Water Plant Blast Cause: Fan Failure

Wednesday, February 3, 2016 @ 12:02 PM gHale

An explosion and fire in a sewage treatment facility in Quincy, MA, that injured five workers was the result of a mechanical failure of an industrial circulation fan.

The state Fire Marshal’s office and the Quincy Fire Department said the fan’s failure led to the release of a sulfur-based dust cloud, which exploded and led to the fire Monday at the Massachusetts Water Resource Authority’s Nut Island Headworks in Quincy.

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The area where the fire occurred is several stories underground.

Five MWRA workers suffered smoke inhalation and ended up treated and released at a local hospital.

The workers were performing maintenance on an odor-control system at the time.

Authorities said there was never any danger to the public.