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MicroStation Resource Files
The standard CADD software is MicroStation for this organization.
| Entire workspace with all resource files | Revised Date |
| MicroStation CONNECT workspace (.zip) | 10/1/2026 |
| – How to set up workspace (.pdf) |
| Individual resource files for MicroStation workspace | Revised Date |
| MicroStation Levels (.dgnlib) | 8/12/2025 |
| – PDF list of level attributes (.pdf) | 1/29/2024 |
| Text/Dimension Styles (.dgnlib) | 10/20/2025 |
| Element Templates (.dgnlib) | 9/26/2023 |
| Linestyles (.rsc) | 8/5/2025 |
| – Readme – how to use cosmetic line styles | |
| Linetypes (.lin) – linestyles for AutoCAD (not maintained) | |
| Detailing Symbol Styles (.dgnlib) | 4/7/2022 |
| Seed File (.dgn) | 8/1/2023 |
| PDF Print Driver (.pltcfg) | 4/16/2018 |
| Pen Table (.pen) | 9/6/2023 |
| Symbol Libraries (.cel) | 11/13/2025 |
| Remap Public Works Levels (.dgn) to SoCal Edison (.dwg) Layers | 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 25.00.00.184 or later.
| Description | Revised Date |
| How to set up workspace (.pdf) | |
| How to set up a new file (.pdf) |
Border Sheets for Land Development Division (LDD)
| Street Improvement | Revised Date |
| Road Border (.dgn) | |
| Road Border (.dwg) | |
| Road Border (.pdf) |
| Miscellaneous Transfer Drain | Revised Date |
| MTD Border (.dgn) | |
| MTD Border (.dwg) | |
| MTD Border (.pdf) |
| Private Drain | Revised Date |
| PD Border (.dgn) | |
| PD Border (.dwg) | |
| PD Border (.pdf) |
| Water Quality Notes | Revised Date |
| WQ Border (.dgn) | |
| WQ Border (.dwg) | |
| WQ Border (.pdf) |
| Sewer (for unincorporated areas) | Revised Date |
| Sewer Border (.dgn) | |
| Sewer Border (.dwg) | |
| Sewer Border (.pdf) |
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.
Border Sheets for Consolidated Sewer Maintenance District (CSMD)
| Description | Revised Date |
| Sewer (click here for cities) | |
| CSMD Border (.dgn) | |
| CSMD Border (.dwg) | |
| CSMD Border (.pdf) |
Border Sheets for Public Works and Flood Control District Projects
| County Infrastructure Projects | Revised Date |
| Engineering Border (.dgn) – includes standard notes and symbols | 11/12/2024 |
| Engineering Border (.dwg) | 11/12/2024 |
| Engineering Border (.pdf) |
| Traffic Control and Striping | Revised Date |
| Traffic Border (.dgn) | |
| Traffic Border (.pdf) |
Street Lighting:
| SCE Owned and Maintained Streetlights | Revised Date |
| Street Lighting Border LS-1 (.dgn) | |
| Street Lighting Border LS-1 (.dwg) | |
| Street Lighting Border LS-1 (.pdf) |
| County Owned and Maintained Streetlights | Revised Date |
| Street Lighting Border LS-2 (.dgn) | |
| Street Lighting Border LS-2 (.dwg) | |
| Street Lighting Border LS-2 (.pdf) |
Mapping Data
| Description | Revised Date |
| Cadastral Landbase Data | |
| MicroStation (.dgn) | |
| ArcMap (.gdb) |
| Description | Revised Date |
| Land Records |
Survey
The standard survey software is Carlson Survey for County projects (not required for private development projects). Resource files available for download:
| Description | Revised Date |
| Drawing Template (.DWT) | |
| Field-to-Finish Table (.FLD) | 1/8/2020 |
| Symbol Library (.DWG and .DTA) | 12/31/2019 |
| Setup Instructions | 8/18/2022 |
| Remap Carlson DWG to Public Works DGN – How to remap files (.pdf) | 3/27/2024 |
| Description | Revised Date |
| Survey Templates and Guides – Preparation Guide – Record of Survey Templates – Corner Record Template |
Resources
Construction Specifications:
| Description | Date |
| Caltrans Standards | |
| Greenbook | |
| LA County Standard Plan | 2000 |
| LA County Standard Specifications | 2006 |
| Description | Date |
| Design Manuals Homepage | |
| Design Drafting Manual | 1996 |
| Drainage Drafting Samples |
| Description | Date |
| Land Development Homepage | |
| Forms and Guidelines | |
| Street and Bridge Plans | |
| Private Drives and Traffic Calming Design Guidelines | Jun 2009 |
| Description | Date |
| Sewer Maintenance Homepage | |
| Private Contract Sanitary Sewer Procedural Manual | Dec 1987 |
| Description | Revised Date |
| Stormwater Engineering Homepage | |
| Hydrologic Report, Map, Design Manual, and Software (HydroCalc, WSPG) |
| Description | Revised Date |
| Traffic Homepage | |
| Traffic Signal Plan Drafting Guide | |
| Signing and Striping Plan Drafting Guide | |
| Streetlight Layout Guidelines |
Publications:
| Description | Revised Date |
| Building and Safety Publications | |
| General Publications |