All trainees seeking the Drilled Shaft Inspector qualification must:
(1) Obtain on-site experience in which at least he/she has directly observed, inspected, and recorded the full installation of at least five (5) shafts using the wet method under the supervision of a CTQP-qualified Drilled Shaft Inspector (DSI).
Drilled Shaft Inspection written examination is an open-book, a maximum of 2-1/4 hours. The passing score for the written examination is 70%.
Applicants will be allowed to challenge the DSI written examination without attending the class presentations for qualification