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<br />Version 10/31/2017 Page - 12 Public Works Quote <br />C. Materials: <br />1. Provide a two-component, polymer-modified, Portland cement, fast-setting, trowel-grade mortar. <br />Repair mortar shall be enhanced with penetrating corrosion inhibitor, and shall have the following <br />properties: <br /> <br />Physical Property Value ASTM Standard <br />Minimum Compressive Strength at One Day 2,000 psi C109 <br />Minimum Compressive Strength at 28 Days 6,000 psi C109 <br />Minimum Bond Strength at 28 Days 1,800 psi C882* <br /> <br />* Modified for use with repair mortars. <br /> <br />2. Where the least dimension of the placement in width or thickness exceeds four inches, extend <br />repair mortar by adding aggregate as recommended by repair mortar manufacturer. <br /> <br />Crack Injection Materials: <br /> <br />A. Structural Crack Repair System: <br />1. Epoxy for injection shall be low-viscosity, high-modulus moisture insensitive type. <br />2. Products and Manufacturers: Provide one of the following: <br />a. Sikadur 35, Hi-Mod L.V. and Sikadur 31, Hi-Mod Gel, by Sika Corporation. <br />b. Eucopoxy Injection Resin, by Euclid Chemical Company. <br />c. Or approved equal. <br /> <br />B. Non-structural Crack Repair System: <br />1. Hydrophobic Polyurethane Chemical Grout: <br />a. Provide hydrophobic polyurethane that forms a flexible gasket. <br />b. Products and Manufacturers: Provide one of the following: <br />1. SikaFix HH LV, by Sika Chemical Company. <br />2. Hydro Active Flex SLV, by De Neef Construction Chemicals, Inc. <br />3. Or approved equal. <br />c. Shrinkage limit shall not exceed 4.0 percent in accordance with ASTM D1042. <br />d. Minimum elongation of 250 percent in accordance with ASTM D3574. <br />e. Minimum tensile strength of 150 psi in accordance with ASTM D3574. <br />2. Hydrophilic Acrylate-Ester Resin: <br />a. Hydrophilic crack repair system shall be acrylate-ester resin that forms a flexible gasket and <br />increase in volume by at least 50 percent when in contact with water. <br />b. Products and Manufacturers: Provide one of the following: <br />1. Duroseal Multigel 850, manufactured by BBZ USA, Inc. <br />2. Or approved equal. <br /> <br />SUBMITTALS: <br /> <br />A. Action Submittals: Submit the following: <br />1. Product Data: Information on all products proposed for use, including manufacturer’s brochures, <br />technical data, specifications, and other applicable data. <br />2. Manufacturer’s Instructions: Manufacturer’s recommended procedures for installing materials <br />proposed for use. <br /> <br />B. The Contractor shall submit any alternate repair mortar or crack injection materials to the engineer for <br />review and approval. <br />