Cal/OSHA standards require immediate evacuation, not continued exposure to dangerous conditions.
Option C: Reduce the number of workers in the trench
Reducing worker numbers still leaves personnel exposed to cave-in hazards from water seepage and soil movement. Cal/OSHA standards do not allow any workers to remain in trenches with these dangerous conditions present. Complete evacuation is required regardless of the number of workers involved.
Memory Technique
Remember 'WATER MOVES = WORKERS MOVE OUT' - when you see water seepage and soil movement, workers must immediately move out of the trench.
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