(WASHINGTON, D.C.) – The Department of Energy/National Nuclear Security Administration’s (DOE/NNSA) Uranium Processing Facility (UPF) Project continues to make substantial progress with the recent completion of the UPF Construction Support Building (CSB) at the Y-12 National Security Complex in Oak Ridge, Tennessee.

U.S. Rep. Chuck Fleischmann, DOE Deputy Secretary Dan Brouillette, NNSA Administrator Frank Klotz, and Y-12 and UPF senior officials took part in a ribbon-cutting ceremony at the CSB today.

The completion of the $27.5 million CSB on time and $5 million under budget marks a major milestone in the UPF Project, which will replace an early-Cold War plant with a modern, more efficient, and safer facility for conducting highly-enriched uranium operations at Y-12.

“I am honored to be here to see UPF’s progress and to celebrate the timely and cost effective completion of the Construction Support Building,” said Brouillette. “Today’s ceremony recognizes an important step toward delivering UPF and strengthening our nation’s nuclear security.”

“UPF is a vital part of modernizing our nuclear infrastructure to meet national security needs now and well into the future,” said Klotz. “What an incredible feat for an acquisition project of this size and scope to remain on budget and on schedule for five consecutive years! It exemplifies the increased rigor and discipline DOE and NNSA are now bringing to the design and execution of all large capital construction projects.”

Using a “build to budget” strategy, NNSA has committed to Congress to provide these facilities by 2025 for no more than $6.5 billion, assuming stable funding through the duration of the project.

The 65,000 square-foot Construction Support Building will provide office space for more than 300 UPF project personnel. It is the first permanent structure for the UPF Project and the first building at Y-12 with a LEED Gold Certification.

When construction of the UPF Project is completed, the three-story facility will continue to be used as much needed office and warehouse space for the UPF site.

In September, the overall UPF project achieved 90 percent design completion on the nuclear work, a major prerequisite for starting construction on the nuclear facilities. On Nov. 9, NNSA approved the Preliminary Documented Safety Analysis, demonstrating the UPF design is compliant with Departmental orders and requirements.


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Established by Congress in 2000, NNSA is a semi-autonomous agency within the U.S. Department of Energy responsible for enhancing national security through the military application of nuclear science. NNSA maintains and enhances the safety, security, and effectiveness of the U.S. nuclear weapons stockpile without nuclear explosive testing; works to reduce the global danger from weapons of mass destruction; provides the U.S. Navy with safe and effective nuclear propulsion; and responds to nuclear and radiological emergencies in the U.S. and abroad. Visit nnsa.energy.gov for more information.