Cryogenic System Cooldown Projection based on Full Compressor Power Starting on February 2, 2009

.5 MW – Dec 8, 2008 through Jan 12, 2009 (temporary peaks up to 2 MW)

12/8/08 start cryo plant scrub (9 days)

12/16/08 RHIC ring pressure testing complete, insulating vacuum established

12/17/08 start scrub of RHIC ring (22 days)

2.5 MW – Jan. 9, 2009 through Feb 1, 2009

1/9/09 start 45K cooldown of cryo plant (1 day)

1/10/09 start 45K wave in both RHIC rings (23 days)

6 to 8 MW – February 2, 2009 through February 8, 2009

2/2/09 start 4K wave in Blue ring, Hi potting (3.5 days)

2/5/09 start 4K wave in Yellow ring, Hi potting (3.5 days)

5 MW starting on February 9, 2009

2/9/09 start T7 turbine

AGS Cold Snake Magnet Cooldown

11/14/08 Start Cold Snake Cooldown

12/12/08 Cold Snake cooldown complete, steady state.

D.L. September 17, 2008