This Draft for Development gives recommendations for the design,
installation, water supplies, commissioning, maintenance and testing
of watermist systems with automatic nozzles installed in residential
occupancies not exceeding 20 m in height and domestic occupancies.
It primarily covers watermist systems used for life safety, but might
also provide property protection.
The Draft for Development does not cover watermist systems in
industrial and commercial buildings. Recommendations for these
systems are given in DD 84892)