The Lab will close for the annual winter break starting Saturday, Dec. 23, and reopen on Tuesday, Jan. 2, 2024. During the closure, Operations will be working on a modified schedule. The following is some information about services to remember as you safely and effectively prepare for and return from the holidays. 

  • Badge Office – The badge office will be closed beginning Friday, Dec. 22 at noon and re-open on Jan. 2.
  • Facilities – Teams will be completing scheduled preventive maintenance during the winter break. 
    • HVAC and lighting systems will be in off-hour settings to conserve energy. 
    • Normal operating temperatures will be maintained for all cold, server, and computer rooms.
    • Building rounds will be performed three times per day.
  • Food Trucks – There will be no food trucks from Dec. 25 through Jan. 1. One food truck (El Gallo/The Rooster) will be onsite at the B91 lot through Dec. 22, and will resume service on Jan. 2. One food truck (Ceviche & Co) will be onsite at B67 through Dec. 22 and will resume service on Jan. 2. Check for details.
  • Guest HouseThe Guest House will close on Saturday, December 23 at noon and re-open on Sunday, January 7 at noon. 
  • Health Services – Health Services is closed for the winter break beginning at 1:00 p.m. on Dec. 22 through Jan. 1. See the website for details, including who to call in the event of an emergency or injury.
  • Shipping and Receiving – On Friday, Dec. 22, receiving and mail services will close at 12:30 p.m. and shipping will close at 1:00 p.m. 
    • There will not be a regularly scheduled 2 p.m. FedEx pick-up at Buildings 50 or 90 on Dec. 22. 
    • If you need to mail something on Dec. 22 please bring it to the mail room by 11 a.m. for same-day service. 
    • All services will resume on Tuesday, Jan. 2.
  • Shuttle Service – Shuttles will run on their regular schedule on Friday, December 22, ending at 5:00 p.m. Shuttles will not run during the winter break and will resume normal operations on Tuesday, January 2.
  • Site Access – Dec. 23 to Jan. 1, Site Access will follow its normal off-hour access procedure:
    • Blackberry Gate will be the only gate for entering the Lab. You can exit via Blackberry or Grizzly Gates.
    • To enter the site, you must badge in at Blackberry Gate, or have your name on the approved access list along with a government-issued ID such as a driver’s license (required if driving a vehicle)  or passport. 
    • Use your badge if you need to access any buildings.
    • If you have any site or building access problems, contact the Lab’s Site Operations Center at x6999 or 1-510-486-6999.
  • Waste disposal – Building Managers, check your dumpsters and waste bins, inside and outside your buildings. Ensure they have been properly secured and there is no overflow of waste that needs attention before the shutdown. Please contact Enjema Westbrook-Hudson at to assist with Waste Services concerns or issues. 

When you leave, please do the following to help conserve energy:

  • Empty perishables out of break room refrigerators
  • Power off computers, monitors, peripherals, power strips, and any non-essential equipment
  • Shut fume hood sashes
  • Close doors and windows
  • Turn off the lights

1 Comment

  • Kelley Etherington says:

    Thanks for the summary. When I worked for Cal, I heard the campuses would save millions by conserving energy during the shutdown. Does LBNL have any metrics regarding energy and cost savings? I would think energy conservation is something LBNL works towards as a DOE contractor.