AWC's 2015 National Design Specification (NDS) for Wood Construction is referenced in US building codes and used to design wood structures worldwide. This article will highlight changes in the 2015 NDS and 2015 NDS Supplement relative to previous editions and provide an overview of the standard. The primary change to the 2015 NDS is incorporation of design provisions for cross-laminated timber (CLT).
Primary Audience: Engineers, Code Officials
- Be familiar with significant changes between the 2012 and 2015 NDS and 2015 NDS Supplement.
- Be aware of updated language relating to Structural Composite Lumber.
- Be familiar with relevant new provisions for Cross-Laminated Timber.
- Be aware of revised language related to withdrawal of fasteners with a tapered tip.
Equivalencies: 1.0 Hours of Instruction = 0.1 Continuing Education Units (CEU) = 1 Professional Development Hours (PDH) = 1 Learning Units (LU)