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American Wood Council
1991-1997 NDS® Commentary - Historical Development

The Commentary on the 1991 National Design Specification for Wood Construction was first published in 1993. It contains background information concerning 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 (dated February 1999), which includes information on 1997 NDS for Wood Construction provisions, is also available online. A Commentary on the 2001 NDS was not developed. The latest 2005 NDS Commentary is available here.

Complete NDS 1997 Commentary document (216 pages, 5 MB) Feb 2004


Errata and addendums that have been developed for AWC documents are available here in PDF format.

June 1995 Errata to the Commentary is also available.

Parts of NDS 1997 Commentary Document
Technical Questions

To submit a technical question regarding AWC design standards, e-mail: info@awc.org.

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