100 likes | 223 Views
Kris Anderson 21-Mar-2011. Special Report NuMI Target Updates. Ongoing Work - Four Parallel Activities, Now Three Target Hall • NT-05 has been secured in NuMI Target Hall Morgue • Target module ready to accept new target Autopsy of NT-05 in Target Hall Workcell
E N D
Kris Anderson 21-Mar-2011 Special Report NuMI Target Updates • Ongoing Work - Four Parallel Activities, Now Three • Target Hall • • NT-05 has been secured inNuMI Target Hall Morgue • • Target module ready to accept new target • Autopsy of NT-05 in Target Hall Workcell • • Done- All work on this task complete • Reclaim NT-02 as a contingency spare • •Good News: Pressure test results indicate NT-02 is still leak tight on the water and canister He volume circuit • • Bad News: Z-drive motion is likely compromised in perhaps a couple of locations • • ALARA plan in process to address slipping couplers and new bearings blocks • • May require~2 weeks of effort to reclaim z-drive motion (if possible) • NT-06 Retrofit (Activities currently on the critical path) • • Target core successfully extracted from support casing • • Old DS water turnaround successfully removed using wire EDM in WHMS • • New water turnaround design successfully fabricated, welded, X-ray inspected, • and pressure tested to 2400 psig • •Turnaround will be welded toNT-06 core and X-ray inspected Tuesday 3/22 • • All other target canister final assembly, survey, and QA expected to be complete • bySaturday 3/26
Previously Identified Potential Failure Location Special Report NuMI Target Updates Downstream Water Turnaround Weldments NuMILow Energy Target General Assembly Layout
Special Report NuMI Target Updates NT-06 Retrofit NT-06 Target Core in Processing Fixture
Special Report NuMI Target Updates NT-06 Retrofit Original NT-06 Downstream Water Circuit Welds patched with solder
Special Report NuMI Target Updates NT-06 Retrofit Original NT-06 Downstream Water Circuit Turnaround end not welded perpendicular to core centerline
Special Report NuMI Target Updates NT-06 Retrofit Surgery Time Wire EDM operation to remove original water turnaround Successful cut
Special Report NuMI Target Updates NT-06 Retrofit New Style Water Turnaround Successful X-ray inspection Successful pressure test to 1500 psig
Special Report NuMI Target Updates NT-06 Retrofit NT-06 Cooling tube transition sleeves cleaned and ready for retrofit
Special Report NuMI Target Updates NT-06 Retrofit NT-06 Retrofit ready for welding and X-ray inspection Tuesday 3/22
Key Dates Special Report NuMI Target Updates Estimated Key Dates-Nominal Scenario I. NT-06 Path •NT-06 retrofit should be completion 3/26 • Efforts for NT-06 Target/Baffle Carrier final outfitting at MI-8, survey, and Q/A expected to occur 3/28 – 4/2 • Installation of NT-06 into target chase during 4/4 – 4/9 • Estimate for beam ~12:00 on Sunday 4/10 II. NT-02 Path (Contingency Target) • NT-02 is leak tight but status of z-drive reclamation is still TBD • Likely to take about 1.5 -2 weeks of effort to define and implement procedure to assess and return z-drive mechanism to operational status; Estimate z-drive recovery end of March if repairable