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D . Retain vertical reinforcement in position at top and bottom of cells and at intervals as <br /> indicated on Plans, but not exceeding 64 bar diameters . Splice reinforcement in accordance <br /> with Drawings and ACI 530 . <br /> E. Wet masonry unit surfaces in contact with grout just prior to grout placement. <br /> F . Grout spaces less than 2 inches in width with fine grout using low lift grouting techniques . <br /> Grout spaces 2 inches or greater in width with course grout using high or low lift grouting <br /> techniques . <br /> G . When grouting is stopped for more than one hour, terminate grout 1 - 112 inch below top of <br /> upper masonry unit to form a positive key for subsequent grout placement. <br /> H . High Lift Grouting: Provide cleanout opening no less than 6 inches high at the bottom of <br /> each cell to be grouted by cutting exterior face shell of masonry unit. <br /> 1 . Clean out masonry cells and cavities with high pressure water spray. Permit complete <br /> water drainage . Request the Engineer to inspect the cells and cavities . Allow 2 days <br /> advance notice of inspection . <br /> 2 . After cleaning and cell inspection, seal openings with masonry units. <br /> 3 . Pump grout into spaces. Maintain water content in grout to . intended slump without <br /> aggregate segregation. <br /> 4 . Limit grout lift to 48 inches and rod for grout consolidation. Wait 30 minutes before <br /> placing next lift. <br /> 3 .07 BUILT-IN WORK <br /> A. As work progresses, build in metal door frames, fabricated metal frames, louver block, <br /> anchor bolts, plates, and other items fumished by other Sections . <br /> iB . Build in items plumb and level. <br /> C. Bed anchors of metal door and glazed frames in adjacent mortar joints. Fill frame voids solid <br /> i <br /> with grout. <br /> I <br /> 3 .08 TOLERANCES <br /> A. Maximum Variation from Unit to Adjacent Unit: 1/32 inch. <br /> B . Maximum Variation from Plane of Wall: . 1/4 inch in 10 feet and 1 /2 inch in 20 feet or more. <br /> I <br /> C. Maximum Variation from Plumb : 1 /4 inch per story non-cumulative; 1 /2 inch in two stories <br /> or more. <br /> l D . Maximum Variation From Level Coursing: 1/8 inch in 3 feet and 1/4 inch in 10 feet; 1/2 inch <br /> in 30 feet. <br /> 044572017 <br /> 04340-5 <br /> I <br />