direct ec european parliament council june amend council direct eec relat tyre motor vehicl trailer fit european parliament council european union regard treati establish european commun articl thereof regard propos commiss regard opinion econom social committe act accord procedur refer articl treati light joint text approv concili committe march measur adopt purpos ensur smooth function intern market council direct eec march relat tyre motor vehicl trailer fit separ direct commun approv procedur introduc council direct eec februari approxim law member state relat type approv motor vehicl trailer provis direct eec system compon separ technic unit motor vehicl appli direct purpos implement articl articl direct eec separ direct annex thereto inform document approv document drawn accord annex vi direct eec purpos computeris approv approv document set direct eec amend articl council direct eec novemb amend direct eec relat permiss nois level exhaust system motor vehicl state subsequ action intend reconcil safeti requir limit nois aris contact tyre road surfac adopt basi propos commiss account studi research conduct connect sourc nois realist reproduc method enabl nois aris contact tyre road surfac measur develop basi method measur studi carri order produc numer sound level repres tyre road nois gener type tyre fit type motor vehicl acknowledg set tyre roll nois requir tyre design take account paramet relat safeti environ constraint paramet affect paramet acknowledg set tyre roll nois requir ongo develop intern standard relat road surfac undertaken intern organis standardis iso endur safeti requir relat tyre undertaken unit nation econom commiss europ direct eec amend measur implement direct adopt accord council decis ec june lai procedur exercis implement power confer commiss adopt direct articl direct eec amend quot eec compon type approv quot quot eec type approv quot quot eec approv quot replac instanc term quot ec type approv quot articl indent read quot tyre mean pneumat tyre includ winter tyre hole stud form origin equip replac intend fit vehicl direct eec appli definit cover winter tyre stud quot articl insert quot articl requir set annex appli tyre intend fit vehicl octob requir set annex appli tyre speed rate km tyre nomin rim diamet exce mm code mm code type temporari spare tyre defin annex ii tyre design fit vehicl regist time octob quot articl replac quot articl member state grant ec type approv condit laid annex type tyre meet requir annex ii alloc approv number annex member state grant ec type approv condit laid annex type tyre meet requir annex alloc approv number annex member state grant ec type approv vehicl respect tyre condit laid annex iii tyre includ spare tyre meet requir annex ii requir vehicl laid annex iv alloc vehicl approv number annex iii quot list annex annex amend accord annex direct articl insert quot articl februari member state refus grant ec type approv nation approv type vehicl type tyre prohibit registr sale entri servic vehicl sale entri servic tyre reason relat tyre fit vehicl vehicl tyre compli requir laid direct amend direct ec august member state longer grant ec type approv refus grant nation type approv type tyre fall scope direct meet requir direct amend direct ec februari member state longer grant ec type approv nation approv type vehicl reason relat tyre fit requir direct amend direct ec met februari member state certif conform accompani vehicl accord provis direct eec longer valid purpos articl direct requir direct amend direct ec met refus registr prohibit sale entri servic vehicl meet requir direct amend direct ec octob provis direct amend direct ec appli purpos articl direct ec tyre fall scope direct except tyre class appli octob octob quot articl member state bring forc law regul administr provis order compli direct august forthwith inform commiss thereof appli provis februari latest member state adopt measur refer paragraph refer direct accompani refer occas offici public method make refer laid member state member state commun commiss text main provis nation law adopt field cover direct articl august latest amend direct eec adopt accord procedur refer articl order introduc grip test tyre light experi gain introduct limit valu tyre nois commiss month entri forc direct submit european parliament council report extent technic progress compromis safeti introduct limit valu annex section column direct eec amend direct basi report commiss month propos amend direct eec view introduc provis relat safeti environment roll resist aspect articl commiss assist committe adapt technic progress set articl direct eec hereinaft refer quot committe quot refer made paragraph articl decis ec appli regard provis articl thereof period laid articl decis ec set month committe adopt rule procedur articl direct enter forc dai public offici journal european commun articl direct address member state luxembourg june european parliament presid fontain council presid rosengren oj oj opinion european parliament februari oj council common posit april oj decis european parliament septemb oj decis european parliament decis council june oj direct amend act access oj direct amend direct ec european parliament council oj oj oj direct ec european parliament council june amend council direct eec relat tyre motor vehicl trailer fit oj annex list annex read quot gt tabl gt quot annex replac quot annex administr provis ec type approv tyre applic ec type approv type tyre applic ec type approv type tyre pursuant articl direct eec submit tyre manufactur applic ec type approv pursuant annex ii accompani triplic descript tyre type inform document appendix applic accompani triplic sketch repres photograph identifi tyre tread pattern sketch envelop inflat tyre mount measur rim show relev dimens section annex ii type submit approv accompani test report issu appoint technic servic number sampl determin approv author applic ec type approv pursuant annex accompani triplic descript tyre type inform document appendix applic accompani triplic sketch draw photograph tread pattern repres type tyre accompani test report issu appoint technic servic number sampl determin approv author manufactur appli ec type approv extend includ modifi tyre type ec type approv pursuant annex ii includ addit tyre size design amend brand name manufactur trade descript tread pattern ec type approv pursuant annex decemb approv author accept labortatori tyre manufactur approv test laboratori pursuant articl direct eec inscript sampl type tyre submit ec type approv bear applic visibl indel trade mark suffici space inscript ec type approv mark requir section annex ec type approv ec type approv pursuant articl direct eec grant ec type approv number issu respect tyre type submit accord satisfi requir annex ii notic approv extens refus withdraw approv product definit discontinu relat tyre type pursuant annex ii commun member state accord articl direct eec ec type approv pursuant articl direct eec grant ec type approv number issu respect tyre type submit accord satisfi requir annex notic approv extens refus withdraw approv product discontinu relat tyre type pursuant annex commun member state accord articl direct eec ec type approv number assign tyre type approv member state assign number tyre type approv number assign pursuant annex ii ec type approv number assign pursuant annex ec type approv mark tyre conform type respect ec type approv grant pursuant direct bear relev ec type approv mark ec type approv mark consist rectangl surround lower case letter quot quot distinguish number member state grant type approv annex vii direct eec ec type approv number consist ec type approv number shown certif complet type preced figur quot quot commerci vehicl tyre quot quot passeng car tyre rectangl form ec type approv mark minimum length mm minimum height mm letter number mm height ec type approv mark number addit mark requir annex ii section type approv pursuant requir annex ii affix prescrib section approv number assign pursuant annex suffix quot quot quot quot abbrevi sound ec type approv mark gt pic file quot en tif quot gt tyre bear ec type approv mark shown commerci vehicl tyre satisfi ec requir ec type approv mark grant ireland number pursuant annex ii itali number pursuant annex note number quot quot quot quot ec mark type approv number number quot quot digit quot quot letter number member state grant ec approv guidanc approv number close rectangl left charact approv number side quot quot face direct modif tyre type tyre type approv pursuant annex ii pursuant annex modifi provis articl direct eec appli tread pattern tyre modifi case type approv pursuant annex ii repetit test prescrib annex ii consid case tyre size design trade mark ad rang tyre type approv pursuant annex requir retest determin type approv author case modif tyre tread pattern rang tyre approv pursuant annex repres set sampl retest type approv author satisfi modif affect tyre road nois emiss conform product gener rule ensur conform product adopt accord provis laid articl direct eec check carri accord appendix annex order check conform product nois level tyre test exce limit valu set section annex db product deem conform requir section abovement annex quot titl appendix annex read quot appendix inform document relat ec type approv type tyre annex ii direct eec quot titl appendix annex read quot appendix ec type approv certif tyre model maximum format mm mm quot appendix annex point quot commun quot indent ad quot withdraw type approv discontinu product quot appendic ad annex quot appendix gt pic file quot en tif quot gt appendix gt pic file quot en tif quot gt quot annex iv section read quot subject provis section tyre fit vehicl includ applic spare bear ec type approv mark section annex type approv mark indic complianc ec regul no ec type approv mark consid equival ec type approv mark grant pursuant annex ii quot annex appendic insert quot annex tyre road nois emiss scope annex appli ec type approv tyre compon respect tyre road nois emiss definit purpos annex definit annex ii appli definit section read quot type tyre quot mean relat type approv pursuant annex tyre road nois emiss rang tyre consist list tyre size design section annex ii brand name trade mark trade descript differ essenti characterist manufactur tyre classif section annex tyre structur section annex ii categori section annex ii class tyre reinforc extra load tread pattern inform document annex appendix note effect minor detail tyre tread construct tyre road nois emiss determin check conform product addit definit appli quot brand trade descript quot mean identif tyre provid tyre manufactur brand manufactur trade descript coincid trade mark quot tyre road nois emiss quot mean nois aris contact tyre motion road surfac purpos annex classif appli gt tabl gt mark requir addit mark requir section annex section annex ii tyre bear mark manufactur trade mark brand trade descript trade mark tyre road nois emiss requir gener requir set tyre bear tyre size design tread pattern repres rang tyre submit tyre road nois emiss level test carri appendix nois level determin accord section appendix exce limit class tyre refer nomin section width annex ii section tyre test gt tabl gt reinforc extra load tyre annex ii section limit valu section increas db tyre classifi categori quot special quot annex ii section limit valu section increas db class tyre refer categori annex ii section rang tyre gt tabl gt class tyre refer categori annex ii section rang tyre gt tabl gt appendix test method tyre road sound level coast method introduct present method specif measur instrument measur condit measur method order obtain nois level set tyre mount test vehicl roll high speed road surfac maximum sound pressur level record test vehicl coast remot field microphon final result refer speed obtain linear regress analysi test result relat tyre nois measur acceler power deceler brake measur instrument acoust measur sound level meter equival measur system includ windscreen recommend manufactur meet requir type instrument accord iec edit measur made frequenc weight time weight system includ period monitor weight sound level read made time interv greater ms calibr begin end measur session entir measur system check mean sound calibr fulfil requir sound calibr precis class iec adjust differ read consecut check equal iec adjust differ read consecut check equal db exceed result measur obtain previou satisfactori check discard complianc requir complianc sound calibr devic requir iec verifi year complianc instrument system requir iec edit verifi year laboratori authoris perform calibr traceabl standard posit microphon microphon microphon locat distanc track refer line cc figur ground axi maximum sensit horizont perpendicular path vehicl line cc speed measur vehicl speed measur instrument accuraci km front end vehicl reach line pp figur temperatur measur measur air test surfac temperatur mandatori temperatur measur devic accur air temperatur temperatur sensor posit unobstruct locat close microphon expos airflow protect direct solar radiat achiev shade screen similar devic sensor posit height test surfac level order minimis influenc test surfac thermal radiat low airflow test surfac temperatur temperatur sensor posit locat temperatur measur repres temperatur wheel track interf sound measur instrument contact temperatur sensor heat conduct past appli surfac sensor ensur adequ thermal contact radiat thermomet pyromet height chosen ensur measur spot diamet amp gt cover wind measur devic capabl measur wind speed toler wind measur microphon height wind direct refer drive direct record condit measur test site test site consist central section surround substanti flat test area measur section level test surfac dry clean measur test surfac artifici cool prior test test track condit free sound field sound sourc microphon attain db condit deem met larg sound reflect object fenc rock bridg build centr measur section surfac test track dimens test site accord appendix annex central part radiu free powderi snow tall grass loos soil cinder obstacl affect sound field vicin microphon person stand microphon sound sourc oper carri measur observ attend measur posit affect read measur instrument meteorolog condit measur made poor atmospher condit ensur result affect gust wind test perform wind speed microphon height exce measur made air temperatur test surfac temperatur ambient nois background sound level includ wind nois db measur tyre road sound emiss suitabl windscreen fit microphon provid account effect sensit direct characterist microphon measur affect sound peak appear unrel characterist gener sound level tyre test vehicl requir gener test vehicl motor vehicl fit singl tyre axl vehicl load vehicl load compli test tyre load section wheelbas wheelbas axl fit test tyre class class class tyre measur minimis vehicl influenc sound level measur ensur tyre nois significantli affect test vehicl design requir recommend requir sprai suppress flap extra devic suppress sprai fit addit retent element vicin rim tyre screen emit sound permit wheel align toe camber castor full accord vehicl manufactur recommend addit sound absorb materi mount wheel hous underbodi suspens condit result abnorm reduct ground clearanc vehicl load accord test requir bodi level regul system adjust give ground clearanc test normal unladen condit recommend avoid parasit sound remov modif compon vehicl contribut background sound vehicl recommend remov modif record test report test ascertain brake poorli releas caus brake nois ascertain electr cool fan oper window slide roof vehicl close test tyre gener ident tyre type rang fit test vehicl case tyre load capac index excess dual fit indic tyre type rang fit rear axl test vehicl front axl fit tyre size suitabl axl load plane minimum depth order minimis influenc tyre road contact nois maintain suffici level safeti winter tyre member state equip stud intend enhanc friction test equip tyre special fit requir test accord requir rotat direct tyre full tread depth run tyre test rim permit tyre manufactur tyre load test load qt tyre test vehicl refer load qr averag test load qt avr tyre refer load qr tyre refer load qr correspond maximum mass load capac index tyre case load capac index constitut number divid slash refer made number tyre inflat pressur tyre fit test vehicl test pressur pt higher refer pressur pr interv gt pic file quot en tif quot gt pr pressur pressur index mark sidewal class refer pressur pr kpa quot standard quot tyre kpa quot reinforc quot tyre minimum test pressur pt kpa prepar prior test tyre quot run quot prior test remov compound nodul tyre pattern characterist result mould process requir equival km normal road tyre fit test vehicl rotat direct run prior test tyre warm run test condit method test gener condit measur vehicl driven straight line measur section aa bb median longitudin plane vehicl close line cc front end test vehicl reach line aa vehicl driver put gear selector neutral posit switch engin abnorm nois ventil ignit emit test vehicl measur test repeat natur number measur maximum sound level express weight decibel db measur decim place vehicl coast line aa bb figur front end vehicl line aa rear end vehicl line bb constitut result measur measur made side test vehicl test speed lower refer speed paragraph measur test speed higher refer speed speed approxim equal space speed rang paragraph test speed test vehicl speed rang km km class class tyre ii km km class tyre interpret result measur invalid abnorm discrep maximum valu record determin test result refer speed vref determin final result km class class tyre ii km class tyre regress analysi nois measur temperatur correct tyre road nois level lr db determin regress analysi gt pic file quot en tif quot gt gt refer graphic gt nois level li measur db gt pic file quot en tif quot gt measur number amp gt gt refer graphic gt logarithm speed vi gt pic file quot en tif quot gt gt pic file quot en tif quot gt slope regress line db gt pic file quot en tif quot gt temperatur correct class tyre final result normalis test surfac refer temperatur href appli temperatur correct gt pic file quot en tif quot gt measur test surfac temperatur gt refer graphic gt class tyre coeffici db amp gt θref db amp lt θref class tyre coeffici db measur test surfac temperatur chang measur determin sound level set tyre temperatur correct made final report tyre road sound level util arithmet measur temperatur measur sound level li correct util temperatur time sound record temperatur correct class tyre order account measur instrument inaccuraci result section reduc db final result temperatur correct tyre road nois level lr θref db round nearest lower figur microphon posit measur amp gt pic file quot en tif quot amp gt appendix test report test report includ inform meteorolog condit inclus air test surfac temperatur test run date method check complianc test surfac iso test rim width tyre data manufactur brand trade size load index refer pressur test vehicl descript wheelbas type test load qt cent refer load qr test tyre averag test load qt avr cent refer load qr cold inflat pressur kpa test tyre test speed vehicl pass line pp maximum weight sound level test run microphon test result lr weight sound level decibel refer speed correct temperatur applic round nearest lower regress line slope quot annex ad quot annex vi specif test site introduct annex describ specif relat physic characterist lai test track specif base special standard describ requir physic characterist test method characterist requir characterist surfac surfac consid conform standard provid textur void content sound absorpt coeffici measur found fulfil requir section provid design requir section met residu void content residu void content vc test track pave mixtur exce measur procedur section sound absorpt coeffici surfac fail compli residu void content requir surfac accept sound absorpt coeffici amp lt measur procedur section requir section met sound absorpt measur found amp lt note relev characterist sound absorpt residu void content familiar road constructor sound absorpt measur surfac fail compli void requir justifi residu void content larg uncertainti term measur relev surfac erron reject base void measur textur depth textur depth td measur volumetr method section amp gt refer graphic amp gt homogen surfac practic effort ensur surfac made homogen test area includ textur void content observ roll process result effect roll place textur uneven caus bump occur period test order check surfac continu conform textur void content sound absorpt requir stipul annex period test surfac carri interv residu void content vc sound absorpt surfac surfac meet requir period test requir meet requir surfac tend clog compact time textur depth td surfac nois test start nb week lai twelv month test surfac design area design test track layout import ensur minimum requir area travers vehicl run test strip cover test materi suitabl margin safe practic drive requir width track length track extend line aa bb end figur show plan suitabl test site minimum area machin laid machin compact test surfac materi annex appendix section measur made side vehicl made measur microphon locat side track drive direct measur microphon side track drive vehicl direct method surfac requir side track microphon figur minimum requir test surfac area shade part call quot test area quot gt pic file quot en tif quot gt design prepar surfac basic design requir test surfac meet design requir dens asphalt concret maximum chip size mm toler mm mm thick wear amp gt mm binder straight penetr grade bitumen modif design guidelin guid surfac constructor aggreg grade curv give desir characterist shown figur addit tabl guidelin order obtain desir textur durabl grade curv fit formula gt refer graphic gt squar mesh siev size mm dmax mm curv mm lower toler curv mm upper toler curv figur grade curv aggreg asphalt mix toler gt pic file quot en tif quot gt addit recommend made sand fraction mm amp lt squar mesh siev size amp lt mm includ natur sand crush sand base base ensur good stabil even road construct practic chip crush crush face materi high resist crush chip mix wash extra chip ad surfac binder hard express pen depend climat condit countri rule hard binder provid consist common practic temperatur mix roll chosen achiev subsequ roll requir void content order increas probabl satisfi specif section compact studi choic mix temperatur number pass choic compact vehicl tabl design guidelin gt tabl gt test method measur residu void content purpos measur core track posit equal distribut test area line aa bb figur order avoid homogen uneven wheel track core wheel track close core minimum close wheel track core minimum approxim midwai wheel track microphon locat suspicion condit homogen met section core locat test area residu void content determin core averag core calcul compar requir section addit singl core void higher test surfac constructor remind problem aris test area heat pipe electr wire core area instal carefulli plan respect futur core drill locat recommend leav locat size approxim mm mm wire pipe locat deep order damag core surfac layer sound absorpt coeffici sound absorpt coeffici normal incid measur imped tube method procedur iso quot acoust determin sound absorpt coeffici imped tube method quot test specimen requir residu void content section sound absorpt measur rang hz hz rang hz hz centr frequenc octav band maximum valu identifi frequenc rang valu test core averag constitut final result volumetr macrotextur measur purpos standard textur depth measur made posit evenli space wheel track test strip averag compar minimum textur depth standard iso descript procedur stabil time mainten ag influenc common surfac expect tyre road nois level measur test surfac increas slightli month construct surfac achiev requir characterist earlier week construct influenc ag nois truck gener car stabil time determin polish compact vehicl drive surfac period check state section mainten surfac loos debri dust significantli reduc effect textur depth remov surfac countri winter climat salt de ic salt alter surfac temporarili perman increas nois recommend repav test area repav test track unnecessari repav test strip width figur vehicl drive provid test area strip met requir residu void content sound absorpt measur document test surfac test perform document test surfac data document describ test surfac locat test track type binder binder hard type aggreg maximum theoret densiti concret dr thick wear grade curv determin core test track method compact type roller roller mass number pass temperatur mix temperatur ambient air wind speed lai surfac date surfac laid contractor latest test result includ residu void content core locat test area core void measur sound absorpt coeffici core measur result core frequenc rang averag locat test area core absorpt measur textur depth includ number test standard deviat institut respons test section type equip date test date core test track document vehicl nois test conduct surfac document describ vehicl nois test state requir standard fulfil refer made document section describ result verifi iso test surfac defin iso futur refer standard amend publish quot