Fatality Alert Issued After Contractor Death at California Cement Plant

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The Mine Safety and Health Administration (MSHA) has issued a fatality alert to all U.S. mines following a January 6 incident that killed a contract worker at the Lebec cement plant in California. The worker was fatally struck by a motor and gearbox assembly while removing a baghouse slide gate. MSHA has outlined a series of best practices for miners to prevent similar accidents, including blocking machinery against hazardous motion, verifying worker locations, and properly securing assemblies to prevent unexpected movement.

Why it matters

This incident highlights the ongoing safety challenges in the mining and cement production industries, where contract workers can be exposed to hazardous equipment and energy sources. MSHA's alert aims to prevent future fatalities by sharing lessons learned and emphasizing the importance of comprehensive safety training and procedures.

The details

According to MSHA, the January 6 incident occurred at the Lebec cement plant, which is owned by Vicat SA. The agency said the contractor was fatally struck by the motor and gearbox assembly while removing a baghouse slide gate. In response, MSHA has issued a series of best practices for miners, including blocking machinery or equipment against hazardous motion before maintenance or repairs, verifying that miners are in a safe location and away from potential 'red zone' areas, securing assemblies to prevent unexpected movement, and using proper tools to identify and control all stored energy sources, including gravity.

• The incident occurred on January 6, 2026.
• MSHA recently released the fatality alert to all mines across the U.S.

What’s next

MSHA is currently conducting a final investigation into the incident and plans to release a full report on its findings.