Material for reinforcement shall conform to requirements of the Standard Specifications for Billet Steel Bars for Concrete Reinforcement (A.S.T.M. Designation A-15-57T) for structural, intermediate or hard grade; or for Rail Steel Bars for Concrete Reinforcement (A.S.T.M. Designation A-16-57-T) or for Axle Steel Bars for Concrete Reinforcement (A.S.T.M. Designation A-160-57T) or for Cold-Drawn Steel Wire for Concrete Reinforcement (A.S.T.M. Designation A- 82-34) or for Welded Steel Wire Fabric for Concrete Reinforcement (A.S.T.M. Designation A-185-56T). All reinforcement shall be free from rust, scale, oil, paint and other substances which prevent bonding to the concrete. (Ord. 8590)