NFPA 701 Method 2 & DIN 4102 B1 Self-Extinguishing Membrane Fire Safety. Non-spherical elongated cylindrical arch pneumatic enclosure engineered for Tokyo Japan. Full-size 105m x 68m indoor soccer stadiums, 12-court tennis centers, and Olympic swimming pools with shadow-free diffuse lighting and R-16 thermal insulation. Manufactured by Spanbest Industry Co., Ltd.
Unlike conventional spherical domes, this facility utilizes a continuous barrel-vault cylindrical arch geometry, delivering full vertical sidewall eave clearances along the entire operational length.
| Structural Geometry | Continuous Cylindrical Barrel-Vault Arch (Non-Spherical) |
| Technical Discipline | NFPA 701 Method 2 & DIN 4102 B1 Self-Extinguishing Membrane Fire Safety |
| Applicable Standards | NFPA 701 / EN 13501-1 |
| Operating Pressure | 200 Pa to 450 Pa (Dynamic VFD Automation) |
| Primary Manufacturer | SPANBEST INDUSTRY CO., LTD. |
| Corporate Group Base | Hunan Champion Metal Structure & Guangzhou Tentsen Tent Group |
