CAD Standards for Land Surveying
Comprehensive guidelines for maintaining consistency and quality in CAD drawings
Layer Management
Naming Convention
DISC-MAJOR-MINOR_DESC
- DISC: Discipline (SURV)
- MAJOR: Major Category
- MINOR: Subcategory
- DESC: Description
Example:
SURV-BOUND-LINE_PROP
Color Standards
Property Lines
Utilities
Topography
Control Points
Linework Standards
Line Types
Property Lines
Easements
Setback Lines
Line Weights
Primary Features
Secondary Features
Details
Text and Annotation
Text Styles
| Usage | Style | Height |
|---|---|---|
| Titles | Romans | 0.12" |
| Dimensions | Arial | 0.10" |
| Notes | Arial | 0.08" |
Annotation Symbols
Control Point
Monument
Reference Point
Dimensioning Standards
General Rules
- Use decimal feet for distances
- Degrees, minutes, seconds for angles
- Align dimension text with dimension line
- Use appropriate precision for measurements
Example Dimension Styles
Linear:
150.25'Angular:
N 45°30'20" EElevation:
100.50'File Organization
File Naming Convention
PROJECTID_TYPE_DESC_REV##
Example:
2023001_SURV_TOPO_REV01
PROJECTID: Unique project identifier
TYPE: Drawing type (SURV, PLAT, TOPO)
DESC: Brief description
REV##: Revision number
Directory Structure
project_name/
├── CAD/
│ ├── Working/
│ ├── Reference/
│ └── Archive/
├── Data/
│ ├── Field_Notes/
│ ├── Control/
│ └── Research/
└── Output/
├── PDF/
└── Final/
Quick Reference
Common Layer Prefixes
- SURV-BOUND: Boundary
- SURV-TOPO: Topography
- SURV-CTRL: Control
Standard Scales
- 1" = 20'
- 1" = 50'
- 1" = 100'