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Gateway Park Center PERKINS+WILL <br /> 810495.00 <br />12/06/18 <br />033000-20 Cast-In-Place <br />Concrete <br />added to the mix in accordance with the manufacturer’s recommendation <br />to offset the excess amount of chloride at no additional cost to the Owner. <br />2.3 ADMIXTURES <br />A.General: <br />1.Admixtures specified below can be used only when established in the mix <br />design with Design Professionals' prior written approval. <br />2.Each admixture approved by Design Professionals shall be used in strict <br />compliance with manufacturer's published instructions. <br />3.Concrete supplier shall certify all admixtures to be compatible with each <br />other. (See Submittals Section in Part 1) <br />B.Air Entraining Admixture: <br />1.ASTM C 260 <br />2.Acceptable Product: BASF "MasterAir AE 200”" or “MasterAir -AE 90” <br />3.Acceptable Product: W. R. Grace “Darex Series” or “Daravair Series” <br />4.Acceptable Product: Euclid Chemical Company “AEA –92 or Air 40” <br />5.Acceptable Product: Sika Corporation “Sika Air Series” or “Sika AEA <br />Series” <br />C.Water-Reducing Admixture: <br />1.ASTM C 494, Type A <br />2.Acceptable Product: BASF’ "MasterPozzolith 210” <br />3.Acceptable Product: Euclid Chemical Company “EUCON NW” or <br />“EUCON WR 91” <br />4.Acceptable Product: W. R. Grace “WRDA’ Series, Zyla Series or “Mira” <br />Series <br />5.Acceptable Product: Sika Corporation “Plastocrete Series” <br />D.Retarding Admixture: <br />1.ASTM C 494, Type B <br />2.Acceptable Product: BASF “Masterset R 100” <br />3.Acceptable Product: Euclid Chemical Company “EUCON RETARDER <br />100” <br />4.Acceptable Product: W. R. Grace “Daratard 17” <br />5.Acceptable Product: Sika Corporation “Plastiment Series” <br />E.Non Corrosive Accelerating Admixture: <br />1.ASTM C 494, Type C <br />2.Acceptable Product: BASF "POZZUTEC 20” or “Masterset NC 534” <br />3.Acceptable Product: Euclid Chemical Company “ACCELGUARD 80”, <br />“ACCELGUARD NCA” or “ACCELGUARD 90” <br />4.Acceptable Product: W. R. Grace “Daraset” Series, “Polarset”, or “DCI” <br />5.Acceptable Product: Sika Corporation “Sikaset NC” or “Plastocrete 161 <br />FL” or “Sika Rapid-1”