 Wednesday, September 13, 2017, 10:05, David Wang, Conditioning Station, Repair, TM3, , Switch off TCS water system and vacuums
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| Preparing vent the TCS/TM3. We will remove TM3 service tray cover plate after venting. |
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Wednesday, September 13, 2017, 16:05, David Wang, Conditioning Station, Repair, TM3, , remove Tm3 service tray cover plate
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| TM3 service tray cover plate has been removed. It is bagged and placed to TH b2 level south wall beside the silo. |
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Wednesday, September 13, 2017, 16:13, David Wang, Conditioning Station, Repair, TM3, , TCS turbo pumps are started.
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| TCS and TM3 all vacuum pumps are started. Everything is fine. |
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Tuesday, September 19, 2017, 10:40, chad fisher, South Hot-Cell, Maintenance, , , South East Manipulator Maintenence
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Entered hot cell to preform replacement of slave tong cable. Existing cable shows no signs of wear so it has been re-installed. A spare tong cable has
been loaded into a spare tong while in the hot cell in preparation for next time this cable needs to be replaced. |
Wednesday, September 20, 2017, 13:38, chad fisher, South Hot-Cell, Repair, TM2, , TM2 Insulator replacement 
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| Broken insulators ITD0053 and ITD0054 have been uninstalled from TM2. |
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Thursday, September 21, 2017, 12:07, chad fisher, South Hot-Cell, Repair, TM2, , Insulator Replacement
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Insulators ITD0053 and 54 have been replaced. All fasteners torqued to 56 in lbs.
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Thursday, September 21, 2017, 16:26, Anders Mjos, South Hot-Cell, Standard Operation, TM2, , Inspection of Source Tray
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Chad and Anders inspected the Source Tray today using the camera in the hot cell. A dark spot was observed on one of the four insulators separating the
Extraction Electrode from the Ground Electrode. This could potentially influence the high leakage current. Some discolored areas were also observed in
the Service Tray, but these was present when the module was built. See attachment for details. |
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Friday, September 22, 2017, 12:13, David Wang, South Hot-Cell, Maintenance, TM2, , TM2 service cap inside inspection.
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Two side panels on TM2 service cap were removed for TM2 service cap inside inspection. A piece of cable tie was found inside cap closing to service tray
entrance area. All blue nylon insulators are inspected. They look good. The broken cable tie is moved out of service cap.
Panels are installed back after the inspection. |
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Friday, September 22, 2017, 14:15, chad fisher, South Hot-Cell, Repair, TM2, , TM2 containment box off
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| TM2 containment box has been removed. Found a piece of capton tape or tubing under table (see picture). |
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Thursday, September 28, 2017, 10:50, David Wang, Conditioning Station, Standard Operation, TM2, , Helium pressure test on TM2 window and HS water lines at TCS.
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I did helium pressure test on TM2 containment box window and HS line at TCS. @ 70psi helium for 3 minutes, HS:2.2XE-7 atm.cc/sec., Window:1.2XE-7
atm.cc/sec. There is no change on HS. But LR on window is bigger than before that was in E -9atm.cc/sec range. |
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Thursday, September 28, 2017, 15:34, Anders Mjos, Conditioning Station, Development, TM2, , Changes to MP3 startup
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Due to problems with the regulating valve WPV1, the VFD (Variable Frequency Drive) for the pump has been programmed to do a slow (2 min) ramp up.
WPV1 has been bypassed and left fully opened. Work was done by Dave Morris |
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Thursday, October 05, 2017, 11:04, Anders Mjos, ITW, Maintenance, , , Installation of new valve for module move ventilation
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| David installed the new ball valve and connections for the SAS project module move ventilation. SASP0482. Drawing reference ISK5029B. |
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Friday, October 06, 2017, 11:12, Isaac Earle, North Hot-Cell, Development, , , NHC module port shield block and TCS vessel shield block installed
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The NHC module port shield block (IRH1645) and the TCS vessel shield block (IRH1646) were installed yesterday in the target hall according to assembly
drawing IRH1652. No issues were encountered during installation. Vacuum was pulled on the TCS and a leak check was performed on the shield:
no leaks found. |
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Friday, October 06, 2017, 11:21, Isaac Earle, North Hot-Cell, Development, , , ISAC-1 active sump drain pipe modified
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The 4" PVC drain line in the ISAC-1 active sump was modified so that the drain pipe terminates below the low level water line of the automatic pump-out
system. This will prevent backflow of sump gasses into the SHC, NHC, or TCS space if the air pressure in any of those rooms are lower than the sump
air pressure. The details of the modification were specified by Mechanical Services Group, and the work was done by Paul Jensen. This system |
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Friday, October 06, 2017, 13:25, Anders Mjos, Conditioning Station, Repair, , , HV Test
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| HV was brought up to 70 kV for 1 h without sparks to test the new water installation. |
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Tuesday, October 10, 2017, 10:38, David Wang, ITW, Standard Operation, , , 5 shielding blocks have been transferred from ITE to ITW .
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| ITW is configured to take proton beam. |
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Tuesday, October 10, 2017, 10:45, David Wang, Conditioning Station, Repair, , , Re-route TCS water lines. 8x
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TCS cooling polyurethane lines have been re-routed to solve to HV sparking issue on old configuration between lines and bais plate. New re-routed
system is tested to 70KV without spark. No leak has been found on new lines after the test.
ECO 4369, drawings and models IRH1715, IRH1716 have been issued and released for this job. Drawings and Models are located in PDM-ISAC1 -TCS polyurethane |
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Wednesday, October 11, 2017, 15:50, Keith C Ng, Assembly/Bench Test, Standard Operation, , , spare source tray build alignment
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Spare source tray build continued. |
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Thursday, October 12, 2017, 08:48, Travis Cave, Spent Target Vault, Standard Operation, , , Field measurements of the old source trays
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Field measurements were taken of the old source trays. The old TM#2 source tray had a minimum field value of 0.50 mSv/hr and a maximum of 1.18
mSv/hr through 360 deg of rotation. The box was rotated around three times and put back in the vault. TM#1 old source tray was also removed and measured
as well the field values for it were a minimum of 0.52 mSv/hr and a maximum of 1.15 mSv/hr through 360 deg of rotation. The box was rotated around three |
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Friday, October 13, 2017, 11:14, Keith C Ng, Assembly/Bench Test, Standard Operation, , , source tray alignment/build
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Source tray is complete for brazing, gas line bracket is currently missing but can be made in parallel with tube bending operations.
Source tray water lines to be fabricated according to ITA6144 drawing set.
- Alignment between target mounting plate and steerer cone is holding within .002" |
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