 Thursday, July 08, 2021, 11:45, David Wang, South Hot-Cell, Standard Operation, TM4, Ta#62, TM4 Ta#62 leak check and lectrical check result at SHC and TCS. 
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At SHC: HS line no leak . electrical check result is fine. At TCS: helium pressurized HS line to 70psi, 3 minutes. LD leak rate 0.0xE-9atm.cc/sec
, no response. |
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Wednesday, August 04, 2021, 17:24, David Wang, North Hot-Cell, Standard Operation, TM2, UCx34#, UCX 34# on TM2 electical check and HS leak check at NHC.
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The job is done with Matt at NHC. All TGHT and TBHT bolts are torque wrench tight in NHC. HS leak check result is good.
helium pressurized HS line at TCS. No leak. |
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Wednesday, October 06, 2021, 10:42, David Wang, ITE, Repair, , , ITE IG1S cable end connector replacement
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| ITE IG1S cable end connector replacement has been finished by Roy Huang. |
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Thursday, November 25, 2021, 10:33, David Wang, Conditioning Station, Standard Operation, TM4, Ta#63. , helium pressure test on TM4 HS line at TCS.
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Helium pressure test on TM4 HS line at TCS is done. LD base leak rate 0.0 xE-9 atm.cc/sec. Helium pressure 70psi. HS line had been helium pressurized
for 5 minutes during the test. No response on LD. HS line with Ta#63 is leak free. |
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Monday, November 29, 2021, 12:16, David Wang, Spent Target Vault, Standard Operation, , , Five spent targets have been loaded into F308s
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We loaded UCx #29 , SiC #38 , Ta#53, Ta#56 ,and Ta#57 from mini storage into F308 flasks. Later, the flasks are transferred from TH
to B2 HC service area. In TH, Working area and Mini storage are cleaned and surveyed. Tools are cleaned and surveyed as well. No contamination.
Mini- storage is empty now. |
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Tuesday, November 30, 2021, 11:03, David Wang, ITE, Standard Operation, TM4, Ta#63., Remotely remove TM4(Ta#63) from TCS to ITE.
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| Remotely remove TM4(Ta#63) from TCS to ITE. The move is smooth and successful. |
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Tuesday, November 30, 2021, 12:51, David Wang, ITE, Standard Operation, TM4, Ta#63., Tm4 has been connected in ITE.
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| TM4 has been connected in ITE. See attachment for checklist. |
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Thursday, January 06, 2022, 10:37, David Wang, ITW, Standard Operation, TM2, , ITW vacuum vessel and TM2 internal cooling lines leak check in pit.
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Frank and I finished ITW and TM2 leak check. TM2 internal water-cooling lines are leak free. They passed 70 psi helium pressure test. We found some
small leaks on ITW primary and secondary vacuum vessel. I list them here:
Exit module 2 service cap top plate to cap body O-ring at SW corner. Leak rate 2XE-8 atm.cc/sec. It is an old leak we found |
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Thursday, January 06, 2022, 13:54, David Wang, ITE, Standard Operation, TM4, , helium pressure test on TM4 internal cooloing lsine at ITE.
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Helium pressure 70 psi. 3 minutes on each circle untill LR on LD is balanced. Base leak rate on LD:0.0xE-9 atm.cc/sec. The result:
A: slowly to1.8Xe-8atm.cc/sec after 2 minutes and balanced there.
B: slowly to 2.0XE-8 atm.cc/sec after 2 minutes and balanced there. |
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Monday, January 10, 2022, 09:31, David Wang, ITE, Standard Operation, TM4, , ITE primary and secondary vacuum vessel leak check.
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ITE primary and secondary vacuum vessel leak check has been down. Base leak rate 0.0x E-9 atm.cc/sec on LD. Only 2.8 XE-9 atm.cc/sec leak
has been found on big T tank seal which is very tiny. all other seals are perfect leak free. No concern |
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Monday, January 10, 2022, 12:38, David Wang, North Hot-Cell, Standard Operation, TM2, , TM2 has been moved from ITW to NHC.
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| Travis and Nadia moved TM2 from ITW to NHC this morning. The move is smooth and successful. |
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Tuesday, January 11, 2022, 11:50, David Wang, ITW, Maintenance, , , ITW Exit module 1 side sqaure panel O-ing seal replacement.
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Frank and I replaced ITW Exit module 1 side square service panel o-ring seal. Also, The target module pit top flange o-ring seal in ITW pit is replaced.
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Tuesday, January 11, 2022, 11:51, David Wang, North Hot-Cell, Standard Operation, TM2, , TM2 has been moved from NHC to SMP.
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| TM2( no target ) has been moved from NHC to SMP. The moving is smooth and successful. |
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Wednesday, January 19, 2022, 13:26, David Wang, Crane, Standard Operation, , , Inpection of Target module lifting frames ITA0494-1997-01 and ITA0494-1997-02.
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Tom Gauss inspected two target module lifting frames ITA0494-1997-01 and ITA0494-1997-02.. He certified the use of these two frames. Inspection
tags have been issued and attached to frames. He has inspection record on them. See attachments. |
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Wednesday, January 19, 2022, 13:36, David Wang, Crane, Standard Operation, , , Targe hall crane below hook attachment pins and plates annual inspection.
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Tom Kauss inspected target hall crane below hook attachment pins and plates ITA6550-01. He certified the use of these pins and plates. The inspection
of these pins and plates was in Target hall crane annual check list. It was issued as a calibration index by Isaac Earle in 2022-Feb-08. After inspection,
The inspection tag was issued and attached to pin. Tom has an inspection record on this job. See attachments. |
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Thursday, January 20, 2022, 08:18, David Wang, North Hot-Cell, Standard Operation, TM4, No target, TM4 was removed from NHC to S_W silo yesterday.
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| TM4 was removed from NHC to S_W silo yesterday. The remove is smooth and successful. |
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Monday, January 24, 2022, 11:18, David Wang, ITE/ITW, Standard Operation, , , TH emergency exit hatch functional check
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TH emergency exit hatch which is located on TH west end roof is opened and closed for functional check. The hatch works fine. The limit switch on hatch
is in position. No obstacle on hatch way to the roof. |
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Tuesday, January 25, 2022, 08:57, David Wang, ITE/ITW, Standard Operation, , , ITE/ITW have been cleaned with vacuum canister.
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ITE/ITW are cleaned with vacuum canister. HV cage inside and blue nylon insulators are wiped. Garbage inside the pits are cleaned out.
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Tuesday, January 25, 2022, 12:49, David Wang, ITE/ITW, Standard Operation, , , Target station vacuum system visual inspection.
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Two shielding blocks above vacuum station at TH west end were opened for inspection. Checked ITH:MP1, MP2 lubricant color and level through sight
gauge on pumps. They are still ok. Restored the shielding blocks. Checked ITM:MP1 by decay tank (Mirror checked sight gauge by north
wall). Added lubricant to ITM:MP1 to middle level on sight gauge. |
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Wednesday, February 02, 2022, 11:05, David Wang, Crane, Standard Operation, , , Target hall overhand crane annual insepection.
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Tom Kauss finished target hall overhead crane annual inspection today. The crane works fine. He issued new inspection tag and e-logged the job.
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