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This seminar addresses the sudden &/or gradual nature of sinkhole development & how it can be catastrophic to overlaying structures. Also, how soil boring programs often provide in-sufficient data to properly evaluate sinkhole potential of a property...

Course Outline

After participating in the course, you will be able to:
Understand the mechanics of sinkhole development
Detect the possibility of the formation of sinkholes on a site
Stabilize and remediate sinkhole features and problems in karst terrain  
Recognize the development of a sinkhole from what, why, how, when, and tell tale signs 
Interact between the developer, engineer, and regulatory official to benefit the project schedule and budget.
Evaluate land for purchase
Apply new investigative approach to increase land marketability


Sinkholes can cause heavy damage to buildings, roads and other developments in Karst terrain. They occur in urban areas due to human activities related to land use, especially from ground-water pumping and from construction and development practices in areas underlain by Karstic soils.   This seminar addresses the sudden and/or gradual nature of sinkhole development and how it can be catastrophic to overlaying structures.  Also, how soil boring programs often provide in-sufficient data to properly evaluate sinkhole potential of a property and that property selected, and site specific applied geophysical technology offers a means to help locate sinkhole features.

Objective/ Learning Outcome

To explain the mechanics of sinkhole development and the action that can be taken to prevent damage to property and to conduct a remediation program after damage has occurred or is underway

Who Should Attend

Civil engineers and architects, geotechnical engineers, building contractors, specialty contractors (grouting and underpinning), home or property owners, real estate developers, legal professionals specializing in construction claims, and insurance company as well as independent adjusters.

Special Features
This exciting sinkhole specialty course is presented by an instructor who has a wide range of experience and diverse backgrounds. The  presentation consists of a series of lectures and case histories that illustrate problems in full detail. The open discussion format and hands-on learning environment equally benefit professional participants who are new to the field as well as those with years of experience.

Instructor: Dhirendra S. Saxena ,  ASC geosciences, inc.

Program Outline

Registration and Coffee

Welcome and Introduction

Sinkholes – An Overview
• What are sinkholes?
• Why do they develop?
• How do they develop?
• When and where do sinkholes develop?
• Tell tale signs in sinkhole prone areas
• Types of sinkholes

General Observations
• Sinkholes areas around the world
• Sinkholes areas in United States
• Sinkholes in Canada

Sinkhole Testing and Evaluation
Case histories


Day II

Sinkhole Database at your Fingertips

Investigative Areas
• Geotechnical engineer's perspective
- Are you satisfied with the professional’s report?
- Monitoring, post-remediation, piering, and acceptance testing
• Geological/geophysical perspective
• Remediation contractor's perspective
• Legal professional's perspective
• Case histories

Sinkhole Coverage for Home and Building Owners

Open Forum
Questions and Answers

Concluding Remarks and Final Adjournment

There will be a one-hour lunch break each day in addition to a refreshment and networking break during each morning and afternoon session.

Daily Schedule:
8:00 Registration and coffee (1st day only)
8:30 Session begins
12:00 Lunch
4:30 Adjournment


Mr. Dhirendra S Saxena(Sax)., B. Tech (Hons.), M. Eng., P. E., Chief Consultant and Diplomate Forensic Engineer ASC geosciences, inc.  Mr. Saxena obtained his M. Eng., in Civil engineering 1967-68 from TUNS (formerly NSTC), Halifax, Canada; B.Tech(Hons.) in Civil Engineering 1962 from I.I.T. Kharagpur, India; and B.Sc. in Basic Sciences 1957 from Allahabad University, India.

Sax is a registered professional engineer and an active member of numerous professional societies as well as a Fellow of ASCE, NSPE (FES) and NAFE. He is also a broad certified diplomate in Forensic Engineering by National Academy of Forensic Engineers (NAFE). He has authored, co-authored, presented, and published over 60 technical papers at local, state, national, and international conferences. He has also presented invited lectures at various international conferences and to various professional groups and institutions.  He has received, and been conferred, prestigious engineering society awards throughout his professional career.

Spanning more than 40 years, Sax’s geotechnical engineering career has been extensive.  His assignments have ranged from a tidal power hydroelectric project study at the Bay of Fundy, Nova Scotia, to Churchill river Diversion Works in northern Manitoba in Canada, to Coca Cola complex in Portland, Oregon, to offshore drilling platforms in the Gulf of Mexico, to Turkey Point Nuclear power plant in south Florida, and to Disney World in Orlando, Florida.  His areas of specialization include vibration damage evaluation, ground improvement/reinforcement, deep foundation/construction, sinkhole evaluations, and forensic geotechnical engineering applications in geo-domains.

Prerequisites & Certificates

Certificates offered

1.2 CEUs / 12 PDHs

Cancellation Policy
To withdraw from a course, you must send a request, in writing, with the official receipt to our office. Fifteen or more business days in advance: full refund less $50.00 administration charge. Five to fifteen business days in advance: non-refundable credit of equal value for any future EPIC seminar within one year. Credits are transferable within your organization. In case of an unexpected event occurring after this time, you may send someone else to take your place without any additional cost.
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Here are some reviews of the training vendor.
The course was very well presented and the course instructor was absolutely amazing.
Reviewed by 2013
Our instructor, Stephen Lamming, was outstanding and a true expert in his field. He was able to complement the technical air monitoring information with practical real life examples which was highly beneficial. He is an excellent communicator and was highly interactive with the course attendees. This course was recommended to me because Stephen Lamming does an outstanding job. I was very impressed with this course and have subsequently recommended it to my colleagues.
Reviewed by 2012
Would have liked more interactive problem solving.
Reviewed by 2011

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