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Excavaciones vs. Zanjas: Definiciones y la Magnitud del Peligro

OSHA defines a trench as a narrow excavation whose depth exceeds its width and whose bottom width does not exceed 15 feet [S1].
OSHA defines a trench as a narrow excavation whose depth exceeds its width and whose bottom width does not exceed 15 feet [S1].
Una pared de zanja puede colapsar repentina y sin previo aviso. Los trabajadores en el fondo no tienen tiempo para apartarse. Una sola yarda cúbica de tierra pesa más de 3,000 libras —equivalente a un automóvil compacto— y es suficiente para aplastar y asfixiar fatalmente a una persona [S4].
✓ Knowledge Check

According to OSHA's definition, which of the following correctly describes a trench?

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