• DFI Europe
  • DFI India
  • DFI Trust

Seepage Control

Expanding the application of soil mixing technology through education, practical guidance, and discussion.

Committee Chair

Gregg Batchelder-Adams
U.S. Army Corps of Engineers
Gregg Batchelder-Adams is a registered professional engineer with about 40 years of experience in civil and geotechnical engineering. He has a Bachelor’s Degree in Civil Engineering from the University of Vermont and a Master’s Degree in Civil Engineering from the University of New Hampshire.  For the past 30 years, he has focused on the evaluation, inspection, design, construction, and risk assessment of dams and levees throughout the US and abroad. He is currently a Lead Civil Engineer for the U.S. Army Corps of Engineers, Risk Management Center located in Colorado. Gregg resides with his wife Laurie in Denver.

Committee Chair

Michael Kynett

Upcoming Events

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Review of U.S. Army Corps of Engineers Engineering Manual on Seepage Cutoffs for Dams and Levees

Committee conducted detailed review of the evolving text of this manual covering design and construction of seepage cutoffs

Guest Speakers

Speakers are invited to each committee meeting to present challenging seepage control design and construction projects.

U.S. Levee Safety Coalition

Group of professional organizations joined together to support and advance levee safety in the United States

ICOLD – Bulletin 51 Update

DFI following International Commission on Large Dams’ (ICOLD) update of ICOLD (1985) Bulletin 51 on filling materials for watertight cutoff walls.

Industry Collaboration

Workshops and conferences convening government and industry professionals to discuss technical and contractual issues related to dam and levee safety.

DFI Levee and Coastal Rehabilitation Conference

Sacramento USACE-DFI Workshop 2017


USACE Grouting Manual – detailed technical guidance and criteria for civil works grouting applications.

DFI Soil Mixing Guidelines – overview of the state of practice of Deep Mixing Methods (DMM) in North America, including a guide specification for deep mixing work.

FHWA Design Manual: Deep Mixing for Embankment and Foundation Support – background on deep mixing for U.S. transportation projects and information on design and construction aspects.