oSIST prEN 806-1:2024
(Main)Specifications for installations inside buildings conveying water intended for human consumption - Part 1: General
Specifications for installations inside buildings conveying water intended for human consumption - Part 1: General
This document specifies requirements for and gives recommendations on the design, installation, alteration, testing, maintenance and operation of installations inside buildings conveying water intended for human consumption (hereafter referred to as potable water installations) within buildings and, for certain purposes, pipework outside buildings but within the premises (see Figure 1).
It covers the system of pipelines, fittings and connected appliances installed for supplying potable water from the delivery point to the point of use.
Technische Regeln für Trinkwasser-Installationen - Teil 1: Allgemeines
Dieses Dokument beschreibt die Anforderungen und gibt Empfehlungen für die Planung, Installation, Änderung, Prüfung, Instandhaltung und den Betrieb von Installationen innerhalb von Gebäuden, die Wasser für den menschlichen Gebrauch transportieren (im Folgenden als Trinkwasserinstallationen bezeichnet) innerhalb von Gebäuden und für bestimmte Anwendungen von Rohrleitungsanlagen außerhalb von Gebäuden, aber innerhalb des Grundstücks (siehe Bild 1).
Es umfasst die Rohrleitungen, Anschlussstücke und angeschlossenen Geräte, die zur Versorgung mit Trinkwasser installiert werden, von der Übergabestelle bis zur Stelle der Nutzung.
Spécifications techniques relatives aux installations pour l'eau destinée à la consommation humaine à l'intérieur des bâtiments - Partie 1: Généralités
Le présent document spécifie les exigences et donne des recommandations relatives à la conception, à l’installation, à la modification, aux essais, à la maintenance et à l’exploitation des installations pour l’eau destinée à la consommation humaine (ci-après dénommées « installations d’eau potable ») à l’intérieur des bâtiments, incluant, dans certains cas, les canalisations à l’extérieur des bâtiments, dans les limites de propriété (voir la Figure 1).
Il couvre les canalisations, les raccords, les accessoires de tuyauterie et les appareils raccordés installés pour l’alimentation en eau potable, du point de livraison au point d’utilisation.
Specifikacije za napeljave za pitno vodo v stavbah - 1. del: Splošno
General Information
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Standards Content (Sample)
SLOVENSKI STANDARD
01-november-2024
Specifikacije za napeljave za pitno vodo v stavbah - 1. del: Splošno
Specifications for installations inside buildings conveying water intended for human
consumption - Part 1: General
Technische Regeln für Trinkwasser-Installationen - Teil 1: Allgemeines
Spécifications techniques relatives aux installations pour l'eau destinée à la
consommation humaine à l'intérieur des bâtiments - Partie 1: Généralités
Ta slovenski standard je istoveten z: prEN 806-1
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.
DRAFT
EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
September 2024
ICS 91.140.60 Will supersede EN 806-1:2000
English Version
Specifications for installations inside buildings conveying
water intended for human consumption - Part 1: General
Spécifications techniques relatives aux installations Technische Regeln für Trinkwasser-Installationen -
pour l'eau destinée à la consommation humaine à Teil 1: Allgemeines
l'intérieur des bâtiments - Partie 1: Généralités
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 164.
If this draft becomes a European Standard, 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.
This draft European Standard was established by CEN 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-CENELEC
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, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 806-1:2024 E
worldwide for CEN national Members.
Contents Page
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 4
4 Objectives . 17
5 Graphic symbols and abbreviations . 18
6 Sphere of application of the standard . 53
Annex A (informative) Examples for the use of graphic symbols . 54
Bibliography . 56
European foreword
This document (prEN 806-1:2024) has been prepared by Technical Committee CEN/TC 164 “Water
supply”, the secretariat of which is held by AFNOR.
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 806-1:2000.
— complete editorial revision and update;
— inclusion of new terms.
Annex A of this document is informative.
This is the first part of the European Standard EN 806 consisting of 5 parts as follows:
— EN 806-1, General
— EN 806-2, Design
— EN 806-3, Pipe sizing – simplified method
— EN 806-4, Installation
— EN 806-5, Operation and maintenance
This document has been prepared under a standardization request addressed to CEN by the European
Commission. The Standing Committee of the EFTA States subsequently approves these requests for its
Member States.
EN 806-3 is currently being revised and could appear under a new title with the same EN number.
1 Scope
This document specifies requirements for and gives recommendations on the design, installation,
alteration, testing, maintenance and operation of installations inside buildings conveying water intended
for human consumption (hereafter referred to as potable water installations) within buildings and, for
certain purposes, pipework outside buildings but within the premises (see Figure 1).
It covers the system of pipelines, fittings and connected appliances installed for supplying potable water
from the delivery point to the point of use.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
EN 805, Water supply — Requirements for systems and components outside buildings
EN 806 (all parts), Specification for installations inside buildings conveying water intended for human
consumption
ISO 4063, Welding, brazing, soldering and cutting — Nomenclature of processes and reference numbers
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https://www.iso.org/obp/
— IEC Electropedia: available at https://www.electropedia.org/
3.1
active media filter
filter which uses special substances or media for altering the properties of water
Note 1 to entry: For further information see EN 14898.
3.2
adjustable control valve
valve for regulating flow, pressure or temperature
3.3
air break to drain
vertical air gap realised by air inlets or full disconnection between the lowest point of the outlet and the
spillover level of the atmospheric drain overflow
Note 1 to entry: For further information see EN 1717.
3.4
air gap
permanent atmospheric separation between the upstream fluid supply and the downstream fluid
Note 1 to entry: For further information see EN 1717.
3.5
air inlet
orifice designed to admit air from the atmosphere into a hydraulic circuit
Note 1 to entry: For further information see EN 1717.
3.6
air lock
zone inside the pipeline where air bubbles can collect and limit water circulation
3.7
anti-pollution check valve
device which allows water to flow just in one direction and prevent water to return back
Note 1 to entry: Anti-pollution check valve is usually called check valve in a short term.
Note 2 to entry: For further information see EN 13959.
3.8
appliance
equipment
device in which the potable water is used and/or is modified e.g. water heater, coffee machine, flushing
cistern
Note 1 to entry: For further information see EN 1717.
3.9
backflow
movement of the fluid from downstream to upstream within an installation
Note 1 to entry: For further information see EN 1717.
3.10
backflow protection device
device which is intended to prevent pollution of potable water by backflow
Note 1 to entry: For further information see EN 1717.
3.11
blending devices
valve which mixes treated water and not treated water for reaching a set value at the outlet
3.12
bonding rail
point of connections of all earthing wires
3.13
bypass pipeline
bypass device
pipeline or device which is connected in parallel with the main pipeline or device
3.14
cavitation
physical phenomenon which occurs when the water pressure falls below the vapour pressure of the
water at a certain temperature
3.15
circulation control valve
valve actuated to control the flow and temperature in a circulation pipeline
3.16
circulation pump
device which ensures water flow in the circulation pipeline
3.17
circulation system
circuit which returns the potable water to maintain the circuit at a set temperature
3.18
cistern
fixed, vented container for holding water at atmospheric pressure
3.19
conditioning agent
substance added to the water for altering its properties (e.g. polyphosphate)
Note 1 to entry: For further information see EN 14812
3.20
control valve
static or automatic valve actuated to control the flow and temperature
3.21
corrosion
physicochemical (often electrochemical) interaction between a material and its environment that results
in changes in the properties of the material, and which may lead to significant impairment of the function
of the material, the environment, or the technical system, of which these form a part
Note 1 to entry: For further information on corrosion on metals see EN 12502 parts 1-5.
3.22
designer
natural or legal person responsible for planning, calculation and performance specification of potable
water installations
Note 1 to entry: Attention is drawn to national or local regulations that can contain requirements for qualification.
3.23
direction of flow
direction of flow during normal operation
3.24
directly heated water heater
water heater in which the thermal energy is transmitted directly to the water via a connecting wall
3.25
discharge pipeline
pipeline which accommodates water discharged from a device or point of an installation
3.26
distributing pipeline
pipeline (other than an overflow pipeline or a flush pipeline) conveying water from
a storage cistern, or from a hot water appliance supplied from a feed cistern, and under pressure from
that cistern
3.27
double feed vented primary circuit
water system in which, the primary circuit is fed independently of the secondary
system
3.28
drain tap
tap fitted to drain the contents of the potable water installation or of parts of it
3.29
drainage connection
pipeline connection to drain
3.30
draw-off point
point in the potable water installation from which potable water can be drawn
3.31
dynamic flow diverter
device that creates a specific pressure loss able to force a flow of water in the connected branch circuit
3.32
dynamic pressure
dynamic flow pressure
pressure at a measuring point in the potable water installation under flow condition
3.33
electrical isolator
device which electrically isolates two metallic pipelines
3.34
expansion group
combination of devices for isolating, protecting against backflow and overpressure for the expansion of
water
Note 1 to entry: For further information see EN 1488.
3.35
expansion joint
fitting which allows expansion of pipeline due to thermal effect
3.36
expansion loop
loop or pipeline configuration which allows expansion of pipeline due to thermal effect
Note 1 to entry: E.g. bellow, omega shape, bends.
3.37
expansion valve
valve for water expansion which protects against overpressure
Note 1 to entry: For further information see EN 1491.
3.38
expansion vessel
device which accommodates expanded water due to thermal effect
3.39
family of protection
general identification of a backflow protection device principle
Note 1 to entry: For further information see EN 1717.
3.40
ferrule
device for connecting a service pipeline to the local main
Note 1 to entry: The device may contain a service stop valve.
3.41
firefighting pipeline
firefighting supply pipeline with extinguishing devices (e.g. hydrants, sprinklers and water curtains)
3.42
fixed point attachment
point where the pipelines are fixed and cannot move
3.43
float-operated valve
valve which opens or closes the flow by a lever or electrical circuit operated by a float
3.44
floor service pipeline
pipeline which branches off from vertical distribution pipelines within a floor and from a floor and/or
from which a single feed pipeline branch
3.45
flow rate
ratio based on the volume of water and time
3.46
flow reducing valve
device for reducing the flow by narrowing the cross section
3.47
flow-through expansion vessel
expansion vessel where water can circulate inside due to a special connection device
3.48
flow velocity
speed of the water in a pipeline
3.49
flushing
process in order to avoid stagnation and/or remove impurities
3.50
guide bracket
fixing element which allow movement in a determined direction
3.51
heat exchanger
device which transfers heat between physically separated circuits
3.52
heat pump
equipment which increases the temperature of the water using electricity or other energy sources
3.53
heat trap
pipeline configuration shaped and dimensioned for avoiding convective heat transfer inside
...
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