The Department of Energy’s Office of Environmental Management (EM) has released an animated video of the Direct-Feed Low-Activity Waste (DFLAW) Program at the Hanford Site near Richland, Wash. The video shows the integrated procedure for treating Hanford’s radioactive tank waste, a process EM says is a key component of its strategic cleanup vision.

View the animation here.

The Department of Energy is celebrating a major milestone in its tank waste mission at the Hanford Site near Richland, Wash. DOE tank operations contractor Washington River Protection Solutions has finished construction of the pipeline that will carry treated waste from an underground tank to the Waste Treatment and Immobilization Plant (WTP) for vitrification.

As the workers at Hanford’s Waste Treatment and Immobilization Plant (WTP) move closer to starting up the first of two melters inside the plant’s Low-Activity Waste (LAW) Facility, plant contractor Bechtel National has launched the Journey to Melter Heatup website that explains the WTP commissioning process, including critical activities such as the loss-of-power test and the melter heatup process.

Workers retrieve waste from a single-shell tank at the Hanford Site earlier this year. Photo: DOE

The Department of Energy’s Office of Environmental Management (EM) has issued a draft request for proposals for the new Integrated Tank Disposition Contract at the Hanford Site near Richland, Wash. The 10-year, $26.5 billion contract will replace the Tank Operations Contract currently held by Washington River Protection Solutions, and the scope will be expanded to include the operation of the Waste Treatment and Immobilization Plant (WTP) after radiological, or “hot,” commissioning of the plant is completed.

The DOE had awarded a tank closure contract to a team led by BWX Technologies in May of last year, but later rescinded that decision after protests were raised by the two losing contract bidders.

About 56 million gallons of radioactive waste is contained in Hanford’s 177 aging underground tanks. The WTP, which is still under construction, will vitrify the waste after it has been separated into low- and high-activity waste streams.

The Department of Energy’s Office of Environmental Management has not followed best practices or DOE policy in pursuing alternatives for pretreating radioactive tank waste at the Hanford Site, near Richland, Wash., according to a report released on May 12 by the Government Accountability Office. The DOE has spent over $400 million since 2013 looking into alternatives to pretreating Hanford’s low-activity waste (LAW), yet the department has not properly defined a mission need or a life-cycle cost estimate for its preferred alternative, according to the report.

The DOE has issued an RFI for operation of the Direct Feed Low-Activity Waste Facilities at Hanford's Waste Treatment and Immobilization Plant. Photo: DOE

The startup of tank waste treatment activities at Hanford’s Waste Treatment and Immobilization Plant took a step forward in April with the Department of Energy’s issuing a request for information for the operation of the WTP Direct Feed Low-Activity Waste (DFLAW) facilities. According to the DOE, the RFI solicits input, via capability statements, from potential contractors with the specialized capabilities necessary to meet all of the major elements of scope for the upcoming competitive procurement for the operation of WTP DFLAW facilities, which will treat and vitrify for disposal low-activity waste from underground storage tanks at the Hanford Site near Richland, Wash.