DFI Technical Committee Chairs Augered Cast-in-Place Pile Morgan NeSmith, P.E., Berkel and Company Contractors, [email protected] Codes and Standards Lori Simpson, P.E., G.E. Langan Treadwell Rollo [email protected] Deep Foundations for Landslides/Slope Stabilization Prof. Vern Schaefer, P.E. Iowa State University [email protected] Drilled Shaft Paul Axtell, P.E., D.GE Dan Brown and Associates [email protected] Driven Pile Andrew Verity, Terracon [email protected] Ground Improvement Marty Taube, P.E., P.G., Menard [email protected] Helical Piles and Tiebacks Gary Seider, P.E. Hubbell Power Systems/Chance [email protected] Manufacturers, Suppliers and Service Providers Mark Bryant, EIT MacLean Power Systems Civil Division [email protected] Marine Foundations Rick Ellman, P.E. Mueser Rutledge Consulting Engineers [email protected] Micropile Steve Davidow, P.E., S.E. Crux Subsurface [email protected][email protected] Seismic and Lateral Loads Kwabena Ofori-Awuah, P.E. KCI Technologies [email protected] Slurry Wall Giovanni Bonita, Ph.D., P.E., P.G. GEI Consultants Soil Mixing Dennis Boehm, Hayward Baker [email protected] Subsurface Characterization for Deep Foundations Victor Donald, P.E., Terracon [email protected] Sustainability Carlos Englert, P.E., Schnabel Engineering [email protected] Testing and Evaluation Gerald Verbeek Allnamics Pile Testing Experts [email protected] Tiebacks and Soil Nailing Ed Laczynski, P.E., G.A.& F.C. Wagman [email protected] Women in Deep Foundations Helen Robinson, P.E., Schnabel Engineering [email protected] 74 • DEEP FOUNDATIONS • MAY/JUNE 2015 Drilled Shaft Committee Chair: Paul Axtell, P.E., D. GE Dan Brown and Associates [email protected] Trustee Liaison: James Johnson Condon Johnson and Associates [email protected] • North American-European best practices working group reviewing similarities and differences in design, construction, quality assurance, contracts and tools for drilled shafts/bored piles • Organizing outreach effort for foundations industry at the International Bridge Conference, National Harbor, Md., June 6-10, 2016, including special session on foundations and dedicated exhibit hall area • Working with FHWA and Caltrans on Post Grouting of Drilled Shafts Workshop to develop roadmap for quality assurance and acceptance of post grouting of drilled shafts • Collaborating on co-funded study with EFFC to develop a guide to improve tremie concreting and testing practices for deep foundations (drilled shafts and slurry walls) Driven Pile Committee Chair: Andrew Verity, P.E. Terracon [email protected] Trustee Liaison: David Borger, P.E. Skyline Steel [email protected] • Co-funding of update to the Concrete Reinforcing Steel Institute Design Handbook for pile cap design reflecting higher strength steel pipe piles and higher concrete strengths (Researcher: Prof. Tim Mays, The Citadel) • Update to the 1998 Driven Pile Manual to provide an online list of driven pile geometries and section properties • Lead committee supporting SuperPile 2016 (Chicago, June 7-9, 2016) • Review of Timber Piling Council’s updated Timber Pile Design and Construction Manual • Joint seminars with PDCA • Driven Pile Foundations web presentation — college-level outreach tool for distribution and presentation Ground Improvement Committee Immediate Past Chair: Marty Taube, P.E. Menard [email protected] Trustee Liaison: Michael Wysockey, Ph.D., P.E. Thatcher Engineering [email protected] • Survey and synthesis of liquefaction mitigation practices including selection and implementation of ground improvement techniques (Researcher: Tim Siegel, Dan Brown & Associates) • Implementing and expanding distribution of Guide to Developing Performance Specifications for Ground Improvement