• DFI India
  • DFI Trust

Working Platforms Industry-Wide Working Group

Group Chair

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

Terry is the Senior Principal – Geostructural and Construction Engineering for Geosyntec Consultants, Inc.  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.  He 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.  He is a registered professional engineer in many states.

Purpose Statement

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

Upcoming Events

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Committee News

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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.


Federation of Piling Specialists Bearing Capacity Tool