California class decks
The decks of a  Federation starship.

 Deck 1
 Living quarters ()

 Deck 2
 Bridge ()

 Deck 4
 Repair bay ()

 Deck 6
 Main shuttlebay ()
 Holodeck 3 ()

 Deck 8
 Maintenance Hatch 70 ()
 Sickbay ()
 Transporter Room 8 ()

 Deck 9
 Residential hallway ()
 Processing hub ()
 Pattern-buffer maintenance access ()
 Squash court ()
 Air-gapped terminal ()
 Auxiliary corridors ()

 Deck 11
 Residential hallway ()

 Deck 12
 Residential hallway ()