Structural Layout to support a 2nd Floor

I’m adding a residential floor apartment to an existing wood and block framed structure and need clear, code-compliant guidance on where every new post and beam must land to support the second floor apartment... (Budget: $30 - $250 USD, Jobs: Architectural Engineering, Architecture, AutoCAD, Building Architecture, Building Design, Building Regulations, Civil Engineering, Construction Management, Revit, Structural Engineering)