Introduction to Grouting for Dams: On-Demand

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Speakers: Trent L. Dreese, P.E., Vice President; David B. Wilson, P.E., Vice President; and Daniel P. Stare, P.E., Project Manager, Gannett Fleming, Inc.

PDHs: This webinar is eligible for 2 PDH credits.

This webinar is intended to provide an introduction to dam foundation grouting for dam regulators, owners, and consultants. Topics covered will include determining the need and applicability of grouting, types of foundation grouting, an explanation of the grouting process including common variations in grouting techniques, grout mixes, and recent advancements in grouting technology. The information presented will be illustrated using case studies of grouting for new dams and for dam remediation projects. There are no specific education or experience perquisites for this webinar, although some knowledge/experience of dam design would be beneficial.

Trent L. Dreese, P.E.

Vice President, Gannett Fleming, Inc.

Trent L. Dreese, P.E. is a Vice President with Gannett Fleming, Inc. He serves as the Assistant Manager of the firm's Geotechnical Section. Trent primarily works on dam design and rehabilitation projects. He also manages Gannett Fleming’s Grouting Specialty Services and has served as the Technical Director for the contractor during foundation grouting projects on three of the U.S. Army Corps of Engineers DSAC 1 dams. Trent has taught the dam foundation grouting sessions at the annual CSM Grouting Fundamentals and Current Practice Short Course for more than 10 years. He is a graduate of Bucknell University and has 24 years of professional experience. Trent is a member of the ASCE Grouting Committee and is a member of ASDSO and SAME.

David B. Wilson, P.E.

Vice President, Gannett Fleming, Inc.

David B. Wilson, P.E. is a Vice President of Gannett Fleming Inc. and is the Practice Leader for Earth Sciences & Hydraulics, which includes all aspects of dam engineering. Mr. Wilson has a B.S. and M.S. in Geotechnical Engineering from Lehigh University, 39 years of dam engineering experience, and 22 years of rock grouting experience. His career experience includes seepage investigation, evaluation and designing seepage control measures for hundreds of existing and new earthfill and concrete dams. He is one of the four coinventors of the IntelliGrout System and was a contributing co-author to the Draft for the pending update to EM 1110-2-3506, Grouting Technology, for the United States Army Corps of Engineers. Mr. Wilson was the keynote speaker on the topic of Rock Grouting at the 4th International Conference on Grouting and Deep Soil Mixing held in February 2012.

Daniel P. Stare, P.E.

Project Manager, Gannett Fleming, Inc.

Daniel P. Stare, P.E. is a Senior Geotechnical Engineer with 14 years of experience working on dam projects with emphasis on foundation modification using advanced grouting methods. He has a BS in in Civil Engineering from Virginia Polytechnic Institute and State University. He was a contributor to the design of the IntelliGrout System and the Draft for the pending update to EM 1110-2-3506, Grouting Technology, for the United States Army Corps of Engineers. Daniel regularly manages grouting operations on large dam projects including Penn Forest Dam, Hunting Run Dam, Patoka Lake Dam, Missiissinewa Dam, Clearwater Lake Dam , Center Hill Dam, Wolf Creek Dam, and Lyman Run Dam.