Historical
ASTM C478M-15
Standard Specification for Circular Precast Reinforced Concrete Manhole Sections (Metric)
1.1 This specification covers the manufacture and purchase requirements of products used for the assembly and construction of circular vertical precast reinforced concrete manholes and structures used in sewer, drainage, and water works.
1.2 Part I, Sections 1 – 11, of this specification presents general requirements and requirements which are common to each precast concrete product covered by this specification.
ASTM International [astm]