| ID |
Date |
Author |
Category |
Type |
Module |
Target/Number |
Subject |
Text |
 |
|
2118
|
Friday, July 03, 2020, 13:23 |
David Wang | South Hot-Cell | Standard Operation | TM4 | UCx#30 | TM4 UCx#30 Electrical check and HS leak check | Electrical and leak check are good. See
attachment. |
|
|
2120
|
Monday, July 06, 2020, 07:54 |
David Wang | ITE | Standard Operation | TM4 | UCx 30 | TM4 has been connected in ITE connection | TM4 has been connected in ITE. Vacuum pumping
down is good so far. |
|
|
2121
|
Monday, July 06, 2020, 12:20 |
David Wang | ITW | Standard Operation | TM2 | C#1 | Five shielding blocks to ITW | Five shielding blocks are transferred to
ITW |
|
|
2133
|
Tuesday, August 18, 2020, 09:06 |
David Wang | ITW | Standard Operation | TM2 | | TM2 and ITW entrance module have been disconnected in ITW | Tm2 and itw entrance module have been disconnected
in ITW. I will attach disconnection checklist
later. |
|
|
2138
|
Wednesday, August 26, 2020, 09:52 |
David Wang | South Hot-Cell | Standard Operation | TM2 | Ta#60 | Ta#60 target electrical check and leak check at SHC. | Electrical check and leak check at SHC.
NO leak. electrical check ok.
Before target on, A is short to PQ, RU is |
|
|
2139
|
Thursday, August 27, 2020, 08:21 |
David Wang | Conditioning Station | Standard Operation | TM2 | Ta#60 | Helium pressure check on TM2 HS line at TCS. | Helium pressurize on TM2 HS line at TCS
is done. Base LR is 0.0X
E-9 |
|
|
2148
|
Thursday, September 24, 2020, 11:25 |
David Wang | Conditioning Station | Standard Operation | TM4 | UC#31 | TM4 HS line leak check at SHC and TCS. | Both helium spray and helium pressurize
on TM4 HS line withUCx31 target are done
at SHC and TCS. No leak. |
|
|
2149
|
Tuesday, September 29, 2020, 12:12 |
David Wang | ITE | Repair | TM4 | | TM4 steerers staus after" left " grounding issue, and first stage investigation |
Left (short) is switched with bottom. So
on module: |
|
|
2151
|
Tuesday, September 29, 2020, 14:28 |
David Wang | South Hot-Cell | Standard Operation | TM4 | UC#31 | TM4 UC#31 Electrical check and HS leak check | Tm4 UCx 31# electrical check result. See
attachment. |
|
|
2156
|
Monday, October 19, 2020, 12:52 |
David Wang | South Hot-Cell | Standard Operation | TM2 | C#2 | TM2 electrical and leak check at SHC | TM2 electrical check and leak check are
done at SHC with C#2 target installed. The
results are good. |
|
|
2161
|
Thursday, November 05, 2020, 10:23 |
David Wang | Spent Target Vault | Standard Operation | | | TM2 old source tray and TM4 optic tray in vault tray#9. | TM2 old source tray and TM4 optic tray
are stored together in vault tray#9. The
fielding measurement at SHC post 0.5 meter |
|
|
2165
|
Wednesday, November 18, 2020, 15:28 |
David Wang | South Hot-Cell | Standard Operation | TM2 | Nb#6 | electrical check and HS leak check. | Everything looks good. A still short to
P before target installation. We will float
P,Q as before on module top. |
|
|
2166
|
Thursday, November 19, 2020, 09:00 |
David Wang | Conditioning Station | Standard Operation | TM2 | Nb#6 | Helium pressure check on TM2 HS line at TCS. | LD 0.0 Xe-9 atm.cc/sec , 70 psi helium
3 minutes. No leak. |
|
|
2169
|
Tuesday, November 24, 2020, 12:56 |
David Wang | ITW | Standard Operation | TM2 | Nb#9 | TM2 has been connected in ITW | TM2 has been connected to ITW. Turbo pumps
are stared. ITW pumping down is fine so far. |
|
|
2176
|
Wednesday, January 06, 2021, 10:39 |
David Wang | ITE | Standard Operation | TM4 | | ITE and TM4 annual leak check. | Frank and I finished ITE and TM4 primary
and secondary vacuum vessel leak
check. ＬＤ ｂｅａｓｅ ｌｅａｋ ｒａｔｅ ０.０ｘ－９ａｔｍ．ｃｃ／ｓｅｃ． Ｎｏ ｌｅａｋ ｈａｓ ｂｅｅｎ ｆｏｕｎｄ．Ａｌｓｏ， Ａｌｌ ＴＭ４ ｗａｔｅｒ ｌｉｎｅｓ ｈａｖｅ ｂｅｅｎ ｐｒｅｓｓｕｒｉｚｅｄ ｗｉｔｈ ７０ｐｓｉ ｈｅｌｉｕｍ ｆｒｏ ３ ｍｉｎｕｔｅｓ ｏｎ ｅａｃｈ ｃｉｒｃｕｉｔ． Ａｌｌ ｗａｔｅｒ ｌｉｎｅｓ ｉ |
|
|
2178
|
Monday, January 18, 2021, 12:29 |
David Wang | ITW | Standard Operation | TM2 | Nb#9 | ITW vacuum and TM2 water lines leak check . | ITW primary and secondary vacuum vessel
leak check are done. There is a 5XE-8 atm.cc/sec
leak on Exit service cap NW side square panel. |
|
|
2180
|
Friday, January 22, 2021, 12:34 |
David Wang | ITE | Standard Operation | | | ITE HV test. | ITE annual HV test is done. No module in
station. The bias power supply has been ramped
up to 49KV on control page. We still have |
|
|
2181
|
Monday, January 25, 2021, 10:57 |
David Wang | South Hot-Cell | Repair | TM4 | | TM4 steers short investigation. | Cables were disconnected for steers in
containment box. The Megga measurement (500V)
result from the top of the module: |
|
|
2182
|
Monday, January 25, 2021, 12:33 |
David Wang | ITW | Standard Operation | | | ITW bias HV test | Ramp up ITW bias to 57KV. no spark. 200uA
leaking current at 57KV. The test is done
without target module in station. |
|
|
2183
|
Wednesday, January 27, 2021, 14:30 |
David Wang | Cooling | Development | | | High active water system purging | High active water are purged to holding
tank at B2 level. There should be around
48 gallons are purged out of system. No purging |
|