1、BRITISH STANDARD BS EN 12232:2003 Surfaces for sports areas Determination of thatch depth of natural turf The European Standard EN 12232:2003 has the status of a British Standard ICS 97.220.10 BS EN 12232:2003 This British Standard, was published under the authority of the Standards Policy and Strat
2、egy Committee on 15 August 2003 BSI 15 August 2003 ISBN 0 580 42466 9 National foreword This British Standard is the official English language version of EN 12232:2003. EN 12232:2003 is one of a package of standards being produced by CEN/TC 217. On publication of the entire package, BS 7044 will be
3、withdrawn. The UK participation in its preparation was entrusted to Technical Committee PRI/57, Surfaces for sports areas, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which
4、implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publicatio
5、n does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/Eu
6、ropean committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page,
7、pages 2 to 5 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN12232 April2003 ICS97.220.10 Englishversion Surfacesforsportsarea
8、sDeterminationofthatchdepthof naturalturf SolssportifsDterminationdelpaisseurdelacouchede feutredugazonnaturel SportbdenBestimmungderFilzdickebeiNaturrasen ThisEuropeanStandardwasapprovedbyCENon12December2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditions
9、forgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversion
10、inanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Ital
11、y,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved
12、 worldwideforCENnationalMembers. Ref.No.EN12232:2003EEN12232:2003(E) 2 Contents page Foreword3 1 Scope 4 2 Termanddefinition. .4 3 Principle4 4 Apparatus .4 5 Procedure .5 6 Expressionofresults . .5 7 Testreport . .5EN12232:2003(E) 3 Foreword Thisdocument(EN12232:2003)hasbeenpreparedbyTechnicalCommi
13、tteeCEN/TC217“Surfacesforsports areas“,thesecretariatofwhichisheldbyBSI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyOctober2003,andconflictingnationalstandardsshallbewithdrawnatthelatest byOctober2003. Accordingtothe
14、CEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,Switz
15、erlandandtheUnitedKingdom.EN12232:2003(E) 4 1Scope ThisEuropeanStandardspecifiesamethodfordeterminationofthatchdepthofnaturalturfsportssurfaces. 2 Termanddefinition ForthepurposesofthisEuropeanStandardthefollowingtermanddefinitionapply. 2.1 thatchdepth thicknessoftheintermingledorganiclayerofdeadand
16、livingshoots,stemsandroots,developingbetweenthe zoneofgreenvegetationandthesoilsurface NOTE Theupperlimitofthethatchlayercanbeconsideredasacontinuous,horizontalsurfaceimmediatelybelowanydistinct andseparategreenleavesandthelowerlimitoccursattheinterfacewherefibrousorganicmaterialgiveswaytodistinct p
17、articlesofgrowingmedium. 3Principle Thethatchdepthisdeterminedbymeasuringthedepthofthethatchlayeroncoresofmaterialsextractedfromthe turfsurface. 4Apparatus 4.1 Hollowcorer, asshowninFigure1,withdiameter dof40mmto120mm. 4.2 Ruler, graduatedinmillimetres. Figure1HollowcorerEN12232:2003(E) 5 5Procedure
18、 Removeacoreapproximately50mmindepthfromtheground.Oneminuteafterremoval,toallowthecompressed thatchtoreturntoitsoriginalstate,measurethedepthofthethatchinmillimetresusingtheruler. Measurethedepthofthethatchlayeroneachcoreatfourpoints,approximatelyequidistantaroundits circumferenceandcalculatethemean
19、. Wheredifficultyisencounteredinestablishingthelowerlimitofthethatchlayer,useapinorknifetoprobethe resistanceinthecoreandthenuseitasamarkertoaidmeasurement. Unlessotherwisespecified,takeatleastfivecoresatrandomfromsportssurfacesoflessthan100m 2 ,takefiveto tencores,asappropriate,fromsportssurfacesof
20、100m 2 to1000m 2 ,andtake10to15coresfromsportssurfaces of1000m 2 to5000m 2 .Subdividelargersportssurfacesintotwoormoresectionsandtesteachsectionasabove. 6 Expressionofresults Expressthethatchdepthasthemeanofallthemeasurementsfromalltheextractedcores,inmillimetres. 7 Testreport Thetestreportshallincl
21、udethefollowinginformation: a) referencetothisEuropeanStandard,i.e.EN12232:2003; b) completeidentificationofthesurfacetested,includingitslocation,areaandprevioushistory; c) themeanthatchdepth; d) theindividualtestresults,ifrequired.BS EN 12232:2003 BSI 389 Chiswick High Road London W4 4AL BSI Britis
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