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MNM Serious Accident Alert Surface - Structure

PDF Version
april-19-2017.pdf (176.25 KB)

Surface Sand and Gravel – The scrubber tower located at the mine structurally failed moments after a miner traveled through the area. Four main support columns failed, causing the scrubber tower to be unstable.

MNM Serious Accident Alert Surface - view of the structure where the fatality occured
MNM Serious Accident Alert Surface - view of the structure where the fatality occured
Best Practices
• Periodically conduct structural inspections.
• Routinely examine metal structures for indications of weakened structural soundness, including corrosion, fatigue cracks, bent/buckling beams, braces or columns, loose/missing connectors, broken welds, etc.
• Ensure supports are rated for the loads to which they may be subjected.
• Report all areas where indicators of structural weakness are found.
• Maintain good housekeeping around the base of structures, columns and flanges, as well as awnings and horizontal surfaces.