Service Life of a Structural Retrofit Jul, 2010 By Zachery I. Smith, P.E., Scott F. Arnold, P.E. and Guijun Xian, Ph.D. In Articles, Building Blocks Engineering Judgment is a Key Element When Using FRP Advanced Composite Materials This article is currently only available in PDF format, please click the link to the top right. About the author ⁄ Zachery I. Smith, P.E.Zachery I. Smith, P.E., is a Regional Manager for Fyfe Co. LLC and can be reached at (zach@fyfeco.com). Prev Sea Wall Systems Next The Case for System-Based Structural Design