Certified Drilled Shaft Inspector (CDSI) Certification Exam

Certified Drilled Shaft Inspector (CDSI) The CDSI covers deep foundation inspection across multiple critical domains drilling fluid management, casing installation, concrete placement monitoring, and post-construction integrity assessment. You’ll analyze sonic and thermal integrity test results, evaluate shaft geometry using caliper logs, and interpret defects that compromise load-bearing capacity. Inspectors must recognize the interplay between soil conditions, drilling techniques, and quality outcomes.