FARMINGTON HILLS, Mich. — The American Concrete Institute (ACI) has released its 2013 edition of the Manual of Concrete Practice (MCP). The MCP contains all of the ACI documents needed to answer questions about code requirements, specifications, tolerances, concrete proportions, construction methods, evaluation of test results, and many more topics. It also includes the 2011 version of ACI 318, Building Code Requirements for Structural Concrete and Commentary. The MCP is available in hard copy, which contains six books and a separate index, CD-ROM, USB, and online versions. For more information, visit