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BID TITLE: BID 19 -17 -12 -HR BID NUMBER: ROOFING MAINTENANCE & REPAIRS <br />SECTION 07920 — SEALANTS AND CAULKINGS <br />PART 1 - GENERAL <br />1.01 REQUIREMENTS <br />A. SECTION INCLUDES: <br />Clean and prepare joint surfaces; install sealant and backing materials. <br />1.02 SUBMITTALS <br />A. Submit manufacturer's product data. Include manufacturer's product handling, <br />surface preparation, installation, and curing instruction and performance test data <br />sheets for each type of sealant used. If two or more different sealants are to be in <br />physical contact with each other (such as a parapet joints and reg let <br />intersections), obtain from each manufacturer confirmation that its product is <br />compatible with the proposed and adjacent products. <br />B. Submit manufacturer's standard chart of sealant colors. City to select color. <br />C. SAMPLES: <br />One cartridge of each type and color of sealant to be used; samples of backing <br />material. <br />1.03 QUALITY ASSURANCE <br />A. APPLICATOR'S QUALIFICATIONS: <br />Have a minimum of five (5) years' experience installing sealants. A list of projects <br />which required sealant application shall be provided to confirm applicator's years of <br />experience. <br />B. JOINT TOLERANCE: <br />All joints varying over 50% from design dimension shall be called to the attention of <br />the CITY REPRESENTATIVE prior to sealant installation. Joint width/depth ratios <br />are critical to sealant performance and compliance with those limitations is required. <br />1.04 WARRANTY <br />A. Provide minimum two (2) year warranty. <br />B. Replace sealants which fail because of loss of cohesion or adhesion or do not <br />cure. <br />C. Flat bur replacement, provide additional manufacture ten (10) year warranty. <br />Revised 6/27/18 Page 25 <br />