UNE-EN 806-2:2005

Foreword
1 Scope
2 Normative references
3 General requirements
4 Private water supplies
5 Acceptable materials
6 Components
7 Pipework inside buildings
8 Cold potable water services
9 Hot water systems
10 Prevention of bursting
11 Guidelines for water meter installations
12 Water conditioning
13 Acoustics
14 Protection of systems against temperatures external to
   pipes, fittings and appliances
15 Boosting
16 Pressure reducing valves
17 Combined drinking water and fire fighting services
18 Prevention of corrosion damage
19 Additional requirements for vented cold and hot water
   systems
Annex A (informative) List of acceptable materials
                      (non-exhaustive)
Annex B (informative) Aspects for water conditioning
Bibliography

Provides recommendations, and specifies requirements, on the design of potable water installations within buildings and for pipework outside buildings but within the premises (see EN 806-1) and applies to new installations, alterations and repairs.