 |
| Operation Summary for January 2, 2012 - January 4, 2012 |
|
Monday January 2 The day shift began with Operations monitoring the Linac, Booster, and Main Injector (MI), and with the NuMI and MiniBooNE experiments taking beam. During the day shift, a MI RF station (MIRF12) tripped off for the first of four times in 22 minutes; it reset. Operations established beam to Meson FTBF experiment T-1015 at 10 AM. MIRF12 tripped off at 3:21 PM and would not reset remotely; Operators reset it locally. During the evening shift, at 4:14 PM, the MiniBooNE beam permit tripped off for the first of three times in a little over an hour; it reset. At 5:26 PM, BRF19 tripped off or the first of four times in 34 minutes; it reset. Operations disabled T-1019 beam at 10:08 PM. Tuesday January 3 The midnight shift began with Operations sending beam to the NuMI and MiniBooNE. During the midnight shift, at 1:49 AM, the Booster West Anode power supply tripped off for the first of two times in nine minutes; it reset. At 2:50 AM, BRF17 tripped off for the first of five times in two hours and 44 minutes; it reset. Operators loaded protons into the Recycler at 7:59 AM. During the day shift, Operations established beam to T-1019 at 10:17 AM. Muon Rings personnel began a study at 2:01 PM. During the evening shift, the Muon Rings study ended at 5:50 PM. Operations disabled beam to T-1019 at 10:01 PM; this ended T-1019’s run. At 10:54 PM, the MiniBooNE beam permit tripped off when a Switch magnet’s power supply (MBEX) drifted low; Operators power cycled the supply. Around 11 PM, the I- Source’s output began to drop off; Operators worked at stabilizing and recovering it. Wednesday January 4 The midnight shift began with Operations sending beam to the NuMI and MiniBooNE. During the midnight shift, at 2:05 AM, an I- Source vacuum pump power supply tripped off; it reset. A Muon Rings person began a study at 6:39 AM. Operations Coordinator (OpsCo) Plans for Today The OpsCo approved of the plans by Booster and Muon Rings personnel to conduct studies. There will be a four-hour shutdown for MI to investigate and repair (if possible in the time allowed) its vacuum valve problem, on Thursday (1/5/12), starting with beam off at 6:30 AM and with beam returning around 10:30 AM. Other machine maintenance will also be conducted during this time. |
|
More Information Comments and Suggestions
|
| last modified 01/04/2012 email Fermilab |
