closed plan footprint
UnresolvedNumeric value unresolved
P1 label and drawn slab region are visible, but no accepted face picks or printed bounding dimensions define a physical polygon.
Drawing notation: PLAN; P1 (page-left lower slab field); DETAILS OF FRAMING FOR FRONT ENTRANCE STEPS
P1 is a printed slab mark; page-left is a photographic position, not an east/west assignment. The perimeter of this P1 field has not been independently picked or dimensioned.