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Lessons learned from the demolition of the K-25 Process Building at Oak Ridge are being applied to Portsmouth demolition activities.
Lessons learned from the demolition of the K-25 Process Building at Oak Ridge are being applied to Portsmouth demolition activities.
Workers remove transite siding panels from the X-326 Process Building, a key step before structural demolition.
Workers remove transite siding panels from the X-326 Process Building, a key step before structural demolition.
A worker adjusts an on-site air monitor.
A worker adjusts an on-site air monitor.
Water canons suppress potential airborne dust during demolition activities.
Water canons suppress potential airborne dust during demolition activities.
Structural demolition of the X-326 Process Building is underway. Forty percent of the building is scheduled for removal this year.
Structural demolition of the X-326 Process Building is underway. Forty percent of the building is scheduled for removal this year.
The Portsmouth Gaseous Diffusion Plant was constructed in the 1950s.
The Portsmouth Gaseous Diffusion Plant was constructed in the 1950s.
A crew applies blue fixative to the exterior siding of the X-326 Process Building to lock-in any potential dust or fibers prior to panel removal.
A crew applies blue fixative to the exterior siding of the X-326 Process Building to lock-in any potential dust or fibers prior to panel removal.
Workers move a transite siding panel from the X-326 Process Building in preparation for wrapping and removal.
Workers move a transite siding panel from the X-326 Process Building in preparation for wrapping and removal.
Air monitors are co-located by the Ohio Environmental Protection Agency, Department of Health, and the U.S. Department of Energy to detect any contaminants that might result from demolition activity on the Portsmouth Site.
Air monitors are co-located by the Ohio Environmental Protection Agency, Department of Health, and the U.S. Department of Energy to detect any contaminants that might result from demolition activity on the Portsmouth Site.
Aerial view of the OSWDF operations including waste placement and Cell 4 construction.
Aerial view of the OSWDF operations including waste placement and Cell 4 construction.
Demolition of the X-326 is underway using carefully controlled protectiveness measures.
Demolition of the X-326 is underway using carefully controlled protectiveness measures.
Progress continues on the C-Train and D-Train head works at the X-622-1 Water Treatment Facility. The facility treats water generated from the decontamination and decommissioning activities involving the X-326 Process Building.
Progress continues on the C-Train and D-Train head works at the X-622-1 Water Treatment Facility. The facility treats water generated from the decontamination and decommissioning activities involving the X-326 Process Building.
An aerial view of the Portsmouth Site.
An aerial view of the Portsmouth Site.
Workers pave a water-detention feature outside the X-326 Process Building in preparation for the demolition project.
Workers pave a water-detention feature outside the X-326 Process Building in preparation for the demolition project.
Crews remove debris from the X-326 Process Building slab,
Aerial photo of the X-326 Process Building in June 2023.
Aerial photo of the Portsmouth Site in June 2023.
Workers celebrate transporting the last load of the X-326 Process Building debris to the OSWDF on September 24, 2023. The project was completed with over 2.1 million safe work hours.
OSWDF workers celebrate receiving transporting the last load of the X-326 Process Building debris on September 24, 2023.
The last load of X-326 Process Building demolition debris is placed in the OSWDF on September 24, 2023
Aerial photo of the X-326 Process Building in August 2023.
Aerial photo of the OSWDF in August 2023.
The first excavation of potentially contaminated soil gets underway to remove sources of potential groundwater contamination and provide fill dirt for the On-Site Waste Disposal Facility at Portsmouth.
The first excavation of potentially contaminated soil gets underway to remove sources of potential groundwater contamination and provide fill dirt for the On-Site Waste Disposal Facility at Portsmouth.
The first load of impacted soil from the X-740 Plume Excavation Project is placed into Cell 1 at the PORTS On-Site Waste Disposal Facility.
The first load of impacted soil from the X-740 Plume Excavation Project is placed into Cell 1 at the PORTS On-Site Waste Disposal Facility.
Aerial view looking east at the X-740 as operations continue blending and loading impacted soil for placement at the PORTS On-Site Waste Disposal Facility.
Aerial view looking east at the X-740 as operations continue blending and loading impacted soil for placement at the PORTS On-Site Waste Disposal Facility.
Arial photograph of the OSWDF taken on November 4, 2021
Arial photograph of the OSWDF taken on November 4, 2021
Arial photograph of the OSWDF taken on November 4, 2021
Arial photograph of the OSWDF taken on November 4, 2021
Arial photograph of the OSWDF taken on November 4, 2021
The Modular Leachate Treatment System, which includes a million-gallon water tank and support structures, allows for storage of additional water that might result from significant storms so that it can be treated before leaving the PORTS On-Site Waste Disposal Facility. The facility will hold much of the debris and other material from demolition of the large gaseous-diffusion process buildings and other plant facilities.
The Modular Leachate Treatment System, which includes a million-gallon water tank and support structures, allows for storage of additional water that might result from significant storms so that it can be treated before leaving the PORTS On-Site Waste Disposal Facility. The facility will hold much of the debris and other material from demolition of the large gaseous-diffusion process buildings and other plant facilities.

Videos

Start of structural demolition
Early demolition progress
X-326 2023