Metal Carport Engineering Plans

I'm seeking detailed engineering plans for a free-standing metal carport designed primarily for vehicle storage.

Requirements:
- Plans must be structurally sound and comply with local building codes
- Design should accommodate multiple vehicle sizes
- Include detailed materials list and assembly instructions
- Provide options for drainage and ventilation

Ideal Skills & Experience:
- Expertise in structural engineering
- Experience with metal construction
- Knowledge of local building regulations
- Strong technical drawing capabilities

Please share any relevant work samples.