At what depth does an excavation generally require a protective system such as sloping, shoring, or shielding to protect workers from cave-ins?
a.3 feet or more
b.5 feet or more
c.2 feet or more
d.10 feet or more
Explicación
1926.652 and T8 §1541.1 require cave-in protection for excavations 5 feet deep or more, unless made entirely in stable rock. A protective system may also be required shallower if a competent person sees potential for cave-in.
Referencia Legal: 29 CFR 1926.652(a) / T8 CCR §1541.1Practica las 1632 preguntas gratis — sin registro.
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Revisado por Abraham Chen — Licensed California General Contractor (CSLB License #1101856 — verificar)