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  RH-ISAC, Page 50 of 138  Not logged in ELOG logo
ID Date Authordown Category Type Module Target/Number Subject
  2669   Wednesday, August 21, 2024, 10:53 Travis CaveSpent Target VaultStandard Operation TiC#7Spent Target Move

 TIC#7 was placed in pail #294 and then moved from the south hot cell to the spent target vault spot 4B. It was 82.3mSv/hr when removed from the SHC. See attached PDF for details.

  2670   Monday, August 26, 2024, 09:57 Travis CaveSpent Target VaultStandard Operation Nb#10Spent Target Move

 Nb#10 was placed in pail#295 and moved from the south hot cell to the spent target vault, spot 4A, it was 230uSv/hr when removed from the SHC. See attached PDF for vault details.

  2707   Tuesday, October 15, 2024, 13:44 Travis CaveSpent Target VaultStandard Operation TiC#8 and Ta#67Spent Target Move

 On Friday October 11th TiC#8 and Ta#67 were place in the spent target vault in Tray 8. See attached PDF for details. 

  2709   Thursday, October 24, 2024, 10:42 Travis CaveSpent Target VaultStandard Operation SiC#44Target repacked moved to the mini vault.

 On October 22 2024 the spent SIC#44 returned from CNL was repacked in a new pail it was in pail 275 and repacked into pail 298 it was 2.34mSv/hr when removed from the south hot cell.

It was placed in the very back of the mini vault. 

  2714   Friday, November 08, 2024, 10:39 Travis CaveSpent Target VaultStandard Operation TiC#9Spent Target Move

 TiC#9 was placed in Pail 299 in spot 8A of the vault and was 92.1mSv/hr when removed from the south hot cell. See attached pdf for full vault details.

  2746   Monday, January 13, 2025, 10:02 Travis CaveSpent Target VaultStandard Operation UC#46Spent Target Move
UC#46 was placed in pail# 301 in spot 1B and was 26.3mSv/hr when removed from the SHC. See attached PDF for vault 
details.
  2749   Thursday, January 16, 2025, 10:03 Travis CaveSpent Target VaultStandard Operation UC#47Spent Target Move

 The spent UC#47 was moved from the south hot cell to the spent target vault placed in pail #302 in spot 1C of the vault, it was 24.5mSv/hr when removed from the south hot cell. See attached for vault details.

  718   Monday, July 28, 2014, 17:26 Ron KuramotoITWRepair  ITW:IV5 Air leak repair

Air leak was found at the Solenoid control valve located in the Pre-Separator & DB0 room.  The gasket between the solenoid body and its manifold block was broken, see attached photos. The gasket and solenoid body were replaced. Air was turned back on to IV5 (B/L gate valve) with no apparent air leaks. The gate valve was actuated open & closed from the control room seeing both limits successfully.

Repair was done by Dimo Y. who received 0.01 mSv, and assisted by Anthony I. & Ron K. who both received zero dose.
Rad fields measured by RPG were; 1300 uSv/hr above B/L and 350 uSv/hr @ the Solenoid valves at knee height.
 
 

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  2588   Thursday, May 09, 2024, 13:52 Riley SykesWaste Package/ShipStandard Operation  F308 Service/Inspection

 F308 Inspection and service complete on #06, #08, #13, #15, #16, #19, #20, #21, #22.

All in good condition with new gasket material installed on #20.

Prepped for move to ISAC B3 for storage.

  2638   Wednesday, July 10, 2024, 10:44 Riley SykesSouth Hot-CellMaintenance  Spring idler install

 New spring idlers were installed onto rotational chain drive for SHC roof. Operation ran smoothly in both directions to full limit. Chain was noted to have adequate slack when not on driven side. Periodic checks to confirm operation will continue in the following months to guarantee proper operation.

  2639   Friday, July 12, 2024, 08:51 Riley SykesSafe Module ParkingMaintenance  SMP chain guard

 SS washers were added to all slotted holes on SMP chainguard cover plate

  4   Thursday, June 30, 2011, 16:04 Pierre BricaultConditioning StationRepairTM1 TM1 status

Friday June 24 2011

The target module has been moved to the Conditioning Station (CS)

Pumping overnight

Saturday June 25 2011

Pressure Service Cap (SC) 3E-6 T

Pressure Containment Box (CB) 6.6E-6 T

High voltage test to 40 kV, unfortunately, the pressure is not great so we stop at 40 kV

Pressure at the end of the day: 1650H was, P SC 2.6E-6T

P CB 6.6E-6 T

Sunday June 26 2011

Pressure P SC 1.6E-6T

P CB 6.6E-6 T

It seems we have a leak. The pressure does not drop in the CB over one day.

Today June 27 2011

 Pressure P SC 1.2E-6T

P CB 6.6E-6 T

We leak check the target module and found two leaks, one on the ground electrode and one on the mounting plate cooling circuit.

This is a new one. We had test this line three times before and it was ok.

Action for tomorrow.

After CS vent, 

Move TM1 to SHC

Survey 

Connect LD to Mounting plate cooling circuit

Open Side panel and leak check.

Meeting at 0830H

  17   Tuesday, August 02, 2011, 09:41 Pierre BricaultConditioning StationRepairTM1ITW-TM1-Ta#37-LP-SISTest high voltage on TM1

 TM1 has received the Ta#37-LP and has been pumping since thursday. This morning the pressure gauges read, IMG1: 1.6x10^-6 T and IG1: 7.4x10^-7 T.

The high voltage power supply has been connected to all high voltage feedthroughs and the voltage raise to 42 kV. 

High voltage conditioning started around 20 kV and after few minutes we were able to go up to 40 kV. 

The pressure increases on both locations, IG1 went up to 8.1x10^-7T and IMG1 went up to 1.8x10^-6T.

The module is good to go. 

  2312   Monday, April 04, 2022, 10:44 Nadia JorgensonSouth Hot-CellRepair  Turntable Chain Repair

 Last week we repaired the South Hot Cell turntable chain/sprocket. Chain was loose and there was a few section where the chain was not lining up properly with the sprockets.

3 issues were discovered:

 

-        One of the pins was bent. It’s been replaced but is a temporary fix. Need to replace them with stronger pins.

 

-        The smaller sprockets near the motor were too far from the main turntable sprocket which was causing the links to not immediately line up with the teeth on the turntable sprocket. With too much slack in the chain, it’s likely that this is were the misalignment was starting. This was fixed by adjusting the motor position and the position of the yellow plate bolted to the floor.

 

-        The yellow plate that is bolted into the floor has oversized holes relative to the bolts/washers used. This allows us to adjust the position, but the washers are to thin and are being bent/pulled into the holes. Should be replaced with thicker washers that can withstand the tension and this will help prevent the plate from sliding out of position.

  2319   Wednesday, May 11, 2022, 16:15 Nadia JorgensonSpent Target VaultStandard Operation  Emergency Close Mechanism Test

 The emergency close mechanism for the Storage Vault door was tested by Travis Cave, Nadia Jorgenson, and Dan McDonald. The door was opened to its fully open limit, then closed with the emergency system. 

The test was successful.

  2320   Wednesday, May 11, 2022, 16:29 Nadia JorgensonSpent Target VaultStandard Operation  Routine mechanical inspection: storage vault

 An inspection was performed on drive systems for the main storage vault by Dan McDonald, Travis Cave and Nadia Jorgenson. The functionality was not tested. Some areas for improvement noted, but otherwise nothing concerning was discovered. 

 

Notes:

  • The wire insulation to the motor is showing wear and tear. Should be replaced in the future. For now was patched with electrical tape, see picture. May be beneficial to add an e-chain for the portion of the wiring that moves when door is opening and closing

  • Emergency close mechanism cable should be changed to have a 5/32” Nico Sleeve

  • Moving parts still need to be lubricated


  • Chain inspected (OK)

  • Gearbox inspected - OK

  • All drive system set screws checked and tightened

  • Sprocket alignment checked - OK

  • Limit switches checked - OK

  • Emergency close mechanism cable checked - OK

 

 

 

  2324   Wednesday, May 25, 2022, 10:23 Nadia JorgensonSpent Target VaultRepair  F-308 Loading, Mini-Storage Vault Failure

5 pails were moved from the mini-storage vault into F-308's

At one point during the loading the mini-storage vault door would not close. Cause was a blown fuse, which was replaced and operations were able to continue as usual. Possible reason the fuse blow was a tilted pail that may have become jammed between the tray and the roof of the mini-storage vault. 

 

[Edit 2022-12-01, Adam Newsome]: the pails which were removed were: 220, 227, 233, 235, 238

  2342   Thursday, June 30, 2022, 14:28 Nadia JorgensonSafe Module ParkingStandard Operation  Annual Inspection of Safe Module Parking - Electrical

 

An annual electrical inspection was performed on the SMP today by Travis Cave and Nadia Jorgenson as per Work Permit I2022-06-30-2. The following items were checked:

 

Electrical Inspection of Safe Module Parking:

  • Check condition of wiring for physical/radiation/UV damage
    • OK, no signs of damage
  • Check for cable tray debris or damage
    • Some objects stored in the cable tray but nothing concerning, no damage noted
  • Check inside control panel: components and wiring, labeling
    • Labeling intact, components in good condition
    • Wiring in good condition
  • Verify camera views
    • Checked, no issues
  • Check connectors for damage
    • All connectors OK
  • Check pendant for damage and verify labeling intact
    • Pendant OK
  • Lid open/close test
    • Lid was opened and close multiple times - smooth operation, no concern
    • Lid close logic was checked - OK
  • Vessel rotation and limit switch check
    • Centre, CW and CCW limits were checked, functioning

 

Still to be done – Mechanical Inspection:

  • Lubricate chains
  • Inspect tensioners
  • Tighten fasteners
  • Inspect components during rotation - chain drive, rotary limit switch, and cable reel etc.
  2343   Monday, July 04, 2022, 11:44 Nadia JorgensonSafe Module ParkingStandard Operation  Annual Inspection of Safe Module Parking - Mechanical

 

An annual mechanical inspection was performed on the SMP today by Dan McDonald and Nadia Jorgenson. The following items were checked:

 

  • Lubricate chains
    • Not needed
  • Inspect tensioners
    • No issues found
  • Tighten fasteners
    • A few slightly loose, most are in need of washers, see attached pictures
    • Could use some shims in a few places, see attached picture
  • Inspect components during rotation - chain drive, rotary limit switch, and cable reel etc.
    • No issues
  2344   Monday, July 04, 2022, 11:54 Nadia JorgensonSpent Target VaultMaintenance  Added Lubrication,fittings need to be changed

Dan lubricated components on the target storage vault (This was an outstand task from annual inspection). No issues on the main storage vault but we were not able to lubricate the mini storage vault because the position of the grease nipple on the fittings makes them inaccessible, see attached pictures. All four should be replaced with 90 deg fittings. 

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