The American Lumber Standard Committee (ALSC) Board of Review has approved the Southern Pine Inspection Bureau’s (SPIB) design value changes for all sizes and grades of visually graded Southern Pine dimension lumber, and recommended an effective date of June 1, 2013. SPIB will publish the new design values in its Supplement 13 to the Standard Grading Rules for Southern Pine Lumber, 2002 Edition.

“Southern Pine producers and their customers are pleased with the ALSC Board of Review’s decision on new design values,” says Cathy Kaake, vice president of technical marketing for the Southern Forest Products Association (SFPA), who testified at the ALSC hearing on January 30. “A June 1 effective date provides time for an orderly transition to the new design values,” she says.

The intent of a transition period is to minimize project delays and supply chain disruptions by providing time to manage design value changes, according to SFPA. Producers and key customer groups should use this period to evaluate and prepare for the potential impact on their businesses. Establishing implementation plans will aid in a successful transition to this second set of new design values.

Following publication of SPIB’s Supplement 13, the American Wood Council (AWC) will work with the International Code Council to incorporate the new design values into span tables in the 2015 International Building Code and 2015 International Residential Code. AWC will also develop addenda and other updates to use with new construction designed in accordance with its standards and design tools, as well as recommended revisions to previous code editions.

“NLBMDA is pleased that the Board of Review has listened to industry concerns about sudden changes in lumber design values and the impact they can have on the value of dealers’ inventory and dealers’ customers,” says Michael O’Brien president of NLBMDA. “We believe a standard transition period will cause less disruption in the supply chain and give dealers time to plan for the changes.”

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