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40-27 BUILDING <br />BRPH ARCHITECTS -ENGINEERS, INC. <br />J. Lock Washers: Helical, spring type, ASME B18.21.1. <br />METAL FABRICATIONS I <br />K. 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 imposed <br />when installed in concrete, as determined by testing according to ASTM E 488, <br />conducted by a qualified independent testing agency. ' <br />L. Post -Installed Anchors: Chemical anchors. <br />1. Material for Interior Locations: Carbon -steel components zinc plated to comply ' <br />with ASTM B 633 or ASTM F 1941, Class Fe/Zn 5, unless otherwise indicated. <br />2.5 <br />A <br />B <br />C <br />D <br />MISCELLANEOUS MATERIALS <br />Welding Rods and Bare Electrodes: Select according to AWS specifications for metal <br />alloy welded. <br />Shop Primers: Provide primers that comply with Division 09 painting Sections. <br />Galvanizing Repair Paint: High -zinc -dust -content paint complying with SSPC-Paint 20 <br />and compatible with paints specified to be used over it. <br />Bituminous Paint: Cold -applied asphalt emulsion complying with ASTM D 1187. <br />E. Nonshrink, Nonmetallic Grout: Factory -packaged, nonstaining, noncorrosive, <br />nongaseous grout complying with ASTM C 1107. Provide grout specifically <br />recommended by manufacturer for interior and exterior applications. <br />F. Concrete: Comply with requirements in Division 03 Section "Cast -in -Place Concrete" <br />for normal -weight, air -entrained, concrete with a minimum 28-day compressive <br />strength of 4000 psi. <br />2.6 FABRICATION, GENERAL <br />A. Shop Assembly: Preassemble items in the shop to greatest extent possible. <br />Disassemble units only as necessary for shipping and handling limitations. Use <br />connections that maintain structural value of joined pieces. Clearly mark units for <br />reassembly and coordinated installation. <br />B. Cut, drill, and punch metals cleanly and accurately. Remove burrs and ease edges to <br />a radius of approximately 1/32 inch unless otherwise indicated. Remove sharp or <br />rough areas on exposed surfaces. <br />C. Form bent -metal corners to smallest radius possible without causing grain separation <br />or otherwise impairing work. <br />D. Form exposed work with accurate angles and surfaces and straight edges. <br />C06922.001.00 05 50 00 - 4 <br />05-22-14 , <br />