SU 8130 is an irregular cut, possibly for a post hole, but a more specific interpretation is elusive. It was most likely cut post-abandonment, based on the depth.
Cut filled by SU 8126 and cut filled by su 8125 and Brown deposit at corner of 8038 and 8034 in room I7
Upper floor west of wall 8038 in Room I7, Upper wall south of wall 8044 in Room I7, Floor covered by floor 8170, cut filled by su 8136, cut filled by su 8125, cut filled by SU 8126, Irregular cut in SE corner of room I7, Circular cut in room I7