How to have fun at 100m below surface and how to fill an afternoon getting the paperwork done.

• Go to http://sir.cern.ch
• Have a look at the courses you have taken. For underground access you need the courses 1,2,3,4,4b.
• Take the courses if necessary.
• Got to http://edh.cern.ch, Access Requests and request access for LHCb_U.
• Make sure you are on the list for people needing a dosimeter.
• Subscribe yourself to the Radio Protection Course.

The last two points are also covered here: http://lhcb-background.web.cern.ch/lhcb-background/Safety/Dosimeter.htm#