Sauna Tube Foundation Design

I need a detailed specification for a sauna tube foundation for a small cabin (200-400 sq ft) on clay soil. The cabin, including furnishings, weighs between 10,000 and 20,000 lbs. Requirements: - Structural integrity to support 10,000-20,000 lbs on clay soil - Suitable for a 200-400 sq ft cabin - Detailed diagrams and material lists - Experience in foundation design and knowledge of clay soil behavior Ideal Skills & Experience: - Civil or structural engineering background - Experience with sauna tube foundations - Familiarity with clay soil properties and construction techniques

Project ID: 40227361