The I-579 Urban Open Space Cap Project, a new, three acre green space, reconnected Pittsburgh's historic Hill District with the city's downtown business and cultural center. This first-of-its-kind project sought to remedy historical development that harmed the Hill District by reconnecting this neighborhood through a unique land bridge spanning over the interstate. The foundations for this bridge consisted of 42 drilled shafts at the piers, and 220 micropiles (tension and compression) at the abutments. The presentation covers the design, construction, and testing of these elements and the lessons learned in the project. The $30 million Cap project has received 15 national awards, including the prestigious AASHTO and ASHE National Project of the Year Awards.
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Sebastian Lobo-Guerrero, PhD, PE, D.GE., Geotechnical Project Manager/Laboratory Manager AGES Inc., Pittsburgh, PA.
Sebastian has 22 years of experience in Geotechnical Engineering, specializing in the design of deep/shallow foundations, earth retaining structures, and landslide stabilization. He has authored over 150 technical papers and presentations published in scientific journals, geotechnical magazines, and conference proceedings worldwide. He is the former Chair of the Pittsburgh ASCE Geo-Institute, a member of the DFI Anchored Earth Retention Committee, and Conference Chair for DFI-45 2020 and DFI-47 National Harbor MD 2022. Sebastian is on the Board of Trustees of the Academy of Geo-Professionals ASCE. His distinguished awards include: 2022 DFI President's Award, 2021 ASCE Lifetime Achievement, and 2020 ASCE Civil Engineer of the Year - Pittsburgh Section.