Trabajos de excavación

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La presente norma es aplicable a todas las actividades de excavación realizadas en el acondicionamiento de las instalaciones de la obra a cielo abierto, no considerándose por lo tanto las excavaciones subterráneas y túneles por su especial naturaleza, y tiene por objeto establecer las condiciones mínimas de seguridad para protección de las y los trabajadores de los riesgos que se presentan al realizar trabajos de 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