Oak Ridge Today

Kairos Power begins construction on demonstration reactor​

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Kairos Power has started construction on a test nuclear reactor in west Oak Ridge. The Hermes Low-Power Demonstration Reactor is the first of its type to be approved for construction by the U.S. Nuclear Regulatory Commission and the first non-light-water reactor to be permitted in the U.S. in more than 50 years, a press release said. (Image courtesy Kairos Power)

Kairos Power has started construction on a test nuclear reactor in west Oak Ridge.

The Hermes Low-Power Demonstration Reactor is the first of its type to be approved for construction by the U.S. Nuclear Regulatory Commission and the first non-light-water reactor to be permitted in the U.S. in more than 50 years, a press release said.

The NRC approved a construction permit for the test reactor at Heritage Center industrial park, the former K-25 site, in December.

“Hermes represents a critical milestone on Kairos Power’s iterative path to commercializing advanced reactor technology,” the press release said.

Kairos Power said it has contracted with Barnard Construction Company Inc. to perform sitework and excavation at the Hermes site in Oak Ridge, and that work began earlier this month.

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Availability of the draft environmental assessment for off-site depleted uranium manufacturing (DOE/EA-2252)

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The U.S. Department of Energy (DOE) National Nuclear Security Administration (NNSA) announces the availability of a Draft Environmental Assessment (EA) for Off-Site Depleted Uranium Manufacturing, which analyzes the potential impacts associated with depleted uranium manufacturing at facilities located in Oak Ridge, Tennessee and Jonesborough, Tennessee.

NNSA invites the public to review and submit comments on the Draft EA. Copies of the document are available for public review on the NNSA NEPA web page (https://www.energy.gov/nnsa/nnsa-nepa-reading-room) and/or the DOE NEPA web page (https://www.energy.gov/nepa/public-comment-opportunities).

NNSA is providing an approximately 30-day comment period on the Draft EA and public comments should be submitted no later than August 30, 2024. Written comments may be mailed to NNSA NEPA Document Manager, Attn: DU Draft EA, P.O. Box 2050, Oak Ridge, TN 37831 or submitted by email to [email protected]. Comments will not be accepted over the telephone.

Manhattan Project Park: Walk through Wheat

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Photo courtesy National Park Service

You can walk through Wheat with a National Park Service ranger on Saturday, July 13, and learn more about the history of this community before the Manhattan Project.

Wheat was in an area that is now west Oak Ridge, and it was one of the communities displaced by the Manhattan Project, a top-secret federal program to build the world’s first atomic bombs during World War II.

The free July 13 walk is scheduled from 11 a.m. to 12:30 p.m.

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Crews preparing for first demolition of uranium enrichment building at Y-12

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A U.S. Department of Energy Oak Ridge Office of Environmental Management crew member works to install one of three bridges to support the relocation of utilities away from the Alpha-2 facility at the Y-12 National Security Complex. Each bridge weighs over 2,000 pounds. (Photo courtesy DOE OREM)

From U.S. Department of Energy “EM Update” email newsletter

U.S. Department of Energy Office of Environmental Management crews at Oak Ridge are moving closer toward completing the first-ever demolition of a former uranium enrichment facility at the Y-12 National Security Complex as crews reroute utilities around the structure.

Workers are slated to begin demolition on the Alpha-2 building this fall. Initiating teardown of the facility is an EM priority for 2024.

The 325,000-square-foot Manhattan Project-era facility is one of nine uranium enrichment process buildings constructed at Y-12. Its removal by the Oak Ridge Office of Environmental Management (OREM) and contractor UCOR will eliminate a high-risk excess contaminated facility, enable modernization, and clear land to support national security missions.

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K-25 cleanup shifting to groundwater

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An aerial view of the East Tennessee Technology Park shows the Main Plant Area left of Poplar Creek and the K-31 and K-33 Area at right. (Photo courtesy U.S. Department of Energy Office of Environmental Management)

Crews are expected to finish remediating soil, reversing or stopping environmental damage at the former K-25 site in west Oak Ridge this year, and federal cleanup managers are shifting their focus to groundwater. It’s the final phase of cleanup at the former uranium enrichment site.

Now also referred to as Heritage Center and East Tennessee Technology Park (ETTP), the K-25 site produced fuel for nuclear weapons and reactors starting in the top-secret Manhattan Project during World War II and continuing through the Cold War. The site has been shut down for almost four decades, and a massive cleanup project has been under way for many years.

The groundwater work can begin with the recent signing of two records of decision between the U.S. Department of Energy’s Oak Ridge Office of Environmental Management, U.S. Environmental Protection Agency, and Tennessee Department of Environment and Conservation. That’s according to “EM Update,” an electronic newsletter published by DOE’s Office of Environmental Management.

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K-25 site has first reunion

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Jim Young was the oldest retiree in attendance at the recent K-25 site reunion. The 101-year-old started working at the K-25 site as a security guard in May 1944. (Photo courtesy U.S. Department of Energy Oak Ridge Office of Environmental Management)

From “EM Update” newsletter

Long vacant parking lots at the former K-25 site at Oak Ridge were full again on a recent Saturday afternoon as retired employees gathered for a first-ever reunion.

“There are some folks here that I have not seen since I retired,” said Bob Merriman, who began working at the K-25 site in 1963. “It’s amazing to be able to visit with them and to see them still doing well.”

What started as a plan to host a small picnic quickly turned into much more.

“I said we’ll have it down here at Turtle Park in Oak Ridge, but I think I’m going to open it up to all K-25 workers,” said Pam Toon, an event organizer who started work at the site in 1987. “When I did, massive amounts of people signed up.”

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UCOR awards $45,000 in STEM education mini-grants

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Dyllis Springs kindergarten students build problem-solving, creativity, and spatial skills with Lego projects. (Photo courtesy UCOR)

Submitted

Drones, a manufacturing simulator lab, and hands on meteorology are among the classroom projects that United Cleanup Oak Ridge (UCOR) will fund through its 2024 mini-grants. UCOR awarded $45,000 in mini-grants to fund 41 projects for East Tennessee K-12 teachers in 29 schools. The grants support projects in science, technology, engineering, and mathematics (STEM), as well as related classes.

With this year’s awards, UCOR has given a total of $395,000 to fund STEM and STEM-related projects since 2012.

“STEM education is an important part of both our community outreach and our workforce development program. It’s exciting to read the grant proposals and see all of the projects teachers are doing to expose students to future STEM careers,” said UCOR Community and Education Outreach Coordinator Shannon Potter.

This year’s mini-grants went to elementary, middle, junior high, and high schools and included projects such as:

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Crews clean up demolished ORNL reactor

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An aerial view of the site of the Low Intensity Test Reactor after U.S. Department of Energy Office of Environmental Management crews demolished it. Crews have since shipped the reactor vessel and backfilled the pit where the facility had stood. (Photo courtesy UCOR/DOE Oak Ridge Office of Environmental Management)

Workers have finished cleaning up after demolishing the Low Intensity Test Reactor at Oak Ridge National Laboratory.

The work was done by cleanup contractor UCOR for the U.S. Department of Energy Office of Environmental Management.

Workers finished the tearing down the Low Intensity Test Reactor and disposing rubble and debris last fall, achieving a federal environmental management priority that year, according to the U.S. Department of Energy Office of Environmental Management.

“However, the reactor vessel remained on the building’s footprint until it could be shipped for final disposition offsite,” DOE said in its “EM Update” newsletter.

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Almost two miles of pipes replaced at waste treatment systems

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Oak Ridge crews installed approximately 5,500 feet of new piping as part of a project at the Liquid and Gaseous Waste Operations system. The work required 5,000 hours of welding to complete the nearly two miles of welded lines. (Photo courtesy U.S. Department of Energy Oak Ridge Office of Environmental Management/UCOR)

Close to two miles of pipes were replaced at waste treatment systems at Oak Ridge National Laboratory.

The two-year, $18 million project was completed three months ahead of schedule and $900,000 under budget, according to federal officials. The project replaced above-ground pipes and valves at the 3608 Process Waste Treatment Complex, “making the system more efficient and reliable and helping avoid the possibility of disrupting ongoing ORNL operations,” federal officials said.

The piping replacement was a project of the U.S. Department of Energy’s Oak Ridge Office of Environmental Management and its contractor UCOR. The goal was to extend the life of the Liquid and Gaseous Waste Operations (LGWO) system at ORNL. DOE said the LGWO system is critical to ORNL’s ongoing missions, and an outage would result in immediate impacts at the site.

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ORNL names associate lab director for neutron sciences

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Jens Dilling (Photo courtesy Oak Ridge National Laboratory)

Jens Dilling has been named associate laboratory director for the Neutron Sciences Directorate at Oak Ridge National Laboratory, effective April 1.

“ORNL pioneered neutron scattering in the 1940s, developing a new technique that enables scientists to explore and create new materials, batteries, and more,” ORNL Director Stephen Streiffer said. “Today, ORNL remains at the forefront of this science, and Jens will play a critical role in ensuring the nation’s leading neutron sources continue to deliver significant scientific impact for the United States and the world.”

Dilling has served as interim associate laboratory director for neutron sciences since August 1. He leads more than 700 employees at the High Flux Isotope Reactor and Spallation Neutron Source—two of the most powerful scientific research facilities in the world—as well as in projects focused on improving the lab’s neutron capabilities.

“Dilling demonstrated strong leadership in his interim role and will continue the (Neutron Sciences Directorate) team’s efforts to expand the scientific impact of the lab’s neutron sources while also growing the neutron user community across the United States,” ORNL said.

Neutron scattering uses beams of neutrons (parts of atoms that have no charge) that pass through samples. Detectors collect information about where (and possibly when) the neutrons are scattered to learn more about the materials. The Spallation Neutron Source uses a particle accelerator to send protons (positively charged parts of atoms) to collide with a heavy metal target to produce the neutrons in a process known as spallation. Meanwhile, at the High Flux Isotope Reactor, neutrons are produced by a nuclear reactor.

ORNL said neutron scattering is used in industries that include automotive, aerospace, steel, defense, industrial materials, energy storage, data storage, and biomedicine. Researchers use the process to find stronger glass for mobile devices, drugs that treat diseases more effectively, aircraft and rocket engines that are more reliable, vehicles with better gas mileage, better armor for the military, and batteries that are safer, charge faster, and last longer.

Dilling is an experimental nuclear physicist with “more than 20 years delivering breakthroughs in fundamental and applied nuclear physics,” the lab said. He started at ORNL in 2021, serving as director of Institutional Strategic Planning. In 2023, he took a joint faculty appointment as a research professor in the Department of Physics at Duke University, a core university of UT-Battelle LLC, the partnership that operates ORNL for the U.S. Department of Energy.

Before ORNL, Dilling worked for two decades at TRIUMF, Canada’s national laboratory for accelerator sciences at the University of British Columbia. He started at TRIUMF in 2001 as a research scientist before moving into various leadership positions, concluding his tenure as the associate laboratory director for physical sciences, a press release said.

Dilling earned his undergraduate and doctoral degrees in physics from the University of Heidelberg in Germany. He is a fellow of the American Physical Society, or APS, and received the APS Francis M. Pipkin Award, the Vogt Medal from the Canadian Association of Physicists, or CAP, and the Rutherford Memorial Medal from the Royal Society of Canada for “breakthrough discoveries in the field of experimental nuclear physics studying the fine details of the interactions of the atomic building blocks, the nucleons.” He is a professional member of APS, the German Physical Society, CAP, the Canadian Society for Mass Spectrometry, and the American Association for the Advancement of Science.

More information will be added as it becomes available.

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Crews prepare to demolish Graphite Reactor support facilities

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An aerial view of a filter house, fan house, and 200-foot-tall exhaust stack that provided support to the Graphite Reactor, which is located about 100 feet away from these facilities. (Photo courtesy U.S. Department of Energy Office of Environmental Management)

Federal cleanup crews are preparing to demolish three support facilities for the historic Graphite Reactor at Oak Ridge National Laboratory.

The demolition of the support facilities is planned for next year.

The deactivation work at the three facilities is being done by UCOR, a cleanup contractor for the U.S. Department of Energy’s Oak Ridge Office of Environmental Management.

The buildings include the filter house, or Building 3002; fan house, or Building 3003; and exhaust stack, or Building 3018. They were previously used to filter and release exhaust from Graphite Reactor operations.

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Man accused of crashing into Y-12 barrier, fleeing inside plant

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Jonpaul Payne

A 27-year-old Lenoir City man allegedly drove a car without permission, did not stop at a Y-12 National Security Complex entrance, struck a barrier, and fled on foot inside the nuclear weapons plant before being detained, court records said.

The incident was reported at about 5 a.m. Saturday. At that time, the Oak Ridge Police Department sent a text message that entrance to Y-12 was closed on Bear Creek Road in response to the incident.

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