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<br />Version 10/31/2017 Page - 11 Public Works Quote <br />XXVI. GEOTEXTILE, TYPE 1A <br /> <br />A. Prevailing Specifications: 2020, INDOT Standard Specifications Section 616 <br />B. Additions: None <br /> <br />XXVII. CONCRETE, 4" SIDEWALK <br /> <br />A. Prevailing Specifications: 2020, INDOT Standard Specifications Section 604 <br />B. Additions: <br /> <br />1. This pay item shall consist of the labor and materials to construct the 4" concrete sidewalk as shown <br />on the plans. <br />2. The finished concrete shall be finished, jointed, and cured in accordance with INDOT Standard <br />Specification 604.03. Joints shall match existing adjacent concrete sidewalk. <br />3. Concrete shall be performance based and follow: <br />a. All concrete shall have limestone aggregate. <br />b. A minimum 28 day strength of 4,000 PSI. <br />c. Shall have a 5% to 8% entrained air with an admixture that conforms to ASTM C-260. <br />d. Slump shall be a maximum of 4". <br /> <br />C. The accepted quantity of CONCRETE, 4" SIDEWALK will be paid at the contract unit price per square <br />yard (SYS), complete in place. <br /> <br />XXVIII. CONCRETE REPAIR AND REHABILITATION <br /> <br />A. Prevailing Specifications: None. <br />B. Additions: <br /> <br />1. The Contractor shall provide all labor, materials, equipment, and incidentals as shown, specified, <br />and required to repair or rehabilitate, as required, all existing concrete shown or indicated in the <br />Contract Documents as being repaired or rehabilitated. <br />2. Review installation procedures under this and other Work Items and coordinate the work that must <br />be installed with or before repair and rehabilitation of concrete. <br />MATERIALS: <br />Standards referenced in this Section are: <br /> <br />1. ASTM C109/C109M-16a, Standard Test Method for Compressive Strength of Hydraulic Cement <br />Mortars (Using 2-in. or [50-mm] Cube Specimens). <br />2. ASTM C882/C882M-13a, Standard Test Method for Bond Strength of Epoxy-Resin Systems Used <br />with Concrete by Slant Shear. <br />3. ASTM D3574-17, Standard Test Methods for Flexible Cellular Materials – Slab, Bonded, and <br />Molded Urethane Foams. <br />4. ASTM D1042-12(2017), Standard Test Method for Linear Dimensional Changes of Plastics Caused <br />by Exposure to Heat and Moisture. <br />Repair Mortar: <br />A. Product Description: Repair mortar shall be prepackaged, cement-based product specifically <br />formulated for repairing concrete surface defects. <br /> <br />B. Products and Manufacturers: Provide one of the following: <br />1. SikaTop 122 Plus, SikaTop 123 Plus, or SikaTop 126 Plus, by Sika Corporation. <br />2. DuralTop Gel, DuralTop Flowable Mortar by Euclid Chemical Company. <br />3. Or approved equal. <br /> <br />