1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 806-5:2012Specifications for installationsinside buildings conveyingwater for human consumptionPart 5: Operation and maintenanceBS EN 806-5:2012 BRITISH STANDARDNational fo
2、rewordThis British Standard is the UK implementation of EN 806-5:2012.Together with BS EN 806-1:2000, BS EN 806-2:2005, BS EN 806-3:2006and BS EN 806-4:2010, it supersedes BS 6700:2006+A1:2009, which will be withdrawn on 01 August 2012.The UK participation in its preparation was entrusted to Technic
3、al Committee B/504/2, Water Supply - Internal systems andcomponents.A list of organizations represented on this committee can be obtained on request to its secretary.Users of this standard should note that there will be a short period of co-existence between BS 6700:2006+A1:2009 and the BS EN 806 se
4、ries, to assist UK industry with the transition from BS 6700 to the BS EN 806 series of standards. In addition, BS 8558:2011 has been published to be read in conjunction with the BS EN 806 series.BS 8558:2011, Guide to the design, installation, testing andmaintenance of services supplying water for
5、domestic use withinbuildings and their curtilages Complementary guidance to BS EN 806,incorporates parts of BS 6700:2006+A1:2009, Design, installation, testing and maintenance of services supplying water for domestic use within buildings and their curtilages Specification, as they are not detailed i
6、n the BS EN 806 series of standards.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2012. Published by BSI StandardsLimited 2012ISBN 978 0 580 67078 7ICS 91.140.60Compliance wi
7、th a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 March 2012.Amendments issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 806-5 Fe
8、bruary 2012 ICS 91.140.60 English Version Specifications for installations inside buildings conveying water for human consumption - Part 5: Operation and maintenance Spcifications techniques relatives aux installations deau destine la consommation humaine lintrieur des btiments - Partie 5: Exploitat
9、ion et maintenance Technische Regeln fr Trinkwasser-Installationen - Teil 5: Betrieb und Wartung This European Standard was approved by CEN on 19 November 2011. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard
10、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-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, Fr
11、ench, 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, Bulgari
12、a, 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, Turkey and United Kingdom. EUROPEAN COMMITTE
13、E FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 806-5:2012: EBS EN 806-5:2012EN 806-5:201
14、2 (E) 2 Contents Page Foreword 41 Scope 52 Normative references 53 Terms and definitions .74 General 75 Documentation .76 Operation 87 Interruptions to operation and disconnection 88 Resumption of supply .99 Damage and faults .99.1 Change in water quality 99.2 Insufficient water supply .99.3 Noise e
15、mission 1010 Alterations, extensions and refurbishment . 1011 Accessibility of installation components . 1012 Maintenance 10Annex A (normative) Frequencies for inspection and maintenance of components for potable water installations. 12Annex B (normative) Inspection and maintenance procedures 14B.1
16、Air gaps (protection device family A) . 14B.2 Pipe interrupters (protection unit family D type C) . 14B.3 Backflow preventer with controllable reduced pressure zone (protection unit BA) . 15B.4 Backflow preventer with different non-controllable pressure zones (protection unit CA) . 17B.5 Controllabl
17、e antipollution check valves (protection units EA and EC) . 18B.6 Non-controllable antipollution check valves (protection units EB and ED) . 19B.7 Inline anti vacuum valve (protection units DA) . 19B.8 Pipe interrupter with atmospheric vent and moving elements (protection unit DB) . 20B.9 Hose union
18、 backflow preventer (protection unit HA) . 21B.10 Hose union anti-vacuum valve (protection unit type HB) 22B.11 Automatic diverter (protection unit type HC) . 22B.12 Hose union anti vacuum valve combined with check valve (protection unit family H type D) 23B.13 Pressurised air inlet valve (protectio
19、n unit family L type A) 24B.14 Pressurised air inlet valve combined with a check valve located downstream (protection unit family L type B) 24B.15 Hydraulic safety groups and expansion groups . 25B.16 Pressure safety valves, expansion valves and combined temperature and pressure relief valves . 26B.
20、17 Inline hot water supply tempering valves 27B.18 Pressure reducing valve 27B.19 Pressure booster pump . 28B.20 Water heaters 28B.21 Fire fighting installations . 28B.22 Pipework 28B.23 Water meters . 28BS EN 806-5:2012EN 806-5:2012 (E) 3 Annex C (normative) Inspection and maintenance procedures fo
21、r water conditioning devices . 30Bibliography 31BS EN 806-5:2012EN 806-5:2012 (E) 4 Foreword This document (EN 806-5:2012) has been prepared by Technical Committee CEN/TC “Water supply“, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standar
22、d, either by publication of an identical text or by endorsement, at the latest by August 2012, and conflicting national standards shall be withdrawn at the latest by August 2012. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN
23、 and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document is intended for the use of engineers, architects, surveyors, contractors, installers, water suppliers, consumers and regulatory inspectors. This standard has been written in the form of a pract
24、ice specification. It is the fifth part of the European Standard “Specifications for installations inside buildings concerning water for human consumption“ consisting of five parts as follows: Part 1: General; Part 2: Design; Part 3: Pipe sizing Simplified method; Part 4: Installation; Part 5: Opera
25、tion and maintenance. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hun
26、gary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 806-5:2012EN 806-5:2012 (E) 5 1 Scope This European Standard specifies requirements and gives reco
27、mmendations for the operation and maintenance of potable water installations within buildings and for pipework outside buildings but within the premises in accordance with EN 806-1. 2 Normative references The following referenced documents are indispensable for the application of this document. For
28、dated references, only the edition cited applies. For undated references the latest edition of the referenced document (including any amendments) applies. EN 806-1:2000, Specifications for installations inside buildings conveying water for human consumption Part 1: General EN 806-2, Specifications f
29、or installations inside buildings conveying water for human consumption Part 2: Design EN 806-4:2010, Specifications for installations inside buildings conveying water for human consumption Part 4: Installation EN 1487, Building valves Hydraulic safety groups Tests and requirements EN 1488, Building
30、 valves Expansion groups Tests and requirements EN 1489, Building valves Pressure safety valves Tests and requirements EN 1490, Building valves Combined temperature and pressure relief valves Tests and requirements EN 1491, Building valves Expansion valves Tests and requirements EN 1567, Building va
31、lves Water pressure reducing valves and combination water pressure reducing valves Requirements and tests EN 1717:2000, Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backflow EN 12729, Devices to prevent pollution by
32、backflow of potable water Controllable backflow preventer with reduced pressure zone Family B - Type A EN 12897, Water supply Specification for indirectly heated unvented (closed) storage water heaters EN 13076, Devices to prevent pollution by backflow of potable water Unrestricted air gap Family A
33、- Type A EN 13077, Devices to prevent pollution by backflow of potable water Air gap with non-circular overflow (unrestricted) Family A - Type B EN 13078, Devices to prevent pollution by backflow of potable water Air gap with submerged feed incorporating air inlet plus overflow Family A, type C EN 1
34、3079, Devices to prevent pollution by backflow of potable water Air gap with injector Family A - Type D EN 13433, Devices to prevent pollution by backflow of potable water Mechanical disconnector, direct actuated Family G, type A BS EN 806-5:2012EN 806-5:2012 (E) 6 EN 13434, Devices to prevent pollu
35、tion by backflow of potable water Mechanical disconnector, hydraulic actuated Family G, type B EN 13443-1, Water conditioning equipment inside buildings Mechanical filters Part 1: Particle rating 80 m to 150 m Requirements for performances, safety and testing EN 13443-2, Water conditioning equipment
36、 inside buildings Mechanical filters Part 2: Particle rating 1 m to less than 80 m Requirements for performance, safety and testing EN 13959, Anti-pollution check valves DN 6 to DN 250 inclusive family E, type A, B, C and D EN 14095, Water conditioning equipment inside buildings Electrolytic treatme
37、nt systems with aluminium anodes Requirements for performance, safety and testing EN 14367, Non-controllable backflow preventer with different pressure zones Family C, type A EN 14451, Devices to prevent pollution by backflow of potable water In-line anti-vacuum valves DN 8 to DN 80 Family D, type A
38、 EN 14452, Devices to prevent pollution by backflow of potable water Pipe interrupter with atmospheric vent and moving element DN 10 to DN 20 Family D, type B EN 14453, Devices to prevent pollution by backflow of potable water Pipe interrupter with permanent atmospheric vent DN 10 to DN 20 Family D,
39、 type C EN 14454, Devices to prevent pollution by backflow of potable water Hose union backflow preventer DN 15 to DN 32 Family H, type A EN 14455, Devices to prevent pollution by backflow of potable water Pressurised air inlet valves DN 15 to DN 50 Family L, type A and type B EN 14506, Devices to p
40、revent pollution by backflow of potable water Automatic diverter Family H, type C EN 14622, Devices to prevent pollution by backflow of potable water Air gap with circular overflow (restricted) Family A, type F EN 14623, Devices to prevent pollution by backflow of potable water Air gaps with minimum
41、 circular overflow (verified by test or measurement) Family A, type G EN 14652, Water conditioning equipment inside buildings Membrane separation devices Requirements for performance, safety and testing EN 14743, Water conditioning equipment inside buildings Softeners Requirements for performance, s
42、afety and testing EN 14812, Water conditioning equipment inside buildings Chemical dosing systems Pre-set dosing systems Requirements for performance, safety and testing EN 14897, Water conditioning equipment inside buildings Devices using mercury low-pressure ultraviolet radiators Requirements for
43、performances, safety and testing EN 14898, Water conditioning equipment inside buildings Active media filters Requirements for performances, safety and testing EN 15092, Building valves Inline hot water supply tempering valves Tests and requirements EN 15096, Devices to prevent pollution by backflow
44、 of potable water Hose union anti-vacuum valves DN 15 to DN 25 inclusive Family H, type B and type D General technical specification BS EN 806-5:2012EN 806-5:2012 (E) 7 EN 15161, Water conditioning equipment inside buildings Installation, operation, maintenance and repair EN 15219, Water conditionin
45、g equipment inside buildings Nitrate removal devices Requirements for performance, safety and testing EN 15848, Water conditioning equipment inside buildings Adjustable chemical dosing systems Requirements for performance, safety and testing EN ISO 3822-1, Acoustics Laboratory tests on noise emissio
46、n from appliances and equipment used in water supply installations Part 1: Method of measurement (ISO 3822-1:1999) EN ISO 3822-2, Acoustics Laboratory tests on noise emission from appliances and equipment used in water supply installations Part 2: Mounting and operating conditions for draw-off taps
47、and mixing valves (ISO 3822-2:1995) EN ISO 3822-3, Acoustics Laboratory tests on noise emission from appliances and equipment used in water supply installations Part 3: Mounting and operating conditions for in-line valves and appliances (ISO 3822-3:1997) EN ISO 3822-4, Acoustics Laboratory tests on
48、noise emission from appliances and equipment used in water supply installations Part 4: Mounting and operating conditions for special appliances (ISO 3822-4:1997) 3 Terms and definitions For the purposes of this document, the terms, definitions and graphical symbols given in EN 806-1:2000 and EN 1717:2000 apply. 4 General Installations shall be operated and maintained in such a manner as to avoid adversely affecting the quality of potable water, the supply to consumers and the equipment of the water supplier. Installation
