Deep Foundations Deep FoundationsDeep Foundations live here, 5-6-18 By Bill Marczewski, PE|2018-05-06T21:10:20-07:00May 6th, 2018|Categories: Deep Foundations| Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInTumblrPinterestVkEmail About the Author: Bill Marczewski, PE President, CEO of civil, structural and geotechnical engineering firm providing services for building, bridge and marine project market sectors. Specialists in seismic and deep foundations with dynamic testing capabilities with PDA.