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ORNAMENTAL METAL FENCING - <br />MECHANICALLY FASTENED <br />Section 02446 <br />15-1207 <br />E. The manufactured galvanized panels, gates and posts shall be subjected to an in-line <br />electrodeposition coating (E -Coat) consisting of a multi -stage pretreatment/wash (with zinc <br />phosphate) followed by a duplex application of epoxy primer and an acrylic topcoat to create <br />a total coating thickness of 2 -mils. The color shall be as selected by the Architect between <br />either black or bronze. The coated components shall be capable of meeting the performance <br />requirements for each quality characteristic shown in the table below: <br />Coating Performance Requirements <br />Quality <br />ASTM Test <br />Performance Requirements <br />h_aractenstics <br />Method <br />Adhesion <br />D3359 — MethodAdhesion <br />(Retention of Coating) over 90% of test area (Tape <br />B <br />;and knife test). <br />Corrosion <br />B117, D714 & <br />_ <br />Corrosion Resistance over 1,500 hours (Scribed per D1654; <br />Resistance <br />D1654 <br />failure mode is accumulation of 1/8" coating loss from scribe or <br />;medium #8 blisters). <br />Impact <br />D2794 <br />'Impact Resistance over 60 inch Ib. (Forward impact using <br />Resistance <br />0.625" ball). <br />Weathering <br />_ _ <br />D822, D2244, <br />;Weathering Resistance over 1,000 hours (Failure mode is 60% <br />Resistance <br />D523(600 <br />;loss of gloss or color variance of more than 3 delta -E color <br />Method) <br />units). <br />PART 3 - EXECUTION <br />3.01 INSPECTION <br />A. Examine the conditions under which the fencing is to be installed and advise the General <br />Contractor of any conditions detrimental to the proper and timely completion of the work. <br />Work shall not proceed until unsatisfactory conditions have been corrected in a manner <br />acceptable to the Installer. <br />B. The installer shall take field measurements for this work and notify the Architect of any <br />discrepancies between plan and field dimensions. <br />3.02 INSTALLATION <br />A. General: Install mechanically fastened metal fencing system in accordance with <br />manufacturer's requirements, industry standard and best practices. <br />B. Upon receipt at job site, all materials shall be checked to ensure that no damage occurred <br />during handling or shipping. Contractor shall repair or replace material at no additional cost <br />to the Owner. <br />C. Fence posts shall be set in accordance with the spacing recommended by the manufacturer. <br />D. Panels shall be attached to posts with brackets as supplied by the manufacturer. <br />E. Gate posts shall be spaced according to the gate openings specified in the plans. <br />M <br />