Text For Citation: 02 Item/Group: 002B Hazard:

29 CFR 1926.652(a)(1): Each employee was not protected from cave-ins by an adequate protective system designed in accordance with paragraph (b) or (c) of this section: (a) On or about October 7, 2019, for the employees exposed to cave-in and struck-by hazards while installing water supply pipe in a trench approximately 9 feet deep with near-vertical walls while working outside the trench box and the manufacturer's tabulated data for the trench box in use was not followed with the spreaders not being installed flush with the sides of the trench box, for the water transmission line 19-01 project, in the vicinity of STA 54+50, near the intersection of 66th Street SE & Apple Creek Road in Bismarck, North Dakota. (b) On or about October 8, 2019, and at times prior, for the employees exposed to cave-in and struck-by hazards while installing water supply pipe in a trench approximately 11 feet deep where employees were working outside the trench box, were exposed to near-vertical walls on the trench box ends, and the manufacturer's tabulated data for the trench box in use was not followed as the spreaders were not installed flush with the sides of the trench box, for the water transmission line 19-01 project, in the vicinity of STA 56+50, near the intersection of 66th Street SE & Apple Creek Road in Bismarck, North Dakota. (c) On or about October 8, 2019, for the employees exposed to cave-in and struck-by hazards while installing water supply pipe in a trench approximately 10 feet deep where sloping or benching was not sufficient with the first bench being approximately 6 feet in height, for the water transmission line 19-01 project, in the vicinity of 58+50 to STA 59+60, near the intersection of 66th Street SE & Apple Creek Road in Bismarck, North Dakota. (d) On or about October 9, 2019, and at times prior for the employees exposed to cave-in and struck-by hazards while installing water supply pipe in a trench approximately 9 feet 6 inches deep, where the trench side wall had one 2 foot 6 inch wide bench, for the water transmission line 19-01 project, in the vicinity of STA 65+47, near the intersection of 66th Street SE & Apple Creek Road in Bismarck, North Dakota.