High Capacity Minicaissons in NYC Dec, 2007 By Lawrence F. Johnsen, P.E., Joseph A. Pastore and Felix E. Ferrer, P.E. In Articles, Construction Issues This article is currently only available in PDF format, please click the link to the top right. About the author ⁄ Lawrence F. Johnsen, P.E.Lawrence F. Johnsen, P.E. is a principal at Heller and Johnsen, Stratford, CT. He can be reached at 203-380-8188. Prev Biodegradation of Untreated Wood Foundation Piles In Existing Buildings – Part 3 Next FEMA 550