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40-27 BUILDING CAST -IN -PLACE CONCRETE <br />BRPH ARCHITECTS -ENGINEERS, INC. <br />' 1. Maximum Coarse -Aggregate Size: 1-1/2 inches nominal. <br />2. Fine Aggregate: Free of materials with deleterious reactivity to alkali in cement. <br />' 3. Combined Aggregate Gradation: Combined aggregate gradation for slabs and <br />other designated concrete shall be 8% - 18% for large top size aggregates (1 '/2 <br />in.) or 8% - 22% for smaller top size aggregates (1 in. or 3% in.) retained on each <br />sieve below the top size and above the No. 100. <br />C. Water: ASTM C 94/C 94M and potable. <br />' 2.5 ADMIXTURES <br />' A. Air -Entraining Admixture: ASTM C 260. <br />B. Chemical Admixtures: Provide admixtures certified by manufacturer to be compatible <br />' with other admixtures and that will not contribute water-soluble chloride ions exceeding <br />those permitted in hardened concrete. Do not use calcium chloride admixtures <br />containing more than 0.05% chloride ions by weight of admixture. <br />' 1. Water -Reducing Admixture: ASTM C 494/C 494M, Type A. <br />2. Water -Reducing and Retarding Admixture: ASTM C 494/C 494M, Type D. <br />3. High -Range, Water -Reducing Admixture: ASTM C 494/C 494M, Type F or G, <br />' Eucon 37 or Plastol Series by The Euclid Chemical Company Rheobuild 1000 or <br />Glenium Series by BASF. <br />4. Non -Chloride, Non -Corrosive Accelerator: ASTM C 494/C 494M, Type C, <br />' Accelguard 80, Accelguard 90 or Accelguard NCA by The Euclid Chemical <br />Company Pozzotec C 20 by BASF. <br />5. Shrinkage Reducing Admixture: Conex by Euclid Chemical Company. <br />C. Prohibited Admixtures: Calcium chloride or admixtures containing more than 0.05% <br />chloride ions by weight of admixture are not permitted. <br />' 2.6 FIBER REINFORCEMENT <br />' A. Macro Synthetic Fiber: Self-fibrillating polypropylene/polyethylene blended synthetic <br />macro fibers engineered and designed for use in concrete, complying with <br />ASTM C 1116/C 1116M, Type III, 1to 2'/4 inches long. <br />' 1. Products: Subject to compliance with requirements, available products that may <br />be incorporated into the Work include, but are not limited to, the following: <br />a. Macro Synthetic Fibers: <br />' 1) FORTA-FERRO by FORTA Corporation. <br />2) Tuf-Strand SF, by the Euclid Chemical Company. <br />' 2.7 VAPOR RETARDERS <br />A. Sheet Vapor Retarder: ASTM E 1745, Class A. Include manufacturer's recommended <br />adhesive or pressure -sensitive tape. <br />C06922.001.00 03 30 04 - 5 <br />' 05-22-14 <br />