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2 . 3 FASTENERS <br /> A. General: Unless otherwise indicated, provide Type 316 stainless-steel fasteners for exterior use and zinc- <br /> plated fasteners with coating complying with ASTM B 633 or ASTM F 1941 (ASTM F 1941M), <br /> Class Fe/Zn 5 , at exterior walls . Select fasteners for type, grade, and class required. <br /> 1 . Provide stainless-steel fasteners for fastening aluminum. <br /> 2 .4 MISCELLANEOUS MATERIALS <br /> A. Epoxy Zinc-Rich Primer: Complying with MPI#20 and compatible with topcoat. <br /> 2 . 5 FABRICATION, GENERAL <br /> A. Shop Assembly: Preassemble items in the shop to greatest extent possible . Disassemble units only as <br /> necessary for shipping and handling limitations. Use connections that maintain structural value of joined <br /> pieces. Clearly mark units for reassembly and coordinated installation. <br /> B . Cut, drill, and punch metals cleanly and accurately. Remove burrs and ease edges to a radius <br /> of <br /> approximately 1 /32 inch ( 1 mm) unless otherwise indicated. Remove sharp or rough areas on exposed <br /> surfaces. <br /> C. Form bent-metal comers to smallest radius possible without causing grain separation or otherwise <br /> impairing work. <br /> D . Form exposed work with accurate angles and surfaces and straight edges. <br /> E. Weld corners and seams continuously to comply with the following: <br /> 1 . Use materials and methods that minimize distortion and develop strength and corrosion resistance <br /> of base metals . <br /> 2 . Obtain fusion without undercut or overlap. <br /> 3 . Remove welding flux immediately. <br /> 4 . At exposed connections, fmish exposed welds and surfaces smooth and blended so no roughness <br /> shows after finishing and contour of welded surface matches that of adjacent surface. <br /> F . Form exposed connections with hairline joints, flush and smooth, using concealed fasteners or welds <br /> where possible . Where exposed fasteners are required, use Phillips flat-head (countersunk) fasteners <br /> unless otherwise indicated. Locate joints where least conspicuous . <br /> G. Fabricate seams and other connections that will be exposed to weather in a manner to exclude water. <br /> Provide weep holes where water may accumulate . <br /> H. Cut, reinforce, drill, and tap metal fabrications as indicated to receive finish hardware, screws, and similar <br /> items. <br /> I. Provide for anchorage of type indicated; coordinate with supporting structure . Space anchoring devices <br /> to secure metal fabrications rigidly in place and to support indicated loads . <br /> Wabasso Beach Park 05500 - 3 <br /> Indian River County <br /> DAA Project No. 6008 <br />