UCOR’s deactivation and demolition (D&D) teams are making substantial progress at the former 210,000-square-foot Beta-1 uranium enrichment facility at the Y-12 National Security Complex. Following deactivation, the current focus is to fill the basement with controlled low-strength material (CLSM)—a concrete mixture— to stabilize the foundation for demolition equipment, with completion anticipated in May. A significant…
Inside ORNL’s former Radioisotope Development Laboratory (Building 3026), UCOR is using the Brokk remotely operated excavator to deactivate the remaining portion of the final hot cell inside. They have now successfully filled and removed the first drum of waste from the hot cell. Watch the video here.
An unexpected leak developed in a potable water line at the ORNL Process Waste Treatment Complex (PWTC) Building 3608 late on Sunday, and by the end of the day on Monday UCOR’s ORNL Nuclear Operations team had isolated the leak and restored potable water to critical components. Potable water at Building 3608 is vital as…
A small but mighty ORNL Nuclear Operations crew responded to the cold and snow over the last two weekends. They conducted the following activities at Liquid and Gaseous Waste Operations facilities and Surveillance and Maintenance facilities across ORNL. Snow clearing: Removal of accumulated snow from access roads, parking lots, walkways, and operational routes to maintain…
A significant amount of vegetation and trees were recently removed at the Heritage Center surrounding Outfall 724 and the adjunct 770 embayment. The work was performed by AISI-CTI JV, a joint venture subcontract between AIS Infrastructure and CTI and Associates, Inc. AISI-CTI JV was originally onboarded for tree removal at the Environmental Management Disposal Facility;…
After a forecast of significant snow and ice this past weekend, UCOR’s Landfill Operations initiated its winter storm recovery plan to get landfill operations on the Oak Ridge Reservation (ORR) back up and running. Prior to the storm, Landfill Operations implemented various recovery plan efforts to minimize damage, including covering selected waste on the sites,…
Workers have completed mobilization for a significant new project at the ETTP Heritage Center aimed at removing Outfall 724, which had been operating under a National Pollutant Discharge Elimination System (NPDES) permit. An NPDES permit is a regulatory requirement for facilities that discharge pollutants directly from point sources into the state’s surface waters. To remove…
PAhead of a forecasted 4.5 inches of rain over this past weekend, UCOR’s Waste Operations teams at ORRL and EMWMF took proactive measures to efficiently ensure safe and compliant water management at onsite landfills, critical to continuing waste disposal operations at the Oak Ridge Reservation. reparations focused on landfill wastewater, comprised of leachate and contact water, that must…
2025 was an exceptional year for UCOR with workers achieving successes across various Oak Ridge Reservation sites while maintaining a stellar safety record. Watch the video for highlights of UCOR’s 2025 performance.
To keep crews safely away from radiation, UCOR has started using the Brokk remotely operated excavator to deactivate the remaining portion of the final hot cell inside ORNL’s former Radioisotope Development Laboratory (Building 3026). This and the five other hot cells that were previously removed from the building were heavily shielded concrete rooms that protected…