Given that the room is at the top of a staircase, there are windows along the staircase, and the windows have no glass in them, even if there were a way for the room to be pumped full of liquids, the liquids would be drained out long before it would reach the level of the soles of your feet.
You find no relevant grates or valves, and the wall connecting to the outside is full of holes where one would reasonably expect glass.
You take a deep breath and push the button. You hear a vague, rumbling sort of sound off to the north.
You make a vaguely described attempt to get Labguy's attention. You have a vaguely defined value of success, in that Labguy is now looking in your direction.
I am now rewriting my notes so that the Scientist subtype is now the Labguy subtype.