Aggregator

COMMENT ON JAWS Alarm System Verification Plan

2 days 7 hours ago
Log Number: 4550383Logbook(s): Body: 

**Severity publication testing: PASS.** JAWS-ALH published severity changes consistent with the alarm log. Minor timing differences were observed, but no systematic discrepancies were identified. Acknowledgment and higher-level aggregation remain to be verified.

erb

Hall B daily summary

2 days 7 hours ago
Log Number: 4550382Logbook(s): Entry Makers: mcookivBody: 

HPS electronics chiller pm, test, and moved to EEL
Vacuum PMs ongoing
Hycal chiller repair
job walk-throughs: DC Gas modifications; PRAD II equipment removal

mcookiv

ced2Epics modified EPICS PVs

2 days 8 hours ago
Log Number: 4550370Logbook(s): Tags: Body: The following control system variables were updated because they were detected to differ from their CED property counter-parts.
  • MQVAA03RESALARM.INPB: found 6.96; restored to CED value of 3.48
  • MQVAA03RESALARM.B: found 6.96; restored to CED value of 3.48
alarms

ced2Epics modified EPICS PVs

2 days 8 hours ago
Log Number: 4550369Logbook(s): Tags: Body: The following control system variables were updated because they were detected to differ from their CED property counter-parts.
  • MXSEP2TscaleErr.B: found 0; restored to CED value of 270
  • MXSEP4TscaleErr.B: found 0; restored to CED value of 645
  • MXSEP6TscaleErr.B: found 0; restored to CED value of 540
  • MXSEP8TscaleErr.B: found 0; restored to CED value of 750
  • MXSEPATscaleErr.B: found 0; restored to CED value of 750
alarms

COMMENT ON LSO configuration control of CEBAF Injector Laser Room

2 days 9 hours ago
Log Number: 4550366Logbook(s): Body: 

CEBAF Injector laser room is decommissioned for SAM activities. Removed seed laser fibers and amplifier keys; they are under LSO and LSS configuration control. Utilized laser system software to confirm that the lasers could not be powered. Badge access reader is disabled; Class 3B and Class 4 laser postings removed.

jennifer

1L06/1L07 Purge Rigs Installed

2 days 9 hours ago
Log Number: 4550365Logbook(s): Entry Makers: johnwBody: 

1L06 and 1L07 have had purge rigs installed. No contamination was noted upon the initial opening of the JT valves, but we will continue to monitor the cleanliness of the modules. If we don't see anything overnight, we will install primary supply and both shield U-Tubes in both modules tomorrow (10/20) morning.

johnw

COMMENT ON SL PLC Upgrade (Zone 16)

2 days 14 hours ago
Log Number: 4550333Logbook(s): Body: 

Camac PLC has been removed, and the new hardware has been successfully installed. Control wiring is currently approximately 50 percent complete. The estimated completion date for the remaining work is October 23, 2026.

rolando

Shift Information

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CEBAF Program
MCC Crew Chief Blackshaw
MCC Operators
Program Deputy Mock
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