1. Thomas Jefferson National Accelerator Facility SensL 6-Oct-2008 1CHL-2 12 GeV CEBAF Upgrade magnets and power supplies Two 1.1GV linacs Enhanced capabilities in existing Halls The JLab 12GeV Upgrade Add 5 cryomodules cryomodules Add arc

2. Thomas Jefferson National Accelerator Facility SensL 6-Oct-2008 2 JLAB Today N Existing Experimental Halls Hall D Complex A C B JLAB in 2011

3. Thomas Jefferson National Accelerator Facility SensL 6-Oct-2008 3 Rendering of Hall D Complex – Overhead View Hall D Counting House Cryo Plant Service Building Existing Facilities N

4. Thomas Jefferson National Accelerator Facility SensL 6-Oct-2008 4 Tagger Area w/ Electron Beam Dump Photon Beam Dump N Hall D Counting House Cryo Plant Service Building Hall D Complex

5. Thomas Jefferson National Accelerator Facility SensL 6-Oct-2008 5 Truck Access to Hall D Hall D Complex – Site Plan from Drawings Photon Pipe (10” concrete encased pipe) (10” concrete encased pipe) Connection to existing tunnel Tagger Area Hall D Complex Drawings A001 Hall D Collimator Enclosure Electron Beam Dump Truck Access to Tagger Area Service Building (Power Supplies, LCW equipment) Cryogenics Plant Counting House

6. Thomas Jefferson National Accelerator Facility SensL 6-Oct-2008 Photon beam and experimental area East arc North linac Tagger area Hall D Electron Beam dump Page 6 Top View 75 m Tagger Area Experimental Hall D Electron beam / dump Coherent Bremsstrahlung photon beam Solenoid- Based detector Collimator Photon Beam dump Counting House Radiator PairSpectrometer Collimator Cave