 Wednesday, January 17, 2018, 10:38, Anders Mjos, Spent Target Vault, Standard Operation, TM1, , Old TM1 Source Tray moved to Cyclotron basement
|
The old TM1 Source Tray from 2011 has been moved to Cyclotron basement this morning. Source tray was stored in location 10. The box was moved from
the vault to the ante-room yesterday. No contamination was found on the box. Photos |
|
Wednesday, January 17, 2018, 13:54, David Wang, Conditioning Station, Standard Operation, TM3, , Start TM3 turbo pumps at TCS.
|
| TM3 turbo-pumps are started at TCS. We will keep pumps running until next Wednesday. |
|
Monday, January 22, 2018, 07:47, David Wang, Conditioning Station, Standard Operation, TM3, , Restarted TM3 vacuum sysytem after site power bump
|
| All TCS and TM3 vacuum pumps are started successfully. |
|
Wednesday, January 24, 2018, 13:30, David Wang, Conditioning Station, Standard Operation, TM1, , TM1 has been moved to TCS this morning
|
| Tm1 has been moved to TCS this morning. All turbo-pumps are started successfully at TCS and TM1. |
|
Monday, January 29, 2018, 06:51, David Wang, Conditioning Station, Maintenance, TM1, , TCS and TM1 vacuum pumps switched off
|
TCS and Tm1 vacuum pumps are switched off this morning. TM1 TP1and TP2 work fine during this test period. Tm1 will be moved back to silo this morning.
TM1 IG1 stopped work during the test period. It could be broken. We will only replace this gauge if TM1 is used in ITW again. |
|
Wednesday, January 31, 2018, 10:32, David Wang, Crane, Standard Operation, , , Target Hall crane annual inspection.
|
Gordon crane technician Tom finished annual TH crane inspection today. Everything is normal. The main hoist brake gaps are checked on both side. They
are good still. |
|
Wednesday, February 14, 2018, 10:06, Anders Mjos, ITW, Maintenance, TM2, , Replaced parker couplings on Window cooling line
|
| By Anders & David. Couplings will be taken apart for inspection. |
Friday, February 16, 2018, 13:46, Anders Mjos, ITW, Maintenance, TM2, , Parker coupling inspection 
|
| Findings and photos from the inspections attached. The inspection was conducted by Anders, David and Maico. |
|
Wednesday, February 28, 2018, 14:47, David Wang, ITE, Standard Operation, , , leak check ITE primary and secondary vacuum vessel.
|
2018-02-27: Anders and I finished leak check on ITE primary and second vacuum vessel seals. LD connected to ITE BV2 valves between. LD, Base Leak rate
1.2 xE-9atm.cc/sec, base pressure 0.0XE-4torr. There is a leak has been found on TM4 service cap KF25 blank off. The o-ring on the blank off will be changed
later. It is an easy fix . Other seals are good. The big T tank seal on secondary vessel is leak checked as well. It is still fine. Helium pressure |
|
Tuesday, March 06, 2018, 09:53, David Wang, ITW, Standard Operation, TM2, , Tm2 and Tm4 vacuum disconnection
|
| The job is done. See attachment. |
|
Wednesday, March 07, 2018, 10:18, David Wang, ITW, Standard Operation, , , Oil leak on target station vacuum primary back pump.
|
I can not see oil in sight window of the primary pump during visual inspection. The aluminum tray underneath the pump is filled with oil. The performance
on this pump start to drop by watching ITH CG4 reading. A fault report with suggestion is issued to vacuum group. Everything on secondary pump looks
fine. |
|
Wednesday, March 07, 2018, 10:36, David Wang, ITE/ITW Cooling, Development, , , HALCW resin can flow meter replacment
|
HALCW resin can flow meter replacement is done. Less that 100 mL water was drained to a small tray during the job. RPG checked the water. Less than 20
counts. Water are dumped the high active sump. The HALCW MP1 is started. No leak on new gauges and fittings. Old gauge is labeled , bagged,
and stored in TH. |
|
Thursday, March 08, 2018, 14:10, David Wang, ITW, Maintenance, , , Two small water leak has been found in ITW.
|
Two small water leaks have been found on ITW High active water system. One is from an unused 1/4" copper valve stem. another is on supply 1.5"
supply line valve body top sealing. Both of them are seeping water from seal. 1/4" copper valve will be replaced with a new one. 1.5" supply
line valve will be replaced by an old valve with all new seals. I have all spare parts in hand. At present, water supply to ITW are stooped to |
|
Thursday, April 05, 2018, 11:29, David Wang, ITW, Maintenance, , , ITH MP1 replacement
|
ITH MP1 is replaced today with a new style pump.The new pump is 0.75 inch higher than old pump on inlet and exhaust so a new solid inlet adapter
(KF50-25) has to been used. For future secondary pump ITH MP1S replacement, we need a new adapter 0.75 inches shorter as well. The new pumps
is started . Everything works fine. Old pumps is drained , bagged, and stored in TH B2 level. All radioactive garbage produced during the job are bagged |
|
Monday, April 09, 2018, 06:36, David Wang, ITW, Standard Operation, , , ITW Turbo -pumps switch off
|
| I asked MCR to switch off ITW TP3,4 TP1s,2s this morning. |
|
Tuesday, April 17, 2018, 11:05, David Wang, ITW, Repair, , , Disconnect ITW entrance module
|
ITW entrance module has been disconnected. All connections are labelled before or during disconnection. The 24VDC electrical plug on ITW TP1S is
broken . It will be replaced with a new plug. The lift yoke is installed onto module without difficulty. |
|
Thursday, April 19, 2018, 10:27, Travis Cave, ITW, Maintenance, , , Entrance module move
|
| The west entrance module has been moved from the west target station to the silo. |
|
Friday, April 20, 2018, 15:33, Keith C Ng, ITW, Repair, , , ITW beam tube repair job
|
2A2 window has been removed from ITW and beamlines has removed the beamtube from the penetration. The penetration has been sealed with plastic sheeting
and duct tape to maintain the ventilation depression between the 2A tunnel and the Target Pit.
Window is currently stored in a lead flask in the target hall. Window fields are 26 mSv/h OC, 1.2 mSv/h at .5m. There is a 10 uSv/h field outside |
|
Friday, April 27, 2018, 15:06, Keith C Ng, ITW, Repair, , , ITW beam tube repair 6x
|
Vacuumed out remainder of debris from the wall penetration, removed cradle and checked condition. Down stream support bracket sees advanced stages of
material loss (OBO 20-30% loss). See attached photos.
RPG reports that the removed beam tube has 15k CPM on the interior of the beam tube. |
|
Tuesday, May 01, 2018, 10:54, Keith C Ng, ITW, Repair, , , 2a2 window installation and beamtube repair
|
Yesterday we installed the 2a2 window, the drive screw was torqued until 70
ft-lbs and we stopped, the yoke is not fully closed to its hard stop with roughly 7/8" to 3/4" still to go. Similar to identical conditions to
2a3 beamline window install, see https://elog.triumf.ca/TIS/RH-ISAC/647 for that install. Otherwise |
|