Engineered U Shaped Wood Stairs

I’m looking for a complete set of permit-ready drawings for a U-shaped, three-flight exterior stair that drops 13 ft from my existing deck. The structure itself will be pressure-treated wood; treads will be finished with Trex Select, and the guard/handrail system must be shown as Cinch railing... (Budget: $250 - $750 USD, Jobs: 3D Design, 3D Drafting, 3D Rendering, Architectural Engineering, AutoCAD, Building Architecture, CAD/CAM, Civil Engineering)