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7 REINFORCEMENT <br />7.1 DRAWINGS <br />Prints of placement drawings shall be prepared by the Contractor's supplier <br />and reviewed by the Engineer prior to any fabrication of reinforcement <br />bars. <br />' 7.2 FABRICATION <br />7.2.1 BAR CUTTING <br />Bars shall be cut by shearing only. Torch cutting will not be <br />permitted. <br />7.2.2 BAR BENDING <br />Bar bends shall be made in conformance with Chapter 8, ACI 318. <br />All bars will be bent cold. <br />7.3 STRAIGHTENING AND REBENDING <br />Reinforcement shall not be straightened or re-bent in a manner that will <br />injure the material. Bars with kinks or bends not shown on the Drawings <br />shall not be used. Heating of the reinforcement shall be permitted only <br />when the entire operation is authorized by the Engineer. <br />7.4 PACKAGING <br />Bars shall be bundled and tagged in accordance with the Manual of <br />Standard Practice for Reinforced Concrete Construction. <br />7.5 ACCESSORIES <br />Accessories such as bar supports, spacers, and ties shall be furnished and <br />arranged in accordance with the Manual of Standard Practice for <br />Reinforced Concrete Construction. <br />7.6 CLEANING <br />Objectionable coatings on bars, such as paint, oil, grease, dried mud, dried <br />mortar, loose rust, and scale shall be removed by wire brushing, sandblast- <br />ing, wiping with burlap, or other effective means. <br />7.7 PLACING <br />Reinforcement shall be accurately placed and adequately secured in <br />position by concrete chairs, metal chairs, or spacers, and shall conform to <br />the following: <br />7.7.1 MINIMUM SPACING <br />The clear distance between parallel bars shall not be less than the <br />nominal diameter of the bars, one and one-third 11-ti3) times the <br />maximum size of the coarse aggregate, or one-inch (1 "l, whichever <br />is greater. <br />SPEC B -CONCRETE <br />PAGE 11 <br />