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

or, in parts:
Cover, Table of Contents and History (11 pages, 371 Kb) Feb 2004
Part 1 - General Requirements (3 pages, 92 Kb) Feb 2004
Part 2 - Design Values (13 pages, 388 Kb) Feb 2004
Part 3 - Design Provisions (33 pages, 832 Kb) Feb 2004
Part 4 - Sawn Lumber (21 pages, 573 Kb) Feb 2004
Part 5 - Structural Glued Laminated Timber (11 pages, 305 Kb) Feb 2004
Part 6 - Round Timber Piles (4 pages, 116 Kb) Feb 2004
Part 7 - Mechanical Connections (8 pages, 238 Kb) Feb 2004
Part 8 - Bolts (18 pages, 475 Kb) Feb 2004
Part 9 - Lag Screws (9 pages, 238 Kb) Feb 2004
Part 10 - Split Rings (9 pages, 265 Kb) Feb 2004
Part 11 - Wood Screws (7 pages, 198 Kb) Feb 2004
Part 12 - Nails and Spikes (10 pages, 294 Kb) Feb 2004
Part 13 - Metal Connector Plates (1 page, 40 Kb) Feb 2004
Part 14 - Miscellaneous (1 page, 45 Kb) Feb 2004
Part 15 - Special Loading Conditions (9 pages, 266 Kb) Feb 2004
Part 16 - References (14 pages, 311 Kb) Feb 2004
1997 Addendum to the 1991 NDS Commentary (30 pages, 192 Kb) Feb 2004


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