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DocuSign Envelope ID:AOF53191-262C-4CB2-B674-9AB9C758A904 <br /> F. Clear,Waterborne,Membrane-Forming Curing and Scaling Compound: ASTM C 1315,Type 1, <br /> Class A. <br /> 2.8 RELATED MATERIALS <br /> A. Expansion-and Isolation-Joint-Filler Strips:ASTM D 1751,asphalt-saturated cellulosic fiber or <br /> ASTM D 1752,cork or self-expanding cork. <br /> B. Bonding Agent:ASTM C 1059/C 1059M,Type II,non-redispersible,acrylic emulsion or styrene <br /> butadiene. <br /> 2.9 REPAIR MATERIALS <br /> A. Repair Underlayment: Cement-based,polymer-modified,self-leveling product that can be applied in <br /> thicknesses from 1/8 inch and that can be feathered at edges to match adjacent floor elevations. <br /> 1. Cement Binder:ASTM C 150,portland cement or hydraulic or blended hydraulic cement as <br /> defined in ASTM C 219. <br /> 2. Primer:Product of underlayment manufacturer recommended for substrate,conditions,and <br /> application. <br /> 3. Aggregate:Well-graded,washed gravel, 1/8 to 1/4 inch or coarse sand as recommended by <br /> underlayment manufacturer. <br /> 4. Compressive Strength:Not less than 6000 psi at 28 days when tested according to <br /> ASTM C 109/C 109M. <br /> B. Repair Overlayment: Cement-based,polymer-modified,self-leveling product that can be applied in <br /> thicknesses from 1/4 inch and that can be filled in over a scarified surface to match adjacent floor <br /> elevations. <br /> 1. Cement Binder:ASTM C 150,portland cement or hydraulic or blended hydraulic cement as <br /> defined in ASTM C 219. <br /> 2. Primer:Product of topping manufacturer recommended for substrate,conditions,and application. <br /> 3. Aggregate:Well-graded,washed gravel, 1/8 to 1/4 inch or coarse sand as recommended by <br /> topping manufacturer. <br /> 4. Compressive Strength:Not less than 6000 psi at 28 days when tested according to <br /> ASTM C 109/C 109M. <br /> 2.10 CONCRETE MIXTURES,GENERAL <br /> A. Prepare design mixtures for each type and strength of concrete,proportioned on the basis of laboratory <br /> trial mixture or field test data,or both,according to ACI 301. <br /> 1. Use a qualified independent testing agency for preparing and reporting proposed mixture designs <br /> based on laboratory trial mixtures. <br /> B. Cementitious Materials: Limit percentage,by weight,of cementitious materials other than portland <br /> cement in concrete as follows: <br /> 1. Fly Ash: 25 percent. <br /> 2. Combined Fly Ash and Pozzolan:25 percent. <br /> 3. Ground Granulated Blast-Furnace Slag: 50 percent. <br /> 4. Combined Fly Ash or Pozzolan and Ground Granulated Blast-Furnace Slag: 50 percent portland <br /> cement minimum,with fly ash or pozzolan not exceeding 25 percent. <br />