3-D CAD, LLC.. 

Ductwork Shop Drawings

• Masonry Floor, Wall, Roof Openings
• Equipment Pad locations
• Duct Elevations and Routing
• Air Handling Equipment
• Louver and Sleeve locations
• Motorized Dampers
• Fire Dampers
• Placement of Registers, Grilles, and Diffusers
• Section Views, 3-D Views, Layered Views
• Hard copies & Electronic transfer of drawings.