Residential Solar Array Structural Engineering

I am in need of a structural engineering stamp for a residential solar array. The solar array will be installed on mixed roof types - some with asphalt shingles.

Key Points:
- Provide a stamped design for a residential solar array
- Mixed roof types, primarily with asphalt shingles
- Focus on structural engineering specifics to ensure safety and durability

Ideal Experience/Skills:
- Proven experience in structural engineering related to solar arrays
- Understanding of various roof materials, particularly asphalt shingles
- Familiarity with residential solar array design and installation.