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<br />Copyright 2002 AlA <br /> <br />MASTERSPEC Short Form <br /> <br />02/02 (R 05/06) <br /> <br />8. Steel Pipe: ASTM A 53/A 53M, standard weight (Schedule 40), unless another weight is <br />indicated or required by structural loads. <br />9. Slotted Channel Framing: Cold-formed metal channels complying with MFMA-3, 1-5/8 <br />by 1-5/8 inches (41 by 41 nml). Channels made from galvanized steel complying with <br />ASTM A 653/A 653M, structural steel, Grade 33 (Grade 230), with G90 (Z275) coating; <br />0.079-inch (2-mm) nominal thickness. <br />10. Cast Iron: ASTM A 48/A 48M, Class 30, unless another class is indicated or required by <br />structural loads. <br /> <br />C. Nonferrous Metals: <br /> <br />1. Aluminum Extrusions: ASTM B 221 (ASTM B 221 M), alloy 6063- T6. <br />2. Aluminum-Alloy Rolled Tread Plate: ASTM B 632/B 632M, alloy 606l-T6. <br />3. Aluminum Castings: ASTM B 26/B 26M, Alloy 443.0-F. <br /> <br />2.3 FASTENERS <br /> <br />A. General: Type [304] [316] stainless-steel fasteners for exterior use and zinc-plated fasteners <br />with coating complying with ASTM B 633, Class FelZn 5, at exterior walls. Provide stainless- <br />steel fasteners for fastening aluminum. Select fasteners for type, grade, and class required. <br /> <br />B. Cast-in-Place Anchors in Concrete: Threaded or wedge type; galvanized ferrous castings, either <br />ASTM A 47/A 47M malleable iron or ASTM A 27/A 27M cast steel. Provide bolts, washers, <br />and shims as needed, hot-dip galvanized per ASTM A l53/A 153M. <br /> <br />2.4 MISCELLANEOUS MATERIALS <br /> <br />A. Universal Shop Primer: Fast-curing, lead- and chromate-free, universal modified-alkyd primer <br />complying with MPI #79. <br /> <br />B. Zinc-Rich Primer: Complying with SSPC-Paint 20 or SSPC-Paint 29 and compatible with <br />topcoat. <br /> <br />1. [Available ]Products: <br /> <br />a. Benjamin Moore & Co.; Epoxy Zinc-Rich Primer CM18/19. <br />b. Carboline Company; Carbozinc 621. <br />c. ICI Devoe Coatings; Catha-Coat 313. <br />d. International Coatings Limited; Interzinc 315 Epoxy Zinc-Rich Primer. <br />e. PPG Architectural Finishes, Inc.; Aquapon Zinc-Rich Primer 97-670. <br />f. Sherwin-Williams Company (The); Corothane I GalvaPac Zinc Primer. <br />g. Tnemec Company, Inc.; Tneme-Zinc 90-97. <br />h. <Insert manufacturer's name; product name or designation.> <br /> <br />C. Galvanizing Repair Paint: SSPC-Paint 20, high-zinc-dust-content paint for regalvanizing welds <br />in steel. <br /> <br />D. Nonshrink, Nonmetallic Grout: Factory-packaged, nonstaining, noncorrosive, nongaseous grout <br />complying with ASTM C 1107. <br /> <br />METAL FABRICATIONS <br /> <br />05500 - 3 <br />