MSHA Issues Confined Space Safety Alert

The Mine Safety and Health Administration (MSHA) issued a safety alert for confined spaces. Between 2017 and 2020, three miners were fatally injured after entering confined spaces to clear material and obstructions. These confined spaces included a sand and gravel bin, a sand-filled hopper, and a cone crusher. All three miners were engulfed by falling material.

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MSHA Reports 14th Fatality

The Mine Safety and Health Administration (MSHA) reported that on Aug. 26, two miners at Chilton Inc., Cowlitz, Wash., were preparing a mobile track-mounted jaw crusher for shipping off-site. The crusher was missing the upper wrist pin from the hydraulic cylinder that raises and lowers the right hopper extension. The right hopper extension was secured in place by wedges. The victim was…

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