In partnership with California Department of Transportation (Caltrans), Federal Highway Administration (FHWA), and with support from International Association of Foundation Drilling (ADSC), Deep Foundations Institute (DFI) organized a workshop on quality assurance (QA) practices for acceptance of post-grouted drilled shafts in conjunction with DFI’s 40th Annual Conference on Deep Foundations. Final Report: Workshop on Quality Assurance for Post-Grouted Drilled ShaftsįHWA, Caltrans, DFI, ADSCMary Ellen Bruce Large, P.E., D.GE, DFI Technical Activities Manager