This arch may form the upper portion of a praefurnium or a a cistern in room I-11. It appears to belong to a substructure in the building in the western sector of Area I 2017.
Taken from the east.
Southwestern portion of Area I at the end of season 2017
Arch of CBM and mortar at western limit of room I-11; E-W wall (S) abutting 8237 and 8120 in room I-11; N-S wall (S) abutting 8237 and 8238 in room I-11; E-W wall (N) abutting 8237 and 8012 in room I-11; N-S wall (N) abutting 8237 and 8240 in room I-11