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DocuSign Envelope ID:D561B1AE-DF34-4907-AD06-AOEB37BBE427 <br /> CHAPEL HILL ORANGE COUNTY VISITORS BUREAU August 12, 2020 <br /> 308 WEST FRANKLIN,CHAPEL HILL,NC <br /> 3> Verify that installation of grounds, anchors, recessed frames, electrical and mechanical <br /> units of work, and similar items located in or behind tile has been completed. <br /> 4> Verify that joints and cracks in tile substrates are coordinated with tile joint locations; if <br /> not coordinated, adjust joint locations in consultation with Architect. <br /> B. Proceed with installation only after unsatisfactory conditions have been corrected. <br /> 3.2 PREPARATION <br /> A. Fill cracks, holes, and depressions in concrete substrates for tile floors installed with adhesives or <br /> thin-set mortar with trowelable leveling and patching compound specifically recommended by <br /> tile-setting material manufacturer. <br /> B. Where indicated, prepare substrates to receive waterproofing by applying a reinforced mortar bed <br /> that complies with ANSI A108.1A and is sloped 1/4 inch per foot(1:50)toward drains. <br /> C. Blending: For tile exhibiting color variations, verify that tile has been factory blended and <br /> packaged so tile units taken from one package show same range of colors as those taken from <br /> other packages and match approved Samples. If not factory blended, either return to <br /> manufacturer or blend tiles at Project site before installing. <br /> D. Field-Applied Temporary Protective Coating: If indicated under tile type or needed to prevent <br /> grout from staining or adhering to exposed tile surfaces, precoat them with continuous film of <br /> temporary protective coating,taking care not to coat unexposed tile surfaces. <br /> 3.3 TILE INSTALLATION <br /> A. Comply with TCA's "Handbook for Ceramic Tile Installation" for TCA installation methods <br /> specified F113-07 for floors, TCA F121-07 for shower floors, and TCA W244C guidelines for <br /> walls. ."Specifications for Installation of Ceramic Tile" that are referenced in TCA installation <br /> methods, specified in tile installation schedules, and apply to types of setting and grouting <br /> materials used. <br /> 1> For the following installations, follow procedures in the ANSI A108 Series of tile <br /> installation standards for providing 95 percent mortar coverage: <br /> a. Tile floors,base and walls in wet areas. <br /> b. Tile floors and base in laundries. <br /> C. Tile floors, base and walls composed of tiles 8 by 8 inches (200 by 200 mm) or <br /> larger. <br /> d. Tile walls composed of rib-backed tiles. <br /> e. All other floor,base and wall tile or stone applications. <br /> B. Extend tile work into recesses and under or behind equipment and fixtures to form complete <br /> covering without interruptions unless otherwise indicated. Terminate work neatly at <br /> obstructions, edges, and corners without disrupting pattern or joint alignments. <br /> C. Accurately form intersections and returns. Perform cutting and drilling of tile without marring <br /> visible surfaces. Carefully grind cut edges of tile abutting trim, finish, or built-in items for <br /> TILING 093000 - 7 <br />