Quality Assurance Program - Oregon Department Of Transportation Page 14

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Concrete Strength Testing Technician (CSTT):
A CSTT is responsible for testing the compressive or flexural strength of hardened concrete
cylinders or beams. The duties of a CSTT include proper capping of specimens (bonded and un-
bonded), correct operation of breaking device and visual evaluation of broken specimens. Also,
the CSTT is responsible to insure the proper handling, mold removal, logging and curing of field
fabricated samples upon arrival at the laboratory. A CSTT certification may be obtained through
a program conducted by Oregon Chapter of the American Concrete Institute.
Who Must Be Certified?
All personnel responsible for performing testing, and reviewing test reports, required on projects,
which the ODOT Quality Assurance Program applies must be certified. This requirement applies
to project personnel working as technicians or fulfilling the role of a Quality Control Compliance
Specialist for the State, Contractors, or Consultants on such projects.
Certification Requirements
To obtain any of the above certifications, the technician will be required to pass a written and/or
a practical test demonstrating a knowledge and understanding of how to perform the specific
tests and of specifications applying to the material being tested. All tests shall be administered
and evaluated only by evaluators approved by the Certification Advisory Committee Chair, or
their designated representative.
To apply for the certification, the applicant will register either for one of the approved training
classes, where the exam will be administered as part of the class, or submit an application to
challenge the exam. The challenge applications will be submitted through the approved training
program to facilitate scheduling. Appropriate fees will be charged for the challenge exams to
cover scheduling, overhead and facility use. Applicants will be scheduled for examination
through a cooperative effort between ODOT and the appropriate training program service
provider.
All certifications shall be contingent upon the technicians signing a rights and responsibilities
agreement. This agreement outlines the technician’s rights and responsibilities along with the
possible consequences of the abuse and/or neglect of these responsibilities. The technician will
submit a signed agreement at the time they take the certification examination.
Examination Process
The Asphalt Paving Association of Oregon (APAO) and Oregon Concrete Aggregate Producers
Association (OCAPA) currently perform the instructional phase, while ODOT maintains the
certification and administration of the written and practical exam processes. The certification
system is made up of three phases. Phase one - WAQTC written exam, phase two - ODOT
written exam and phase three - combined ODOT and WAQTC performance exam.
During the exam process, only hand calculators are allowed, the use of computers is not
permitted during any exam phase.
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