2012 WFCM PDF

The Wood Frame Construction Manual (WFCM) for One- and Two-Family Dwellings was updated and is designated ANSI/AWC WFCM (Figure 1). WFCM. • Wood Frame Construction Manual. • WFCM uses ASCE 7- 10 wind design provisions. • IRC uses ASCE wind design provisions. The Wood Frame Construction Manual (WFCM) for One- and Two-Family Dwellings was developed by the American Wood Council (AWC) Wood Design.

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The local authority having jurisdiction should be consulted to determine whether conversion to a mph basis is permissible. For a volume license the PDF is licensed to the person in which it is assigned. Provisions contained in this document that are not included in the IRC are considered good wfm recommendations. This unit will provide a chapter by chapter overview of the WFCM which includes provisions for designing wood frame structures for wind, snow, and seismic loads. Among the concerns is the number of tie-downs required wcfm shear walls, which can present both cost increases and practical construction challenges.

2012 Wood Frame Construction Manual for One- and Two-Family Dwellings & Commentary to the WFCM

First Name Last Name. Be familiar with the design approaches and referenced standards in the WFCM. An integral Appendix of the WFCM still contains uplift strap and ridge strap capacity tables for those wishing to maintain that option.

There are separate wind speed maps for each Risk Category in the code, and Exposure D will become applicable again in hurricane prone regions. Chapter 3 provides several prescriptive solutions derived from Chapter 2 load requirements.

For fastener design values, the NDS is the reference standard. More Wood Construction Short Courses. In order to improve in-service performance of the tile or stone covering, details for the installation of span-rated wood-structural underlayment for a two-layer wood substrate system will be presented. This article originally appeared in the Winter issue of Wood Design Focus published by the Forest Products Society and is reprinted with permission. Revised map contours will influence Seismic Design Categories of some geographic areas.

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You must have JavaScript enabled in your browser to utilize the functionality of this website. The latter tends to provide more conservative results. Suppliers of building products used in the residential construction and their sales staff may benefit as well by enhancing their knowledge of a code-conforming whole building design.

Be familiar with additional resources that are wcm. This article provides an overview of the significant changes in the WFCM relative to the previous edition.

Shear wall 212 offset provisions were clarified in the WFCM. A range of structural elements are covered, including sawn lumber, structural glued laminated timber, wood structural sheathing, I-joists, and trusses.

The WFCM includes design and construction provisions for high wind, seismic, and snow loads for connections, wall systems, floor systems, and roof systems. The design example uses plans from a 2-story residence as the basis for a structural design to resist high wind, seismic, and snow loads.

Separate documents address wind design requirements in,and mph Exposures B and C wind zones for other wind speeds and exposures see the WFCM. Wind afcm are higher, but load factors for design are also adjusted so that the net effect will be a reduction of wind pressures in some regions Line The WFCM includes design and construction provisions for connections, wall systems, floor systems, and roof systems.

This webinar builds on the three previous Load, Load Path, and Connections webinars to describe how loads must be transferred through the building to reach the foundation system. Design properties for horizontal diaphragms and shear walls were incorporated qfcm the integral Supplement of the WFCM.

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Understand the difference between segmented and perforated shear wall design. Understand the WFCM uses and scope limitations. Reference to connector products available in the marketplace will be made without identifying particular manufacturers. Be able to describe various methods for making connections Understand how connections are expected to perform Understand various locations in a load path that require sound connections Understand what type of connections provide continuity to the foundation Equivalencies: This unit will provide an overview of the significant changes to the DCA 6 and include several examples showing application of the 0212.

Wood Frame Construction Manual for One- and Two-Family Dwellings & Commentary to the WFCM

Shear wall segments are permitted to be offset out-of-plane from the story below by a maximum distance equal to the depth, d, of the floor joists Fwcm 2where all of the following conditions are met:.

This presentation will provide an overview of the significant changes in the WFCM relative to the previous edition. The primary changes to the WFCM include: Be able to describe how loads are distributed to buildings both vertically and horizontally Be able to describe several different load paths that are critical to improved building performance during high winds Be able to recognize structural configurations or significant loading in building framing that might present construction challenges to wfc continuous load wcfm Be able to recognize construction defects that could potentially fail under high wind loads Equivalencies: Leave a Comment Click here to cancel reply.

Traditional methods of providing for uplift resistance with additional tie-downs at shear walls can be cumbersome and expensive.

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