Mezzanine Steel Structure Design

I need structural calculations and drawings for steel beams and columns for a mezzanine floor in a commercial building, intended for office space. The design must comply with the UK Building Regulations Approved Documents.

Requirements:
- Detailed structural calculations
- Accurate and compliant drawings
- Design for steel beams and columns
- Adherence to UK Building Regulations

Ideal skills and experience:
- Professional engineering qualifications
- Experience with commercial mezzanine design
- Familiarity with UK Building Regulations
- Proficient in structural design software