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>> Log Breakdown, Related Machinery and Facilities |
Log Carriages/Carriage Runways
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A log carriage is framework (mounted on wheels) that runs on tracks
or in grooves parallel to the face of the saw. Carriages also
contain an apparatus that holds a log securely while advancing it
toward the saw.
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Log carriages and carriage runways |
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Hazards/Solutions:
Workers may be struck by the log carriage or other moving
equipment.
- Install a stop or bumper that can tolerate shock at each end of the carriage runway.
1910.265(e)(1)(i)
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End stop for limiting
travel of log carriage
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Log carriage on head rig.
No carriage travel stop barrier.
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Log carriage on head rig.
No carriage travel stop barrier.
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- Guard sheaves on rope-driven carriages with substantial housings.
1910.265(e)(1)(iii)
- Provide a control locking device, carriage
tie-down, or both to prevent
unintended movement of the carriage. 1910.265(e)(1)(iv)
- Provide a barrier to prevent
employees from entering the travel space of the carriage. Post warning signs
at possible entry points
to this area.
1910.265(e)(1)(v)
Secured entrance to log
carriage travel area
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Secured entrance to log
carriage travel area
Unprotected entrance to
log carriage travel area
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- For a rider-type carriage, provide adequate
overhead space above the carriage deck. This applies to the full carriage
runway length. 1910.265(e)(1)(vi)
- Dogging devices must be adequate to secure logs, cants, or
boards, during sawing operations. 1910.265(e)(1)(viii)
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Log carriage knee
and dogging devices
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Workers may slip
and fall if the platform of the carriage is not
stable.
- Rider-type carriages must be floored to provide secure
footing and a firm working platform for the block setter. 1910.265(e)(1)(ii)
Debris on the track rails may
lead to a derailment or other sudden movement that
throws the operator.
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Log carriage - one rail sweep
missing
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