COMPLIANCE INFO_FILE 2 - Laserfiche WebLink

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REPRODUCED AT GOVERNMENT EXPENSE, 2.2.3 Aggregates: ASTM. C 33. Obtain aggregates for exposed concrete surfaces from one source. Aggregates shall not contain any substance which may be deleteriously reactive with the alkalies in the cement. 2.2.4 Admixtures: ASTM C 260 for air -entrained concrete. ASTM C 494 for water reducing (Type A, D, or E), accelerating (Type C), and retarding (Type B or D), to be used only when approved. 2.2.5 Reinforcement: 2.2.5.1 Reinforcing Bars: ASTM A 706, Grade 60; ASTM A 615 and ASTM A 617, Grade 40; or ASTM A 616, Grade 50. 2.2.5.2 Welded Wire Fabric: ASTM A 497 or ASTM A 185, 6 by 6, W2.9 by W2.9, unless otherwise indicated. 2.2.6 Materials for Curing Concrete: 2.2.6.1 Impervious Sheeting: ASTM C 171; waterproof paper, clear and white polyethylene sheeting, or polyethylene -coated burlap. 2.2.6.2 Liquid Membrane -Forming Compound: ASTM C 309, white -pigmented, Type 2, free of paraffin or petroleum. Do not use where finished appearance is important. Use where approved only. 2.2.6.3 Liquid Chemical Sealer -Hardener Compound: Compound shall not contain petroleum resins or waxes. Do not use on exterior slabs where exposed to freezing conditions. Compound shall not reduce the adhesion of resilient flooring, tile, paint, roofing, waterproofing, or other material to be applied to the concrete. 2.2.7 Expansion -Joint Filler: ASTM D 1751 or ASTM D 1752, 1/2 inch thick, unless otherwise indicated. 2.2.8 Joint Sealants: 2.2.8.1 Horizontal Surfaces (3 percent slope, maximum): A. Outside Buildings: ASTM D 1190. B. Inside Buildings: ASTM D 1190 or ASTM D 1850. 2.2.8.2 Vertical Surfaces (greater than 3 percent slope): ASTM C 920, Type M, Grade NS, Class 25, Use T. 2.2.9 Vapor Barrier: ASTM C 171 polyethylene sheeting, minimum 6 mil thickness. 2.2.10 Polyvinylchloride Waterstops: COE CRD -C-572- 2.2.11 Nonshrink Grout: CRD -C-621.