BS DD ENV 1401-3-2001 Plastics piping systems for non-pressure underground drainage and sewerage - Unplasticized poly(vinylchloride) (PVC-U) - Guidance for installation《非承压地下排放和污水用.pdf

1、DRAFT FOR DEVELOPMENT DD ENV 1401-3:2001 Plastic piping systems for non pressure underground drainage and sewerage Unplasticized poly (vinyl chloride) (PVC-U) Part 3: Guidance for installation ICS 23.040.20; 83.140.30; 91.140.80; 93.030 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRI

2、GHT LAWDD ENV 1401-3:2001 This Draft for Development, having been prepared under the direction of the Sector Committee for Materials and Chemicals, was published under the authority of the Standards Committee and comes into effect on 15 August 2001 BSI 07-2001 ISBN 0 580 38151 x National foreword Th

3、is Draft for Development is the English language version of ENV 1401-3:2000. This publication is not to be regarded as a British Standard. It is being issued in the Draft for Development series of publications and is of a provisional nature because it is specifically intended to give guidance for th

4、e installation of piping systems made from components conforming to BS EN 1401-1, hence for the purpose of installing such PVC-U piping systems for gravity drains and sewers this document provides for consideration an alternative document to BS 5955-6:1980, which remains a prime national standards f

5、or this purpose. It should be applied on this provisional basis, so that information and experience of its practical application may be obtained. Please note BS EN 1401-1:1998 superseded BS 5481:1977 and partially superseded BS 4660:1989. Products conforming to BS 4660:2000 and BS 7158:2001 have bee

6、n designed to provide access to drainage systems constructed from components conforming to EN 1401-1. Comments arising from the use if this Draft for Development are requested so that UK experience can be reported to the European organization responsible for its conversion into a European Standard.

7、A review of this publication will be initiated 2 years after its publication by the European organization so that a decision can be taken on its status at the end of its three-year life. The commencement of the review period will be notified by an announcement in Update Standards. According to the r

8、eplies received by the end of the review period, the responsible BSI Committee will decide whether to support the conversion into a European Standard, to extend the life of the prestandard or to withdraw it. Comments should be sent in writing to the Secretary of BSI SubCommittee PRI/88/1, Plastic Pi

9、ping for Non Pressure, at 389 Chiswick High Road, London W4 4AL, giving the document reference and clause number and proposing, where possible, an appropriate revision of the text. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The

10、 British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. Sum

11、mary of pages This document comprises a front cover, an inside front cover, the ENV title page, pages 2 to 8, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Commen

12、tsEUROPEANPRESTANDARD PRNORMEEUROPENNE EUROPISCHEVORNORM ENV14013 May2001 ICS23.040.01 Englishversion Plasticspipingsystemsfornonpressureundergrounddrainage andsewerageUnplasticizedpoly(vinylchloride)(PVCU)Part 3:Guidanceforinstallation Systmesdecanalisationsenplastiquepourles branchementsetlescolle

13、cteursdassainissemententerrs sanspressionPoly(chloruredevinyle)nonplastifi(PVC U)Partie3:Guidepourlapose KunststoffRohrleitungssystemefrerdverlegtedrucklose AbwasserkanleundleitungenWeichmacherfreies Polyvinylchlorid(PVCU)Teil3:Empfehlungenfrdie Verlegung ThisEuropeanPrestandard(ENV)wasapprovedbyCEN

14、on23March2001asaprospectivestandardforprovisionalapplication. TheperiodofvalidityofthisENVislimitedinitiallytothreeyears.AftertwoyearsthemembersofCENwillberequestedto submittheir comments,particularlyonthequestionwhethertheENVcanbeconvertedintoaEuropeanStandard. CENmembersarerequiredtoannouncetheexi

15、stenceofthisENVinthesamewayasforanENandtomaketheENVavailablepromp tly atnationallevelinanappropriateform.Itispermissibletokeepconflictingnationalstandardsinforce(inparalleltothe ENV)untilthefinal decisionaboutthepossibleconversionoftheENVintoanENisreached. CENmembersarethenationalstandardsbodiesofAu

16、stria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050

17、Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENV14013:2001EPage2 ENV14013:2001 Contents Page Foreword 3 1 Scope4 2 Normativereferences4 3 Choiceofstiffness(SN)series4 3.1 General4 3.2 Pipes4 3.3 Fittings .5 3.4 ApplicationareacodeD. 5

18、4 Storageinsunlight 5 5 Handlingandinstallationatlowtemperature.6 6 Pushfitjoints(elastomericsealings)6 7 Solventcementjoints .6 8 Maximumdeviationfromstraightness6 9 Connectiontorigidstructures.7 10 Repairs7 11 Connectiontoexistingpipes .8 12 Testingonsite .8Page3 ENV14013:2001 Foreword ThisEuropea

19、nPrestandardhasbeenpreparedbyTechnicalCommitteeCEN/TC155“Plasticspiping systemsandductingsystems“,thesecretariatofwhichisheldbyNEN. ThisPrestandardisaPartofaSystemStandardforplasticspipingsystemsofaparticularmaterialfor aspecifiedapplication.ThereisanumberofsuchSystemStandards. SystemStandardsarebas

20、edontheresultsoftheworkundertakeninISO/TC138“Plasticspipes, fittingsandvalvesforthetransportoffluids“,whichisaTechnicalCommitteeoftheInternational OrganizationforStandardization(ISO). Theyaresupportedbyseparatestandardsontestmethodstowhichreferencesaremadethroughout theSystemStandard. TheSystemStand

21、ardsareconsistentwithgeneralstandardsonfunctionalrequirementsandon recommendedpracticeforinstallation. EN1401consistsofthefollowingParts,underthegeneraltitle Plasticspipingsystemsfor nonpressureundergrounddrainageandsewerageUnplasticizedpoly(vinylchloride)(PVCU) Part1: Specificationsforpipes,fitting

22、sandthesystem Part2: Guidanceforassessmentofconformity(ENV) Part3: Guidanceforinstallation(thisprestandard) AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthe followingcountriesareboundtoannouncethisEuropeanPrestandard:Austria,Belgium,Czech Republic,Denmark,Finland,F

23、rance,Germany,Greece,Iceland,Ireland,Italy,Luxembourg, Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.Page4 ENV14013:2001 1 Scope ThisPrestandard,togetherwithprENV1046:2000andEN1610:1997,providesamaterialspecificset ofguidelinesfortheinstallationofpipingsystemsmadeofunplasti

24、cizedpoly(vinylchloride)(PVCU)in thefieldofnonpressureundergrounddrainageandsewerage. outsidethebuildingstructure(applicationareacode“U“); bothburiedingroundwithinthebuildingstructure(applicationareacode“D“)andoutsidethe building. Thisisreflectedinthemarkingofproductsby“U“and“UD“. 2 Normativereferen

25、ces ThisEuropeanPrestandardincorporatesbydatedorundatedreference,provisionsfromother publications.Thesenormativereferencesarecitedattheappropriateplacesinthetextandthe publicationsarelistedhereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofany ofthesepublicationsapplytothisEuropeanPrest

26、andardonlywhenincorporatedinitbyamendment orrevision.Forundatedreferencesthelatesteditionofthepublicationreferredtoapplies(including amendments). prENV1046:2000, PlasticspipingandductingsystemsSystemsoutsidebuildingstructuresforthe conveyanceofwaterorsewagePracticesforinstallationaboveandbelowground

27、 EN12951, StructuraldesignofburiedpipelinesundervariousconditionsofloadingPart1: Generalrequirements EN14011:1998, Plasticspipingsystemsfornonpressureundergrounddrainageandsewerage Unplasticizedpoly(vinylchloride)(PVCU)Part1:Specificationsforpipes,fittingsandthe system EN1610:1997, Constructionandte

28、stingofdrainsandsewers ENISO178:1996, PlasticsDeterminationofflexuralproperties(ISO178:1993) ENISO9967:1995, PlasticspipesDeterminationofcreepratio(ISO9967:1994) ISO/TR7073, Recommendedtechniquesfortheinstallationofunplasticizedpoly(vinylchloride) (PVCU)burieddrainsandsewers 3 Choiceofstiffness(SN)s

29、eries 3.1 General PVCUpipeisaflexiblepipe. Whenloadedaflexiblepipedeflectsandpressesintothesurroundingmaterial.Thisgeneratesa reactioninthesurroundingmaterialswhichcontrolsdeflectionofthepipe.Theamountofdeflection whichoccursislimitedbythecareexercisedintheselectionandlayingofthebeddingandsidefill m

30、aterials. 3.2 Pipes 3.2.1 Standardprocedure Thechoiceofthestiffness(SN)seriesmaybemade: whenthesameclassofpipehaspreviouslyprovedtobesatisfactoryinthesamecondition; orbasedonlocalpractice(placeofinstallation,usualinstallationprocedureandexperience); orbasedonlocalregulation; orbasedonTables1and2ofpr

31、ENV1046:2000;Page5 ENV14013:2001 orbasedonstructuraldesign. 3.2.2 Structuraldesign Ifastaticcalculationisrequired,informationonmethodsisgiveninEN12951andthefollowing parametersapply: Flexuralmodulus: E (1min) 3000MPadeterminedinaccordancewithENISO178:1996; Creepratio: 2determinedinaccordancewithENIS

32、O9967:1995; Deflectionlimitsforcalculation(accordingtoISO/TR7073)giveninTable1. Table1Deflectionlimits Pipeseries 1) Initialdeflection Longtermdeflection SDR51 0,05 d n 0,08 d n SDR41andSDR34 0,08 d n 0,10 d n 1)SeeEN14011:1998. NOTE Deflectionupto15%e.g.causedbysoilmovement,willnotaffecttheproperfu

33、nctioningof thepipingsystem. 3.3 Fittings FittingsaccordingtoEN14011:1998,becauseoftheirgeometry,haveastiffnessgreaterthanthe stiffnessofthecorrespondingpipe.Thereforethefollowingapplies: fittingsmarkedwithSDR41maybeusedwithpipesuptoSN8(SDR34); fittingsofDN 400markedwithSDR51maybeusedwithpipesuptoSN

34、4(SDR41). NOTE WhenfittingsconformingtooneoftheproductstandardslistedinAnnexCofEN14011:1998 areusedincombinationwithpipesandfittingsconformingtoEN 14011:1998,theappropriate recommendedpracticeforinstallationapplies. 3.4 ApplicationareacodeD Onlypipesandfittingsmarked“UD”shouldbeinstalledinsituations

35、coveredbyapplicationareaD: buriedingroundeitherwithinthebuildingstructureornotmorethan1mfromthebuildingstructure. 4 Storageinsunlight Storageindirectsunlightforlongperiodsand/orhightemperaturescouldcausedeformations affectingthejointing. Toavoidthisriskthefollowingprecautionsarerecommended: a) tolim

36、ittheheightofthestacksofpipes; b) toshieldthestacksofpipesfromcontinuousanddirectsunlightandarrangetoallowthefree passageofairaroundthepipes; c) tostorethefittingsinboxesorsacksmanufacturedsoastopermitthefreepassageofair. Thefadingofthecolourcausedbyoutsidestoragedoesnotaffectthemechanicalproperties

37、ofpipes andfittingsmadeofPVCU.Page6 ENV14013:2001 5 Handlingandinstallationatlowtemperature AlthoughtheimpactstrengthofPVCUpipesisreducedatlowtemperatures,experiencehasshown thatevenatsubstantiallysubzerotemperatures,theseproductscanbesatisfactorilyhandledandlaid, whenadequatecareistaken. Aspecialma

38、rkingonPVCUpipes“ “(icecrystal)showsthatthepipeconformstoanadditional impacttestrequirementforpipesintendedtobeinstalledattemperaturesbelow10C. 6 Pushfitjoints(elastomericsealings) Jointingshouldbecarriedoutaccordingtothemanufacturersinstructions.However,intheabsenceof suchinstructions,itisrecommend

39、edthatthefollowinginstructionsareused: a) spigotendshallbechamfered; b) onlysealingringsandlubricantssuppliedbythemanufacturerofthepipeand/orfittingshallbe used; c) forpipescutonsite,theendtobejointedshallbecutsquareandchamferedtoproducea finishequivalenttothatofthepipesandfittingssuppliedbythemanuf

40、acturer; d) thepipeend,thesocketandtheringgrooveshallbecleanandthesealingringshallbeseated correctlyintoitslocation; e) thelubricantshallbeappliedoverthewholechamferedend.Itshallnotbeaggressivetothe PVCUortotheelastomericseal; f) thepipeshallbecarefullyalignedwiththeadjoiningpipesocketandpushedtothe

41、required insertiondepth; g) whenaleverisusedonthepipetopushthejoint,ablockofwoodshouldbeinsertedbetween theleverandtheendofthepipetopreventdamagetothepipe. 7 Solventcementjoints Jointingshouldbecarriedoutusingthesolventcementrecommendedbythepipeand/orfitting manufacturerandfollowinghisinstructions.

42、NOTE JointingusingadhesivesisdescribedinAnnexDofprENV1046:2000. 8 Maximumdeviationfromstraightness Pipesshouldnormallybeinstalledstraight. However,asPVCpipesareflexible,thefollowingdeviationfromstraightness(seeFigure1)willnot causeproblems: d n 200mm: R 300 d n ; d n 200mm: R 500 d n . Caremaybenece

43、ssarytoavoidanyextrastressonthesocketjointitself. Thegreatestpermittedangulardeflectioninthesocketshouldbeasfollows: 2 for d n 315mm; 1,5 for315mm630mm . Largerangulardeflectionsarepermittedincaseofjointsspecificallydesignedforlargeangular deflections.Inthesecasesthemanufacturershalldeclarethedesign

44、edangulardeflection.Page7 ENV14013:2001 NOTE Approximately h L 2 /2R and L/R. Figure1Parametersofdeviationfromstraightness 9 Connectiontorigidstructures Specialfittingsforthispurposeareavailable.Insuchcasesthemanufacturersinstructionsshouldbe followed. 10 Repairs Slipcouplersorpurposedesignedspecialfittingsar