NET
6 Another third of you will be stationed at the Foundation Gate. Still another third of you will be stationed at the gate behind the royal guard. You will take turns guarding the palace.
Darby
6 and a third part shall be at the gate of Sur; and a third part at the gate behind the couriers; and ye shall keep the watch of the house for a defence.
KJV
6 And a third part [shall be] at the gate of Sur; and a third part at the gate behind the guard: so shall ye keep the watch of the house, that it be not broken down.