2012
- December 31, 2012, Department letter transmitting deliverable 5.5.3.1 of the Implementation Plan for Recommendation 2010-2, Pulse Jet Mixing at the Waste Treatment and Immobilization Plant (WTP). [PDF]
- December 24, 2012, Board letter enclosing a copy of the Board’s Report to Congress on the Status of Significant Unresolved Issues with the Department of Energy's Design and Construction Projects. [PDF]
- December 21, 2012, Department letter providing a summary of schedule changes for some deliverables in the Implementation Plan for Board Recommendation 2011-1, Safety Culture at the Waste Treatment and Immobilization Plant. [PDF]
- December 20, 2012, Department letter providing a status update on the Board’s August 8, 2012, Letter concerning deficiencies in the safety analysis and the design of the WTP slurry transport system at the Hanford Site. [PDF]
- December 19, 2012, Department letter requesting an extension until January 31, 2013, to respond to Board August 30, 2012, letter concerning the adequacy of the development, review, and approval of safety control strategies for nuclear operations at Lawrence Livermore National Laboratory.
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- December 12, 2012, Department letter providing an update of Action 2-6 in the Department of Energy's Implementation Plan for Defense Nuclear Facilities Safety Board Recommendation 2011-1, Safety Culture at the Waste Treatment and Immobilization Plant. [PDF]
- December 6, 2012, Department letter requesting 60-day extension to provide a final report in response to the Board letter of December 13, 2011, regarding the Plutonium Facility's glovebox system and Fire Detection and Alarm System at Lawrence Livermore National Laboratory. [PDF]
- December 5, 2012, Deparment letter transmitting the Implementation Plan for Board Recommendation 2012-1, Savannah River Site Building 235-F Safety. [PDF]
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- November 30, 2012, Department letter providing an update of DOE's progress to achieve closure of ventilation system gaps for the Office of Environmental Management facilities. [PDF]
- November 30, 2012, Department letter in response to Board letter of August 28, 2012, regarding actions taken and planned to address the lack of comprehensive requirements and guidance for Integrated Safety Management at the activity level: Work Planning and Control. [PDF]
- November 27, 2012, Department letter requesting a 45-day extension to respond to Board Recommendation 2012-2, Hanford Tank Farms Flammable Gas Safety Strategy. [PDF]
- November 19, 2012, Board letter establisbing a 60-day reporting requirement for DOE’s plans to address issues regarding approved safety basis for Area G at Los Alamos National Laboratory. [PDF]
- November 8, 2012, Department letter regarding the status of DOE's revision to the Implementation Plan for Recommendation 2010-2, Pulse Jet Mixing at the Waste Treatment and Immobilization Plant. [PDF]
- November 6, 2012, Department letter requesting a 45-day extension to respond to the Board letter of August 8, 2012, regarding issues related to deficiencies in the safety analysis and the design of the WTP slurry transport system. [PDF]
- November 5, 2012, Department letter responding to the Board letter of September 6, 2012, regarding NNSA's approach to validate the modeling assumptions in the analysis and design of the Uranium Processing Facility main building at Y-12. [PDF]
- November 5, 2012, Department letter in response to Board letter of June 18, 2012, regarding the safety basis for the Plutonium Facility at Los Alamos National Laboratory. [PDF]
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- October 31, 2012, Board letter forwarding the Board's third periodic Report to Congress: Summary of Significant Safety-Related Infrastructure Issues at Operating Defense Nuclear Facilities. [PDF]
- October 31, 2012, Department letter transmitting deliverable 5.5.3.6 (third of three test plans to establish Tank Farm performance capability) of the Implementation Plan for Recommendation 2010-2, Pulse Jet Mixing at the Waste Treatment and Immobilization Plant. [PDF]
- October 26, 2012, Department letter requesting a 30-day extension to respond to the Board letter of August 30, 2012, concerning the adequacy of the development, review, and approval of safety control strategies for nuclear operations at Lawrence Livermore National Laboratory. [PDF]
- October 22, 2012, Department letter reporting completion of all open commitments and proposing closure of Recommendation 2007-1, Safety-Related In Situ Nondestructive Assay of Radioactive Material. [PDF]
- October 19, 2012, Department letter requesting a 45-day extension to submit the Implementation Plan for Recommendation 2012-1, Savannah River Site Building 235-F Safety. [PDF]
- October 18, 2012, Department letter transmitting the Continued Safe Operating Oversight Team Annual Report for the 9212 Complex at Y-12. [PDF]
- October 9, 2012, Department letter detailing actions taken or planned by the National Nuclear Security Administration to resolve safety issues relating to the Transuranic Waste Facility project preliminary design at Los Alamos National Laboratory, in response to the Board letter of June 11, 2012. [PDF]
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- September 28, 2012, Department letter responding to the Board letter of July 18, 2012, regarding seismic analysis of the Plutonium Facility at Los Alamos National Laboratory. [PDF]
- September 28, 2012, Board letter forwarding Recommendation 2012-2, Hanford Tank Farms Flammable Gas Safety Strategy. [PDF]
- September 27, 2012, Department letter responding to the Board letter of April 13, 2012, concerning the operability and safety of the electrical distribution system at the Waste Treatment and Immobilization Plant. [PDF]
- September 27, 2012, Department letter responding to the Board letter of June 27, 2012, regarding safety issues with the maintenance program at the Waste Isolation Pilot Plant (WIPP). [PDF]
- September 14, 2012, Department letter transmitting deliverable for Commitment 1-1 (transcript of Secretary Chu's speech at a WTP town hall meeting) of the Implementation Plan for Recommendation 2011-1, Safety Culture at the Waste Treatment and Immobilization Plant. [PDF]
- September 14, 2012, Department letter transmitting the Implementation Plan Addendum for Recommendation 2011-1, Safety Culture at the Waste Treatment and Immobilization Plant. [PDF]
- September 6, 2012, Department letter requesting an additional 60-day extension to respond to Board letter of June 18, 2012, concerning the approved safety basis for the Plutonium Facility (PF-4) at Los Alamos National Laboratory. This letter also indicates that NNSA will provide a revised project execution plan for seismically-related upgrades to PF-4 within 90 days of completion of the final report for the current scope of non-linear static seismic analyses. [PDF]
- September 6, 2012, Board letter establishing a 60-day reporting requirement regarding NNSA's approach to validate the modeling assumptions in the analysis and design of the Uranium Processing Facility main building at Y-12. [PDF]
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- August 30, 2012, Board letter establishing a 60-day reporting requirement concerning the adequacy of the development, review, and approval of safety control strategies for nuclear operations at Lawrence Livermore National Laboratory. [PDF]
- August 28, 2012, Board letter forwarding technical report regarding activity level work planning and control (DNFSB/TECH-37). The letter establishes a 60-day reporting requirement on the actions taken and planned by DOE to address the lack of comprehensive requirements and guidance, as well as a 12-month reporting requirement on DOE's assessment of the effectiveness of these actions. [PDF]
- August 27, 2012, Department letter providing a status update and documenting the need to revise the Implementation Plan for Recommendation 2010-2, Pulse Jet Mixing at the Waste Treatment and Immobilization Plant. [PDF]
- August 16, 2012, Department letter transmitting deliverable 5.5.3.6 (second of three test plans to establish Tank Farm performance capability) of the Implementation Plan for Recommendation 2010-2, Pulse Jet Mixing at the Waste Treatment and Immobilization Plant. [PDF]
- August 14, 2012, Department letter indicating that the detailed response to the Board's letter of July 18, 2012, regarding the seismic structural analysis for the Plutonium Facility at Los Alamos National Laboratory, will be provided by September 28, 2012. [PDF]
- August 10, 2012, Department letter responding to the Board letter of March 27, 2012, regarding the A- and K- Area Fire Protection Water Supply at the Savannah River Site (SRS). [PDF]
- August 8, 2012, Board letter establishing a 90-day reporting requirement to address issues related to deficiencies in the safety analysis and the design of the WTP slurry transport system. [PDF]
- August 1, 2012, Department letter transmitting deliverable 6.3.1, Quarterly Progress Report for April through June 2012, of the Implementation Plan for Recommendation 2010-2, Pulse Jet Mixing at the Waste Treatment and Immobilization Plant. [PDF]
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- July 31, 2012, Department letter transmitting deliverables associated with commitments 1-5, 2-2, and 2-4 of the Implementation Plan for Recommendation 2011-1, Safety Culture at the Waste Treatment and Immobilization Plant. [PDF]
- July 31, 2012, Department letter requesting a 60-day extension to respond to Board letter of June 11, 2012, regarding actions taken or planned by the National Nuclear Security Administration to resolve safety issues relating to the Transuranic Waste Facility (TWF) project at Los Alamos National Laboratory. [PDF]
- July 31, 2012, Board letter regarding the preliminary design activities and safety basis development for Phase I of the Sludge Treatment Project at Hanford. [PDF]
- July 27, 2012, Department letter responding to the Board letter of April 3, 2012, regarding how the FLUENT model will be appropriately validated prior to use for mixing system design confirmation at WTP. [PDF]
- July 19, 2012, Department letter regarding DOE Path Forward on Adequate Protection. [PDF]
- July 18, 2012, Board letter establishing a 30-day reporting requirement regarding the seismic structural analysis for the Plutonium Facility at Los Alamos National Laboratory. [PDF]
- July 17, 2012, Department letter transmitting deliverable 5.7.3.2 (WTP Interface Management Plan) of the Implementation Plan for Recommendation 2010-2, Pulse Jet Mixing at the Waste Treatment and Immobilization Plant. [PDF]
- July 17, 2012, Department letter transmitting deliverable 5.3.3.1 and Cancellation of Deliverables 5.3.3.2 and 5.3.3.3 of the Implementation Plan for Board Recommendation 2010-2, Pulse Jet Mixing at the Waste Treatment and Immobilization Plant. [PDF]
- July 16, 2012, Department letter responding to the Board letter of April 18, 2012, concerning quality assurance and software quality assurance issues at the Annular Core Research Reactor at Sandia National Laboratories. [PDF]
- July 13, 2012, Department letter requesting a 45-day extension to respond to Board letter of June 18, 2012, concerning the approved safety basis for the Plutonium Facility at Los Alamos National Laboratory. [PDF]
- July 10, 2012, Department letter accepting Board Recommendation 2012-1, Savannah River Site Building 235-F Safety. [PDF]
- July 3, 2012, Department letter providing an update to the corporate Nuclear Safety Research and Development Program per commitments 7 and 8 of the Implementation Plan for Recommendation 2004-1, Oversight of Complex High-Hazard Nuclear Operations. [PDF]
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- June 27, 2012, Department letter transmitting deliverable 5.5.3.2 (One System Evaluation of Waste Transferred to the Waste Treatment Plant) of the Implementation Plan for Recommendation 2010-2, Pulse Jet Mixing at the Waste Treatment and Immobilization Plant. [PDF]
- June 27, 2012, Department letter transmitting the Comprehensive Report Concerning Safety Control Set and Preliminary Safety Design for the Uranium Processing Facility at Y-12 in response to the Board letter of April 2, 2012. [PDF]
- June 27, 2012, Board letter establishing a 90-day reporting requirement identifying actions taken or planned by DOE to resolve safety issues associated with the maintenance program at the Waste Isolation Pilot Plant. [PDF]
- June 27, 2012, Board letter to Citizen Action New Mexico regarding Nuclear Safety at the Annular Core Research Reactor and other facilities at Sandia National Laboratories. [PDF]
- June 26, 2012, Department letter responding to the Board letter of February 28, 2012, concerning NNSA's plans to modify the Documented Safety Analysis, review the accident analyses, and evaluate the reliability of controls for the Annular Core Research Reactor at Sandia National Laboratories. [PDF]
- June 25, 2012, Board letter enclosing a copy of the Board’s Report to Congress on the Status of Significant Unresolved Issues with the Department of Energy's Design and Construction Projects. [PDF]
- June 25, 2012, Department letter responding to the Board letter of December 29, 2011, regarding NNSA's assessment of the effectiveness of the actions to address work planning and control weaknesses at Y-12. [PDF]
- June 18, 2012, Board letter establising a 30-day reporting requirement regarding the approved safety basis for the Plutonium Facility at Los Alamos National Laboratory. [PDF]
- June 14, 2012, Board letter recognizing Ms. Elaine N. Diaz of the Hanford Site Office of River Protection as the winner of the 2011 Department of Energy Safety System Oversight Annual Award. [PDF]
- June 11, 2012, Board letter establishing 60-day reporting requirement for identification of actions taken or planned by the National Nuclear Security Administration to resolve safety issues relating to the Transuranic Waste Facility (TWF) project at Los Alamos National Laboratory. [PDF]
- June 11, 2012, Board letter recognizing Mr. Bradley J. Davis of the Idaho Operations Office as the 2011 Department of Energy Facility Representative of the Year.
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- June 5, 2012, Board letter regarding Training and Qualification Program at the Y-12 National Security Complex. [PDF]
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- May 30, 2012, Department letter responding to the Board letter of March 27, 2012, regarding the A- and K-Area Fire Protection Water Supplies at the Savannah River Site. [PDF]
- May 29, 2012, Department letter transmitting deliverable 5.5.3.6, Test Plan to Establish Tank Farm Performance Capability, of Recommendation 2010-2, Pulse Jet Mixing at the Waste Treatment and Immobilization Plant. [PDF]
- May 29, 2012, Department letter transmitting deliverable 5.3.3.5, National Energy Technology Laboratory review of the BNI Experimental Data Gap Analysis for Computational Fluid Dynamics Verification & Validation, of Recommendation 2010-2, Pulse Jet Mixing at the Waste Treatment and Immobilization Plant. [PDF]
- May 25, 2012, Department letter requesting 30-day extension to respond to Board letter of February 28, 2012, concerning the Documented Safety Analysis at the Annular Core Research Reactor (ACRR) at Sandia National Laboratories. [PDF]
- May 21, 2012, Department letter transmitting the Bechtel National Inc.’s “Comprehensive Corrective Action Plan for Strengthening the Nuclear Safety and Quality Culture at the Hanford Tank Waste Treatment and Immobilization Plant” relating to deliverable 1-4 of the Implementation Plan for Board Recommendation 2011-1, Safety Culture at the Waste Treatment and Immobilization Plant.
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- May 18, 2012, Department letter regarding the K-Basin Sludge Treatment Project at the Hanford site. [PDF]
- May 18, 2012, Department letter requesting a 60-day extension to provide the report and briefing on the approach to be used to resolve issues with the WTP project's FLUENT model. [PDF]
- May 17, 2012, Department letter regarding Work Planning and Control programs and their implementation throughout the Complex. [PDF]
- May 9, 2012, Board letter forwarding Recommendation 2012-1, Savannah River Site Building 235-F Safety. [PDF]
- May 2, 2012, Department letter responding to the Board letter of April 2, 2012 concerning NNSA's approach for demonstrating adequate integration of safety in the preliminary design of the Uranium Processing Facility at Y-12.
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- May 1, 2012, Department letter transmitting deliverable associated with Action 1-8 of the Implementation Plan for Recommendation 2011-1, Safety Culture at the Waste Treatment and Immobilization Plant. [PDF]
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- April 30, 2012, Department letter transmitting deliverable 6.3.1, Quarterly Progress Report for January through March 2012, of the Implementation Plan for Recommendation 2010-2, Pulse Jet Mixing at the Waste Treatment and Immobilization Plant. [PDF]
- April 30, 2012, Department letter transmitting deliverable 5.1.3.14 of the Implementation Plan for Recommendation 2010-2, Pulse Jet Mixing at the Waste Treatment and Immobilization Plant. [PDF]
- April 30, 2012, Department letter transmitting deliverable 5.2.3.1 of the Implementation Plan for Recommendation 2010-2, Pulse Jet Mixing at the Waste Treatment and Immobilization Plant. [PDF]
- April 30, 2012, Department letter regarding the use of Newtonian analysis techniques to assess non-Newtonian vessel performance, associated with Commitment 5.3.3.1 of the Implementation Plan for Recommendation 2010-2, Pulse Jet Mixing at the Waste Treatment and Immobilization Plant. [PDF]
- April 23, 2012, Department letter responding to the Board letter of March 2, 2012, requesting an update to the Implementation Plan for Recommendation 2011-1, Safety Culture at the Waste Treatment and Immobilization Plant. [PDF]
- April 18, 2012, Board letter establishing a 90-day reporting requirement describing the plans and schedule for actions to be taken to address the quality assurance and software quality assurance issues at the Annular Core Research Reactor at Sandia National Laboratories. [PDF]
- April 13, 2012, Board letter enclosing the Staff Issue Report regarding the activity-level work planning processes and procedures used by Savannah River Nuclear Solutions at the Savannah River Site. [PDF]
- April 13, 2012, Board letter establishing a 120-day reporting requirement for actions DOE has taken or plans to take to address the issues related to the design and construction of the electrical distribution system for the Waste Treatment and Immobilization Plant (WTP) at Hanford. [PDF]
- April 3, 2012, Board letter establishing a 45-day reporting requirement for identifying the approach to be used to resolve the issues relating to how the FLUENT model will be appropriately validated prior to use for mixing system design confirmation. [PDF]
- April 2, 2012, Department letter regarding planned improvements and safety basis amendment for the Double-Shell Tank primary ventilation systems at Hanford. [PDF]
- April 2, 2012, Board letter establishing a 30-day reporting requirement describing NNSA's approach for demonstration of the adequate integration of safety in the preliminary design of the Uranium Processing Facility (UPF) at the Y-12 National Security Complex. [PDF]
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- March 30, 2012, Department letter transmitting deliverable 5.6.3.1 of the Implementation Plan for Recommendation 2010-2, Pulse Jet Mixing at the Waste Treatment and Immobilization Plant. [PDF]
- March 30, 2012, Department letter responding to the Board letter of March 2, 2012 regarding the effectiveness of the nuclear explosive safety (NES) program at Pantex. [PDF]
- March 30, 2012, Department letter requesting a 30-day extension to complete the response to the Board regarding K-Basin Sludge Treatment Project at the Hanford site. [PDF]
- March 29, 2012, Department letter transmitting deliverable 5.5.3.5 of the Implementation Plan for Recommendation 2010-2, Pulse Jet Mixing at the Waste Treatment and Immobilization Plant. [PDF]
- March 29, 2012, Department letter transmitting deliverable 5.1.3.2 of the Implementation Plan for Recommendation 2010-2, Pulse Jet Mixing at the Waste Treatment and Immobilization Plant. [PDF]
- March 27, 2012, Department letter requesting a 60-day extension to respond to Board letter of December 29, 2011, concerning the work planning and control issues at the Y-12 National Security Complex. [PDF]
- March 27, 2012, Board letter establishing a 60-day reporting requirement regarding the safety significant classification of fire protection water supplies at the Savannah River Site A- and K-Areas. [PDF]
- March 20, 2012, Department letter informing the Board of the completion of deliverable 5.4.4 of the Implementation Plan for Recommendation 2009-2, Los Alamos National Laboratory Plutonium Facility Seismic Safety. [PDF]
- March 8, 2012, Board letter enclosing a copy of the Board’s Report to Congress on the Status of Significant Unresolved Issues with the Department of Energy's Design and Construction Projects. [PDF]
- March 8, 2012, Department letter responding to the Board letter of December 13, 2011, regarding specific actions the National Nuclear Security Administration has taken or plans to take to ensure that two safety systems at the Plutonium Facility at Lawrence Livermore National Laboratory can perform their safety functions. [PDF]
- March 6, 2012, Department letter responding to Board letter of November 7, 2011, regarding the tracking and closure process for nuclear explosive safety evaluation findings and senior technical advisor comments at the Pantex Plant. [PDF]
- March 5, 2012, Department letter in response to Board letter of January 20, 2012 regarding wear allowances in the design of piping, process vessels, and Pulse Jet Mixers at the Waste Treatment and Immobilization Plant. [PDF]
- March 2, 2012, Board letter to Citizen Action New Mexico regarding the safety basis for the Annular Core Research Reactor at Sandia National Laboratories. [PDF]
- March 2, 2012, Board letter regarding the supporting calculations for some of the Technical Safety Requirements in select Safety Analysis Reports at the Pantex Plant. [PDF]
- March 2, 2012, Board letter establishing a 30-day reporting requirement describing the NNSA's actions to address the issues on the effectiveness of the nuclear explosive safety program at the Pantex Plant. [PDF]
- March 2, 2012, Department letter transmitting deliverable 1-7 (revised WTP Project Execution Plan) of the Department's Implementation Plan for Recommendation 2011-1, Safety Culture at the Waste Treatment and Immobilization Plant. [PDF]
- March 2, 2012, Board letter accepting the Implementation Plan (IP) for Recommendation 2011-1, Safety Culture at the Waste Treatment and Immobilization Plant, with a request for a revised IP by April 30 that takes into account information gained from the January 2012 HSS report. [PDF]
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- February 28, 2012, Department letter transmitting the Annual Report on Nuclear Criticality Safety for Fiscal Year 2011. [PDF]
- February 28, 2012, Board letter establishing a 3-month reporting requirement describing the NNSA's plans to review the accident analyses, modify the DSA, and evaluate the reliability of controls for the Annular Core Research Reactor (ACRR) at Sandia National Laboratories. [PDF]
- February 28, 2012, Department letter transmitting the completion of Action 1-2 of the Implementation Plan for Recommendation 2011-1, Safety Culture at the Waste Treatment and Immobilization Plant. [PDF]
- February 24, 2012, Department letter transmitting deliverable 1-4 of the Implementation Plan for Recommendation 2011-1, Safety Culture at the Waste Treatment and Immobilization Plant. [PDF]
- February 24, 2012, Department letter in response to the Board letter of August 25, 2011, concerning weaknesses with technical procedures and their implementation at the Y-12 National Security Complex. [PDF]
- February 3, 2012, Department letter requesting a 30-day extension to respond to Board letter of November 7, 2011, concerning nuclear explosive safety issues at the Pantex Plant. [PDF]
- February 2, 2012, Department letter requesting 30-day extension to respond to Board letter of December 13, 2011 concerning the Lawrence Livermore National Laboratory Plutonium Facility's glovebox system and Fire Detection and Alarm System. [PDF]
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- January 31, 2012, Department letter transmitting deliverable 6.3.1, quarterly progress report, of the Implementation Plan for Recommendation 2010-2, Pulse Jet Mixing at the Waste Treatment and Immobilization Plant. [PDF]
- January 30, 2012, Department letter transmitting deliverable 5.7.3.1 of the Implementation Plan for Recommendation 2010-2, Pulse Jet Mixing at the Waste Treatment and Immobilization Plant. [PDF]
- January 30, 2012, Department letter transmitting deliverable 5.5.3.4 of the Implementation Plan for Recommendation 2010-2, Pulse Jet Mixing at the Waste Treatment and Immobilization Plant. [PDF]
- January 30, 2012, Department letter requesting a 30-day extension to submit the Annual Report on Nuclear Criticality Safety. [PDF]
- January 30, 2012, Department letter transmitting deliverable 1-3, descriptions of the contractor and federal safety culture oversight process, of the Implementation Plan for Recommendation 2011-1, Safety Culture at the Waste Treatment and Immobilization Plant. [PDF]
- January 30, 2012, Department letter detailing the technical basis, actions taken to improve safety, and plans for safety improvements to continuously ensure adequate protection of public safety from operations at the Los Alamos National Laboratory's Plutonium Facility (PF-4). [PDF]
- January 27, 2012, Department letter transmitting deliverable 5.3.3.4, analysis of data sets required to support CFD V&V, of the Implementation Plan for Recommendation 2010-2, Pulse Jet Mixing at the Waste Treatment and Immobilization Plant. [PDF]
- January 24, 2012, Department letter transmitting deliverable 2-1 of the Implementation Plan for Recommendation 2011-1, Safety Culture at the Waste Treatment and Immobilization Plant. [PDF]
- January 20, 2012, Board letter establishing a 45-day reporting requirement for identifying the approach to be used to resolve issues relating to erosion/corrosion wear allowances for Waste Treatment and Immobilization Plant piping and vessels. [PDF]
- January 19, 2012, Board letter accepting the Implementation Plan for Recommendation 2010-2, Pulse Jet Mixing at the Waste Treatment and Immobilization Plant. [PDF]
- January 12, 2012, Department letter transmitting deliverable 5.7.3.4 of the Implementation Plan for Recommendation 2010-2, Pulse Jet Mixing at the WTP. [PDF]
- January 6, 2012, Department letter transmitting deliverable 6.1.1 of the Implementation Plan for Recommendation 2010-1, Safety Analysis Requirements for Defining Adequate Protection for the Public and the Workers. [PDF]
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