Civil 3D Surface Analyzer Skill
SkillDev toolsCivil 3D surface analysis skill for terrain modeling, earthwork, and drainage analysis
Instructions available. Your AI can read the instructions. Execution depends on the setup they require.
Account requirements not reviewed. Check the skill instructions before use; ahel provides instructions and does not run this skill.
Add ahel to your AI once: Claude, ChatGPT, Cursor, Claude Code or Codex. Then ask it to use this.
Then ask your AI: use the Civil 3D Surface Analyzer Skill skill
What this skill tells your AI
The instructions your AI receives, as published by a5c-ai/babysitter in library/specializations/domains/science/civil-engineering/skills/civil3d-surface-analyzer/SKILL.md and read by ahel’s review.
Purpose
The Civil 3D Surface Analyzer Skill performs terrain surface analysis including slope analysis, cut/fill calculations, drainage analysis, and earthwork quantity computation.
Capabilities
- Surface analysis (slope, elevation, contours)
- Cut/fill volume calculation
- Drainage analysis
- Corridor modeling
- Cross-section generation
- Earthwork quantities
- Surface comparison
- Watershed delineation
Usage Guidelines
When to Use
- Analyzing site topography
- Calculating earthwork volumes
- Evaluating drainage patterns
- Designing corridors
Prerequisites
- Survey data available
- Surface model created
- Design criteria defined
- Section intervals established
Best Practices
- Verify surface accuracy
- Use appropriate comparison methods
- Consider shrink/swell factors
- Document calculation methods
Process Integration
This skill integrates with:
- Highway Geometric Design
- Stormwater Management Design
- Slope Stability Analysis
Configuration
civil3d-surface-analyzer:
analysis-types:
- slope
- elevation
- drainage
- volumes
surface-types:
- existing
- proposed
- corridor
output-formats:
- report
- xml
- csv
Output Artifacts
- Surface analysis maps
- Volume reports
- Drainage diagrams
- Cross-sections
Signals
- GitHub stars
- 2k
- Forks
- 112
- Last commit
- Sep 2026
Advanced
- Item type
- skill
- Key
civil3d-surface-analyzer- Source
- github.com/a5c-ai/babysitter