 Friday, September 07, 2018, 10:55, David Wang, ITE, Standard Operation, TM4, UCx 24#, TM4 has been connected to ITE/ Checklist 
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| TM4 has been connected to ITE on Sep 04th. See attachment for checklist. |
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Tuesday, October 02, 2018, 09:49, David Wang, ITE, Standard Operation, TM4, UCx 24#, TM4 was disconnected in ITE.
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| TM4 was disconnected in ITE yesterday. See attachment for checklist. |
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Monday, July 27, 2015, 17:03, David Wang, Conditioning Station, Standard Operation, TM4, UCx 13, UCx13 and TM4 under vacuum at CS.
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I connected the CS vacuum system to TM4. The CS and TM4 turbo pumps are started. Everything is good so far. The HS line will be pressured
with helium tomorrow for leak checking. The CS and TM4 will be vented with Argon on Wednesday morning as planned before moved to ITE. |
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Tuesday, July 28, 2015, 10:12, David Wang, Conditioning Station, Standard Operation, TM4, UCx 13, Helium pressure test on TM4 HS line at CS
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I did the helium pressure test on TM4 HS line at CS. Applied 70 psi helium 2 minutes. base leak rate0.0x E-9 atm.cc/sec. No response during
the test. No leak. |
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Wednesday, July 29, 2015, 06:24, David Wang, Conditioning Station, Standard Operation, TM4, UCx 13, Stopped the CS and TM4 pumps and vent with argon.
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| Dan and I stopped the CS and TM4 pumps. We are venting the CS with argon for UCX13 target. |
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Tuesday, September 15, 2015, 08:24, David Wang, South Hot-Cell, Repair, TM1, UCx 13, Leak check on TM1 window circuit soldering stems in service cap.
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I did a leak check on TM1 window circuit 2 soldering stems in service cap.The round side panel was opened for the job. I sprayed helium on
the stems for 10 seconds. The leak detector got a tiny response(from 0.0xE-9 atm.cc/sec to 2.0xE-9 atm.cc/sec). The test repeated again. The second
time, LD climbed to 1.2xE-9atm.cc/sec. It looks like there is a very tiny leak on the stems soldering spots. But , this is not the same leak we found |
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Tuesday, December 01, 2015, 14:30, David Wang, ITE, Standard Operation, TM4, UCx 13, TM4 has been connected in ITE
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| TM4 has been connected in ITE. All turbo-pumps are started. Everything is good so far. |
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Monday, June 02, 2014, 11:25, chad fisher, South Hot-Cell, Standard Operation, TM1, UCx #9, UCx #9 Installed
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| UCx #9 has been installed. |
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Tuesday, January 07, 2025, 12:05, David Wang, ITE, Standard Operation, TM3, UCx #47, ITE primary and secondary vacuum vessel leak check for 2025 shut down
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ITE primary and secondary vacuum vessel leak check for 2025 shut down have been done. No leak. The TM3 waterlines helium pressure test will be
done at TCS when module is there.
TM3 water lines helium pressure test are done. 70 psi helium 3 minutes to each line( except HS which has no target on it ) . leak detector |
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Thursday, February 17, 2022, 13:24, David Wang, Spent Target Vault, Maintenance, , UCx #34, Repackage of UCx #34in NHC.
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UCX34# in pail 258(Vault lot 7C) has been repacked today. It is an investigation to find a possible leak source of radioactive Iodine in vault. The new
pail number is 268. It is back to vault 7c . I wrote down the information in log book. The job is smooth today. I retrieved UCx 34 old pail and liner
to TH. The liner from UCx#34 only has 3000 counts. I bagged it. It could be used later. However, the pail has 500K counts contamination on bottom |
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Tuesday, November 22, 2011, 15:07, Bevan Moss, Conditioning Station, Standard Operation, TM1, UCx #3, HV testing
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High Voltage (HV) testing was completed on TM1 today. Vacuum was very good 1.9 x 10^-7 T in the service cap, 3.2 x 10^-7 in the containment box,
and 2.0 x 10^-6 in the secondary. The voltage was successfully brought up to 27kV with a current draw of 0.12mA and o sparking. At the next step, 30 kV,
the current draw was above 0.3mA and sparking was beyond 20 sparks per minute. The module should not be taken above 27kV. There is the possibility this |
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Thursday, August 18, 2011, 13:12, chad fisher, South Hot-Cell, Standard Operation, TM1, UCx #2, UCx #2 Installation
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UCx #2 has been installed onto TM1.
Installation went well except the left leg got bent slightly sometime between testing on the jig and installation onto the module (probably
during removal for the argon filled bag). Leg was gentle offered into place and its clearance with the heat shield double checked with both a mirror |
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Thursday, August 07, 2014, 13:58, David Wang, South Hot-Cell, Standard Operation, TM4, UCx #10, Leak check on TM4 HS water line with new UCX target.
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Isaac and I leak checked TM4 HS line with new UCX target. The leak detector base LR 0.0xE-9 atm.cc/sec, base pressure0.0xE-4torr. Isaac sprayed helium
on both VCR connections(5 seconds each) and flushed helium around the target for 6 seconds. No response on leak detector. |
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Thursday, August 07, 2014, 17:07, David Wang, Conditioning Station, Standard Operation, TM4, UCx #10, TM4 is connected in CS.
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| TM4 is connected at CS. All turbo pumps are started. The pumping down is good so far. |
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Friday, August 08, 2014, 08:47, David Wang, Conditioning Station, Standard Operation, TM4, UCx #10, helium pressure test on TM4 HS water line at CS.
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| Helium pressure test on TM4 HS water line at CS is finished. 80psi helium no leak. |
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Monday, August 11, 2014, 14:30, David Wang, ITE, Standard Operation, TM4, UCx #10, TM4 is connected in ITE.
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| TM4 is connected in ITE. All ITE turbo pumps are started. I will check the pumping down process tomorrow morning. Everything is fine so far. |
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Tuesday, September 23, 2014, 11:49, David Wang, ITE, Standard Operation, TM4, UCx #10, TM4 has been disconnected in ITE.
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| TM4 has been disconnected and moved to SHC from ITE. ITE was vented with argon before move. |
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Thursday, August 02, 2012, 07:48, David Wang, Conditioning Station, Standard Operation, TM1, UCx, TM1 UCx target heat shield helium pressure check is done.
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Connected leak detector to TM1 and CS vacuum system. The vacuum readings on TM1 and CS:PNG4 3.6 xE-6 Torr, IG1 1.1xE-6torr, IG4(diagnostic box) 3.4xE-6
Torr. Leak detector base pressure:0.0xE-4 torr, base leak rate: 0.0xE-9 atm.cc/sec. Applied 80 psi helium to heat shield circuit for 4 mins . There
is no response on leak detector. The heat shield circuit is leak tight. |
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Tuesday, August 14, 2012, 14:27, David Wang, ITW, Standard Operation, TM1, UCx, TM1connection in ITW
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| Connected TM1 in ITW,started 6 turbo pumps, and finished TM1 water interlock check . Every thing is good so far. |
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Wednesday, September 12, 2012, 11:59, David Wang, ITW, Standard Operation, TM1, UCx, TM1 disconnected in ITW
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I removed 5 shielding blocks from ITW to block storage area, and disconnected TM1 in ITW. After UCx run, the radioactive level around the turbo
pumps and primary vacuum lines are pretty high. This affect the general field inside the ITW pit around working area.i took 15 minuts to finish the job
and i got 0.1msvr dose. the general field around my working area is about 350 usv/h. |
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