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B. Mortar and grout for reinforced masonry. ASTM C476. <br />C. Grout fill for masonry 3000 psi strength at 28 days; 7"-8" slump; premixed type in <br />accordance with ASTM C94. <br />A. Thoroughly mix mortar ingredients in quantities needed for immediate use in accordance <br />with ASTM C270 or C476- If water is lost by evaporation, retemper within 1'/2 hours of <br />mixing. Do not retemper mortar after 1'/Z hours of mixing. <br />PART 3 - EXECUTION <br />3.01 EXAMINATION <br />A. Verify that field conditions are acceptable and are ready to receive work. <br />B. Verify items provided by other Sections of work are properly sized and located. <br />C. Verify that built-in items are in proper location, and ready for roughing into masonry work. <br />D. Beginning of installation means installer accepts existing conditions. <br />3.02 COURSING <br />A Establish lines, levels, and coursing indicated. Protect from displacement. <br />B. Maintain masonry courses to uniform dimension. Form vertical and horizontal joints of <br />uniform thickness. <br />C. Lay concrete masonry units in running bond. Course one unit and one mortar joint to equal <br />inches. Form bagged joints on exposed interior surfaces. <br />3.03 PLACING AND BONDING <br />A. Lay hollow masonry units with full face shell bedding on head and bed joints. <br />B. Buttering corners of joints or excessive fiurowing of mortar joints are not permitted. <br />C. Remove excess mortar as Work progresses. <br />intersectionsD. Interlock external comers and a otherwisenoted on the Plans). <br />removeE, Do not shift or tap masonry umts after mortar has achieved untial seL Where adjustment <br />must be made, ► i ► . <br />044572017 <br />04340-3 <br />