CONTENTS FEATURES I DFI Executive Director Theresa Engler [email protected] Executive Editor Barbra Rodriguez [email protected] Managing Editor and Advertising Manager Karol Paltsios [email protected] Graphic Design Faye Klein Staff Photographer Herb Engler Vice President Michael H. Wysockey, Ph.D., P.E. President DFI Executive Committee Matthew Janes, P.Eng. Gianfranco Di Cicco James O. Johnson Treasurer Secretary Other Trustees Past President Dan Brown, Ph.D., P.E., D.GE Peter Faust, Dipl.-Ing. Conrad W. Felice, Ph.D., P.E. Franz-Werner Gerressen, Dipl.-Ing. Mike Kelley K.S. Rama Krishna, Ph.D. Anne Lemnitzer, Ph.D., P.E. J. Erik Loehr, Ph.D., P.E. Matthew E. Meyer, P.E. Morgan NeSmith, P.E. Dan MacLean, P.E. David Paul, P.E. Lori Simpson, P.E., G.E. Thomas D. Richards, P.E., D.GE Howard Perko, Ph.D., P.E. Martin G. Taube, P.E., P.G. Stefano Valagussa 75 Member Profile: GMS Piling Products Grows with Allison Swindell at the Helm 81 Cable Car Network Micropile Foundations Freddy Lopez, Mariano Saucedo and Daniel Gonzalez This article provides a case study on the use of micropiles instead of massive shallow foundations for two lines within the La Paz cable car network in South America. Due to local site limitations, groups of self-drilling micropiles were designed and implemented for five towers of the Metropolitan Cable Car Integration Network, the largest and highest tram network globally. 16 Novel Soil Nail Wall for Building Stability COVER STORY Yaser Taheri, P.E., Max Schisler, P.E. and Tai Luu, P.E. ® Protecting the Carnegie Building from nearby building construction was a vital consideration during expansion of the campus of Stevens Institute of Technology in New Jersey. Because the historical building sits atop a complex subsurface profile, an active soil nail system was used to limit disturbance to the structure, increase site safety and shorten the construction timeline. DEEP FOUNDATIONS • MAR/APR 2020 • 3 O T N A S D I N N S U T O I T F U E P T E E D