The propane mounded bullet storage system is engineered for the safe, reliable, and efficient storage of propane gas. The system uses cylindrical tanks partially or fully embedded in the ground (mounded design) to enhance safety and thermal insulation. These systems are suitable for residential, commercial, and industrial applications requiring large-scale propane storage. . Design Standards and Codes: Design Code: ASME Section VIII Div. 1 (or equivalent) for pressure vessels Materials: High-strength carbon steel (A516 Grade 70 or equivalent) Welding Standards: ASME Section IX or AWS D1.1 Testing Standards: Hydrostatic and pneumatic testing as per ASME standards Parameter Specification Capacity Range- 10 m³ to 500 m³ (customizable sizes) Design Pressure- Up to 17.5 bar (250 psi) Working Temperature- -40°C to 55°C Design Life 20+ years (with regular maintenance) Tank Shape- Horizontal, cylindrical Corrosion Protection- Epoxy-coated, cathodic protection Insulation High-density polyurethane foam (optional) Seismic Rating Compliant with seismic zone 5 requirements (optional customization) Safety Features- Pressure relief valves, emergency venting system, automatic shut-off External Coating- Corrosion-resistant paint, UV-resistant Burial Depth - 1 to 3 meters (based on environmental conditions and requirements)