FLOOR, ROOF AND WALL OPENINGS TO BE GUARDED – COVERS SECURED IN PLACE TO PREVENT ACCIDENTAL REMOVAL OR DISPLACEMENT Cal. Code Regs, tit. 8, § 1632(b)(3) (2015) – Employer did not act with due diligence because it failed to discover the hazard posed by an unsecured floor cover, even though it knew that an employee would be working in the area.
