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b. Number 14 or 18 bars. <br />1) Meet ninety degrees (90°) bend at sixty degrees Fahrenheit (60° F.) minimum <br />temperature without cracking when bent around a pin diameter equal to ten (10) <br />times nominal bar diameter. <br />3. Grade. <br />a. ASTM A615, Grade 60. <br />b. Unless noted otherwise on the Drawings. <br />B. Tie Wire. <br />1. Annealed steel, ASTM A510, sixteen (16) gauge minimum. <br />2. Nylon, epoxy, or plastic -coated wire for use with epoxy coated rebar. <br />C. Bar Supports. <br />1. Conform to 'Bar Support Specifications", CRSI Manual of Standard Practice. <br />2. Where concrete surface will be exposed to weather, the portions of the supports or <br />accessories within one-half inch (%2") of the concrete surface shall be non -corrosive or <br />protected against corrosion (epoxy covered). <br />3. Plastic bar supports are not allowed. <br />D. Fabrication. <br />1. Shall be in accordance with CRSI Manual of Standard Practice except for the <br />allowable tolerances specified herein in 1.2.13. and as modified below. <br />a. No plus or minus (f) tolerance shall be allowed for rebar fabricated with multiple <br />bends. <br />b. Rebar with multiple bends shall be fabricated such that concrete coverage specified <br />herein or as otherwise indicated in the Specifications or the Drawings shall be <br />maintained. <br />c. Bend all bars cold. <br />2.2 WELDED WIRE FABRIC <br />A. Welded Wire Fabric. <br />1. Plain wire ASTM A185 or Deformed Wire A497. <br />2. Furnish flat sheets only, rolled sheets not permitted. <br />Concrete Reinforcement February 2017 03200-3 <br />