printed_typical_column_mark
TYPICAL / COL 61Caption beneath middle-left sketch; distinct typical witness from existing first-floor col61 detail. No floor assignment visible in crop. Source-local printed witness; no geometric/installation acceptance.
Drawing notation: TYPICAL / COL 61
Caption beneath middle-left sketch; distinct typical witness from existing first-floor col61 detail. No floor assignment visible in crop. Source-local printed witness; no geometric/installation acceptance.