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CHAPEL HILL ORANGE COUNTY VISITORS BUREAU August 12, 2020 <br />308 WEST FRANKLIN, CHAPEL HILL, NC <br /> <br />SIGNAGE 101400 - 4 <br />2.2 ACCESSORIES <br />A. Anchors and Inserts: Provide nonferrous-metal or hot-dip galvanized anchors and inserts for <br />exterior installations and elsewhere as required for corrosion resistance. Use toothed steel or <br />lead expansion-bolt devices for drilled-in-place anchors. Furnish inserts, as required, to be set <br />into concrete or masonry work. <br />2.3 FABRICATION <br />A. General: Provide manufacturer's standard signs of configurations indicated. <br />1. Welded Connections: Comply with AWS standards for recommended practices in shop <br />welding. Provide welds behind finished surfaces without distortion or discoloration of <br />exposed side. Clean exposed welded surfaces of welding flux and dress exposed and <br />contact surfaces. <br />2. Mill joints to tight, hairline fit. Form joints exposed to weather to exclude water <br />penetration. <br />3. Preassemble signs in the shop to greatest extent possible. Disassemble signs only as <br />necessary for shipping and handling limitations. Clearly mark units for reassembly and <br />installation, in location not exposed to view after final assembly. <br />4. Conceal fasteners if possible; otherwise, locate fasteners where they will be <br />inconspicuous. <br />2.4 FINISHES, GENERAL <br />A. Comply with NAAMM's "Metal Finishes Manual for Architectural and Metal Products" for <br />recommendations for applying and designating finishes. <br />B. Protect mechanical finishes on exposed surfaces from damage by applying a strippable, <br />temporary protective covering before shipping. <br />C. Appearance of Finished Work: Variations in appearance of abutting or adjacent pieces are <br />acceptable if they are within one-half of the range of approved Samples. Noticeable variations <br />in the same piece are not acceptable. Variations in appearance of other components are <br />acceptable if they are within the range of approved Samples and are assembled or installed t o <br />minimize contrast. <br />2.5 ALUMINUM FINISHES <br />A. Baked-Enamel Finish: AA-C12C42R1x (Chemical Finish: cleaned with inhibited chemicals; <br />Chemical Finish: acid-chromate-fluoride-phosphate conversion coating; Organic Coating: as <br />specified below). Apply baked enamel complying with paint manufacturer's written instructions <br />for cleaning, conversion coating, and painting. <br />1. Organic Coating: Thermosetting, modified-acrylic enamel primer/topcoat system <br />complying with AAMA 2603 except with a minimum dry film thickness of 1.5 mils (0.04 <br />mm), medium gloss. <br />DocuSign Envelope ID: 775B89AF-3514-4D9E-B148-2FDE4EFF16C2