EN 806-4:2010

Specifications for installations inside buildings conveying water for human consumption - Part 4: Installation

This European Standard specifies requirements and gives recommendations for the installation of potable water installations within buildings and for pipework outside buildings but within the premises in accordance with EN 806-1. This European Standard is applicable to new installations, alterations and repairs.

Technische Regeln für Trinkwasser-Installationen - Teil 4: Installation

Diese Europäische Norm legt Anforderungen fest und gibt Empfehlungen für den Einbau von Trinkwasser-
Installationen innerhalb von Gebäuden sowie an die Verlegung von Rohrleitungen außerhalb von Gebäuden,
jedoch innerhalb des Grundstücks nach EN 806-1. Diese Europäische Norm ist auf Neuinstallationen,
Umbau und Reparaturen anwendbar.

Spécifications techniques relatives aux installations d'eau destinée à la consommation humaine à l'intérieur des bâtiments - Partie 4 : Installation

La présente Norme européenne spécifie les exigences et donne des recommandations concernant la mise en
oeuvre des installations d'eau potable à l'intérieur des bâtiments et des canalisations à l'extérieur des
bâtiments, dans les limites de propriété conformément à l'EN 806-1. Elle s'applique aux nouvelles
installations, aux modifications et aux réparations.

Specifikacije za napeljave za pitno vodo v stavbah - 4. del: Inštalacije

Ta evropski standard določa zahteve in podaja priporočila za napeljavo za pitno vodo v stavbah in cevovode zunaj stavb, a v obsegu zemljišča, v skladu z EN 806-1. Ta evropski standard velja za nove napeljave, spremembe in popravila.

General Information

• Status: Published
• Publication Date: 09-Mar-2010
• Withdrawal Date: 29-Sep-2010
• ICS: 91.140.60 - Water supply systems
• Technical Committee: CEN/TC 164 - Water supply
• Drafting Committee: CEN/TC 164/WG 2 - Internal systems and components
• Current Stage: 9093 - Decision to confirm - Review Enquiry
• Completion Date: 21-Jun-2022
• Directive: 98/83/EC - Quality of water intended for human consumption
• Ref Project: SIST EN 806-4:2011 - Specifications for installations inside buildings conveying water for human consumption - Part 4: Installation

Standards Content (Sample)

SLOVENSKI STANDARD
01-april-2011
Specifikacije za napeljave za pitno vodo v stavbah - 4. del: Inštalacije
Specifications for installations inside buildings conveying water for human consumption -
Part 4: Installation
Technische Regeln für Installationen innerhalb von Gebäuden für Trinkwasser für den
menschlichen Gebrauch - Teil 4: Installation
Spécifications techniques relatives aux installations d'eau destinée à la consommation
humaine à l'intérieur des bâtiments - Partie 4 : Installation
Ta slovenski standard je istoveten z: EN 806-4:2010
ICS:
13.060.20 Pitna voda Drinking water
91.140.60 Sistemi za oskrbo z vodo Water supply systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 806-4
NORME EUROPÉENNE
EUROPÄISCHE NORM
March 2010
ICS 91.140.60
English Version
Specifications for installations inside buildings conveying water
for human consumption - Part 4: Installation
Spécifications techniques relatives aux installations d'eau Technische Regeln für Trinkwasser-Installationen - Teil 4:
destinée à la consommation humaine à l'intérieur des Installation
bâtiments - Partie 4 : Installation
This European Standard was approved by CEN on 23 January 2010.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the CEN Management Centre or to any CEN member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the
official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,
Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

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COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2010 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 806-4:2010: E
worldwide for CEN national Members.

Contents Page
Foreword .4
1 Scope .5
2 Normative references .5
3 Terms and definitions .7
4 Work on site .7
4.1 General .7
4.2 Handling of materials.7
4.3 Bending pipes .7
4.4 Jointing of pipes .7
4.4.1 General .7
4.4.2 Pipe materials and jointing methods .8
4.4.3 Boilers and instantaneous water heaters connection . 12
4.5 Joining pipes to cisterns . 12
4.5.1 General . 12
4.5.2 Steel pipes to steel, fibre cement or glass reinforced plastics cisterns . 12
4.5.3 Copper or plastics pipe to steel, fibre cement or glass reinforced plastics cisterns . 12
4.5.4 Concrete cisterns . 13
4.5.5 Thermo-plastics cisterns . 13
4.6 Underground pipe laying . 13
4.7 Pipework in buildings . 13
4.7.1 Allowances for thermal movement and prevention of noise . 13
4.7.2 Pipe fixings . 14
4.7.3 Concealed (hidden) piping . 14
4.7.4 Piping passing through structures . 16
4.7.5 Clearance of structural members . 16
4.7.6 Penetration of fire walls and floors . 17
4.7.7 Drainage and prevention of air locks . 17
4.7.8 Pipe positioning . 17
4.8 Valves and taps . 17
4.9 Identifying and recording piping locations . 17
4.9.1 Location of pipes and valves . 17
4.9.2 Identification of above ground piping. 17
4.9.3 Record of installation . 18
4.9.4 Identification of valves installed above ground . 18
4.10 Water conditioning devices . 18
5 Dissimilar metals. 18
5.1 General . 18
5.2 Combination of pipes and fittings/valves made of different metals . 18
5.3 Flow-direction-rule . 19
6 Commissioning . 19
6.1 Filling and hydrostatic pressure testing of the installations inside buildings conveying
water for human consumption . 19
6.1.1 General . 19
6.1.2 Steel pipes, stainless steel pipes and copper pipes (linear elastic material) . 19
6.1.3 Plastics pipes (elastic or visco-elastic material) . 20
6.2 Flushing the pipework . 23
6.2.1 General procedure . 23
6.2.2 Flushing with water. 23
6.2.3 Flushing procedure with water/air mixture . 24
6.3 Disinfection . 25
6.3.1 General. 25
6.3.2 Selection of disinfectants . 26
6.3.3 Methods for using disinfectants . 26
6.3.4 Disinfection of storage cisterns and distributing pipes . 27
6.3.5 Localised repairs . 27
Annex A (normative) Pipe system material specifications, jointing procedures and pipe
installation for different types of materials. 28
A.1 General. 28
A.2 Connections between different materials . 28
A.2.1 Above-ground pipework . 28
A.2.2 Below-ground pipework . 28
A.3 Ductile iron . 28
A.3.1 General. 28
A.3.2 Types of joints . 28
A.3.3 Jointing procedures . 29
A.4 Stainless steel piping . 29
A.4.1 General. 29
A.4.2 Types of joints . 29
A.4.3 Preparation of tube . 30
A.4.4 Corrosion . 31
A.5 Hot dip galvanised steel piping . 31
A.5.1 General. 31
A.5.2 Types of joints . 31
A.5.3 Welded joints . 32
A.5.4 Corrosion . 32
A.6 Copper piping . 32
A.6.1 General. 32
A.6.2 Categories of joints . 32
A.6.3 Jointing procedures . 33
A.6.4 Bending.
...