STD355 – Designing for New ASCE 7-16 Wind Loads per the 2018 WFCM

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The Wood Frame Construction Manual (WFCM) for One- and Two-Family Dwellings (ANSI/AWC WFCM-2018) 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 which includes increased components and cladding roof wind loads. Design of Wood Frame Buildings for High Wind, Snow, and Seismic Loads (2018 WFCM Workbook) includes a design example, helpful checklist, and background information for design of a wood-frame structure in accordance with the 2018 WFCM. Using plans from a 2-story residence, a structure is prescriptively designed to resist high wind, seismic, and typical residential gravity loads. This webinar will deal specifically with design of roof systems, and appropriate connections between roof, floor, wall, and foundations to maintain load path for wind uplift. New shear wall aspect ratio limits for wind will also be examined. It is strongly encouraged to view the recorded webinar of STD350 - Significant Changes to the 2018 WFCM prior to this course.

Level: Beginner/Intermediate
Primary Audience: Engineers, Code Officials

Learning Objectives:

  1. Describe changes to the 2018 WFCM and their impact
  2. Evaluate new roof wind provisions based on ASCE 7-16
  3. Recognize the addition of deformed-shank fasteners and other criteria to address new wind load provisions
  4. Design with new 2018 WFCM shear wall aspect ratio limits for wind

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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