Ezekiel 41:24

and two doors of cypress wood; the two leaves of the one door turned on pivots, and the two leaves of the other door turned on pivots.

Then he brought me back to the door of the house; and behold, water was flowing from under the threshold of the house toward the east, for the house faced east. And the water was flowing down from under, from the right side of the house, from south of the altar.

Then a measuring rod like a staff was given to me, saying, “Get up and measure the sanctuary of God and the altar, and those who worship in it.