Scheduled Outage:

Title: Shutdown B02 S. Linac (5-year PMs) Affected Bldgs. B56, B82, B08A, B68, & B70
Type: Power Network Telephone Road HVAC Water Gas Controls Other
Status: Proposed Confirmed Cancelled Completed
Proposed by: Howard Dunlap E-Mail: dunlap@jlab.org
Start Time: 09/22/2026 06:30 End Time: 09/24/2026 15:00
Description and Impacts: FMO-E will be performing required 5-year extensive preventive maintenance on all switchboards, panels and disconnects, excluding emergency power. This outage will take place over three days, with work scheduled for 8 hours each day.
On September 22, 2026, we will perform the 5-year intensive preventive maintenance on all panels and disconnects associated with SB-SL1 and SB-SL2.
On September 23, 2026, we will perform the 5-year preventive maintenance on all panels and disconnects associated with SB-SL3 and SB-SL4.
On September 24, 2026, we will complete the 5-year preventive maintenance on the panels and disconnects for Buildings 56, 68, 82, and 70, which are fed by SB-SL1 and Breaker 5 in SB-SL4.
Please reference ATlis-121131, as some affected buildings will experience multiple power interruptions throughout the week.

Affected Areas:

Bldg 02: South LINAC
Bldg 04: Exit Stair No. 4
Bldg 08: Central Helium Liquefier
Bldg 56: West Arc Service
Bldg 68: West Arc Service
Bldg 70: Exit Stair No. 5
Bldg 82: South Extractor Service


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