The American Wood Council's 2015 “Wood-Frame Construction Manual for One- and Two-Family Dwellings” (WFCM ) has been approved as an American National Standard by the American National Standards Institute (ANSI). WFCM is referenced in the International Code Council’s 2015 “International Building Code” and 2015 “International Residential Code” (IRC).
The manual equips designers with engineered construction methods that result in buildings better able to withstand damage and protect occupants should disaster strike,” said AWC President & CEO Robert Glowinski. “Since the WFCM was first published in 1995, AWC has been providing a solution for design of wood-frame structures to resist natural disasters. Each successive edition of the standard continues to provide solutions to more severe events as required by building codes.”
The WFCM includes design and construction provisions for connections and wood wall, floor, and roof systems. A range of structural elements are covered, including sawn lumber, structural glued laminated timber, wood structural sheathing, I-joists, and trusses.
Primary changes in the new WFCM include:
· Tabulated spans for lumber framing members now reflect changes to design values referenced in the 2015 “National Design Specification for Wood Construction”.
· New tables provide prescriptive wood-frame solutions for rafters and ceiling joists in response to new deflection limits for ceilings using gypsum wallboard or brittle finishes adopted in the 2015 IRC.
· Designers may begin using the new standard immediately, but are encouraged to seek approval from the authority having jurisdiction.
The free view-only 2015 WFCM is now available in electronic format on the AWC website. Print versions of the standard are expected to be available for purchase in early 2015.
Related Stories
Codes and Standards | Dec 2, 2019
New GBCI certification recognizes expertise in sustainability
Provides third-party verification of competency to ‘making the world more economically, socially, and environmentally sustainable.’
Codes and Standards | Dec 2, 2019
New tool allows users to learn how to reduce embodied carbon
Calculator delivers first digitized EPDs.
Codes and Standards | Dec 2, 2019
Trade group challenges St. Petersburg, Fla., ordinance on construction contract mandates
Legality of requirement to hire apprentices, disadvantaged workers at issue.
Building Owners | Dec 2, 2019
What building owners and AEC teams need to know about New York’s Climate Mobilization Act
On April 18, 2019, the New York City Council passed the Climate Mobilization Act, a suite of laws aimed to meet the city’s commitment to achieving carbon neutrality by 2050.
Codes and Standards | Nov 26, 2019
Updated ASHRAE standards focused on ventilation design, air quality in residential applications
Standard 62.1 and 62.2 updates provide new tables of ventilation rates per unit area.
Codes and Standards | Nov 25, 2019
Real estate professionals say coworking is not a flash in the pan
More than 60% say coworking space is in their portfolios.
Codes and Standards | Nov 22, 2019
Utility’s proposal threatens California’s rooftop solar mandate
Would allow customers to use solar farms instead of installing their own PVs.
Codes and Standards | Nov 21, 2019
Number of LEED commercial building projects surpasses 100,000
More than 2.6 million sf of space being certified each day.
Codes and Standards | Nov 19, 2019
Most U.S. voters support licensing standards for architects
NCARB survey shows strong support for architecture as a licensed profession.
Codes and Standards | Nov 18, 2019
Cambridge, Mass., teams up with utility on energy retrofit program
Buildings large than 25,000 sf targeted in initiative to further carbon neutrality goal.