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� <br /> � <br /> 2.1 CONCRETE MATERIALS, continued <br /> B. Aggregates: ASTM C33. Maximum Sizes as follows: <br /> Footings: 1 'h" <br /> Fill for masonry: 3/8" <br /> All other concrete: 3/4" <br /> C. Water: Clean and not detrimental to concrete. �. <br /> 2.2 ADMIXTURES <br /> A. Air Entrainment: ASTM C260. <br /> B. Chemical: ASTM C494 Type A—Water Reducing. <br /> 2 3 ACCESSORIES � <br /> A. Non-Shrink Grout: Premixed compound consisting of non-metallic aggregate, <br /> cement, water reducing and plasticizing agents; Euclid EUCO N-S GROUT or ..� <br /> equal. <br /> B. Vapor Barrier: ASTM 171, (6) mil. Vapor to be placed below the floor slab. <br /> 2.4 JO <br /> 1NT DEVICES AND FILLER MATERIALS F� <br /> A. Joint Filler : ASTM D1751; Asphalt impregnated fiberboard or felt '/4 inch thick; <br /> tongue and groove profile. �� <br /> B. Expansion and Contraction Joint Devices: ASTM B221 resilient, elastomeric filler <br /> strip. � <br /> C. Sealant: ASTM D1190; Hot applied rubber asphalt compound, equal to Meadows <br /> HI- SPEC. Cold applied sealer to be Mameco VITLKEM 45 or equal. <br /> 2.5 CONCRETE MIX �� <br /> A. Mix concrete in accordance with ASTM C94 and ACI 301B. Provide concrete to ' <br /> the following criteria: <br /> Concrete exposed to weather: 4000 psi <br /> Footings, composite slabs, concrete fill � <br /> for pan stairs and concrete fill for r� <br /> masonry bond beams and lintels and <br /> cores of reinforced masonry walls: 3000 psi <br /> Slump as determined by ASTM C 143 shall be as follows: �� <br /> Slabs on grade, composite slabs and fill 2" to 3" <br /> for pan stairs: <br /> Footings, piers and all other structural � <br /> concrete: 3" to 4" <br /> Concrete fill for masonry bond beams <br /> and cores of reinforced masonry walls: 5" to 8" +� <br /> Division 3 -Section 03300 ``� <br /> Page 2 of 4 <br /> '� <br />