Floor management!!!

A string is a group of tables followed by a break: 1-2-3-bk. A lineup (or The lineup) is multiple strings together: 1-2-3-bk 4-5-6-bk.

Floors don't run the lineup, managers do. If you see a floor person managing the lineup, they are probably acting as an assistant manager while the actual manager is off on lunch or pooping. They all wear suits so it's easy not to know who the big guy is among a group of floor people.

When a new dealer comes in, there are a few ways to insert them into the lineup. If another dealer is leaving for the day after having worked their 8 hours (or if they are leaving early, known as an Early Out), the table they would be going to on the push is the table the new incoming dealer pushes. A dealer on table 2 going to table 3 would instead go home while the new dealer pushes table 3. If management has too many dealers, they might randomly pick some unlucky dealer to take an Early Out (known as being Forced Out).

If management wants to open a new table, the new dealer will go sit at a table and wait for the front desk to call it down. Sometimes dealers will have to spend their entire 30 minutes at the table (known as a down) not dealing and not making money; this kind of a table is called a dead spread. If enough players fill up the waiting list, the front desk will send the players to the new table and the dealer will start the new game. Regardless of whether the table is going or not, management will add the new table to the lineup which might end up looking like: 7-1-2-3-bk 4-5-6-bk. The dealer coming off of the break out of table 6 will push table 7 instead of table 1.

As far as managing breaks go, as long as new tables get placed at the beginning of a string and there are no 5-balls (a string of 5 tables), breaks shouldn't cause any problems. They act as a spot in the lineup like any other table except the dealer leaves the room and goes to the break area for 30 minutes, pushing the next table in the lineup at the half or on the top of the hour. If for some reason a dealer has to use the restroom in the middle of the string, there's usually a spare floor person to cover the table for a few minutes.

Management has a rough idea of how many players they'll get and they'll usually staff enough dealers to cover the expected number of tables. They'll usually schedule a few extra dealers to cover any callouts or unexpected business and any excess dealers they have can usually just be sent home. The more tables they are expecting, the more likely you're going to get dealers volunteering to go home early. One of the big draws of being a dealer is not having to work a 40-hour workweek.