By Nik Blanchette, SE; Steve Heyne, SE; and Chris Warner, SE

By Lori Jue, SE, Michaella DeRubeis, PE, and Geoff Bomba, SE

By Jason Armes, SE; Gina Carlson, SE; and Leo Panian, SE

By Bryan Seamer, PE, SE

By Aaron Mazeika, PE, SE

By Sean P. Clifton, PE, SE, and Kevin P. Aswegan, PE, SE

By Chuck Knickerbocker

By Joe Ferzli, PE, SE and Leslie Maienschein-Cline, AIA

By Edward M. DePaola, PE, and Fortunato Orlando, PE

By Peter Marxhausen, PE

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Despite adequate structural design and a less-than-design snow event, a scribed log- and sawn-lumber-framed commercial lodge structure experienced a catastrophic collapse less than two years after it was built. The subsequent investigation involved a piece-by-piece selective dismantling of the debris pile to determine the cause of the devastating failure.