CADDManager on June 11th, 2009

XREF (Background) Files

9 characters maximum (not including filetype extension)

Standard: XPPA-DTTLL

X PP A(-) D TT LL

X: Identified the file as a Model file to be XREFed to other files.

PP-: Project identifier (2 characters) (Optional)

A: Phase identifier (Optional) (1 character or “-“ (hyphen))

D: Discipline (1 character)

TT: File type (2 character)

LL: Floor/series identifier (2 character)

Examples:
XPC-AFP01.dwg
Pima County, Architectural, Floor Plan, First floor

XPC-CSP01.dwg
Pima County, Civil, Site Plan, #1

XS8ACSP01.dwg
Segment 8, Phase A, Civil, Site Plan, Mainline (#1)

XAFP01.dwg = Arch Floor Plan, First Floor (No Optional characters)

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