Stamped Structural Fireplace Plan

I’m preparing a permit package for a 21-foot masonry fireplace that will stand in a residential home here in Maryland. The fireplace footprint is 6' wide by 2' deep and it will taper to 4' wide once it rises above the 10' mark... (Budget: $30 - $250 USD, Jobs: Architectural Engineering, AutoCAD, Building Architecture, Building Design, CAD/CAM, Construction Management, Revit, Structural Engineering)