SU 8167 was a floor associated with an earlier phase of activity than the imperial walls and floors throughout the area.It sits 30 cm beneath those floors and has a construction technique associated with Republican levels. Floor SU 8214 sits just 30 cm west of this, at the same level, with an underlying rubble floor preparation exposed between. It seems likely that these SU's represent the same original floor, though they may have been separate (but in phase) and divided by a no longer in situ wall.