PCI MNL-130-09 GFRC QC Manual

ManualforQUALITYCONTROLforPlantsandProductionofGLASSFIBERREINFORCEDCONCRETEPRODUCTSSECONDEDITIONMNL-130-09200W.AdamsStreet•Suite2100•Chicago,IL60606Phone:[phone]•Fax:[phone]•©2009byPRECAST/PRESTRESSEDCONCRETEINSTITUTEAllrightsreserved.Nopartofthisbookmaybereproducedinanyformwithoutpermissioninwritingfromthepublisher.FirstEdition,1991SecondEdition,2009ISBN0-937040-82-7Everyefforthasbeenmadetoensuretheaccuracyoftheinformationpresentedinthismanual.However,PCIcannotacceptresponsibilityforerrors,oversights,orthemisuseoftheinformationcontainedherein.Theusermustrecognizethatnomanualorregulationcansubstituteforexperi-enceandsoundjudgment.Thispublicationisintendedforusebypersonnelcompetenttoevaluatethesignificanceandlimitationoftheinformationitcontains,andacceptresponsibilityforitsproperinterpretationandapplication.PrintedintheU.S.A.iiiPCIManualforQualityControlforPlantsandProductionofGlassFiberReinforcedConcreteProducts,2ndEditionFOREWORDThismanualhasbeenpreparedasaguidelineforthemanufactureofglassfiberreinforcedconcrete(GFRC).GFRCisthetermappliedtoproductsmanufacturedusingacement/aggregateslurryreinforcedthroughoutwithalkali-resistantglassfibers.Themanufactureofglassfiberreinforcedconcreteproductsrequiresagreaterdegreeofcraftsmanshipthanotherprecastconcreteconstructionproducts.Inaddition,manycombinationsofshape,size,color,andtexturearedemandedofthisproduct.Therefore,itisimportanttoimplementthequalitycontrolproce-duresasgiveninthisStandard.Consultationwithrepresentativesofexperiencedmanufacturerswillbeofgreatvalueinachievinghigh-qualityproductsatareasonablecosttotheowner.Materialsandperformancerequirementsforglassfiberreinforcedconcreteshouldbeclearlystatedintheplansandspecifications.Theyshouldbeneitheropentointerpretationnorunnecessarilyrestrictive.Allpersonnelinthemanufacturer’sanderector’sorganizationsmustbethoroughlytrainedandcompetentinordertoachievequalityglassfiberreinforcedconcreteinstallations.ThissecondeditionofthePCIManualforQualityControlforPlantsandProductionofGlassFiberReinforcedCon-creteProductswaspreparedbytheGFRCQualityControlManualSubcommitteeofthePCIGlassFiberReinforcedConcretePanelsCommittee.ItrepresentsthemostcurrentPCIrecommendationsandistheindustrystandardforqualitycontrol.CommitteemembersworkingontheFirstEdition:Chairman:EdwinA.McDougleScottJ.CampbellThomasJ.HillDonaldG.ClarkF.WilliamHorsleyDavidB.EddyLesJ.KempersSidneyFreedmanRobertE.TysingerCommitteemembersworkingontheSecondEdition:Chairman:EdwardS.KnowlesHiramBallJr.DushyantManmohanSidneyFreedmanEdwinA.McDougleThomasJ.HillHenryJ.MolloyF.WilliamHorsleyW.MichaelParisJohnJonesIvarsRenemansJamesTolsonivPCIManualforQualityControlforPlantsandProductionofGlassFiberReinforcedConcreteProducts,2ndEditionThispageintentionallyleftblank.vPCIManualforQualityControlforPlantsandProductionofGlassFiberReinforcedConcreteProducts,2ndEditionINTRODUCTIONMNL-130,SecondEditionTheStandardandCommentaryportionsofthismanualarepresentedinaside-by-sidecolumnformat,withtheStandardplacedintheleftcolumnandthecorrespondingCommentaryalignedintherightcolumn.TheStandardshavebeenprintedinthesametypefaceasshowninthisparagraph.TheCommentaryisprintedinthesametypefaceasshowninthisparagraph.Additionally,a“C”precedesCommentaryarticlenumberstohelpfurtherdistinguishtheCommentaryfromtheStandards.Theinformationinthismanualisintendedtoserveasstandardsforqualitycontrolforthemanufactureofglassfiberrein-forcedconcrete(GFRC)productsandasacompleteguideforthedevelopmentofaninternalmanufacturingqualitycon-trolprogram.TheStandardportionisintendedtoserveasaspecificationreferencedocument.Itshouldbeaugmentedasrequiredforspecificoperationsandproductsbyspecifierorproducer.TheCommentaryprovidesamplificationandexplanationoftheStandard.TherequirementsofthisStandardareintendedtoachieveoptimumquality,whichmaybedefinedasthatlevelofquality,intermsofappearance,strengthanddurability,thatisappropriateforthespecificproductanditsparticularapplication.Inotherwords,itisthelevelofqualitythatisbotheconomicaltoachieveandsuitablefortheparticularpurposeitservesasacomponentintheoverallbuildingproject.WhileitmaybeinterpretedthatthisStandardprovidesaminimumlevelofquality,thereisnointenttoplaceaceilingonexcellence.ThedegreeofsuccessinspecifyingandobtainingoptimumqualityforGFRCproductswilldependonthecombinedeffortsofdesignersandGFRCmanufacturerstodefineandcoordinatetheirindividualrequirements,respon-sibilities,andexpectations.Nomanualofthistypecanbeall-inclusive.Therecommendationsgivenhereinarepresentedonlyasanoutlineofthemoreimportantfactorsgoverningtheproductqualityofglassfiberreinforcedconcrete.Theirvalueisdependentonrationalapplicationandadeterminationonthepartofindividualproducerstoestablishastandardofqualitythatwillberecognizedandrespectedbythespecifier.SatisfactoryconformancewiththeStandardsinthismanualisrequiredforcertificationinthePCIPlantCertificationProgramforProductGroup/CategoryG–G