Unplanned Fire Sprinkler Head Activation

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Type:  Lessons Learned

Publisher:  Consolidated Nuclear Security, Y12 National Security Complex, Oak Ridge, TN


Topics:  Fire Protection

On November 16, 2016, a sprinkler head unexpectedly activated in a duct within the plant laboratory. After it was determined that there was no fire hazard, the water supply was isolated and the activated head was replaced. Observation of the sprinkler head revealed that the two arms of the sprinkler head had severed midway between the base and the deflector. When installing fire sprinkler heads in corrosive environments, special attention should be paid to the chemicals that the sprinkler head will be exposed to. Sprinkler head manufacturers offer a variety of studies and advise to aid the design engineer in matching the appropriate sprinkler head to the environment it protects.

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