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F. Perform job site cutting of masonry units with proper tools to provide straight, clean, <br /> unchipped edges . Prevent broken <br /> masonry unit corners or edges. <br /> G. Mortar joints shall be full between unit face shells. No gaps in mortar joints are permitted. <br /> All gaps shall be corrected and filled as work progresses . <br /> 3 .04 REINFORCEMENT AND ANCHORAGES - REINFORCED UNIT MASONRY <br /> A . Install horizontal joint reinforcement 16 inches on center . <br /> B . Place masonry joint reinforcement in first horizontal joints above and below openings _ <br /> Extend minimum 24 inches each side of opening . <br /> C . Lap joint reinforcement ends minimum 6 inches . Extend minimum 24 inches each side of <br /> openings without lap joints. <br /> D . Support and secure reinforcing bars from displacement. Maintain position within 1 /2 inch of <br /> dimensioned position . <br /> E. Anchors: 24 inches oc where unit masonry abuts existing masonry and concrete. <br /> F. Wall ties : Bond intersecting interior walls with wall ties at each course (where continuous <br /> reinforcing is not provided). <br /> 3 .05 LINTELS <br /> A. Install precast concrete lintels over window openings, louver openings, door openings and <br /> pipe openings as required. <br /> Be Maintain minimum 6 inch bearing on each side of opening. <br /> 3 .06 ENGINEERED MASONRY <br /> A. Lay masonry units with core cells vertically aligned and cavities between wythes clear of <br /> mortar and unobstructed. <br /> Be Place mortar in masonry unit bed joints back 1/4 inch from edge of unit grout spaces, bevel <br /> back and upward. Permit mortar to cure 7 days before placing grout, <br /> C. Reinforce masonry unit cores and cavities with reinforcement bars and grout as indicated <br /> below (unless otherwise noted on the Plans) . <br /> 1 . First cell of blocks abutting joints of door frames. <br /> 2. One cell at free end of partitions and walls. <br /> 3 . At bearing points, fill masonry cells with grout minimum one cell. <br /> 044572017 <br /> 04340-4 <br />