Ezekiel 40:6-7

40:6 Then he went to the gate facing east. He climbed its steps and measured the threshold of the gate as 10½ feet deep. 40:7 The alcoves were 10½ feet long and 10½ feet wide; between the alcoves were 8¾ feet. The threshold of the gate by the porch of the gate facing inward was 10½ feet.