 Friday, March 11, 2022, 15:09, Adam Newsome, Maintenance, Target 2, Cooling, Filters replaced: T2 cooling system
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| All filters were replaced for the T2 cooling system: demineralizing resin circuit and target water system. |
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Monday, March 14, 2022, 14:08, Adam Newsome, Maintenance, Target 1, Cooling, T1 cooling system: filled, tuned, leak-checked
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The T1 cooling system was refilled with water via the expansion tank until the tank level read approximately 38 cm.
The system pump was restarted. All sensors displayed acceptable nominal values. Demin flow was tuned to 1.0 gpm.
No leaks or abnormalities observed - system running normally. |
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Monday, March 14, 2022, 14:09, Adam Newsome, Maintenance, Target 2, Cooling, T2 cooling system: filled, tuned, leak-checked
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The T2 cooling system was refilled with water via the expansion tank until the tank level read approximately 38 cm.
The system pump was restarted. All sensors displayed acceptable nominal values. Demin flow was tuned to 1.0 gpm.
No leaks or abnormalities observed - system running normally. |
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Wednesday, April 13, 2022, 12:31, Adam Newsome, Standard Operation, Target 2, Target, T2-MK2 moved: from target station to storage
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The T2-MK2 target was moved from the target station to the storage area (position 3). Upon removal, it was measured with a pole monitor at 0.5 m to be
960 mSv/h. |
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Wednesday, April 13, 2022, 12:33, Adam Newsome, Standard Operation, Target 2, Target, T2-MK1 moved: from storage area to target station
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The T2-MK1 target was moved from the storage area (formerly position 4) to the target station. Services were reconnected in order to prepare for normal
operation. |
Thursday, April 14, 2022, 14:38, Adam Newsome, Other, Target 2, Diagnostics, Issue with Protect Monitor SHV Cable 
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Diagnostics group (Shengli Liu) noted a lack of connectivity between control panel and T2 Protect Monitor via the high voltage cable. Upon inspection
it was noted:
The cable was very brittle due to radiation exposure and it was cracking in multiple places
In the SHV connector, the |
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Wednesday, May 04, 2022, 11:27, Adam Newsome, Standard Operation, Target 2, M9, M9 and M20 Beam Blocker Actuation Test
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The beam blockers for M9 and M20 were actuated, and vacuum was monitored to ensure no disruptions. Both actuation tests were successful. Motion was observed
and no abnormalities noted. Cabling and air connections checked: OK.
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Thursday, May 05, 2022, 14:38, Adam Newsome, Maintenance, Target 2, Controls, T2-MK1: profile monitor actuation check and repair to connector
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An attempt was made to actuation the T2 profile monitor, however it showed up in EPICS as being not present. Furthermore, the "Remote"
indicator light on the physical controller was not lit up despite the switch being in remote mode. The limit switch indicator light was working.
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Thursday, May 05, 2022, 14:39, Adam Newsome, Standard Operation, Target 1, Target, T1-MK1 and T2-MK1 profile monitor actuation test
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The profile monitor actuation tests were completed for T1 and T2. No abnormalities were noticed in vacuum during either test.
Note: an issue was observed with T2-MK1 - see e-log 290. The issue was resolved. |
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Wednesday, May 25, 2022, 10:15, Adam Newsome, Standard Operation, Target 1, Target, T1-MK2 moved from hot cell to storage area
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The T1-MK2 target was moved from the hot cell to the storage area, in position 5. Note: manual nudging of the flask was required to get it to align with
guide pins properly. |
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Wednesday, May 25, 2022, 10:16, Adam Newsome, Standard Operation, Target 2, Target, T2-MK2 moved: from storage location to hot cell
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| Target T2-MK2 was moved from the storage location (formerly position 3) to the hot cell in preparation for replacement of end of life targets. |
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Wednesday, June 08, 2022, 08:59, Adam Newsome, Other, Target 2, Cooling, T2 flow rate sensor (BL1A:T2CS:FGTGT ) - warning and trip limits adjusted
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See fault 14966:
Normal
0
false
false
false
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Wednesday, July 06, 2022, 12:49, Adam Newsome, Repair, Other, Hot Cell, Hot Cell - Helium wand tubing broken
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The tubing for the helium wand inside the hot cell is broken and needs to be replaced. More tubing has been ordered and the job will be completed in
the coming weeks. |
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Wednesday, July 06, 2022, 12:52, Adam Newsome, Other, Other, Hot Cell, Potential hot cell window oil leak
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Some oil was noticed around the hot cell window, on the control panel, and on the ground below the control panel. A leak is suspected.
Suggest tightening all bolts to specified torque along the window, and monitoring overflow oil level (position today was marked). If the problem |
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Thursday, July 28, 2022, 12:51, Adam Newsome, Repair, Other, Hot Cell, Meson Hall Hot Cell - Nuclear Ventilation Issue
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It was reported today by Peter Bratt that the nuclear ventilation system for the hot cell is not functioning. At this time, the cause of the issue is
unknown. Remote Handling and Electrical Services are investigating. This e-log will be updated when the issue is resolved.
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Monday, August 22, 2022, 09:01, Adam Newsome, Standard Operation, Other, Active Sump, Active Sump Draining
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On Aug. 18, 2022, Operations informed RH group that an alarm activated for the full status of the MHESA B1 RCR1 Lab holding tank. Additionally another
alarm was reported in the RH control room regarding the RH sump full (Southwest Meson Hall Extension - Remote Handling area). However, there is an alarm
signal for the RH sump that was seen as OK at the MHESA Lab HMI. |
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Tuesday, August 23, 2022, 14:36, Adam Newsome, Standard Operation, Other, Other, BL1A Holding Tank - Level Check
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| The water level inside the BL1A active water holding tank was checked today (Aug. 23, 2022). The tank is essentially empty at this time. |
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Tuesday, August 30, 2022, 14:24, Adam Newsome, Maintenance, Other, Hot Cell, Nuclear Ventilation - Filter Change
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Mechanical Services Group changed the pre-filter in the ventilation system on Aug. 29, 2022 as per work permit C2022-08-29-2.
It is recommended that Mechanical Services change the HEPA filter as soon as possible. These filters are on order with approximately 7 month lead |
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Thursday, September 15, 2022, 14:34, Adam Newsome, Standard Operation, Target 2, Target, T2-MK2 target elevations measurement
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The target elevations measurement and beam spot checks were completed on Sept. 15, 2022. This was done after a July 2022 target exchange for target positions
3 and 5.
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Tuesday, October 04, 2022, 09:59, Adam Newsome, Maintenance, Target 2, Cooling, T2 cooling package maintenance - mini-shutdown 2022
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The following maintenance tasks were performed during mini-shutdown of 2022 with the goal of resolving the Fault 14966 (target water flow rate low).
Replace the o-ring, paddle wheel, and shaft on the following flow rate sensors:
Q1 (FGTGT)
Q2
Q4
Replace the demineralizing flow metering valve with a new needle valve (the old one was flaky and appeared |
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