New Guidance for Safer Buildings – What’s Changed?
| Previous (Jan 2024) | New (Dec 2024) |
| 20 heads tested (≤5,000 total) | 10 heads tested (low/medium risk buildings) |
| 40 heads (≤10,000 total) | 50 heads tested (high-risk buildings) |
| 60 heads (≤20,000 total) | Sprinkler heads tested per environment |
| 5 of each type tested | 10 heads per type, per environment |
Testing method adjustments
- Function testing increased to 70%
- Temperature testing increased to 30% (was 20%)
Why This Matters
- Sprinklers degrade over time, particularly in different environments (e.g., voids, sports halls, or atriums).
- Scientific research shows testing 3+ heads improves the statistical accuracy of results.
- Insurers support this update, noting that repeat testing due to failed results is more disruptive and costly than testing more heads in the first instance.
Real-World Examples
Schools (Ordinary Hazard):
- 10 heads from false ceilings, voids, atriums, and sports areas
- Total: 40 heads
Retail Units (Ordinary Hazard III):
- 10 heads from ceilings and voids
- Total: 20 heads
High-Hazard Warehouses:
- 50 heads from the roof system
- 50 from in-rack systems
- Total: 100 heads
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Legal Duty Under Fire Safety Law
Under Article 17 of the Regulatory Reform (Fire Safety) Order 2005, you’re legally responsible for maintaining your fire safety systems, including sprinkler systems. Regular head testing is a crucial part of that duty. Failure to comply may not only endanger occupants, but it could also invalidate your insurance or result in enforcement action.
Free Resources
The Fire Protection Association (FPA) has released updated versions of the sprinkler maintenance checklists and testing forms. These templates help you record inspections, document results, and plan future replacements.
Key Takeaway
If your building has a sprinkler system with heads over 25 years old, the way you test them just changed. Ensure your maintenance regime aligns with the December 2024 update to LPC TB203. Read the full post on the FPA website.
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