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  RH-ISAC, Page 34 of 138  Not logged in ELOG logo
ID Date Author Category Type Module Target/Number Subject
  2095   Friday, May 22, 2020, 13:26 David WangITWRepair  ITW water leak.

A water leak was found on a fitting connecting ITW dump return line pressure gauge on top of exit module. TM tank flange, o-ring slot and o-ring were contaminated by water and water rust. Frank and I cleaned the flange and o-ring slot . We changed a new TM tank o-ring, vacuumed around other 3 module flanges. The leak fittings with pressure gauges were removed . I put a blind cap on removed fitting spot.. Water are switched back to ITW. No leak on blind cap.

Attachment 1: itw_water_leak_001.JPG
itw_water_leak_001.JPG
Attachment 2: itw_water_leak_005.JPG
itw_water_leak_005.JPG
Attachment 3: itw_water_leak_009.JPG
itw_water_leak_009.JPG
Attachment 4: itw_water_leak_013.JPG
itw_water_leak_013.JPG
  2094   Wednesday, May 20, 2020, 13:30 David WangSafe Module ParkingMaintenance  Silo area radio active waste clean up.

Sorted and packed one 55 gallon drum with low contamination and active stuffs which are placed around silo area in the past. They include old poly water cooling lines replaced from ITE, ITW and TCS, contaminated paper  rags , gloves, and plastic bags,air cooling fans for turbo pumps, EE resistor packaged used on module top before, flow meters and cables used in ITW, etc. After packing, The field outside the drum on contact is less than 10 usv/hr.

  2093   Wednesday, May 20, 2020, 13:19 David WangITEMaintenance  Restart of ITE turbo pumps.

PLC6 drop out in weekend caused the ITH MP1 and MP1s stopped. ITE turbo pumps were running still after that. Without back up pump, TPs started to trip off  later .  I found TP1,TP3, and TP4 were  tripped off this morning. And , The rest pumps ran with high current draw.  Jon Aoki restarted back up pumps and ITE turbo pumps. The ITE vacuum system works fine now.

  2092   Wednesday, May 20, 2020, 13:08 David WangCoolingStandard Operation  Start of HALCW sysytem

High  active water pump is started. The system resistance is recovering now. Everything works fine so far. Check ITW and ITE water leak after pump is started. Tiny very slow seep on two small ball valves pack seal. No big concern.                                 

  2091   Friday, March 27, 2020, 08:45 Matthew GareauNorth Hot-CellMaintenance  Issues with the manipulators

 This is a link to all of the issues with the NHC manipulators that I know of

https://documents.triumf.ca/docushare/dsweb/View/Collection-27663/Document-180176

  2090   Thursday, March 19, 2020, 15:48 Anders MjosConditioning StationMaintenance  Filter replacement in water system March 5th

Filters were replaced by Curtis von Cube on March 5th. See work permit for details I2020-03-05-5

  2089   Wednesday, March 18, 2020, 10:40 David WangITEDevelopmentTM4 TM4 P2N target connection checklist.

TM4 has been connected in ITE. See checklist.

Attachment 1: P2N_TM4_connection_checklist.pdf
P2N_TM4_connection_checklist.pdf P2N_TM4_connection_checklist.pdf P2N_TM4_connection_checklist.pdf P2N_TM4_connection_checklist.pdf
  2088   Tuesday, March 17, 2020, 14:59 David WangITEDevelopmentTM4P2NITE turbopumps are started.

They work fine. Current draw on all pumps are normal. I asked operator to switch on IG1 , IG1S and PNG4.

  2087   Tuesday, March 17, 2020, 12:58 David WangSouth Hot-CellDevelopmentTM4 P2N target electrical check and leak check at SHC.

See attachment. Everything looks good.

Attachment 1: P2N_target_electrical_chek_at_SHC.pdf
P2N_target_electrical_chek_at_SHC.pdf
  2086   Tuesday, March 17, 2020, 11:42 Travis CaveITEStandard OperationTM4P to N targetModule move

 TM#4 with the P to N target has been moved from the south hot cell to the east target station.

  2085   Monday, March 16, 2020, 09:25 Travis CaveSouth Hot-CellStandard OperationTM4no targetModule move

 TM#4 has been moved from the silo to the south hot cell.

  2084   Friday, March 13, 2020, 09:24 Travis CaveITEStandard Operation  Entrance module move

 The east entrance module has been moved from the south hot cell back to the east target station.

  2083   Thursday, March 12, 2020, 13:48 David WangITERepair  Entrance module TP1S broken piesces clean up.

The broken pieces in ITE entrance vacuum pit are vacuumed out.  At SHC, There are 4 pieces on module collimator block top,  wiring scanner top. Chad removed them out at SHC. Electrical check at module top is done by diagnostics group. Everything works fine.

  2082   Thursday, March 12, 2020, 13:42 David WangITE/ITWDevelopment  New ITE IGLIS cables installation

New IGLIS cables installation is done. Two bundle of new cables are pulled from ITE to electrical room. They are in one PVC conduit. The old cables are not removed yet. I will pull old cables out when new cables are installed onto device in ITE Faraday cage.

  2081   Wednesday, March 11, 2020, 10:39 Travis CaveITEMaintenance  Entrance module move

 The entrance module has been moved to the east station to the south hot cell for inspection from the turbo pump explosion.

  2080   Monday, March 09, 2020, 14:31 David WangITE/ITWStandard Operation  TH emergency exit test.

Frank and I did the test.  The emergency exit hatch on roof was opened and closed twice. Everything works fine.

  2079   Friday, March 06, 2020, 09:51 David WangSouth Hot-CellStandard OperationTM2 TM2 was moved from SHC to SMP yesterday.

TM2 was moved from SHC to SMP yesterday.  The move is successful. TM2 is located at SMP. There is no hot target on module so SMP vacuum is not started.

  2078   Friday, March 06, 2020, 09:35 David WangSpent Target VaultStandard Operation SiC #39Spent target SiC#39 removal from SHC to storage vault.

Spent target SiC#39 is removed from SHC to storage vault at 4C in pail #227.The move is successful.  Note:The small aluminum block holding wire on pail lid could be contaminated by SHC manipulator during the lid installation in SHC.

  2077   Thursday, March 05, 2020, 07:16 David WangSouth Hot-CellStandard OperationTM2SiC #39TM2 SiC #39 post run electrical checklist

 Electrical check result is fine.  See attachment.

Attachment 1: SiC_#39_post_run_cheklist..pdf
SiC_#39_post_run_cheklist..pdf SiC_#39_post_run_cheklist..pdf
  2076   Wednesday, March 04, 2020, 14:30 David WangSafe Module ParkingStandard OperationTM2 Remove of TM2 from SMP to SHC.

Frank and I removed TM2 from SMP to SHC. The move is successful.

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