Safety Alert: Longwall Recovery Accidents

December 4, 2017 Tara

From September 1996 to November 2017, the mining industry experienced five fatal
accidents when a section of the face or roof fell and struck miners positioned between the
longwall face conveyor and coal face. The miners were in this location performing work,
such as shoveling coal or installing supplemental support for the face and roof to aid
recovery of the longwall equipment.


– Examine the roof, face and ribs, including sound and vibrations tests, from a safe,
supported position during pre-shift examinations and periodically as work is performed
and as conditions warrant.

– Correct hazardous roof, face, or rib conditions before any work or travel is permitted in
the affected area:
o Support the exposed longwall roof, and face, by mechanical means in the
immediate work area.
o From a safe location beneath support, use a bar of suitable length and design to
remove loose or unconsolidated material.
o Remove slipping and tripping hazards from the work area.

– Follow all roof control plan parameters when performing work around the longwall face

– Task train all miners to recognize all hazardous conditions on the longwall face and
how to safely abate the hazard before beginning work.

– Notify the headgate operator, de-energize the face conveyor and the shield control
units, and disconnect and lock out power at the control station before work is performed
on the face conveyor (pan). Adequately support the pan from inadvertent movement.  Do not re-energize equipment until all persons are in the clear and off the face side of
the pan.

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