BS 8458:2015

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Preliminary work and consultation
5 System actuation
6 Design
7 Installation, commissioning
  and documentation
8 Maintenance
Annexes
Annex A (informative) - Elements of a typical
        watermist fire suppression system
Annex B (informative) - Watermist performance,
        reliability and resilience for systems
        installed in the homes of vulnerable people
Annex C (normative) - Room fire tests for
        watermist systems with automatic
        nozzles
Annex D (normative) - Hydraulic calculations
Annex E (informative) - Example of system data label
Bibliography

Describes recommendations for the design, installation, water supplies, commissioning, maintenance and testing of watermist systems with automatic nozzles installed in residential and domestic occupancies up to a maximum ceiling height of 5.5 m.

This British Standard gives recommendations for the design, installation, water supplies, commissioning, maintenance and testing of watermist systems with automatic nozzles installed in residential and domestic occupancies up to a maximum ceiling height of 5.5m. It primarily covers watermist systems used for life safety, but might also provide property protection.

The recommendations of this British Standard are also applicable to any addition, extension, repair or other modification to a residential or domestic watermist system.

The British Standard does not cover watermist systems in industrial and commercial buildings. Recommendations for these systems are given in DD8489‑1¹⁾.