Retaining Wall Engineering Drawings with Stamp

I need a set of architectural drawings for a concrete retaining wall, valid for permitting in the United States. An engineering stamp is required.

Key Requirements:
- Wall height: 4 to 8 feet
- Soil type: Rocky soil
- Details needed:
- Rebar tying methods
- Rebar sizes
- Wire mesh specifications
- Concrete strength requirements
- Additional details as necessary

Ideal Skills and Experience:
- Licensed engineer with a valid US stamp
- Experience in designing retaining walls, particularly in rocky soil conditions
- Knowledge of drainage solutions (if needed)

Please provide a comprehensive bid including relevant experience and estimated timeline.