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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Determining proper code applications for designing for fire-resistance in wood-frame construction can be challenging. This presentation will include code requirements, compliance options, and nuances related to fire-resistance rated assemblies, fire design of exposed wood members, and flame-spread performance of wood products. Included will be design examples for calculating fire-resistance for exposed wood members and the component additive method for assemblies.

Level: Advanced
Primary Audience: Engineers, Code Officials, Fire Service

Learning Objectives:

1. Apply approved methods and alternatives for establishing the fire-resistance of wood building elements.
2. Identify some distinguishing characteristics of fire-resistance rated exterior walls, fire walls, fire barriers, and fire partitions.
3. Understand the basic fire-resistance design procedures for wood frame assemblies and certain exposed wood members.
4. Understand code requirements for flame spread performance of wood products.

Equivalencies: 2.0 Hours of Instruction = 0.2 Continuing Education Units (CEU) = 2 Professional Development Hours (PDH)=2 Learning Units (LU)

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The International Code Council’s (ICC) International Building Code (IBC) Chapter 17 is titled Structural Tests and Special Inspections. This presentation provides background on special inspections for wood construction in addition to discussion on related topics such as prefabricated wood components, special inspections for lateral resistance, and structural observation as it pertains to the 2012 and 2015 IBC.

Level: Advanced
Primary Audience: Engineers, Code Officials

Learning Objectives:

1. Learn when a special inspection may be required on a structure.
2. Become familiar with IBC provisions referencing different types of special inspections.
3. Become familiar with specific items examined during a special inspection.
4. Be aware of professional qualifications required to conduct code compliant special inspections.

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

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The International Code Council’s (ICC) International Building Code (IBC) Chapter 17, titled Structural Tests and Special Inspections, will be covered in this program.  This presentation provides background on special inspections for wood construction, in addition to discussion on related topics such as prefabricated wood components and special inspections for lateral resistance as it pertains to the 2018 IBC.  Additionally, background and requirements for large high load diaphragms will be discussed.

Level: Advanced
Primary Audience: Engineers, Code Officials

Learning Objectives: 

1. List when a special inspection may be required on a structure.
2. Evaluate IBC provisions referencing different types of special inspections.
3. Recognize the items examined during a special inspection.
4. Describe special inspection requirements for large high load diaphragms.

Equivalencies: 1.5 Hour of Instruction = 0.15 Continuing Education Units (CEU) = 1.5 Professional Development Hours (PDH) = 1.5 Learning Units (LU)

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This course will feature techniques for designing connections for wood members utilizing AWC's 2015 National Design Specification® (NDS®) for Wood Construction and Technical Report 12 - General Dowel Equations for Calculating Lateral Connection Values (TR12). Topics will include connection design philosophy and behavior, an overview of common fastener types, changes in the 2015 NDS related to cross-laminated timber, and design examples per TR12.

Learning Outcomes: 

1. Be familiar with current wood member connection solutions and applicable design requirements.
2. Be familiar with Technical Report 12 and provisions for connection design beyond NDS requirements.
3. Be able to recommend fastening guidelines for wood to steel, wood to concrete, and wood to wood connections.
4. Be able to describe effects of moisture on wood member connections and implement proper detailing to mitigate issues that may occur.

Equivalencies: 2.0 Hours of Instruction = 0.2 Continuing Education Units (CEU) = 2 Professional Development Hours (PDH)=2 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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Due to the great success of DES340-Cornucopia of Classic Connection Conundrums presentation, this program includes discussion about wood-based connection design based on numerous help desk questions and feedback from design professionals. AWC has identified some commonly overlooked wood-based connection engineering requirements from the National Design Specification® (NDS®) for Wood Construction and Special Design Provisions for Wind and Seismic (SDPWS) for discussion. Connection detailing requirements and design examples will also be provided.

Learning Objectives: 

1. Describe and analyze wood-based connection engineering issues.
2. Acquire resources for complying with wood-based connection design.
3. Identify lateral connection details.
4. Specify proper fasteners for shear walls, diaphragms, and other wood-based assemblies.

Equivalencies: 1.5 Hour of Instruction = 0.15 Continuing Education Units (CEU) = 1.5 Professional Development Hours (PDH) = 1.5 Learning Units (LU)

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There are several design tools and standards to assist engineers, architects, and building officials with the design of shear walls. Prescriptive approaches such as those outlined in International Code Council's (ICC) International Residential Code (IRC) and AWC's Wood Frame Construction Manual (WFCM) for One- and Two-Family Dwellings tend to provide conservative results. Engineered approaches such as those outlined in AWC's Special Design Provisions for Wind and Seismic (SDPWS) typically result in more efficient designs. This course will outline several resources available for shear wall design and compare design results.

Learning Objectives: 

1. Identify and understand the basic shear wall system to resist wind and seismic loads.
2. Understand the difference between segmented and perforated shear wall design.
3. Understand hold down design.
4. Be able to identify and analyze shear walls per the IRC, WFCM, and SDPWS and understand the differences between them.

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The 2018 International Building Code (IBC) specifies that structures using wood-framed shear walls and diaphragms to resist wind, seismic and other lateral loads shall be designed and constructed in accordance with AWC’s 2015 Special Design Provisions for Wind and Seismic (SDPWS). Calculation of wood-frame diaphragm deflection should account for bending and shear deflections, fastener deformation, chord splice slip, and other contributing sources of deflections. The 2015 SDPWS incorporates both a 3-term and 4-term deflection equation that accounts for these variables. This course will provide an overview and comparison of the 3-term and 4-term deflection equations. Additionally, an example showing calculation of mid-span deflection of a blocked wood structural panel diaphragm will be presented.

Learning Objectives: 

1. Calculate wood-frame diaphragm deflection using the 2015 SDPWS.
2. Compare the difference between the 3-term and 4-term deflection equation in the 2015 SDPWS.
3. Analyze individual components of the deflection equations to determine their magnitude of impact on total deflection.
4. Utilize the example deflection calculation in future design work as a model for their own calculations.

Equivalencies: 1.5 Hour of Instruction = 0.15 Continuing Education Units (CEU) = 1.5 Professional Development Hours (PDH) = 1.5 Learning Units (LU)

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An overview of 2018 International Building Code (IBC)and 2018 National Design Specification® (NDS®) for Wood Construction provisions related to the use of cross-laminated timber (CLT)will be provided that includes a step-by-step structural and fire design example for a roof and floor application. Additionally, the WoodWorks® Design Office’s Sizer program, version 12 (released January 2019) which enables CLT floor and roof design, will be used to demonstrate the structural design. Innovative wood products such as CLT are leading to a resurgence in heavy timber (Type IV) design and construction. These innovations are also making it possible for wood to be designed and built to taller heights and larger areas than what current codes permit. This has led to code change proposals for the 2021 IBC, expanding Type IV construction for tall “mass timber” buildings. Participants should find this presentation useful for current and future applications utilizing CLT in horizontal assemblies.

Learning Objectives: 

1. Discuss relevant CLT product manufacturing and design standards and identify where these standards are recognized in the IBC.
2. Consider the relevant structural design properties of CLT for floor and roof applications.
3. Discover how to design CLT floors to achieve serviceability goals related to deflection and creep.
4. Identify applications for using CLT and develop solutions using the highlighted resources.

Equivalencies: 1.5 Hour of Instruction = 0.15 Continuing Education Units (CEU) = 1.5 Professional Development Hours (PDH) = 1.5 Learning Units (LU)

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This presentation will provide an overview of mass timber which includes any product currently permitted for use in Type IV (heavy timber) construction such as cross-laminated timber (CLT), structural composite lumber (SCL), glued laminated timber (glulam), mechanically laminated decking (aka nail-laminated timber, NLT), and large section sawn timbers. NLT, glulam, SCL, and solid sawn timbers have been adopted in the International Building Code (IBC) and utilized throughout the world for several decades on a wide variety of buildings. CLT was first incorporated in AWC's 2015 National Design Specification® (NDS®) for Wood Construction as well as ICC’s 2015 International Building Code (IBC). All mass timber products offer sustainable qualities as they are manufactured from a renewable resource and store carbon. Structural and fire protection characteristics of mass timber will be discussed as well as IBC code provisions that allow their specification in both residential and commercial applications for a wide variety of occupancies.

Learning Objectives: 

1. Identify code acceptance of mass timber products.
2. Describe technology advances and standards related to mass timber products.
3. Recognize the unique fire resistive characteristics of mass timber as it influences the use of wood in building construction.
4. Describe the application of NDS Chapter 16 which can be utilized to design up to 2-hours of fire-resistance for exposed wood members.

1.5 Hours of Education Credit will be available for this course.

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Although not defined in the 2015/2018 IBC, this presentation includes an overview of “mass timber” which is any product currently permitted for use in Type IV construction such as cross-laminated timber (CLT), structural composite lumber (SCL), glued laminated timber (glulam), mechanically laminated decking (aka nail-laminated timber, NLT), and large section sawn timbers. This presentation will provide an overview of changes to the 2015 and 2018 International Building Code (IBC) related to mass timber construction. CLT was first incorporated in the 2015 IBC and additional types of SCL were added to Type IV (heavy timber, HT) construction. The 2018 IBC reorganized heavy timber provisions aiding clear application of heavy timber construction requirements while also providing for separate application of code provisions that allow or specify the use of "mass timber" elements outside of Type IV construction.

Learning Objectives: 

1. Identify Type IV construction including height and area allowances
2. Recognize new mass timber products such as CLT
3. Describe new provisions in the 2015 IBC related to CLT and SCL
4. Summarize new provisions in the 2018 IBC related to mass timber products and Type IV construction

1.5 Hours of Education Credit will be available for this course.

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Changes to the 2021 International Building Code allow for construction of mass timber buildings with larger heights and areas than is currently permitted in Types III, IV, and V construction. This presentation will provide an overview of the allowable heights and areas for the three new types of mass timber construction: Types IV-A, IV-B, and IV-C. Construction fire safety requirements and owner responsibilities related to the fire resistance elements of the building will also be discussed.

Learning Objectives: 

1. Describe the development process for allowable heights, areas, and number of stories permitted for tall mass timber types of construction
2. Evaluate the new fire barrier requirements
3. Recognize provisions for construction site fire prevention
4. Recite the owner responsibilities for fire resistance elements

1.5 Hours of Education Credit will be available for this course.

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Changes to the 2021 International Building Code allow for construction of mass timber buildings with larger heights and areas than is currently permitted in Types III, IV, and V construction. This presentation will provide an overview of fire design of mass timber building elements and assemblies, and protection of connections. New code provisions for special inspection of tall mass timber structures will also be discussed.

Learning Objectives: 

1. Identify changes to the 2021 IBC code regarding mass timber buildings heights and areas permitted in construction.
2. Define principles of fire design provisions for mass timber building elements and assemblies for new construction Types IV-A, IV-B, and IV-C.
3. Describe how to design fire protection for mass timber connections.
4. Recognize new code provisions for special inspection of tall mass timber structures.

Equivalencies: 1.5 Hour of Instruction = 0.15 Continuing Education Units (CEU) = 1.5 Professional Development Hours (PDH) = 1.5 Learning Units (LU)

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Glued-laminated timber is often used as a primary load carrying member of buildings. Often selected for aesthetic reasons or its unparalleled design flexibility, glulam also offers superior structural performance combined with long term durability. This seminar will focus on recent glulam innovations — such as the use of fiber reinforced polymers to increase strength and stiffness — as well as sustainability considerations related to product selection and endurance. Member, connection, and fire design as outlined in AWC's National Design Specification (NDS) for Wood Construction will also be discussed.

Learning Objectives:

1. Be able to identify research and correctly specify glued-laminated beams appropriately on their projects.
2. Become familiar with a number of technology advances and standards related to glued-laminated beams.
3. Become familiar with key design considerations.
4. Become acquainted with the unique fire resistive characteristics of glulam as it influences the use of wood in building construction.
5. Understand the application of NDS Chapter 16 can be utilized to provide up to 2-hours of fire-resistance.

Equivalencies: 2.0 Hours of Instruction = 0.2 Continuing Education Units (CEU) = 2 Professional Development Hours (PDH) = 2 Learning Units (LU)
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Cross Laminated Timber (CLT), one of the new mass timber products, is now included as a structural system in both the 2015 International Building Code and the 2015 National Design Specification® for Wood Construction. This presentation will give an overview of relevant building codes and standards provisions and describe how they can be used in the structural design of CLT elements and structures. Topics related to connections, structural, and fire protection will be discussed.

Learning Objectives:

1. Understand provisions for CLT under the 2015 IBC.
2. Understand provisions for CLT under the 2015 NDS.
3. Understand structural, fire, and connection design of CLT.
4. Improve design knowledge on current applications of CLT throughout North America.

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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)

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The Wood Frame Construction Manual (WFCM) for One- and Two-Family Dwellings (ANSI/AWC WFCM-2018) has been updated and is referenced in the 2018 International Building Code (IBC) and 2018 International Residential Code (IRC). The 2018 WFCM uses gravity and lateral loads based on ASCE 7-16 Minimum Design Loads and Associated Criteria for Buildings and Other Structures. This presentation will provide an overview of the significant changes in the 2018 WFCM relative to the previous 2015 edition. The WFCM provides code officials and designers with time-saving tools based on engineered and prescriptive solutions (based on structural engineering principles) for wood structures to resist anticipated lateral and gravity loads.

Learning Objectives:

1. Be familiar with provisions of the 2018 WFCM and relevant references in the 2018 IRC and 2018 IBC
2. Be familiar with changes to the 2018 WFCM and their impact
3. Understand new wind provisions based on ASCE 7-16
4. Understand the addition of deformed-shank fasteners and other criteria to address new wind load provisions

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

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