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New entries since:Wed Dec 31 16:00:00 1969
ID Date Author Category Type Moduledown Target/Number Subject
  228   Tuesday, January 08, 2013, 14:18 Travis CaveSouth Hot-CellStandard OperationTM1no targetElectrical check

TM#1 was electrically check with out a target see attached PDF for results.

Attachment 1: TM#1_no_tgt_Jan_8_2013.PDF
TM#1_no_tgt_Jan_8_2013.PDF
  230   Monday, January 14, 2013, 14:09 Travis CaveITWStandard OperationTM1no targetmodule move

TM#1 has been moved from the south hot hell to the west target station, move went well.

  231   Tuesday, January 15, 2013, 10:49 David WangITWStandard OperationTM1no targetTM1 vacuum system connection in ITW

I connected TM 1 vacuum system in ITW. The TM1 and ITW will be pumped out for shut down routine leak check.

  240   Thursday, January 24, 2013, 13:30 David WangITWStandard OperationTM1 ITW-TM1 2013 winter shut down leak check.

2013 winter shut down ITW-TM1 primary vacuum vessel, secondary vacuum vessel, and water lines leak check: connected leak detector to TP2(primary and water lines) and TP4S (secondary). base leak rate 0.0xE-9atm.cc/sec,base pressure 0.0XE-4torr. Sprayed helium to all primary vacuum seal and there is no response on leak detector. Helium pressurized all water lines(except HS) at 70psi ,3mins.Tube heat(+) no response, tube heater(-)1.6xe-9atm.cc/sec, target oven(-)5.8xe-9atm.cc/sec, target oven (+) 6.9xe-9atm.cc/sec, EE 5.7xe-9atm.cc/sec, MSP no response, window 7.5 xe-9atm.cc/sec.All water lines are water leak free.  Two leaks had been found on secondary vacuum vessel. One is on exit 1 to tank o-ring (east side, E-N corner). The leak detector got   responses from 1.4 to1.7 xe-7 atm.cc/sec scale . The test  hadbeen repeated 4-5 times and   confirmed the location   . The second one is a small leak which  is on exit 2 to tank o-ring(east side, close to E-N corner). The leak detector got  responses from 1.4 to 1.8xe-8atm.cc/sec scale. The test had been repeated 3 times and confirmed the location. As the present plan. we will replace the exit1 to tank o-ring during this year shut down time.

  245   Thursday, February 21, 2013, 14:05 David WangITWRepairTM1 Disconnected EXIT1 in ITW.

Disconnected EXIT1 in ITW. All cables , wires and air lines are label marked.

  248   Tuesday, February 26, 2013, 10:26 Travis CaveITWStandard OperationTM1 module move

TM1 moved from the west station to the southwest silo. Move went well.

  282   Tuesday, April 02, 2013, 10:07 chad fisherSouth Hot-CellStandard OperationTM1Ta#39Ta#39 inserted into hot cell

Ta#39 has been inserted into the hot cell in preparation for TM1 target change.

  283   Wednesday, April 03, 2013, 10:59 Travis CaveSouth Hot-CellStandard OperationTM1no targetmodule move

TM#1 has been moved from the south west silo to the south hot cell, move went well.

  285   Wednesday, April 03, 2013, 13:28 chad fisherSouth Hot-CellStandard OperationTM1Ta#39Ta#39 installed

Ta#39 has been installed onto TM1.

  286   Wednesday, April 03, 2013, 14:39 Travis CaveSouth Hot-CellStandard OperationTM1Ta#39Electrical check

Electrical check on TM#1 with Ta#39 installed at the south hot cell. Target passed the electrical checks, see attached pdf for details.

Attachment 1: TM1_Ta39_SHC_ELEC_CHK.PDF
TM1_Ta39_SHC_ELEC_CHK.PDF
  287   Thursday, April 04, 2013, 11:06 Travis CaveSouth Hot-CellStandard OperationTM1Ta#39module move

TM#1 with Ta#39 has been moved from the south hot cell to the conditioning station move went well.

  288   Thursday, April 04, 2013, 12:07 Bevan MossConditioning StationStandard OperationTM1Ta #39Roughing started

 Roughing started at 12:06. It was believed there was a problem with the compressed air but there was none, TM1 doesn't leak and so you cannot hear that the connection is made.

  289   Thursday, April 04, 2013, 14:31 Bevan MossConditioning StationStandard OperationTM1Ta #39Roughing started

Bevan Moss wrote:

 Roughing started at 12:06. It was believed there was a problem with the compressed air but there was none, TM1 doesn't leak and so you cannot hear that the connection is made.

 Roughing stopped as the module and cover requires modifications that require the vacuum to be opened.

  290   Monday, April 08, 2013, 09:01 Travis CaveConditioning StationStandard OperationTM1Ta#39Electrical check

TM#1 with Ta#39 at the conditioning station, has failed its electrical test see attached pdf for details. Also while setting up for the electrical test one of the high powered flexible connectors popped out its crimp and another is working it out its crimp.

Attachment 1: TM1_Ta39_CS_ELEC_CHK.PDF
TM1_Ta39_CS_ELEC_CHK.PDF
  291   Monday, April 08, 2013, 12:10 Travis CaveConditioning StationStandard OperationTM1Ta#39Electrical check

TM#1 with Ta#39 had the electrical check done on it again it passed, changes this time were the water lines were purged and it was under a better then roughing vacuum. See the attached pdf for details.

Attachment 1: TM1_Ta39_CS_ELEC_CHK2.PDF
TM1_Ta39_CS_ELEC_CHK2.PDF
  292   Monday, April 08, 2013, 16:16 Bevan MossConditioning StationStandard OperationTM1Ta #39Venting with Argon

 TM1 started venting at 4:15 pm with Argon. I will leave the valve open over night.

  293   Tuesday, April 09, 2013, 09:06 Travis CaveConditioning StationStandard OperationTM1Ta#39Electrical check

TM#1 with Ta#39 has not passed it electrical check again, while sitting at the conditioning station at air. The readings have not been consistant. See the current PDF for details.

 

TM#1 with Ta#39 electrical check at the target station see attached PDF (CHK 4).(April 9th 2013) PASSED

TM#1 with Ta#39 electrical check at the target station see attached PDF (CHK 5).(April 10th 2013) PASSED

Attachment 1: TM1_Ta39_CS_ELEC_CHK3.PDF
TM1_Ta39_CS_ELEC_CHK3.PDF
Attachment 2: TM1_Ta39_CS_ELEC_CHK4.PDF
TM1_Ta39_CS_ELEC_CHK4.PDF
Attachment 3: TM1_Ta39_CS_ELEC_CHK5.PDF
TM1_Ta39_CS_ELEC_CHK5.PDF
  294   Thursday, April 11, 2013, 07:18 David WangConditioning StationMaintenanceTM1Ta#29helium pressure tested all water lines in TM1 at CS

On April 08th, all water lines in TM1 had been helium pressure tested(70psi) at conditioning station. No leak had been found.

  295   Friday, April 12, 2013, 10:27 David WangITWStandard OperationTM1 I reconnected TM1 to ITW.

TM1 has been reconnected in ITW. Water interlock check for TM1 is done.

  296   Friday, April 12, 2013, 10:32 David WangITWRepairTM1 ITW EXIT1 tank to module o-ring leak check.

I leak checked new installed ITW EXIT1 tank to module o-ring.No leak had been found . Also ,TM1 primary vessel air to vacuum seals had been checked at the same time. There was no response had been found on leak detector.

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