Update on Demolition Strategy and Progress at Hanford's Plutonium Finishing Plant - 17161

Conference · Sat Jul 01 04:00:00 EDT 2017

OSTI ID:22794561

Bratvold, Tom ^[1]

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1. CH2M HILL Plateau Remediation Company, Richland, Washington (United States)

U.S. Department of Energy (DOE) contractor CH2M HILL Plateau Remediation Company (CH2M) is currently demolishing the Plutonium Finishing Plant (PFP). The facility is located on the Hanford Site and produced plutonium metal during the Cold War. Production was stopped in 1988, the facility was formally shut-down in 1996 and material processing completed in 2004. In November 2016, the project team, partnering with DOE-Richland Operations Office (DOE-RL) began demolition of the building. CH2M and DOE-RL will demolish PFP as a Hazardous Category II nuclear facility (HazCat II). The PFP is considered one of the most hazardous buildings on the Hanford site; employees have performed some of the most hazardous work anywhere across the DOE Environmental Management complex. Since 2008, employees have removed much of the plutonium-processing infrastructure. Four main buildings make up the majority of the PFP complex. As of November 2016, one building is undergoing demolition, another is ready for demolition and, concurrently, demolition preparations continue in the remaining two buildings. That hazard mitigation work includes removing contaminated ventilation duct work, process lines and performing asbestos abatement. To ensure safe and compliant demolition, CH2M employees researched, trained and deployed personal protective equipment never before used on the Hanford Site to complete some of the most hazardous demolition preparations. Project management commissioned the development of an air dispersion model that dictated ready-for-demolition criteria and established conservative demolition parameters. Management also sequenced project work to allow demolition to occur while demolition preparations continue a safe distance away in adjacent buildings. This paper will allow CH2M and DOE-RL to share lessons learned and progress to date with other complex and hazardous projects across the DOE complex. (authors)

• Research Organization: WM Symposia, Inc., PO Box 27646, 85285-7646 Tempe, AZ (United States)
• OSTI ID: 22794561
• Report Number(s): INIS-US--19-WM-17161
• Country of Publication: United States
• Language: English

Related Subjects

12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
DEMOLITION
NUCLEAR FACILITIES
PLUTONIUM
REMEDIAL ACTION