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DocuSign Envelope ID: 313DA256 -1EDE- 4396- A716- 4C53B809027E <br />JERRY M. PASSMORE CENTER ADDITION AND RENOVATION <br />HILLSBOROUGH, NORTH CAROLINA <br />installers for this Project who are certified under the National Glass Association's Certified <br />Glass Installer Program. <br />B. Source Limitations for Glass: Obtain the following through one source from a single <br />manufacturer for each glass type: clear float glass, coated float glass, and insulating glass. <br />C. Source Limitations for Glass Sputter- Coated with Solar - Control Low -E Coatings: Where solar - <br />control low -e coatings of a primary glass manufacturer that has established a certified fabricator <br />program is specified, obtain sputter- coated solar- control low -e- coated glass in fabricated units <br />from a manufacturer that is certified by coated -glass manufacturer. <br />D. Source Limitations for Glazing Accessories: Obtain glazing accessories through one source <br />from a single manufacturer for each product and installation method indicated. <br />E. Glass Product Testing: Obtain glass test results for product test reports in "Submittals" Article <br />from a qualified testing agency based on testing glass products. <br />Glass Testing Agency Qualifications: An independent testing agency with the experience <br />and capability to conduct the testing indicated, as documented according to ASTM E 548. <br />F. Elastomeric Glazing Sealant Product Testing: Obtain sealant test results for product test reports <br />in "Submittals" Article from a qualified testing agency based on testing current sealant <br />formulations within a 36 -month period. <br />1. Sealant Testing Agency Qualifications: An independent testing agency qualified <br />according to ASTM C 1021 to conduct the testing indicated, as documented according to <br />ASTM E 548. <br />2. Test elastomeric glazing sealants for compliance with requirements specified by <br />reference to ASTM C 920, and where applicable, to other standard test methods. <br />G. Preconstruction Adhesion and Compatibility Testing: Submit to elastomeric glazing sealant <br />manufacturers, for testing indicated below, samples of each glazing material type, tape sealant, <br />gasket, glazing accessory, and glass- framing member that will contact or affect elastomeric <br />glazing sealants: <br />1. Use ASTM C 1087 to determine whether priming and other specific joint preparation <br />techniques are required to obtain rapid, optimum adhesion of glazing sealants to glass, <br />tape sealants, gaskets, and glazing channel substrates. <br />2. Submit not fewer than eight pieces of each type of material, including joint substrates, <br />shims, joint - sealant backings, secondary seals, and miscellaneous materials. <br />3. Schedule sufficient time for testing and analyzing results to prevent delaying the Work. <br />4. For materials failing tests, obtain sealant manufacturer's written instructions for <br />corrective measures, including the use of specially formulated primers. <br />5. Testing will not be required if elastomeric glazing sealant manufacturers submit data <br />based on previous testing of current sealant products for adhesion to, and compatibility <br />with, glazing materials matching those submitted. <br />H. Safety Glazing Products: Comply with testing requirements in 16 CFR 1201. <br />GLAZING 088000-4 <br />