STD340-1 – Disaster Resistant Wood Frame Construction Example using 2015 WFCM - Part 1: Loads

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2015 WFCM

This course uses Design of Wood Frame Buildings for High Wind, Snow, and Seismic Loadings (2015 WFCM Workbook) which provides a design example, helpful checklist, and background information for design of a wood-frame structure in accordance with the 2015 WFCM (referenced in the 2015 IRC and IBC). Using plans from a 2-story residence, participants prescriptively design the structure to resist high wind, seismic, and typical residential gravity loads. An overview of appropriate loads to apply to residential structures will be provided. Participants will work through roof, wall, and floor system designs including shear walls and appropriate connections between roof, floor, wall, and foundations to maintain load path.

The Wood Frame Construction Manual (WFCM) for One- and Two-Family Dwellings (ANSI/AWC WFCM-2015) is referenced in the 2015 International Building Code and 2015 International Residential Code. The WFCM contains tabulated prescriptive and engineered design provisions based on ASCE 7-10 Minimum Design Loads for Buildings and Other Structures and covers connections, wall systems, floor systems, and roof systems. A range of structural elements are included such as sawn lumber, structural glued laminated timber, wood structural panel sheathing, I-joists, and trusses.

Part 1 will provide an overview of the 2-story example structure, loads to be resisted, and applicability limitations of the WFCM.

Level: Intermediate
Primary Audience: Engineers, Code Officials

Learning Objectives: 

  1. Learn the appropriate high wind, seismic, and snow loads to apply to residential structures based on code-referenced load standards.
  2. Learn about the engineering basis of prescriptive tables used to size wood members and connections to resist high wind, seismic, and snow loads.
  3. Learn to use prescriptive tables to size wood members and connections to resist high wind, seismic, and snow loads.
  4. Learn to use checklists and detailing summaries to ensure a complete load path is prescriptively designed.

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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