Exodus 40:31 WEB

²⁹  He set the altar of burnt offering at the door of the tent of the tent of meeting, and offered on it the burnt offering and the meal-offering, as Yahweh commanded Moses.

³⁰  He set the basin between the tent of meeting and the altar, and put water therein, with which to wash.

³¹  Moses, Aaron, and his sons washed their hands and their feet there.

³²  When they went into the tent of meeting, and when they came near to the altar, they washed, as Yahweh commanded Moses.

³³  He raised up the court around the tent and the altar, and set up the screen of the gate of the court. So Moses finished the work.