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The Health and Safety Hub for the Mineral Products Industry - aggregates, asphalt, cement, concrete, contracting, dimension stone, lime, precast concrete, masonry, mortar, readymix, recycling, silica sand, transport & logistics

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Power Supply Unit Fire

LOCATION:
CEMENT PLANT
ACTIVITY:
PRODUCTION AND PROCESSING
SUB ACTIVITY:
CEMENT PRODUCTION
ALERT STATUS:
Normal
DATE ISSUED:
06/11/2009
INCIDENT No:
00237

TITLE
Power Supply Unit Fire
COUNTRY OF ORIGIN

WHAT HAPPENED

A fire occurred in an uninterruptable power supply unit (UPS) located in a switchroom near the raw feed hoppers

One of the cells in the battery back up unit failed and initiate a fire in the unit.
The ignition generated a good deal of smoke, but apart from damage to the battery unit, other effects were minimal.

The battery unit was life expired and was running at an ambient temperature above that recommended by the supplier
ACCIDENT / INCIDENT IMAGES
Click image to enlarge

Power Supply Unit


LEARNING POINTS / ACTIONS TAKEN

Units taken out of service until replaced, and housing modified to lower operating temperature.
LEARNING POINTS / ACTIONS IMAGES


LOCATION:
CEMENT PLANT
ACTIVITY:
PRODUCTION AND PROCESSING
SUB ACTIVITY:
CEMENT PRODUCTION
ALERT STATUS:
Normal
DATE ISSUED:
06/11/2009
INCIDENT No:
00237


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