Residential Structural Design Planning

I'm seeking a skilled professional to create structural design sketches for a residential building. The project is currently at the conceptual design stage.

Key Requirements:
- Development of detailed structural design sketches
- Collaboration to refine and visualize initial concepts

Ideal Skills and Experience:
- Expertise in residential structural design
- Strong understanding of building codes and regulations
- Proficiency in design software
- Prior experience with conceptual to detailed design transitions

Please provide samples of previous work and relevant qualifications.