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approval of the Owner. <br />C. INSTALLATION: Before being placed, reinforcing shall be free from loose flaky <br />rust, oil, grease, mud, or other coating, including ice that would reduce or destroy <br />the bond. Reinforcement shall be accurately placed and properly secured in <br />position by precast concrete squares, metal chairs or spacers. The use of heat to <br />bend or straighten reinforcing will be permitted only if the entire operation is <br />approved by the Engineer. Tolerances, spacing, splices, and concrete protection <br />to conform with Chapter 7 and 12 of the ACI 318 Building Code. <br />D. TIES: With the exception of temperature reinforcement, which shall be tied to <br />main steel, reinforcement shall be accurately placed and securely tied at all <br />intersections and splices with 18 gauge black annealed wire, and shall be securely <br />held in position during the placing of concrete by spacers, chairs, squares, or other <br />approved supports. Wire tie ends shall point away from the form. Unless <br />otherwise indicated, the number, type, and spacing of supports shall conform to <br />ACI 315 Manual. <br />E. STIRRUPS: All stirrups, except ties, shall be held in place by two spacer bars <br />extending the full length of the beam or girder. <br />F. SLABS ON GRADE: Reinforcing for re-entrant corners and perimeter steel <br />around the edge of each pouring unit shall be 1/2" diameter (#4) deformed bars. <br />Bars used as dowels in joints shall be 1/2" diameter plain round bars 2' long and <br />spaced on 24" centers, unless otherwise indicated on detailed drawings. <br />3.04 ANCHOR BOLTS: <br />A. MATERIAL: All anchor bolts shall be fabricated with ASTM A307 or A325 <br />steel. Acceptable adhesive anchor bolt systems to be used shall be: <br />HILTI HVU System <br />2. Simpson SET System <br />Powers Fasteners System or an Approved Equal <br />B. INSTALLATION: Anchor bolts shall be set true to the lines and grades shown on <br />the drawings and shall be set plumb. Installation shall be performed in <br />conformance with the requirements and methods recommended by the <br />manufacturer of the adhesive system being used. The installation of the anchor <br />bolts shall be checked prior to the erection of any structural steel. <br />