About the author  ⁄ Jerry Maly, P.E.

Jerry Maly is a Principal in the Denver, Colorado office of Wiss, Janney, Elstner Associates, Inc. Mr. Maly is a past president of the Structural Engineers Association of Colorado (SEAC), a member of the Existing Buildings Subcommittee of NCSEA’s Code Advisory Committee, and a member of the Existing Structures Committee of SEAC.

When Reroofing Requires a Lateral Analysis

Since its inception in 2003, the International Existing Building Code (IEBC) has contained a provision that triggers the evaluation and possible retrofit of roof diaphragms when certain buildings are reroofed. This provision has gradually evolved within the Work Area Method, unnoticed by some practitioners and readily avoided by others by reverting to the International Building Code (IBC) Chapter 34, Existing Buildings and Structures, or by using the Prescriptive or Performance Methods within the IEBC.

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