NWCEL Northwest Council of Engineering Labs

Become a
Special Inspector

›› Introduction
›› License Types
›› Types of Work


Inspection Courses

Reinforced Concrete:
›› Placement/Batch Plant
›› Reinforced Concrete
›› Pre/Post-Tension
›› Shotcrete Intro.
›› Shotcrete Recert.

Steel & Welding:

›› Steel & Welding I
›› Steel & Welding II
›› Steel & Welding Intensive

Masonry Inspection

Ultrasonic Technician
›› Certification Program

Magnetic Particle Testing Level II

Special Inspector Certification Renewal

Lateral Framing Special Inspection

Proprietary Anchors Inspection

Plan Reading

›› In-Place Density
›› Aggregate
›› Asphalt II

WAQTC Asphalt II

WAQTC Asphalt II Testing Technician

*Asphalt 1 is not offered in Washington and is not a prerequisite for this course*

Laboratory (L)
EXAM Written (W)
Performance (P)
T 168 Sampling of Bituminous Paving Mixtures C W, P
R 47 Reducing Samples of Asphalt Mixtures C, L W, P
T 329 Moisture Content of Asphalt Mixtures C, L W, P
T 308 Binder Content of HMA by Ignition C, L W, P
T 209 Theoretical Maximum SPG of HMA C, L W, P
T 166 Bulk SPG of Compacted HMA C, L W, P
R 166 Sampling of Asphalt Materials C, L W, P
T 30 Mechanical Analysis of Extracted Aggregate C, L W, P
T 312 Asphalt Mixture Specimens by Gyratory C, L W, P
TM 13 Volumetric Properties of HMA C W
  • Attendance of training sessions is required prior to taking the written and practical exams.
  • Students must pass the written exam before taking the practical exam.
  • After successfully passing both the written and practical exams, WAQTC certification numbers will be issued by WSDOT.
  • WAQTC certification is accepted in the following states: AK, CO, HI, ID, NM, OR, TX, UT, and WA

You will receive an Asphalt II manual with the WAQTC FOP procedures for the test methods listed above. You can also download these test procedures at www.waqtc.org

Instructor:  Chris Christensen is a registered professional engineer in Washington, Alaska, Nevada and Utah. He has been a WAQTC examiner for the past 16 years. He has worked on dozens of airport and highway projects during his 28 years of experience in the construction testing and inspection industry.

For question, contact Thanh Kieu at (253) 230-8539 or email thanh@aartesting.com.


Module Member Member Exam only * Non-Member Non-Member Exam only *
Asphalt Testing Technician II $500.00 $275.00 $600.00 $325.00

* Challenging an exam without completing the classroom instruction is allowed, but is strongly discouraged unless the technician is renewing their certification.
* Late cancelations (less than 1 week prior to class) will be charged the exam only fee. Class size is limited, register ASAP to guarantee space.