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DocuSign Envelope ID:07A4359F-6D47-4987-B1F1-BF667ACBB3BA <br /> 6. Admixtures: <br /> a. Include limitations of use, including restrictions on cementitious materials, <br /> supplementary cementitious materials, air entrainment, aggregates, temperature at <br /> time of concrete placement,relative humidity at time of concrete placement, curing <br /> conditions,and use of other admixtures. <br /> 7. Color pigments. <br /> 8. Vapor retarders. <br /> 9. Curing materials. <br /> a. Include documentation from color pigment manufacturer, indicating that proposed <br /> methods of curing are recommended by color pigment manufacturer. <br /> 10. Joint fillers. <br /> 11. Repair materials. <br /> B. Design Mixtures: For each concrete mixture,include the following: <br /> 1. Mixture identification. <br /> 2. Minimum 28-day compressive strength. <br /> 3. Durability exposure class. <br /> 4. Maximum w/cm. <br /> 5. Calculated equilibrium unit weight, for lightweight concrete. <br /> 6. Slump limit. <br /> 7. Air content. <br /> 8. Nominal maximum aggregate size. <br /> 9. Steel-fiber reinforcement content. <br /> 10. Synthetic micro-fiber content. <br /> 11. Indicate amounts of mixing water to be withheld for later addition at Project site if <br /> permitted. <br /> 12. Include manufacturer's certification that permeability-reducing admixture is compatible <br /> with mix design. <br /> 13. Include certification that dosage rate for permeability-reducing admixture matches dosage <br /> rate used in performance compliance test. <br /> 14. Intended placement method. <br /> 15. Submit alternate design mixtures when characteristics of materials,Project conditions, <br /> weather,test results, or other circumstances warrant adjustments. <br /> C. Shop Drawings: <br /> 1. Construction Joint Layout: Indicate proposed construction joints required to construct the <br /> structure. <br /> a. Location of construction joints is subject to approval of the Architect/Engineer. <br /> D. Concrete Schedule: For each location of each Class of concrete indicated in"Concrete <br /> Mixtures" Article,including the following: <br /> Orange County Solid Waste Drainage Repairs DAA 2200365/TRC 017055.0000.0000 <br /> Drainage Repair Project November 2023 <br /> Orange County, NC 033000-2/19 <br />