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Gateway Park Center PERKINS+WILL <br /> 810495.000 <br /> 12/06/18 <br /> <br /> <br />METAL FABRICATIONS <br /> 05 50 00 - 4 <br /> <br /> <br />C. Steel Bolts and Nuts: Regular hexagon-head bolts, ASTM A 325, Type 3; with hex <br />nuts, ASTM A 563, Grade C3; and, where indicated, flat washers. <br />D. Stainless-Steel Bolts and Nuts: Regular hexagon-head annealed stainless-steel <br />bolts, ASTM F 593; with hex nuts, ASTM F 594; and, where indicated, flat washers; <br />Alloy Group 1. <br />E. Anchor Bolts: ASTM F 1554, Grade 36, of dimensions indicated; with nuts, <br />ASTM A 563; and, where indicated, flat washers. <br />1. Hot-dip galvanize or provide mechanically deposited, zinc coating where item <br />being fastened is indicated to be galvanized. <br />F. Anchors, General: Anchors capable of sustaining, without failure, a load equal to six <br />times the load imposed when installed in unit masonry and four times the load <br />imposed when installed in concrete, as determined by testing according to <br />ASTM E 488/E 488M, conducted by a qualified independent testing agency. <br />G. Post-Installed Anchors: Torque-controlled expansion anchors or chemical anchors. <br />1. Material for Interior Locations: Carbon-steel components zinc plated to <br />comply with ASTM B 633 or ASTM F 1941, Class Fe/Zn 5, unless otherwise <br />indicated. <br />2. Material for Exterior Locations and Where Stainless Steel Is Indicated: Alloy <br />Group 1 stainless-steel bolts, ASTM F 593, and nuts, ASTM F 594. <br />H. Slotted-Channel Inserts: Cold-formed, hot-dip galvanized-steel box channels <br />(struts) complying with MFMA-4, 1-5/8 by 7/8 inches by length indicated with <br />anchor straps or studs not less than 3 inches long at not more than 8 inches o.c. <br />Provide with temporary filler and tee-head bolts, complete with washers and nuts, <br />all zinc-plated to comply with ASTM B 633, Class Fe/Zn 5, as needed for fastening <br />to inserts. <br />2.4 MISCELLANEOUS MATERIALS <br />A. Shop Primers: Provide primers that comply with Section 09 91 23 Interior <br />Painting," and Section 09 96 00 "High-Performance Coatings." <br />B. Epoxy Zinc-Rich Primer: Complying with MPI#20 and compatible with topcoat. <br />C. Shop Primer for Galvanized Steel: Primer formulated for exterior use over zinc - <br />coated metal and compatible with finish paint systems in dicated. <br />D. Galvanizing Repair Paint: High-zinc-dust-content paint complying with SSPC- <br />Paint 20 and compatible with paints specified to be used over it. <br />E. Bituminous Paint: Cold-applied asphalt emulsion complying with <br />ASTM D 1187/D 1187M. <br />F. Nonshrink, Nonmetallic Grout: Factory-packaged, nonstaining, noncorrosive, <br />nongaseous grout complying with ASTM C 1107/C 1107M. Provide grout specifically <br />recommended by manufacturer for interior and exterior applications.