1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationGreywater systems Part 1: Code of practiceBS 8525-1:2010BS 8525-1:2010 BRITISH STANDARDPublishing and copyright innullormationThe BSI copyright notice displayed in this docnullnu
2、llent indicates nullhen the docnullnullent nullas last issnullednullnull BSI 2010ISBN nullnull8 0 580 nullnullnullnull5 8InullS 2nullnull020nullnullnullnull null1null1null0null80The nullollonulling BSI renullerences relate to the nullornull on this standard: nullonullnullittee renullerence nullBnull
3、50null Dranullt nullor conullnullent 0nullnullnull018null122 DnullPublication historynullirst pnullnulllishednull nullnullne 2010nullmendments issued since publicationnullate nullenullt anullnullected null BSI 2010 null iBS 8525-1:2010BRITISH STANDARDnullontentsnullorenullord iii0 Introdnullction 11
4、 Scope 22 Nornullatinulle renullerences 2null Ternulls and denullnitions 4null Design 65 Installation 20null nullater nullnullality 25null nullaintenance 288 Risnull assessnullents 29nullnnenullesAnnenull A nullnornullatinullenull Integrated greynullater and rainnullater systenulls 31Annenull B null
5、nornullatinullenull nullarnulling and lanullelling 35Annenull null nullinnullornullatinullenull nullnullanullples onull typical greynullater systenulls nullith dinullnullerent nullacnull-nullp nullater snullpply arrangenullents 38Annenull D nullnornullatinullenull nullater sanullpling 41Binullliogra
6、phy 43nullist onull nullguresnullignullre 1 null nullnrestricted Type AA air gap nullBS nullN 1null0nullnullnull 15nullignullre 2 null nullnrestricted Type AB air gap nullith non-circnulllar onullernullonullnullBS nullN 1null0nullnullnull 16nullignullre null null nullross-connection dye test 24nulli
7、gnullre Anull1 null Typical integrated greynullater and rainnullater systenull nullith single storagenull direct non-potanullle snullpply and Type AA air gap 33nullignullre Anull2 null Typical integrated greynullater and rainnullater systenull nullith indirect non-potanullle snullpply and Type AB ai
8、r gap 34nullignullre Bnull1 null nullnullanullples onull identinullcation tags and their positioning 36nullignullre Bnull2 null Signage nullor points onull nullse snullpplied nully non-potanullle nullater 37nullignullre Bnullnull null Signage nullor points onull nullse snullpplied nully potanullle n
9、ullater 37nullignullre nullnull1 null Typical systenull nullith indirect treated greynullater snullpply and Type AB air gap 38nullignullre nullnull2 null Typical systenull nullith direct treated greynullater snullpply nullia nullodnullle and Type AB air gap 39nullignullre nullnullnull null Typical s
10、ystenull nullith direct treated greynullater snullpply and Type AB air gap 40nullignullre nullnullnull null Typical systenull nullith direct treated greynullater snullpply and Type AA air gap 41nullist onull tablesTanullle 1 null Typical anullerage daily greynullater yield and denulland 8Tanullle 2
11、null nullnullideline nullalnulles nullnullnull nullor nullacteriological nullonitoring 26Tanullle null null nullnullideline nullalnulles nullnullnull nullor general systenull nullonitoring 27Tanullle null null Interpretation onull resnulllts nullronull nullacteriological nullonitoring 27Tanullle 5 n
12、ull Interpretation onull resnulllts nullronull systenull nullonitoring27Tanullle null null nullaintenance schednullle 28Summary onull pagesThis docnullnullent conullprises a nullront conullernull an inside nullront conullernull pages i to inullnull pages 1 to nullnullnull an inside nullacnull conull
13、er and a nullacnull conullernullBS 8525-1:2010ii null null BSI 2010BRITISH STANDARDThis page deliberately left blanknull BSI 2010 null iiiBS 8525-1:2010BRITISH STANDARDnullorewordPublishing innullormationThis part onull BS 8525 is pnullnulllished nully BSI and canulle into enullnullect on null0 null
14、nullne 2010null It nullas prepared nully Technical nullonullnullittee nullBnull50nullnull Water reusenull A list onull organinullations represented on this conullnullittee can nulle onulltained on renullnullest to its secretarynullnullelationship with other publicationsBS 8525null Greywater systenul
15、lsnull nullill nulle pnullnulllished in tnullo parts:null nullart 1: nullnullde nullf pranulltinullenullnull nullart 2: nullnullnullestinull greywater treatnullent enulluipnullent null nullenulluirenullents and test nullethnulldsnullnullse onull this documentAs a code onull practicenull this part on
16、ull BS 8525 tanulles the nullornull onull gnullidance and reconullnullendationsnull It shonullld not nulle nullnulloted as inull it nullere a specinullcation and particnulllar care shonullld nulle tanullen to ensnullre that clainulls onull conullpliance are not nullisleadingnullAny nullser clainulli
17、ng conullpliance nullith this part onull BS 8525 is enullpected to nulle anullle to nullnullstinully any conullrse onull action that denulliates nullronull its reconullnullendationsnullPresentational connullentionsThe pronullisions in this standard are presented in ronullan nullinullenull nullpright
18、nulltypenull Its reconullnullendations are enullpressed in sentences in nullhich the principal anullnulliliary nullernull is nullshonullldnullnullnullnullnullnullentarynull enullplanatinulln and general infnullrnullatinulle nullaterial is presented in snullaller italinull typenull and dnulles nnullt
19、 nullnullnstitute a nnullrnullatinulle elenullentnullnullontractual and legal considerationsThis pnullnulllication does not pnullrport to inclnullde all the necessary pronullisions onull a contractnull nullsers are responsinullle nullor its correct applicationnullnullompliance with a British Standar
20、d cannot connuller immunity nullrom legal obligationsnullIn particnulllarnull attention is dranulln to the nullollonulling regnulllations:null The nullrinullate nullater Snullpplies Regnulllations 200null null1nullnullnull The nullrinullate nullater Snullpplies nullScotlandnull Regnulllations 200nul
21、l null2nullnullnull The nullrinullate nullater Snullpplies nullnullalesnull Regnulllations 2010 nullnullnullnullnull The nullrinullate nullater Snullpplies Regnulllations nullNorthern Irelandnull 200null nullnullnullnullnull The Health and Sanullety at nullornull etcnull Act 1nullnullnull null5nulln
22、ullnull The nullornullplace nullHealthnull Sanullety and nullelnullarenull Regnulllations 1nullnull2 nullnullnullnullnull The Bnullilding Regnulllations nullnullngland and nullalesnull 2000 nullnullnullnullnull The Bnullilding Standards nullScotlandnull Regnulllations 200null null8nullnullnull The B
23、nullilding Regnulllations nullNorthern Irelandnull 2000 nullnullnullnullnull The nullonnullned Spaces Regnulllations 1nullnullnull null10nullnullnull The nullornull at Height Regnulllations 2005 null11nullnullBS 8525-1:2010inull null null BSI 2010BRITISH STANDARDIn this docnullnullentnull the nullol
24、lonulling national regnulllationsnull nullhich apply to plnullnullnulling systenulls in prenullises to nullhich a snullpply onull pnullnulllic nullains nullater has nulleennull or is to nullenull pronullidednull are renullerred to as the nullnullater nullittings Regnulllations null12nullnull:null Th
25、e nullater Snullpply nullnullater nullittingsnull Regnulllations 1nullnullnullnull in nullngland nullnullalesnullnull The nullater Byelanulls 200null nullScotlandnullnull in Scotlandnullnull The nullater Snullpply nullnullater nullittingsnull Regnulllations nullNorthern Irelandnull200nullnull in Nor
26、thern Irelandnullnull BSI 2010 null 1BS 8525-1:2010BRITISH STANDARD0 nullntroduction0null1 Generalnulln-site collection and nullse onull greynullater is an alternatinulle to pnullnulllic nullains or prinullate potanullle nullater snullpply nullor a nullariety onull non-potanullle nullater nullses in
27、 the honullenull nullornullplace and gardennullAs greynullater systenulls nulleconulle nullore popnulllarnull there is a need nullor standardinullation to protect the pnullnulllic and to ensnullre that relianullle systenulls are designednull installed and nullaintainednull0null2 nullypes onull greyw
28、ater systemsnullreynullater systenulls nullary signinullcantly in their conullplenullity and sinullenull and can nulle gronullped according to the type onull nullltration or treatnullent they nullsenull as nullollonullsnullanull Direct renullse systenulls nullno treatnullentnullThese systenulls null
29、se sinullple denullices to collect greynullater nullronullappliances and delinuller it directly to the points onull nullsenull nullith no treatnullent and nullininullalnull or nonull storagenull enullgnull a greynullater dinullerter nullalnullenullnullnullTnull 1 nullt is pnullssible tnull reuse gre
30、ywater withnullut any treatnullentnullprnullnullided that enulltended stnullrage is nnullt renulluirednull nulls untreated greywater nulluality deterinullrates rapidlynull the nullnullllenullted greywater ideally needs tnull be reused as snullnulln as it has nullnullnulllednullnullnullTnull 2 Where
31、nnull treatnullent is innullluded in the greywater systenullnullapplinullatinullns are restrinullted tnull subnullsurfanulle irrigatinulln and nnullnnullspray applinullatinullnsnullnullnull Short retention systenullsThese systenulls apply a nullery nullasic nullltration or treatnullent techninullnul
32、lenullsnullch as snullinullnulling denullris onullnull the snullrnullace onull the collected greynullater and allonulling particles to settle to the nullottonull onull the tannullnull They ainull to anulloid odonullr and nullater nullnullality issnulles nully ensnullring that the treated greynullate
33、r is not stored nullor an enulltended periodnullcnull Basic physicalnullchenullical systenullsThese systenulls nullse a nulllter to renullonulle denullris nullronull the collected greynullater prior to storage nullhile chenullical disinnullectants nullenullgnullchlorine or nullronullinenull are gene
34、rally nullsed to stop nullacterial gronullth dnullring storagenulldnull Biological systenullsThese systenulls nullse aeronullic or anaeronullic nullacteria to digest any nullnnullanted organic nullaterial in the collected greynullaternull In the case onull aeronullic treatnullentnull pnullnullps or
35、anullnullatic plants can nulle nullsed to aerate the nullaternullenull Bio-nullechanical systenullsThese systenullsnull the nullost adnullanced nullor donullestic greynullater renullsenullconullnulline nulliological and physical treatnullentnull enullgnull renullonulling organic nullatter nully null
36、icronullial cnullltnullres and solid nullaterial nully settlenullentnullThey enconullrage nullacterial actinullity nully nullnullnullnullling onullygen thronullgh the collected greynullaternullBS 8525-1:20102 null null BSI 2010BRITISH STANDARDnullnull Hynullrid systenullsThese systenulls nullse a nu
37、llinull onull the systenull types detailed in anull to enullnullnullnullTnull 3 Greywater systenulls nullan alsnull be integrated with rainwater harnullesting systenullsnull nullee nullnnenull nullnull1 ScopeThis part onull BS 8525 ginulles reconullnullendations on the designnull installationnullalt
38、erationnull testing and nullaintenance onull greynullater systenulls nulltilinulling nullathroonull greynullater to snullpply non-potanullle nullater in the nullnullnullIt conullers: anull systenulls snullpplying nullater nullor donullestic nullater nullses nullin residentialnullconullnullercialnull
39、 indnullstrial or pnullnulllic prenullisesnull that do not renullnullire potanullle nullater nullnullality snullch as lanullndrynull nullnull and nullrinal nullnullshing and garden nullateringnullnullnull indinullidnullal and conullnullnullnal systenullsnullIt applies to retronulltting and nenull nu
40、llnullildnullIt does not conuller: 1null systenulls snullpplying nullater nullor drinnullingnull nullood preparation and coonullingnull dishnullashing and personal hygienenull2null direct renullse systenulls nullor enullternal nullsenullnullnull prodnullct design nullor specinullc systenull conullpo
41、nentsnullnullnull the renullse onull trade enullnullnullentnullnullnullTnull nulllthnullugh this nullritish nulltandard dnulles nnullt ginulle spenullinullnullrenullnullnullnullendatinullns relating tnull the use nullf treated greywater fnullr nullre suppressinulln nullr nullnullnullnullernullial ir
42、rigatinullnnull these applinullatinullns are nnullt enullnullludednull2 nullormatinulle renullerencesThe nullollonulling renullerenced docnullnullents are indispensanullle nullor the application onull this docnullnullentnull nullor dated renullerencesnull only the edition cited appliesnull nullor nu
43、llndated renullerencesnull the latest edition onull the renullerenced docnullnullent nullinclnullding any anullendnullentsnull appliesnullStandards publicationsBS 1null2nullnull Guide tnull nullnnullsite test nullethnullds fnullr the analysis nullf watersBS null800:1null8nullnull nullnullhedule null
44、f paint nullnulllnullurs fnullr building purpnullsesBS null0null8-nullnull12null BS ISnull 11nullnull1null Water nulluality null nullart 4null nullinullrnullbinulllnullginullal nullethnullds null nullenulltinulln 4null12null nulletenulltinulln and enunulleratinulln nullf nulleginullnellaBS nullnull0
45、0:200nullnullA1:200nullnull nullesignnull installatinullnnull testing and nullaintenannulle nullf sernullinulles supplying water fnullr dnullnullestinull use within buildings and their nullurtilages null nullpenullinullnullatinullnBS nullnullnull1null nullenulluirenullents fnullr elenulltrinullal in
46、stallatinullns null nullnullnull Wiring nullegulatinullns null nullenullenteenth editinullnBS 8515:200nullnull nullainwater harnullesting systenulls null nullnullde nullf pranulltinullenull BSI 2010 null nullBS 8525-1:2010BRITISH STANDARDBS nullN 12050-2null Wastewater lifting plants fnullr building
47、s and sites nullnullrinnulliples nullf nullnullnstrunulltinulln and testing null nullart 2null nullifting plants fnullr faenullalnullfree wastewaterBS nullN 1205null-2null Granullity drainage systenulls inside buildings null nullart 2nullnullanitary pipewnullrknull laynullut and nullalnullulatinulln
48、BS nullN 1205null-nullnull Granullity drainage systenulls inside buildings null nullart 4nullWastewater lifting plants null nullaynullut and nullalnullulatinullnBS nullN 1null5nullnull nullall partsnullnull nullntinullnullnullnullding denullinulles fnullr buildingsBS nullN null0nullnull5-2-null1null
49、 nullnullusehnullld and sinullilar elenulltrinullal appliannulles null nullafety nullnullart 2null41null nullartinullular renulluirenullents fnullr punullpsBS nullN ISnull nullnullnullnull-2null BS null0null8-2null2nullnull Water nulluality null nulleternullinatinulln nullf free nullhlnullrine and tnulltal nullhlnullrine null nullart 2null nullnulllnullrinulletrinull nullethnulld using nullnullnullnulldiethylnull1null4nullphenylenedianullinenull fnullr rnullutine nullnullntrnulll purpnullsesBS nullN ISnull null8nullnull-1null BS null0null8-nullnullnullnull Water nulluality null nulletenullti
