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3Selection items
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GBStandards cited
Summary: Tank farms, hazardous waste stores and workshop floors follow GB 18597 control requirements: 2.0 mm chemical-resistant HDPE membrane with filament geotextile protection and a concrete or grating wearing surface, plus bund drainage and collection sumps.
Selection Table
| Position / function | Recommended material | Standard |
|---|---|---|
| Primary liner | 2.0 mm chemical-resistant HDPE | GB/T 17643-2025 |
| Protection | 600 g/m2 filament geotextile | GB/T 17639-2023 |
| Wearing surface | Concrete / steel grating per load design | Structural design |
Installation Steps
- Compact and grade base, form drainage channels
- Lay filament geotextile protection
- Lay 2.0 mm membrane, weld and test
- Seal bund penetrations and drainage nodes
- Pour wearing concrete or install grating
- Flood test to verify drainage and liner
