Engineered Retaining Wall Plans

I'm looking for detailed, professional plans for a concrete retaining wall, primarily for erosion control. The wall will be between 4 to 8 feet high.

Key Requirements:
- Structural engineering expertise
- Experience with concrete retaining walls
- Plans must comply with local building codes
- Detailed drawings and specifications needed

Ideal Skills and Experience:
- Licensed structural engineer
- Proficient in CAD software
- Knowledge of soil mechanics and erosion control techniques
- Previous experience in designing retaining walls