Withdrawn, Document not available for download
Core Supplement
Information File
Describes wet and dry rising mains, looking at installation factors determined in the building regulations, fire fighting shafts, sprinkler systems, fire service inlets, landing valves and their location, air release valves, security, water charged dry mains, wet risers, pumps, power supply, isolating valves, water tanks, water pressure, pressure regulating valves, number of rising mains required, testing, components and pipes and fittings.
First published: Issue 1, October 2010. Updated as Issue 2, September 2015: Information File 21 Wet and dry risers. Designed to BS9990. Issue 2. Updated August 2020.
Previously known as British Automatic Sprinkler Association, the British Automatic Fire Sprinkler Association is the UK's trade association for the fire sprinkler industry.
NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.
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