This specification covers spun cast prestressed concrete bases used in tapered steel lighting poles. It provides requirements for acceptability of spun prestressed concrete bases produced in accordance with this specification, materials, bending test procedures, tolerances, and drawings. The requirements also cover inspection with respect to the quality of materials, the process of manufacture, and the finished bases.

1.1 This specification covers spun cast prestressed concrete bases used in lighting structures.

1.2 Units—The values stated in SI units are to be regarded as standard.