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CONCRETE UNIT MASONRY <br />04 22 00 - 6 <br />A. Mortar: <br />1. Mix SPEC MIX Masonry Mortar preblended factory mix per manufacturer's <br />recommendations. <br />B. Conventional grout: <br />1. Mix grout to a consistency that has a slump between 8 and 11 inches per TMS 602/ACI <br />530.1/ASCE 6 Article 2.6 B. <br />C. Self-consolidating grout: <br />1. Job-site proportioning of self-consolidating grout is not permitted. <br />2. Do not add water at the job site except in accordance with the manufacturer's <br />recommendations. <br />2.7 Fabrication <br />A. Fabricate reinforcement per TMS 602/ACI 530.1/ASCE 6 Article 2.7 A. <br />PART 3 - EXECUTION <br />3.1 EXAMINATION <br />A. Prior to the start of masonry installation, verify all conditions pertinent to the performance of <br />work in this Section are acceptable. <br />1. Verify foundations are constructed within a level alignment tolerance of ± 1/2 in. <br />2. Verify that reinforcing dowels are positioned in accordance with Project Drawings. <br />B. Proceed with masonry work only after unsatisfactory conditions have been corrected. <br />3.2 PREPARATION <br />A. Clean reinforcement and shanks of anchor bolts by removing mud, oil, or other materials that <br />will adversely affect bond to mortar or grout. <br />1. Reinforcement with rust and/or mill scale is acceptable provided attributes of a cleaned <br />sample are in accordance with the applicable ASTM specification. <br />B. Prior to laying masonry, remove laitance, loose aggregate, and any other material that would <br />prevent mortar from bonding to the foundation. <br />C. Do not wet units before laying, unless otherwise required. Wet cutting is permitted. <br />D. Cut units as required to fit; use motor-driven masonry saw. Install cut units with cut surfaces <br />concealed as much as possible.