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1 B. Welded Construction: Comply with AWS Code for procedures, appearance, and quality of , <br /> 2 welds, and methods used in correcting welded work. <br /> 3 <br /> a C. Assemble and weld built-up sections by methods which will produce true alignment of aces , <br /> 5 without warp. <br /> 6 <br /> 7 2.05 FASTENERS <br /> 8 <br /> 9 A. General: <br /> 10 <br /> 11 1. For exterior use and where built into exterior walls, provide zinc-coated fasteners, for ' <br /> 12 damp locations provide stainless steel fasteners. <br /> 13 <br /> 14 2. Provide fasteners of type, grade, and class required for the particular use. <br /> 15 <br /> 18 B. Comply with the following standards as pertinent. <br /> 17 <br /> 18 1. Bolts and Nuts: Provide hexagon-head regular type complying with ASTM A307, , <br /> 19 Grade A (Steel); ASTM A320 and A194, Grade B8 (Stainless Steel). <br /> 20 <br /> 21 2. Lag bolts: Provide square-head type complying with Fed, Spec. FF-B-561. <br /> 22 <br /> 23 3. Machine Screws: Provide cadmium plated steel type complying with Fed. Spec. <br /> 24 FF-S-111; except use stainless steel for damp locations or with aluminum. t <br /> 25 <br /> 26 4. Washers: <br /> 27 <br /> 28 a. Plain washers: Comply with Fed. Spec. FF-W-92, round, carbon steel. ' <br /> 29 <br /> 30 b. Lock washers: Comply with Fed. Spec. FF-W-84, helical spring type carbon <br /> 31 steel. <br /> 32 <br /> 33 5. Toggle bolts: Provide type, class, and style needed but complying with Fed. Spec. <br /> 34 FF-S-588. <br /> 35 ' <br /> 3s 37 6. Anchorage devices: Provide expansion shield complying with Fed. Spec. FF-S-325. <br /> 38 2.06 HOLES FOR OTHER WORK ' <br /> 39 <br /> 40 A. Provide holes required for securing other work to metalwork and for passage of other work <br /> 41 as shown on the approved Shop Drawings. <br /> 42 <br /> 43 B. Provide threaded nuts welded to framing, and other specialty items as shown, to receive <br /> 44 other work. <br /> as 'as C. Cut, drill, or punch holes perpendicular to metal surfaces. <br /> 47 <br /> ae D. Do not flame cut holes or enlarge holes by burning. ' <br /> 49 <br /> so E. Drill holes in bearing plates. <br /> 51 <br /> 52 , <br /> METAL FABRICATIONS <br /> 062794 05500-4 ' <br /> 1 <br />