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<br />Copyright 2004 AIA <br /> <br />MASTERSPEC Short Form <br /> <br />05/04 (R 05/06) <br /> <br />a. Gradation: [Uniformly graded] [Gap graded] [To match design reference <br />sample] . <br /> <br />2. Face-Mixture-Fine Aggregates: Selected, natural or manufactured sand of same material <br />as coarse aggregate, unless otherwise approved by Architect. <br /> <br />D. Coloring Admixture: ASTM C 979, synthetic or natural mineral-oxide pigments or colored <br />water-reducing admixtures, temperature stable, and nonfading. <br /> <br />E. Air-Entraining Admixture: ASTM C 260, certified by manufacturer to be compatible with other <br />required admixtures. <br /> <br />F. Chemical Admixtures: Certified by manufacturer to be compatible with other admixtures and <br />to not contain calcium cWoride, or more than 0.15 percent cWoride ions or other salts by weight <br />of admixture. <br /> <br />2.3 STEEL CONNECTION MATERIALS <br /> <br />A. Carbon-Steel Shapes and Plates: ASTM A 36/ A 36M. <br /> <br />B. Carbon-Steel Headed Studs: ASTM A 108, AISII018 through AISI1020, cold fmished, <br />AWS D1.1/D1.1M, Type A or B, with arc shields and with minimum mechanical properties of <br />PCI MNL 117, Table 3.2.3. <br /> <br />C. Carbon-Steel Plate: ASTM A 283/ A 283M. <br /> <br />D. Malleable Iron Castings: ASTM A 47/A 47M. <br /> <br />E. Carbon-Steel Castings: ASTM A 27/A 27M, Grade 60-30 (Grade 415-205). <br /> <br />F. High-Strength, Low-Alloy Structural Steel: ASTM A 572/A 572M. <br /> <br />G. Carbon-Steel Structural Tubing: ASTM A 500, Grade B. <br /> <br />H. Wrought Carbon-Steel Bars: ASTM A 675/A 675M, Grade 65 (Grade 450). <br /> <br />1. Deformed-Steel Wire or Bar Anchors: ASTM A 496 or ASTM A 706/ A 706M. <br /> <br />J. Carbon-Steel Bolts and Studs: ASTM A 307, Grade A (ASTM F 568M, Property Class 4.6); <br />carbon-steel, hex-head bolts and studs; carbon-steel nuts, ASTM A 563 (ASTM A 563M); and <br />flat, unhardened steel washers, ASTM F 844. <br /> <br />K. High-Strength Bolts and Nuts: ASTM A 325 (ASTM A 325M), Type 1, heavy hex steel <br />structural bolts; heavy hex carbon-steel nuts, ASTM A 563 (ASTM A 563M); and hardened <br />carbon-steel washers, ASTM F 436 (ASTM F 436M). <br /> <br />L. Zinc-Coated Finish: For exterior steel items[, steel in exterior walls,] and items indicated for <br />galvanizing, apply zinc coating by [hot-dip process according to ASTM A 123/ A 123M or <br />ASTM A 153/A 153M] [electrodeposition according to ASTM B 633, SC 3, Types I and 2]. <br /> <br />ARCHITECTURAL PRECAST CONCRETE <br /> <br />03450 - 4 <br />