• DFI India
  • DFI Trust

Working Platforms Industry-Wide Working Group

The Working Platforms Industry-Wide Working Group is an industry-wide forum gathered to improve design and construction practices that ensure safe working platforms for equipment used to install deep foundations.


Terence Holman, Ph.D., P.E.
Geosyntec Consultants

Terry Holman is the senior principal – Geostructural and Construction Engineering for Geosyntec Consultants. He has more than 25 years of experience in geotechnical and geostructural engineering, design, and heavy-civil construction. His specialties include geotechnical design, analysis and construction; research and teaching in geotechnical and geostructural engineering and mechanics; constructability analysis; and evaluation of technical risk, especially design-build or P3 project delivery methods.  Holman has served on the Board of Directors of ADSC, and is a member of DFI, ASCE, Geo-Institute and the Structural Engineering Institute. He received his Ph.D. in geotechnical engineering from Northwestern University, and his B.S. and M.S. in civil engineering from Drexel.


Scott A. Jacobs, P.E. 

Scott A. Jacobs is a senior engineer for Keller supporting the Northeast region and assisting on projects nationwide. A registered professional engineer in seven East Coast states spanning from Florida to New York, Jacobs has 20 years of experience in geotechnical engineering and contracting. He holds a bachelor’s degree in civil engineering and a master’s in geotechnical engineering from the University of Florida. He is a member of the DFI Drilled Shaft Committee and a voting member of the ACI 336 Drilled Shaft committee.

Upcoming Events

Participating Groups


Working Platforms Position Statement

Consensus Deep Foundation Industry Position on Working Platforms for Foundation Construction and Related Equipment in the United States of America and Canada

Outreach and Awareness Task Force

Developing outreach messages for general contractors, insurance organizations, state OSHAs, and architects.

In progress


Federation of Piling Specialists Bearing Capacity Tool