Floor 5: Steve and Kael, as you move up the stairs, walking side-by-side four guards come towards you. They give a slight nod of the helmet and say, in Goa'uld (but as you can all speak it you get it in English).
"You two the ones that are watching the control room?"
Kael, as you speak Goa'uld better, reply "Yes"
"You're late! Memphis issued an order that the two who were taking over our shifts were to arrive five minutes before the shift-change! Get moving!"
The guards then move past you and some more come from upstairs, heading down. Footsteps can be heard from behind you, coming up.
Floor 3: Andrei and Marxus, you move into your little crouching positions underneath the stairs not a moment too soon. You hear the door open (it's opposite the stairs so it can't see under) and footsteps go up. More guards come up from below and head up the stairs. You can see some guards going down the stairs, although no-one seems to be looking anywhere other than where they're going, you're safe and you wait until it goes quiet before moving out from your hiding place.