This standard BS EN 806-3:2006 Specifications for installations inside buildings conveying water for human consumption is classified in these ICS categories:
91.140.60 Water supply systems
23.040.01 Pipeline components and pipelines in general
This European Standard is in conjunction with EN 806-1 and EN 806-2 for drinking water systems within premises. This European Standard describes a calculation method for the dimensioning of pipes for the type of drinking water standard-installations as defined in 4.2. It contains no pipe sizing for fire fighting systems.