CAD Designs for Architectural Steel Staircase

I need CAD designs for a external balcony and straight architectural steel staircase . The project involves the design of a staircase made out of architectural steel, which will be used for a domestic building. The design needs to be structurally sound, aesthetically pleasing, and compliant with relevant building codes and regulations.

Dimensions are 4600mm x 4600 for the balcony

Ideal skills and experience for the job include:
- Proficiency in CAD software
- Experience with architectural steel design
- Previous work designing staircases
- Knowledge of building codes and regulations
- Ability to create structurally sound and aesthetically pleasing designs
-Produce fabrication drawings