12 GeV Upgrade Status

Project Execution (Construction)

DOE - convened Progress Reviews:

  • DOE SC OPA Independent Project Review (May 10-11, 2017)
  • DOE SC OPA Independent Project Review (October 25-26, 2016)
  • DOE SC OPA Independent Project Review (April 18, 2016)
  • DOE SC OPA Independent Project Review (October 6-7, 2015)
  • DOE SC OPA Independent Project Review (March 12, 2015)
  • DOE SC OPA Independent Project Review (November 18-20, 2014)
  • DOE-SC OPA Independent Project Review (April 8-10, 2014)
  • DOE-SC OPA Independent Project Mini-Review (December 9, 2013)
  • DOE-SC OPA Independent Project Mini-Review (August 9, 2013)
  • DOE-SC OPA Independent Project Review (May 7-9, 2013)
  • DOE-SC OPA Independent Project Review (November 22-29, 2012)
  • DOE-SC OPA Independent Project Mini-Review (September 5, 2012)
  • DOE-SC OPA Independent Project Mini-Review (June 21, 2012)
  • DOE-SC OPA Independent Project Review (October 18 - 20, 2011)
  • DOE-SC OPA Independent Project Mini-Review (June 1, 2011)
  • DOE-SC OPA Independent Project Mini-Review (December 7, 2010)
  • DOE-SC OPA Independent Project Review (September 28 - 30, 2010)
  • DOE-SC OPA Independent Project Mini-Review (April 27 - 28, 2010)
  • DOE SC OPA Independent Project Review (September 22-24, 2009)

Supporting Construction (JLab-convened reviews to date):

  • Hall C Super High Momentum Spectrometer (SHMS) Dipole Finite Element Analysis (FEA) Review (November 2013)
  • Hall B CLAS12 Silicon Vertex Tracker (SVT) Detector Technical Review (March 2013)
  • Hall B CLAS12 Silicon Vertex Tracker (SVT) Detector Technical Review (January 2012)
  • Accelerator Interim Installation Review (July 2009)
  • Beam Transport Spreader/Recombiner Design Review (June 2009)
  • Hall B Interim Installation Review (March 2009)
  • HB Superconducting Magnet Design and Safety Review (February 2009)
  • Halls A & C Interim Installation Review (February 2009)
  • Hall D Interim Installation Review (February 2009)
  • Hall C Support Structure and Shield House Design and Safety Review (December 2008)
  • Hall D Beamline and Tagger Review (November 2008)

Critical Decision Three (CD-3)

The project received CD-3 (Approve Construction Start) on Sept. 15, 2008. Construction funds are requested in the President's Fiscal Year 2009 Budget Request, and project completion is planned for 2015. "Today's approval is truly historic," said Dr. Jehanne Simon-Gillo, acting associate director of DOE's Office of Science for Nuclear Physics. "The 12 GeV CEBAF upgrade will enable scientists to seek answers to some of Nature's most perplexing questions, expand our knowledge of the universe and benefit people around the world. The project also clearly demonstrates our Nation's commitment to remaining in the forefront of scientific exploration and discovery." CD-4 (Approve Start of Operations) is scheduled for 2015.

CD-3 Requirements:

  • EVMS Certification (September 19, 2008)
  • DOE SC: ESAAB CD-3 Approval Meeting (September 15, 2008)
  • DOE SC OPA: Independent Project Review (scheduled for July 22-24, 2008)
  • DOE OECM: Earned Value Management System Review (December 3-7, 2007)

Supporting CD-3 (JLab-convened reviews to date):

  • Design Status and Safety Review for Beam Transport and Extraction Systems (June 2008)
  • Magnet Power Status Review (May 2008)
  • Design Status and Safety Review for Cryogenics Systems (May 2008)
  • Design Status and Safety Review for Instrumentation, Controls, and Safety Systems (May 2008)
  • Design Status and Safety Review for RF Power (May 2008)
  • Hall B System Design and Safety Review (May 2008)
  • Hall C Support Carriage and Shield House Review Report (May 2008)
  • Hall D System and Infrastructure Design and Safety Review (May 2008)
  • 12 GeV Upgrade CM Design Review Report (April 2008)
  • Halls B & C - Design and Safety Review of Superconducting Magnets (April 15-17, 2008)
  • Hall B - Silicon Vertex Tracker Design and Safety Review (April 2, 2008)
  • Civil - N&S Access Utility Upgrade Design and Safety Review (March 2008)
  • Accelerator - Design Status and Safety Review for Cryomodules (March 28, 2008)
  • Hall D - Tracking & PID Design and Safety (March 27-28, 2008)
  • Civil - Beam Switchyard Addition Design and Safety Review (February 2008)
  • Hall D - Calorimeter Review (February 19-20, 2008)
  • Hall D - Forward Drift Chamber Incremental Technical Review (February 1, 2008)
  • Hall C - Detector Integration Design and Safety Review (January 22, 2008)
  • Civil - Hall D Complex Design and Safety Review (January 2008)
  • Civil - N&S Access Building Additions Design and Safety Review (December 2007)

Critical Decision Two (CD-2)

The project received CD-2 (Approve Performance Baseline) on Nov. 9, 2007. Dr. Jehanne Simon-Gillo, the acting associate director for the DOE's Office of Science for Nuclear Physics, said the approval "marks a significant achievement for Jefferson Lab." She also added that, "The 12 GeV Upgrade Project will allow nuclear scientists to delve deeply into the heart of the nucleon, and will permit Jefferson Lab to remain a unique international facility for decades." CD-3 (Approve Construction Start) is expected in 2008 and CD-4 (Approve Start of Operations) scheduled for 2015.

CD-2 Requirements:

  • DOE SC: ESAAB CD-2 Meeting (Nov 2007)
  • DOE OECM: External Independent Review (Sep 2007)
  • DOE SC OPA: Independent Project Review (Jun 2007)
  • DOE SC OPA: Project Status Mini-Review (Jan 2007)
  • DOE SC OPA: Federal Project Director-led Project Status Review (Dec 2006-Jan 2007)
  • DOE SC OPA: Independent Project Review (Jun 2006)

Supporting CD-2:

  • JLab: Hall D Complex (Conventional Facility) Peer Review (May 2007)
  • JLab: Hall B Calorimeter and Cerenkov Counter Design and Safety Review (Apr 2007)
  • JLab: Hall B & D Drift Chamber Design and Safety Review (Mar 2007)
  • JLab: Accelerator Arc Magnet Design and Safety Review (Nov 2006)
  • JLab: Cryomodule Design and Cryomodule/Cryogenics Failure Mode Analysis Review (Sep 2006)
  • JLab: Conceptual Design and Safety Review of Spectrometer Superconducting Magnets (Sep 2006)

Critical Decision One (CD-1)

The project received CD-1 (Approve Alternative Selection and Cost Range) in February 2006 with an announcement made on Feb. 22nd by the Secretary of Energy, Samuel W. Bodman, during a visit to Jefferson Lab where it was also announced that President Bush's Fiscal Year 2007 budget request included $7 million for the 12 GeV Upgrade. The Project Engineering and Design (PED) phase is underway.

Group photograph

Supporting CD-1:

  • JLab: Director's Project Review (5/05)
  • JLab: Cryomodule Review (4/05)
  • DOE: Science Review of the 12 GeV Upgrade (4/05)
  • JLab: review of Hall spectrometer options (1/05)
  • JLab: PAC27 review of new science motivations (1/05)
  • JLab: review of baseline 12GeV design (12/04)
  • JLab: GlueX detector solenoid assessment (11/04)
  • JLab: GlueX detector review (10/04)

CD-1 Requirements:

  • DOE: Office of Science review for CD-1 approval (9/05)
  • DOE: Independent Project Review (7/12-7/14/05)

Science Review of the 12 GeV Upgrade

In support of the review process for the next critical decision, Jefferson Lab and the user community further defined and updated the scientific motivation. The Office of Nuclear Physics conducted a Science Review of the 12 GeV Upgrade in April 2005 using a panel of international experts to assess the major elements of the science program: gluonic excitations, the fundamental structure of hadrons, the physics of nuclei, and fundamental symmetry tests in nuclear physics. The panel concluded that the research is "unique to TJNAF and will not be possible at any other known facility in the foreseeable future", and that "the scientific opportunity afforded by the 12 GeV Upgrade is outstanding, providing the U.S. with unique world-leadership capabilities in studies of QCD and the quark structure of matter." Both the search for exotic mesons and the study of fundamental symmetries were noted as having "discovery potential."

Critical Decision Zero (CD-0)

The Critical Decision process was implemented by the U.S. Department of Energy to ensure that capital projects "are delivered on schedule, within budget, and fully capable of meeting mission performance and environmental, safety, and health standards." It is a five-step approval process that all capital projects, such as the 12 GeV Upgrade, must follow. The 12 GeV CEBAF Upgrade of Jefferson Lab received Critical Decision Zero (CD-0) approval in March 2004. This affirmed that the Department of Energy had approved the mission need of the project which allowed Jefferson Lab scientists to proceed with the conceptual design and to request project funding.