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CONCRETE UNIT MASONRY <br />04 22 00 - 9 <br />3. Maintain a clear distance between parallel anchor bolts not less the diameter of the <br />anchor bolt, nor less than 1 in. <br />3.7 GROUTING <br />A. Comply with grout placement requirements in TMS 602/ACI 530.1/ASCE 6 Article 3.5. <br />B. Place grout within 1 1/2 hr. from introducing water in the mixture and prior to initial set. <br />1. Discard field-mixed grout that does not meet specified slump without adding water after <br />initial mixing. <br />2. For transit-mixed grout: <br />a. Addition of water is permitted at time of initial discharge to adjust consistency to a <br />slump between 8 and 11 in. <br />b. Discard transit-mixed grout that does not meet specified slump without adding <br />water, other than as allowed in 3.7 B. 2.a above. <br />c. Transit-mixed grout may be used beyond the time limit as long as it meets the <br />specified slump. <br />C. Grout pour height: do not exceed maximum grout pour height as given in TMS 602/ACI <br />530.1/ASCE 6 Table 7, or as otherwise specified. <br />D. Grout lift height: <br />1. Conventional grout: <br />a. Limit the grout lift height to the bottom of the lowest bond beam more than 5 ft. 4 <br />in. above the bottom of the lift, but do not exceed a grout lift height of 12 ft. 8 in. <br />when the following conditions are met: <br />1) The masonry has cured for a minimum of 4 hours. <br />2) Grout slump is maintained between 10 and 11 in. <br />b. When 3.7 E.1.a.1) or 2) above are not met, limit grout lift height to 5 ft. 4 in. <br />2. Self-consolidating grout: <br />a. When placed in masonry that has cured for a minimum 4 hours, place in lifts up to <br />the grout pour height. <br />b. When placed in masonry with less than 4 hours of cure, place in lifts not exceeding 5 <br />ft. 4 in. <br />E. Grout consolidation: <br />1. Conventional grout: <br />a. Consolidate grout pours 12 in. or less by mechanical vibration or puddling. <br />b. Consolidate grout pours exceeding 12 in. by mechanical vibration, and reconsolidate <br />after initial water loss and settlement has occurred. <br />2. Self-consolidating grout: consolidation or reconsolidation is not required. <br />3.8 FIELD QUALITY CONTROL