Floating Deck Structural Details

I need a skilled structural engineer to provide the necessary details for the underside of a floating deck. My client has requested these, and I need to ensure accuracy and completeness.
I complete the blue prients, i made the 3d model of this addition of deck and pargola with exterior, now client ask me to provide the necessary details for the underside of a floating deck,
Ideal Skills & Experience:
- Structural engineering expertise
- Proficient in creating 2D drawings
- Experience with deck structures