08/31/07Shutdown’07 Week 4 F.G. Garcia1 MTA beam line installation Weekly Report August 31, 2007 Period covered: August 24 th to August 31 st (Week 4) MTA – Week2

08/31/07Shutdown’07 Week 4 F.G. Garcia2 MTA Weekly Report – Week 4  Shielding underneath hatch area 08/27 Floor underneath the hatch area has been leveled to aid the shielding wall installation. 08/30 Crane/Iron Workers returned to the job site  Lifted left over material and no more necessary equipment  Started restacking shielding wall yesterday! Linac sideMTA sideNext week: -Finish the wall -ETC: 09/05

08/31/07Shutdown’07 Week 4 F.G. Garcia3 MTA Weekly Report – Week 4  Electrical Work Cable tray installation 100% complete Cable pull started and is progressing well  Start with load cables – 30% complete. Next week: Continue with cable pulling and termination  Magnets Installation 4 magnets remain to be full stationed  Installation on hold until shielding wall is complete Next week: Resume installation after completion of the wall  Alignment Crew was available this week to finish the network Crew assisted on checking stationing of some questionable magnets Next week: If schedule permits start roughing alignment late in the week (or maybe early week 6).

08/31/07Shutdown’07 Week 4 F.G. Garcia4 MTA Weekly Report – Week 4  LCW work LCW header connected up to Booster 95 LCW from the Linac Lower level complete. Good progress with the long straight sections in the tunnel  Both supply/return 2” copper piping installed along the wall  Contractors are approaching the cross over the beam lines Next week: Continue with the 2” copper piping installation