SECTION09642–WOODGYMNASIUMFLOORING
PART1-GENERAL
1.1DESCRIPTION
A.Relatedworkspecifiedunderothersections.
1.CONCRETESUBFLOORS-SECTION03___
a.Slabdepressionis:
3-1/8”for25/32”flooring(3/8”pad)3-3/8”for33/32”flooring(3/8”pad)3-3/8”for25/32”flooring(5/8”pad)3-5/8”for33/32”flooring(5/8”pad)
b.Thegeneralcontractorshallfurnishandinstalltheconcretesubfloordepressingtheslabsufficientlytoaccommodatethefloorsystem.Theslabshallbesteeltroweledandfinishedsmoothtoatoleranceof1/8”inany10’radiusbythegeneralcontractor.Highspotsshallbegroundlevel,andlowspotsfilledinwithapprovedlevelingcompoundbythegeneralcontractortothefullapprovaloftheinstaller(FlooringContractor).
2.MEMBRANEWATERPROOFING-SECTION07___
a.Concretesubfloorsonorbelowgradeshallbeadequatelywaterproofedbeneaththeslabandattheperimeterwallsandonearthsideofbelowgradewallsbygeneralcontractorusingsuitabletypemembrane.
3.THRESHOLDS-SECTION08___
4GAMESTANDARDINSERTS-SECTION11___
1.2REFERENCES
A.MFMA-MapleFlooringManufacturersAssociation
B.DIN-PerformanceStandardDIN18032,Part2.
1.3QUALITY ASSURANCE
A.Manufacturer
1.Manufacturerofresilientflooringshallbeafirmspecializinginmanufacturingproductsspecifiedinthissection.
2.ManufacturerofflooringandsubfloorcomponentsmustbeISO9001:2008Certifiedtoassurequalitycontrolofmaterialsprovided.
3.Manufacturerofgymnasiumfloorsystemandhardwoodflooringsurfaceshallbeverifiedasa“ZeroWaste”companyconfirmedthroughSWCAthird-partyauditing.
4.Basisofdesignshallbe“DuraCushionIII”sportsfloorsystemasprovidedbyConnorSportsFlooring, (800-833-7144).
5.Materialsotherthanthoselistedmustbeapproved10dayspriorbywrittenaddendum.Materialsfromnon-approvedmanufacturerswillnotbeaccepted.
B.Installer(FlooringContractor)
1.Thecompleteinstallationoftheflooringsystem,asdescribedinthescopeofthesespecifications,shallbecarriedoutbyanexperiencedinstaller(FlooringContractor),andtheworkshallbeperformedinaccordancewithmostrecentinstallationinstructionsofthemanufacturer.
2.Installer(FlooringContractor)shallbeliableforallmattersrelatedtoinstallationforaperiodofoneyearafterthefloorhasbeensubstantiallyinstalledandcompleted.
C.PerformanceTesting
1.FlooringsystemshallhavebeenindependentlytestedandevaluatedforAthleticPerformanceaccordingtotheInternationalStandardDIN18032,Part2.
2.DINtestingengineershallbeanISO17025Systemmemberratedforeachperformedtestconducted.
3.IndependentDINtestinglaboratoryshallhaveScientificBodyMembershipintheInternationalAssociationofSportsSurfaceSciences(ISSS).
4.FlooringsystemshallhavebeenindependentlytestedandevaluatedforEngineeringPerformanceaccordingtotheStructuralTestingandEngineeringMeasures(STEM).
1.4SUBMITTALS
A.Specification-SubmitConnorDuraCushionIIIspecificationsheets.
B.Sample-Submitonesampleofspecifiedsystem,ifrequestedbyarchitect.
C.MaintenanceLiterature-Uponcompletionoffloorinstallation,sendtoowner,attendantsorindividualsinchargeandresponsiblefortheupkeepofthebuildingaCARECARD.Thiscardspellsoutcareandmaintenanceinstructionsincludingtemperatureandhumidityrangesforareaswhereflooringisinstalled.
1.5WORKING CONDITIONS
A.Thewoodflooringspecifiedhereinshallnotbeinstalleduntilallmasonry,painting,plaster,tile,marbleandterrazzoworkiscompleted,andoverheadmechanicaltradesandpaintershavefinishedinthewoodfloorareas.Thebuildingshallbeenclosedandweathertite.
B.Theconcretesubfloorshallbedetermineddrybyindustrystandardtestingprocedures,freeofforeignmaterialsandturnedovertotheinstaller(FlooringContractor)broomclean.Moderateroomtemperatureof65degreesormoreshallbemaintainedaweekprecedingandthroughoutthedurationofthework.Humidityconditionswithinthebuildingshallapproximatethehumidityconditionsthatwillprevailwhenthebuildingisoccupied.
C.Permanentheat,lightandventilationshallbeinstalledandoperatingduringandafterinstallation,maintainingarangeoftemperatureandhumiditycompatiblewiththeexpectedlowandhighmoisturecontentoftheflooring.Thewoodmoisturecontentrangeisdeterminedbytheflooringcontactorbasedonthefacility’smechanicalcontrolsand/orgeographicallocation.
D.Flooringmustbestoredinadry,well-ventilatedarea,notincontactwithmasonry,toacclimatetobuildingconditionsandshallbeinstalledatmoisturecontentcompatiblewiththenormallyexpectedenvironmentalrangeoftemperatureandrelativehumidityachievedwhilethefacilityisoccupied.
E.GeneralContractorshalllockfloorareaafterfloorisfinishedtoallowpropercuretime.Ifgeneralcontractororownerrequiresuseofgymafterpropercuretime,heshallprotectthefloorbycoveringwithnon-marringKraftpaperorredrosinpaperwithtapedjointsuntilacceptancebyownerofcompletegymnasiumfloor.
F.Workingconditionsasdescribedaboveshallbefollowed.VariationsandsubstitutionsshallbesubmittedforapprovaltothearchitectwhoshalladviseConnorofthesame.
1.6HUMIDITYCONTROL
A. Sinceallwoodflooringwillexpandandcontractasrelativehumidityvaries,itisimportanttominimizeextremesbetweenlowandhigh.Hardwoodflooringismanufacturedatmoisturecontentmostcompatiblewitha35%-50%relativehumidityrange.Geographicalregionsandavailablemechanicalsdeterminethetypicalrangeoftemperatureandhumidityforeachfacility.Maintaininga15%fluctuationbetweenhighestandlowestaverageindoorrelativehumidityprovideslimitedshrinkageandgrowth.FacilitymanagersshouldmakeuseofavailableHVACsystemstopreventexcessivetighteningandshrinkageofflooring.
1.7WARRANTY
A.Connorwarrantsthatthematerialsithassuppliedwillbefreefrommanufacturingdefectsforaperiodofone year.Theforegoingwarrantyisinlieuofandexcludesallotherwarrantiesnotexpresslysetforthherein,whetherexpressorimpliedinoperationoflaworotherwise,including,butnotlimitedto,anyimpliedwarrantiesofmerchantabilityorfitness.Thiswarrantyisexpresslylimitedtotheflooringmaterials(goods)suppliedbyConnor.Thiswarrantydoesnotcoverfloordamagecaused(whollyorinpart)byfire,winds,floods,moisture,otherunfavorableatmosphericconditionsorchemicalaction,nordoesitapplytodamagecausedbyordinarywear,misuse,abuse,negligentorintentionalmisconduct,aging,faultybuildingconstruction,concreteslabseparation,faultyorunsuitablesubsurfaceorsitepreparation,settlementofthebuildingwallsorfaultyorunprofessionalinstallationofConnorflooringsystems.
B.Connorshallnotbeliableforincidentalorconsequentiallosses,damagesorexpensesdirectlyorindirectly arisingfromthesale,handlingoruseofthematerials(goods)orfromanyothercauserelatingthereto,andtheirliabilityhereunderinanycaseisexpresslylimitedtothereplacementofmaterials(goods)notcomplyingwiththisagreement,orattheirelections,totherepaymentof,orcreditingbuyerwith,anamountequaltothepurchasepriceofsuchmaterials(goods),whethersuchclaimsareforbreachofwarrantyornegligence.AnyclaimshallbedeemedwaivedbybuyerunlesssubmittedtoConnorinwritingwithin30daysfromthedatebuyerdiscovered,orshouldhavediscovered,anyclaimedbreach.
PART2-PRODUCTS
2.1MATERIALS
A.VaporBarrier-6-milpolyethylene.
B.ResilientPads
1.ConnorDuraCushionpads,3/8”thickX2-1/4”X3”
2.Optionalthickness(specifyaboveordelete)-ConnorDuraCushionpads,5/8”thickX2-1/4”X3”
C.Sleeper-Nominal2”X3”X4’Spruce,Fir,Pineorwith5padsattached12”oncenter.
D.Subfloor-15/32”APAratedplywoodsheathing,Exposure1.
E.Flooring(ConnorLaytiteMaple)
1.25/32”X2-1/4”,SecondBetterGrade,NorthernHardMapleFlooring,TGEM,MFMAGrademarkedandstampedasmanufacturedbyConnorSportsFlooring,Amasa,MI.
2.Optionalsizesandgrades(specifyaboveordelete)-
a. Sizes–25/32”X1-1/2”,33/32”X1-1/2”,33/32”X2-1/4”
b. Grades–FirstGrade,ThirdGrade
3.Option(specifyordelete)-Manufacturedflooringprofileshallinclude1/64”sideedgecrushbead.
4.SMARTWOODcm (specifyordelete)-HardmapleflooringshallbecertifiedasharvestedfrommanagedforestincompliancewiththeSmartWoodcmprogramoftheRainforestAlliance.
F.Fasteners
1.Flooring-2”barbedcleatsorcoatedstaples.
2.Subfloor-1-1/2”coatedstaples.
G.FinishMaterials-Connoroilmodifiedpolyurethanesealandfinishorequal.
H.GameLines-Gamelinepaintshallbecompatiblewithfinish.
I.WallBase-3”X4”,heavyduty,molded,ventedcovebasewithpre-moldedoutsidecorners.
J.ProtectiveFloorCover(specifyordelete)–ProvideConnor“CourtCover”39”x79”protectivefloorcovertiles,BlueChip™Type6,6nylon,availablecoloroptions(Blue,Gray,Brown,BrownMulti,BlueMulti,GreenMulti).
PART3-EXECUTION
3.1EXECUTION
A.Inspectconcreteslabforpropertoleranceanddryness.Reportanydiscrepanciestogeneralcontractorandarchitectinwriting.
B.Concreteslabshallbebroomcleanedbygeneralcontractor.
C.Installer(FlooringContractor)shalldocumentallworkingconditionsprovidedinGeneralSpecificationspriortocommencementofinstallation.
3.2INSTALLATION
A.Subfloor
1.Coverconcretewithpoly,sealingandlappingjointsaminimumof6”.
2.Installsleepersatrightanglestofinishflooring12”oncenter.Spaceends1/4”andoffsetjoints24”in adjacentrows.Provide2”expansionvoidsatperimeterandatallverticalobstructions.Inspectsleeperstobesurethatallpadsbearontheconcretesubfloor.Installsolidblockingatdoorways,underbleachersinthestackedposition,andbelowportablegoals.
3.Attachplywoodsubfloorwith8’edgesparalleltoandrestingonsleepers.Setplywoodinstaggeredbrickpatternandoffsetplywoodendjointsby1’fromsleeperendjoints,1/4"spacingatalledges.Fastenplywoodtosleepersusing1-1/2”staplesfastened12”oncenter.
B.MapleFlooring
1.Installmapleflooringbypowernailingorstaplingapproximately12”oncenterwithendjointsproperlydrivenup.
2.Ifrequired,sizejointsbetweenflooringstripstoallowforintermediateexpansioninaccordancewithlocalhumidityconditions.
3.Provided2”expansionvoidsatperimeterandatallverticalobstructions.
3.3FINISHING
A.MapleFlooring
1.Machinesandwithcoarse,medium,andfinepapertoasmooth,evenanduniformsurface.
2.Removesandingdustfromentiresurfacebytackorvacuum.
3.Inspectentireareaoffloortoinsurethatsurfaceisacceptableforfinishing,cleanandcompletelyfreefromsandingdust.
4.Applytwo(2)coatsofapprovedsealandtwo(2)coatsofapprovedfinishpermanufacture’sinstructions.
5.Buffandcleanfloorbetweencoats.
6.GamesLines:Applygamelinesasindicatedondrawings,betweensealandfirstcoatoffinish.
3.4BASE INSTALLATION
A. Installventcovebasetowallswithbasecementorscrews.Usepre-moldedoutsidecornersandmiteredinsidecorners.
3.5CLEANING
A. Removeexcessandwastematerialsfromtheareaofwork.
ENDOFSECTION09642
July1,2009
DCIII060
MasterRevF