Biodegradation of Untreated Wood Foundation Piles In Existing Buildings – Part 1 Jun, 2007 By Milan Vatovec, Ph.D., P.E. and Paul Kelley, P.E. In Articles, Historic Structures Investigation This article is currently only available in PDF format, please click the link to the top right. About the author ⁄ Milan Vatovec, Ph.D., P.E.Milan Vatovec is Consulting Principal at Simpson, Gumpertz & Heger, Inc. (mvatovec@sgh.com) Prev The Advanced National Seismic System Next Existing Buildings and the Codes