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WFL Naming Conventions

Use the following naming conventions:

General File Naming

The WFLHD file naming convention consists of a project specific prefix followed by a short file type suffix.

<unique project prefix> + <file type> + .extension

Note: Do not change the default file extension (i.e. DGN, DOCX, XLSX, PDF, etc.

See the listing of unique project prefixes.

Design Files Types

Most plan sheets reference other roadway design files containing the planimetrics (existing ground features), contours, and new work. Use the suffixes shown below to describe these roadway design files. If applicable sequential numbers may be added (e.g. *_ali1.dgn, *qty2.dgn, *xs01, *xs02.dgn, etc.).

Data Type Suffix Seed File Purpose
Survey _sur 3D Existing 3D Survey Data including terrain 
Right of Way _e_row
2D Existing Right of Way (E_ROW) 
Proposed Right of Way (P_ROW) 
Alignment and Profile  _ali 2D Horizontal and vertical alignments 
Corridor _cor 2D Design corridor files  
Superelevation _sup 2D Superelevation creation
Cross Sections _xs 2D Creation of cross section named borders, XS sheets, and printing
Quantities _qty 2D Quantity named boundaries, earthwork, etc. 
Civil Cells  _cvc 2D Civil cell placement and processing. Use separate files when many civil cells are modeled 
Plan Sheets _pln 2D Creation of named border, plan sheets, and printing.
Additional plan sheet descriptor may be added.

Additional suffixes may be added for design files created by other functions.

<unique project prefix> + <function code> + <file type> + .dgn

Function Codes

Code Functional Area
(Blank) Highway Design function file implied
_hyd Hydraulics
_sur Survey
_brg Bridge
_geo Geotechnical
_rw Right of Way
_utl Utilities

Plan Sheet Suffixes

Use the following sheet type designator to further distinguish the plan sheets.

<unique project prefix> + _pln + <sheet type> + .dgn

Sheet Type Description Sheet Type Description
_gen Title Sheets
Vicinity Maps
Material Sources
_ttc Temporary Traffic Control 
_qtab Quantity Tabulations _ptc Permanent Traffic Control
_typ Typical Section _lscp Landscaping
_ec Soil Erosion and Sediment Control _misc Miscellaneous Details
_hy Drainage Tables and Details _wall Wall plan sheets
_pp Plan/Profile sheets _stage Staging Plans
_lg Line Graph _demo Demolition plans
_rw Right-of-Way _ut_desc Utilities w/ a description added