The 2018 International Building Code (IBC) published by the International Code Council and the National Design Specification® (NDS) for Wood Construction published by the American Wood Council are both now available. This presentation will provide an overview of the significant changes to wood design and construction provisions relative to previous editions and include design examples. Most of the changes in the NDS are a result of the adoption of the ASCE/SEI Standard 7-16 Minimum Design Loads and Associated Criteria for Buildings and Other Structures which includes increased wind loads.

Level: Intermediate
Primary Audience: Engineers, Code Officials

Learning Objectives

1. Identify changes in the 2018 IBC and NDS
2. Identify wind load increases in ASCE 7-16 that affect wood design and construction
3. Identify new fastener provisions developed to address increased wind loads
4. Design nails for withdrawal and head pull-through to resist new wind loads

Equivalencies: 2.0 Hour of Instruction = 0.2 Continuing Education Units (CEU) = 2.0 Professional Development Hours (PDH) = 2.0 Learning Units (LU)

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The addition of cross-laminated timber (CLT) to AWC’s National Design Specification® (NDS®) and upcoming changes in the 2021 International Building Code (IBC) has given engineers exciting design options never before available in US building codes and standards. New provisions were introduced for CLT connection design in the 2015 edition of the NDS and clarified in the 2018 edition. This presentation will provide background on relevant NDS provisions governing structural design of connections for CLT members, present a design example, and discuss fire protection requirements specified in NDS and AWC’s newly updated Technical Report 10 – Calculating the Fire Resistance of Wood Members and Assemblies (TR10).

Learning Objectives: 

1. Recognize relevant NDS provisions for designing CLT connections
2. Utilize requirements for using non-standard fasteners in conjunction with the 2018 IBC
3. Calculate fastener capacity in shear and withdrawal for CLT connections
4. Describe fire protection requirements for CLT connections

Equivalencies: 1 Hour of Instruction = 0.1 Continuing Education Units (CEU) = 1 Professional Development Hours (PDH) = 1 Learning Units (LU)

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This presentation will provide an overview of the significant changes for wood design per AWC's National Design Specification® (NDS) for Wood Construction. The 2018 NDS is referenced in the 2018 International Building Code and 2018 International Residential Code and used to design wood structures worldwide. The 2018 NDS references ASCE/SEI Standard 7-16 Minimum Design Loads and Associated Criteria for Buildings and Other Structures which includes increased wind loads. Participants will learn about changes in the 2018 NDS to address increased wind loads and gain an overview of the standard.

Learning Objectives: 

1. Identify changes in the 2018 NDS.
2. Identify wind load increases in ASCE 7-16 that affect wood design and construction.
3. Identify new fastener provisions developed to address increased wind loads.
4. Design nails for withdrawal to resist the new wind loads.

Equivalencies: 1.0 Hour of Instruction = 0.1 Continuing Education Units (CEU) = 1 Professional Development Hour (PDH) = 1 Learning Unit (LU)

Click here for Stand-Alone Link

  

AWC's 2018 National Design Specification® (NDS®) for Wood Construction is referenced in US building codes and used to design wood structures worldwide. This article will highlight the changes in the 2018 NDS and 2018 NDS Supplement relative to previous editions and provide an overview of the standard.

Learning Objectives:

1. Describe the significant changes between the 2012 and 2018 NDS and NDS Supplement.
2. Recognize the updated language relating to cross laminated timber and new CLT adjustment factors.
3. Specify the relevant new provisions for fastener design.
4. Identify the changes for designing wood members exposed to fire and utilize it to predict the fire resistance.

Equivalencies: 1.0 Hours of Instruction = 0.1 Continuing Education Units (CEU) = 1 Professional Development Hours (PDH) = 1 Learning Units (LU)

Click here for Stand-Alone Link