Steel Structures Load Calculation and Construction Plan

I need a detailed calculation of loads and a construction plan to add one and a half floors above a 3-storey residential building using mixed extension methods.

Requirements:
- Steel structures for columns
- Galvanized metal sheets
- Bricks and concrete on top

Ideal skills and experience:
- Structural engineering expertise
- Experience with steel construction
- Knowledge of load calculations (dead, live, wind)
- Ability to create detailed construction plans