This article is currently only available in PDF format, please click the link to the top right.
David P. Martin, P.E. is a senior project manager at Simpson Gumpertz & Heger Inc. (SGH). As a member of the American Institute of Steel Construction (AISC), American Concrete Institute (ACI), American Society of Engineers (ASCE), and Structural Engineers Association of Massachusetts (SEAMass), David is active in building industry organizations.