Custom paper space 216" x 30" in AutoCAD Layout

I need my template drawings placed on an extra-long sheet—216 inches wide by 30 inches high—set up in AutoCAD paper space and converted to a press-ready PDF. The job is purely architectural layout; no elevations or 3D are required... (Budget: $10 - $30 CAD, Jobs: Architectural Engineering, AutoCAD, Building Architecture, Drafting)