Drilled Shaft Foundation Inspector

The Drilled Shaft Foundation Inspector Certification Course is designed for those individuals responsible for inspecting the installation of drilled shaft foundations. Suggested participants would include contractor and agency personnel who have responsibility for the installation and inspection of drilled shaft foundations.

Certification Process

  1. Meet the prerequisites below for taking the Drilled Shaft Inspector Certification Course.
  2. Select a course and register online or forward the completed Registration Form, and check to NETTCP to secure a position in an upcoming course and examination.
  3. Attend the Drilled Shaft Inspector Certification Course in its entirety.
  4. Successfully pass the written examination.

Course Prerequisites

  1. High School Diploma, G.E.D. or prior approval from NETTCP
  2. It is strongly recommended that candidates have at least six (6) month experience working on projects that included Drilled Shaft construction.
  3. The registration form must be signed by a NETTCP certified Drilled Shaft Inspector or the candidate’s supervisor that indicates they are aware of the experience recommendations.

Course Outline

AASHTO Process Recommended
Dry and Wet Shaft Construction YES W
Cased Shaft Construction W
Drill Rigs and Equipment YES W
Soils, Rock and Groundwater Identification W
Construction Plans and Specifications YES W
Excavation and Cleaning YES W
Reinforcing YES W
Concrete Operations YES W
Post Inspection W
Integrity Testing W
Pay Items W
Safety W


Course Exam

  1. Written Examination 
    • Open book examination
    • Approximately fifty (50) multiple choice questions
    • Written examination must be completed within two (2) hours.
  1. Passing Grades
    • The passing grade for the written examinations will be a minimum of 80%.
  1. Re-examination Policies
    • A candidate failing the written examination will be required to retake the examination.
    • Only one (1) re-examination will be allowed.
    • Candidates failing the re-examination will be required to retake the entire certification course and examination at full cost.
    • The cost for a re-examination is $100.00 and re-examinations must be completed within six (6) months of the candidate’s initial examination date.


Required course and examination for continued certification as a Drilled Shaft Foundation Inspector. The course will include a review of important topics and instruction on changes in the industry, equipment, specifications and test procedures.
  • Cost:             $345.00 for Members/$475.00 for Non-Members
  • Course:         1 1/2 days classroom
  • Class Size:    15 – 30
  • Examination: Written

Re-Certification Process

  1. NETTCP Certified Drilled Shaft Foundation Inspectors wanting to maintain their certification are required to attend a re-certification course in its entirety and successfully pass the written examination. Select a course and register online or forward the Registration Form and check to NETTCP.
  2. Any candidate who fails the re-certification exam and subsequent re-test is required to attend a new full certification course and pass the examination.