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SAMSON OCEANFRONT PARK <br />CITY OF SUNNY ISLES <br />TECHNICAL SPECIFICATIONS <br />UNIT MASONRY 040500-5 <br /> maximum. <br />5. Exposed Faces: Manufacturer's standard color and texture, unless otherwise indicated. <br /> <br />D. Hollow Load Bearing Concrete Masonry Units: ASTM C 90, Grade N and as follows: <br />1. Size: Manufacturer's standard units with nominal face dimensions of 16 inches long by 8 <br /> inches high 15-5/8" x 7-5/8" actual) by thickness indicated. <br />2. Weight Classification: As listed to receive UL rating of 2-hour minimum, 4-hour <br /> maximum. <br />3. Exposed Faces: Manufacturer's standard color and texture, center scored and split face <br /> block. <br /> <br />E. Hollow Load-Bearing Concrete Masonry Units: ASTM C90, Grade N, Type I moisture-controlled <br />units, and as follows: <br />1. Size: Manufacturer's standard units with nominal face din1ensions of 16 inches long by 8 <br /> inches high (15%" x 75!8" actual) by thickness indicated, At some areas, as indicated, <br /> provide units that are "half' height units (35!8" actual), <br />2. Weight Classification: As listed to receive UL rating of 2-hour minin1um, 4-hour <br /> maxin1um. <br />3. Exposed Faces: Manufacturer's standard color and texture, unless otherwise indicated. <br /> <br />2.03 <br /> <br />CONCRETE BLOCK (CMU) INSULA TION: <br />A. Furnish foamed-in-place block insulation to completely fill all cavities in single wythe concrete <br />masonry exterior walls that do not contain grout and at interior concrete masonry walls as <br />indicated and where required to achieve 3-hour or other fire ratings. <br />B. Foam material requirements: Non-combustible with the following characteristics: Flame Spread = <br />0; Smoke Developed = 5; Fuel Contribution = 0. <br />C. Thermal Values Requirements: <br />1. 8" CMU bock/ 60 lbs. Density R=14.2 <br /> U=0.07 <br />2. 8" CMU block/ 100 lbs. Density R=9.1 <br />U=0.10 <br />2. 12" CMU block/ 60 lbs. Density R=20.0 <br /> U=0.05 <br />3. 12" CMU block/ 100 lbs. Density R=12.5 <br /> U=0.08 <br />D. Provide insulation where noted herein and as shown on Drawings. <br />1. Single wythe exterior walls, one side exposed to weather. <br />2. Single wythe interior walls that may extend above the roof, one or both sides exposed to <br /> the weather. Install only at and above point of roof insulation. " <br /> <br />2.04 REINFORCING STEEL <br /> <br /> <br />A. Steel Reinforcing Bars: Billet steel complying with ASTM A615, Grade 60 <br />B. Plain Welded Wire Fabric: ASTM A185 <br /> <br />2.05 <br /> <br />JOINT REINFORCEMENT <br />A. General: Provide joint reinforcement, wall ties, and anchors complying with requirements of this <br />article, formed from the following: <br />1. At exterior masonry walls and at locations where masonry is in contact with the earth use <br /> hot-dip galvanized (1.50 oz. psf) steel wire, ASTM A153, Class B-2 for zinc coating <br /> applied after prefabrication of units. <br />2. At interior locations not in contact with the earth use mill galvanized steel wire, ASTM <br /> A641, Class I. <br />