During post-excavation study, this feature was reinterpreted as a flooring of some kind (perhaps a work surface), but the stratigraphy of this space is muddled by later activity and difficult to piece together.
The SU is possibly floor leveling for floor preparation that continues to the north.
The SU may be the remainder of a floor preparation, with a linear formation of stones beneath.
Compact grey deposit with stone inclusions in W. part of "Room 8"