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  • Hanford ventilation stack falls in explosive demolition

    The 200-foot-tall, concrete ventilation stack at Hanford's Plutonium Finishing Plant came crashing down Saturday with the help of explosives. The stack was used at the Cold War-era plant for 68 years.

The 200-foot-tall, concrete ventilation stack at Hanford's Plutonium Finishing Plant came crashing down Saturday with the help of explosives. The stack was used at the Cold War-era plant for 68 years. Courtesy: DOE
The 200-foot-tall, concrete ventilation stack at Hanford's Plutonium Finishing Plant came crashing down Saturday with the help of explosives. The stack was used at the Cold War-era plant for 68 years. Courtesy: DOE

200-foot Hanford stack falls with help from explosives

July 17, 2017 10:30 AM

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  • Workers take down Plutonium Reclamation Facility Canyon

    This video from November shows demolition of the north wall of the canyon, allowing heavy equipment to begin removing strong backs from the walls. Strong backs are brackets from which pencil-shaped processing tanks once hung. It also shows the array of dust suppression tools, each spraying water from a different angle to help control radiological contamination during demolition.