资源描述：
《AWWA C900-1997 Polyvinyl Chloride (PVC) Pressure Pipe and Fabricated Fittings 4-Inch to 12-Inch (100 mm Through 300 mm) for Water Transmission and Distribution》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、免费标准下载网(www.freebz.net)AmericanWaterWorksAssociationANSI/AWWAC900-97(RevisionofANSI/AWWAC900-89)RAWWASTANDARDFORPOLYVINYLCHLORIDE(PVC)PRESSUREPIPEANDFABRICATEDFITTINGS,4IN.THROUGH12IN.(100mmTHROUGH300mm),FORWATERDISTRIBUTIONEffectivedate:Feb.1,1998.Firstedi
2、tionapprovedbyAWWABoardofDirectorsJune8,1975.ThiseditionapprovedJune15,1997.ApprovedbyAmericanNationalStandardsInstituteDec.1,1997.AMERICANWATERWORKSASSOCIATION6666WestQuincyAvenue,Denver,Colorado80235Copyright©1998AmericanWaterWorksAssociation,AllRightsRes
3、erved免费标准下载网(www.freebz.net)无需注册,即可下载免费标准下载网(www.freebz.net)AWWAStandardThisdocumentisanAmericanWaterWorksAssociation(AWWA)standard.Itisnotaspecification.AWWAstandardsdescribeminimumrequirementsanddonotcontainalloftheengineeringandadministrativeinformationn
4、ormallycontainedinspecifications.TheAWWAstandardsusuallycontainoptionsthatmustbeevaluatedbytheuserofthestandard.Untileachoptionalfeatureisspecifiedbytheuser,theproductorserviceisnotfullydefined.AWWApublicationofastandarddoesnotconstituteendorsementofanyprod
5、uctorproducttype,nordoesAWWAtest,certify,orapproveanyproduct.TheuseofAWWAstandardsisentirelyvoluntary.AWWAstandardsareintendedtorepresentaconsensusofthewatersupplyindustrythattheproductdescribedwillprovidesatisfactoryservice.WhenAWWArevisesorwithdrawsthisst
6、andard,anofficialnoticeofactionwillbeplacedonthefirstpageoftheclassifiedadvertisingsectionofJournalAWWA.TheactionbecomeseffectiveonthefirstdayofthemonthfollowingthemonthofJournalAWWApublicationoftheofficialnotice.AmericanNationalStandardAnAmericanNationalSt
7、andardimpliesaconsensusofthosesubstantiallyconcernedwithitsscopeandprovisions.AnAmericanNationalStandardisintendedasaguidetoaidthemanufacturer,theconsumer,andthegeneralpublic.TheexistenceofanAmericanNationalStandarddoesnotinanyrespectprecludeanyone,whethert
8、hatpersonhasapprovedthestandardornot,frommanufactur-ing,marketing,purchasing,orusingproducts,processes,orproceduresnotconformingtothestandard.AmericanNationalStandardsaresubjecttoperiodicreview,anduser
