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American Wood Council
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1997 National Design Specification® (NDS®) for Wood Construction - Commentary


A Commentary on the National Design Specification for Wood Construction was published in 1993. It contains background information concerning the provisions of the NDS complete with historical development, example problems, and tables comparing the 1991 design provisions with earlier editions of the standard. An Addendum to the Commentary was added in 1997 outlining provisions of the 1997 NDS.

The complete NDS Commentary is available as a free download in two formats:

Complete NDS 1997 Commentary document (216 pages, 5.083 Mb) Feb 2004


Technical Questions

To submit a technical question regarding AWC design standards, e-mail: See contact info. for other options.

Parts of NDS 1997 Commentary Document