Structural Calculations for Excavation

I need detailed structural calculations for an excavation project using Plaxis. The excavation will be 5-10 meters deep, in sandy soil, and will support a structure.

Ideal Skills & Experience:
- Expertise in Plaxis and geotechnical engineering
- Experience with deep excavations in sandy soil
- Strong background in structural calculations and stability analysis
- Familiarity with relevant safety and engineering standards

Please provide relevant project experience in your bids.