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1 ----•- <br /> a. Concrete Masonry Units: Manufactured to specified dimensions of 3/8 <br /> ' inch less than nominal widths by noininal heights by nominal lengths <br /> indicated on drawings. <br /> 1. Provide Type I,moishue-eenlrolled units. <br /> � 2. Provide Type II,non-moisture-controlled units. <br /> 3. Exposed Faces: Manufacturer's standard color and texture, <br /> unless otherwise indicated. <br /> ' B. Hollow Load-Bearing Conorete Masonry Units: ASTM C 90, Grade N and as follows: <br /> 1. Unit Compressive Strength: Provide units with minimum average net area <br /> � compressive strength indicated below: <br /> a. 1900 psi. <br /> , b. Not less than the unit compressive strengths rec}uired ta prociuce concrete <br /> unit masonry construction of compressive strength indicated. <br /> 1 Weight Classification: Normal weight. <br /> � C. Salid Load-Bearing Concrete Masonry Units: ASTM C i45,Grade N and as follows: <br /> � 1. Unit Compressive Strength: Provide einits with minimum average net area <br /> comgressive strength indicated below: <br /> a. 1800 psi. <br /> � b. Not less than the unit compressive strengths required to produce concrete <br /> uni#masonry construction of compressive strength indicated. <br /> � 1. Weight Classification: Normal weigh�. <br /> 2.2 MORTAR AND GROUT MATERYALS <br /> � A. Portland Cement: ASTM C 150, Type i or II, except Type III may be used for cold- <br /> weather construction. Provide natural color or white cement as required to produce <br /> required mortar color. <br /> � B. Masonry Cemen� ASTM C 91. <br /> C. Water. Clean and potable. <br /> I2.3 REINFQRCING STEEL <br /> � A. General: Provide reinforcing steel complying with requirements of referenced unit <br /> masonry standazd and this article. <br /> � B. Steel Reinforcing Bars: Material and grade as follows: <br /> � 1. Billet steel complying with ASTM A 615. <br /> 2. Grade 60. <br /> � C. Plain Welded Wire Fabric: ASTM A 185. <br /> 2.4 JOINT REINFORCEMENT <br /> ' A. Generai: Provide joint reinforcemen# complying with requ'vrements of referenced unit <br /> masonry srtanciard and this article,formed from the following: <br /> � 1. Galvanized carbon steel wire, coating class as required by referenced unit <br /> ' UNI'f MASUNRY Page 3 of 6 <br />