Compliance Framework
BS EN 15780
BS EN 15780 is the European standard for ventilation cleanliness, frequently referenced alongside TR19 on cross-border specifications and corporate compliance frameworks.
Purpose
BS EN 15780 defines cleanliness quality classes (Low, Medium, High) for ventilation systems, assessment methods and recommended inspection intervals. It is technically complementary to TR19.
Core requirements
- Assignment of cleanliness quality class by building use
- Inspection at defined intervals per class
- Quantitative measurement of internal cleanliness
- Records of inspection, measurement and remedial action
Responsibilities
- Building operator and facilities team
- Competent inspection contractor
- Designer specifying cleanliness class on new build
Compliance implications
- Used in EU-headquartered group standards
- Often cited alongside TR19 in specifications
- Provides quantitative methodology for verification
Recommended inspection frequencies
| Risk / classification | Suggested cadence |
|---|---|
| High cleanliness class | Every 12 months |
| Medium cleanliness class | Every 24 months |
| Low cleanliness class | Every 24-48 months |
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