ASTM C139
Full Name
ASTM C139 – Standard Specification for Concrete Masonry Units for Construction of Catch Basins and Manholes
Scope
This specification covers solid precast segmental concrete masonry units made from hydraulic cement, water, and suitable mineral aggregates, with or without the inclusion of other materials.
The units are intended for use in the construction of catch basins and manholes.
Keywords
catch basins; concrete masonry units; manholes; masonry units