2012
- 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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