SeguridadPregunta 1273 de 1605
When a portable ladder is used to access an upper landing surface, the side rails must extend at least how far above the landing?
a.5 feet
b.6 inches
c.3 feet
d.1 foot
Explicación
1926.1053(b)(1) requires the ladder side rails to extend at least 3 feet above the upper landing surface, or be otherwise secured/gripped so the user can maintain a firm handhold.
Referencia Legal: 29 CFR 1926.1053(b)(1)Practica las 1605 preguntas gratis — sin registro.
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Revisado por Abraham Chen — Licensed California General Contractor (CSLB License #1101856 — verificar)