2017 Main InjectorRecycler Shutdown D Morris 0900 Meeting

2017 Main Injector/Recycler Shutdown D. Morris 0900 Meeting October 27, 2017

RR-40/Abort Lambertson Installation Final leak check complete Final alignment complete Shielding being completed this morning To Do List: Install 20” quad end plates Water connections (today) Remove portable shielding Clean up 7

Miscellaneous MI LCW leaks: Q 102 - Small leak on aisle side, lower corner. Diverted Q 126 – Repaired, testing complete Q 302 – Repaired, testing complete Bus leak at Q 307 – fixed MI-40 Lambertson #2 LCW connection leak repaired Q 428 – Will address Monday Bus leak in MI-50 alcove - patched Q 503 – Will address Monday Dipole 636 -2 leak on bus connection repaired, tested Multiple valves leaking 3

Other Work MI-10 Injection Kicker Flourinert skid had a broken flow switch - replaced MI-30 Injection Kicker internal fault Replaced kicker MI-52 sump repair was repaired Gravel found packed in discharge line Tunnel cleaning complete 4

Going Forward MI-10 sector work to be completed today Remove welding equipment from 636 Final walk-through will follow Looking for opportunities to hipot and energize MI bus Need final CDC tests 5

Weekend Startup Activities MI Power Supply Startup: • Friday Evening, Saturday Owl shifts (Operations) Ø Lowpot and Clear Bus Ø Search and secure tunnel Ø Hipot Ø Rack in 13. 8 KV Ø Close VCBs to warm transformers • Saturday, Sunday (MI, EE support, and Operations) Ø Establish ramps, slow warm up Ø Power supply regulation studies(EE support) • Monday, … Ø Access to repair remaining water leaks, remove equipment, and prepare for beam operations 6 12/14/2021