CADD Standards

The following resources are for projects related to Los Angeles County Public Works. These files are the same as those used in this organization's computer aided drafting and design (CADD) operations. Comments or questions can be sent to cadddpw.lacounty.gov@dpw.lacounty.gov

MicroStation Resource Files

The standard CADD software is MicroStation for this organization.

Entire workspace with all resource files:

MicroStation CONNECT workspace (.zip) - revised 10/22/2024

How to set up workspace (.pdf)

Individual resource files for MicroStation workspace:

MicroStation Levels (.dgnlib) - revised 9/25/2024

PDF list of level attributes (.pdf) - revised 1/29/2024

Text/Dimension Styles (.dgnlib) - revised 7/15/2023
Element Templates (.dgnlib) - revised 12/5/2022
Linestyles (.rsc) - revised 9/6/2023

Readme - how to use cosmetic line styles

Linetypes (.lin) - linestyles for AutoCAD (not maintained)
Detailing Symbol Styles (.dgnlib) - revised 4/7/2022
Seed File (.dgn) - revised 8/1/2023
PDF Print Driver (.pltcfg) - revised 4/16/2018
Pen Table (.pen) - revised 9/6/2023
Symbol Libraries (.cel) - revised 9/19/2022
Remap Public Works Levels (.dgn) to SoCal Edison (.dwg) Layers - revised 7/15/2023

How to remap files (.pdf)

OpenRoads Designer & OpenBridge Modeler:

The workspace has been setup to use the same MicroStation CONNECT workspace which includes Feature Definitions, Annotation Groups, Text Favorites, and other OpenRoads resource files for version 23.00.01.11 or later.

Border Sheets for Land Development Division (LDD)

Street Improvement

Miscellaneous Transfer Drain

Private Drain

Water Quality Notes

Sewer (for unincorporated areas)

Grading

There is no standard title block for grading and drainage plans for privately maintained improvements within private properties. This PDF lists information needed for the title sheet: Grading and BMP General Notes (03/28/2017). In addition, provide:

1. County bench mark
2. Name and address of the project, owner, applicant, engineer, surveyor, etc.

Forms and Guidelines

Border Sheets for Consolidated Sewer Maintenance District (CSMD)

Sewer (click here for cities)

Border Sheets for Public Works and Flood Control District Projects

County Infrastructure Projects

Engineering Border (.dgn) - revised 11/12/2024

includes standard notes and symbols

Engineering Border (.dwg) - revised 11/12/2024
Engineering Border (.pdf)

Traffic Control and Striping

Street Lighting

SCE Owned and Maintained Streetlights
County Owned and Maintained Streetlights

Mapping Data

Cadastral Landbase Data

MicroStation (.dgn)
ArcMap (.gdb)

Land Records

Survey

The standard survey software is Carlson Survey for County projects (not required for private development projects). Resource files available for download: