Tiered Seating Design for Stadium

I'm seeking a skilled designer to create detailed drawings of tiered seating for a stadium. The project is currently at the Preliminary Design stage.

Key Requirements:
- Based on CAD floor plans
- Focus solely on seating layout

Ideal Skills and Experience:
- Expertise in stadium or grandstand design
- Proficiency with CAD software
- Strong understanding of seating arrangements and sightlines

Please provide example drawings of tiered seating grandstands and stadiums with your bids.