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SPECIFICATIONS Quality Assurance A. Manufacturer Qualifications: Concrete shall be supplied by State Department of Transportation Certified plants with certified personnel. Plants shall be equipped with aggregate, microwave, moisture probes to account for free water in aggregate, ensuring consistency in color and slump. In addition, delivery trucks shall be equipped with slump gauges to further ensure consistency. B. Acquire cement and aggregate from same source for all work. C. Use adequate numbers of skilled craftsmen who are thoroughly trained and experienced in the colored, stamped, textured and exposed concrete, and are completely familiar with the methods needed for proper performance.
A. Cement: Portland Type 1, ASTM C-150, from one manufacturer B. Fly Ash: Type C, ASTM C618 C. Slag: ASTM C989 D. Fine and Course Aggregate: ASTM C-33
E. Water: Clean and not detrimental to concrete Admixtures: Air Entraining: ASTM C260, Water Reducing: ASTM C494
Color shall be integral with concrete, except for staining or antiquing, and shall be synthetic, containing no carbon.
A. Curing compound: VOC compliant, ASTM C-309, designed to cure concrete leaving a membrane for use on exterior concrete. Acceptable products; 2519 DCWB, Dissipatin Cure/Water based by TK Products B. Siloxane sealer shall be applied on all exterior concrete after 28 days. Acceptable products; Tri-siloxane by TK Products. Where exposed aggregate concrete is scheduled, use “Bright Kure & Seal” by TK Products.
Use Min 28 day psi water/cementitious max.
slump air Tolerances would be + or – 1 on slump and air, however, all loads must be the same to ensure consistency of color, texture, and finish.
Mix design for stamped concrete shall be "StampCrete"
by JME Companies. |
Specifications
and Engineering
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