Aggregator

Log Number: 4551630Logbook(s): 

• ELOG

Tags: 

• Autolog
• MCC8am

Body:  */ ATLis Comments Posted 18:00 Sunday November 01 through 18:00 Monday November 02 AES DC Power Systems Magnet Disconnect for Electrical Testing of Arc Dipoles

2026-11-02 14:11 - Kevin O'Brien

Log Number: 4551629Logbook(s): 

• CLOG
• ELOG

Body: 

• 1L07 u-tube installation to support 4K cooldown
• CHL2 lower section of 4K cold box vacuum pump maintenance
• CHL2’s 2K Cold Box process piping – pump & backfills
• CHL2’s 2K Cold Box test fit of new o-ring
• The failed ODH cell in CHL2 Compressor Room was replaced. The new one was calibrated and successfully tested.

Log Number: 4551628Logbook(s): 

• ELOG

Body: 

Currently the F-Wing Data Center plans to continue operations as normal.

Please let us know if that conflicts with power requirements.

Log Number: 4551627Logbook(s): 

• ELOG
• SLOG

Tags: 

• MCC8am
• Software and Controls

Body: 

NL08 C75 Upgrade: (ACE TEAM) Installed and terminated network cables for the RF server, ups, Cryo diode, rf heater and src vacuum chassis's. Network ports configured. We will install the network cables to the rffcc, hpa, interlock and resonance chassis tomorrow.
Documentation for the new vacuum widget library.

Log Number: 4551625Logbook(s): 

• ELOG

Body: 

Installed buzzers for the Tornado Shelter emergency switches at Doors 1 and 2 in the North Access Room. Added new cables and switches to provide power. Junction box wiring and cable labeling remain to be completed.
L.Krylach, S.Bruhwel

Log Number: 4551623Logbook(s): 

• ELOG

Body: 

Today Hall C technicians worked on.

Semiannual safety warden inspection in Hall C
Wire rope inspection in Hall C
Weld inspections for PCS magnet skids.
Painting of PCS magnet skids.
NUCAT detector frame fabrication
Printing and test-fitting and modifying NUCAT parts
Assembling filament extrusion project.
Checked out laptop from help desk fro EPAS training
No cross division work planned for 11/03/26

Log Number: 4551622Logbook(s): 

• ELOG
• SLOG
• ACELOG
• LLRFLOG

Body: 

Installed and terminated network cables for the RF server, ups, Cryo diode, rf heater and src vacuum chassis's.
Network ports configured.
We will install the network cables to the rffcc, hpa, interlock and resonance chassis tomorrow.

Log Number: 4551619Logbook(s): 

• ELOG

Body: 

Previous guidance was not turn off anything that can be but rather avoid any high power device operations. High power devices such as cold compressors, Box Power Supplies, and RF High Power Amplifiers. Colleagues should not power off their desk electronics etc. for this work, correct? If so, please amend the description of task to be more precise. Thanks.

Log Number: 4551618Logbook(s): 

• ELOG

Body: 

The 2 North Access power supplies previously removed were reinstalled in their racks.

Removed, repaired, reinstalled 4 additional power supplies:

NL01B09 ch 4 (MQK4R07)
NL01B11 ch. 4 (MCB1L01A)
NL27B14 ch. 5 (MQN1S04)
E101B07 ch. 3 (MQL1S07)

Humphry, Chaudhary

Log Number: 4551617Logbook(s): 

• ELOG

Body: 

Log Number: 4551616Logbook(s): 

• ELOG

Body: 

Fans are now installed on the following channels.

NL01B07 Crate 4
Ch1: MXE8R01
Ch2: MXE8R02

NL27B17 Crate 5
Ch2: MXC7S06

- Kissinger

Log Number: 4551615Logbook(s): 

• ELOG

Body: 

Replaced missing screws in North Linac. Part of the Shunt Task list

- Kissinger

Log Number: 4551607Logbook(s): 

• ELOG

Body: 

Did Preventive Maintenance to mini dogleg PT0L02.

Log Number: 4551605Logbook(s): 

• ELOG

Body: 

Good to go Tu 11/3 once the PTW is on-issue.

Log Number: 4551604Logbook(s): 

• ELOG

Body: 

2nd Nov work:
- Hall A MOLLER USG support 2A alignment
- Hall A MOLLER Region 1 cartridge alignment

3rd Nov work map:
- MZAAT03 and ZAAR03 as-found

Log Number: 4551603Logbook(s): 

• ELOG
• DCLOG

Body: 

All dipoles listed below have been disconnected, and magnet leads have been moved out of the way. The attached checklist has been printed and filled out. The magnet group can now perform their magnet testing.

MJC5A03
MJC5A04
MJC5A21
MJC5A22
MJC5A23
MJC5A28
MJC5A30
MJC5A31
MJA9A03
MJA9A04
MJA9A21
MJA9A22
MJA9A23
MJA9A28
MJA9A30
MJA9A31

-O'Brien, Crespo

Log Number: 4551602Logbook(s): 

• ELOG
• INCLOG

Body: 

Re-configured new interlock chain for NL07, NL08 and NL09.
Was able pull back and reuse interlock cable from 6 GeV SRF Vacuum crate to NL09 for NL08.

New configuration for interlock is:
- NL06 (6 GeV) to NL07 (existing cable just re-pinned)
- NL07 to NL08 (cut cable from 6 GeV to NL09 in half)
- NL08 to NL09 (same cable that was cut in half)

Will verify correct interlock chain during HCO/Commissioning.
C100 chassis at NL08 has been powered on in preparations to Network cables being installed this week.

Log Number: 4551601Logbook(s): 

• ELOG

Tags: 

• CED

Body: The following control system variables were updated because they were detected to differ from their CED property counter-parts.

• R18XCMTYPE: found C25; restored to CED value of C75

Log Number: 4551599Logbook(s): 

• ELOG

Body: 

SSG will perform this task on Tuesday 11/2/2026.

A planned repair of this Credited Control device was screen through Safety Concern Form SC-2026-1102.

Even though we don't anticipate a need to remove credited shielding surrounding this component, we've contacted RadCon informing them about SSG work near the shielding.

Log Number: 4551597Logbook(s): 

• ELOG
• POLOG

Body: 

This morning, Vince, Dave, Gary and I reviewed the safety docs and did a PJB before the start of the work which went well. This task is now completed. Cleaned both inside and outside of the opening, and temporally sealed with tape to prevent dust.