Several important ASTM standards affecting concrete producers have been updated. This list summarizes some committee announcements recently released.

C1131 – Standard Practice for Least Cost (Life Cycle) Analysis of Concrete Culvert, Storm Sewer, and Sanitary Sewer Systems has been reapproved, available as C1131-95 (2007).

C563 – Standard Test Method for Approximation of Optimum SO3 in Hydraulic Cement Using Compressive Strength has been revised (with title change) to C563-07.

C1646/C1646M – Standard Practice for Making and Curing Test Specimens for Evaluating Frost Resistance of Coarse Aggregate in Air-Entrained Concrete by Rapid Freezing and Thawing is a new standard now available as C1646/C1646M-07.

C478 – Standard Specification for Precast Reinforced Concrete Manhole Sections has been revised to C478-07.

C125 – Standard Terminology Relating to Concrete and Concrete Aggregates has been revised to C125-07.

C128 – Standard Test Method for Density, Relative Density (Specific Gravity), and Absorption of Fine Aggregate has been revised to C128-07.

To view the document summary page on these and other standards, visit www.astm.org. You can quickly access the information by entering the standard designation number in the search engine. You also can telephone 610-832-9585, or e-mail service@astm.org.

New ASTM Work Items

Producer involvement in the ASTM standard development and review process is vital. To learn how to become a committee member and participate in one of these work items, telephone ASTM at 610-832-9585. The staff will direct your request to the appropriate committee chairman.

WK15469 – Standard Specification for Fiber-Reinforced Concrete is a work item revision to existing standard C1116/C116M-06.

WK15489 – Standard Test Method for Water Retention by Concrete Curing Materials is a work item revision to existing standard C156-05.

WK14658 – Standard Specification for Concrete Aggregates is a work item revision to existing standard C33-03.