National Highway Institute Course Offered
Subsurface Investigation Qualification
March 30 - April 1, 2015
7043 Miller Lane, Vandalia, Ohio 45414
The course is being offered by the National Drilling Association (NDA). ODOT Consultant Prequalification Requirements and Procedures, issued June 2010 state that after July 1, 2011, in addition to experience requirements, two prequalification categories require certification of personnel by the NDA. The course being offered is part of the certification process. For the category of Geotechnical Field Exploration (2.18), the field drill crew supervisor shall be certified. Only drill crew supervisors that meet these requirements are eligible to supervise geotechnical field explorations in the field. For the category of Geotechnical Drilling Inspection Services (2.19), at least one drilling inspector shall be certified. Only drilling inspectors that meet these requirements are eligible to perform these duties in the field.
Detailed course and registration information can be found at:
On-line registration for the course can be made at:
Questions regarding the NHI Subsurface Investigation Qualification course may be addressed to the NDA office at 877-632-4748.