Documentation of Contract Quantities Classes

***COVID-19 update: DOC workshops will be provided online for the remainder of the season. Read more details. If registered, please check your email regularly for updates.***

Why do I need documentation certification?

Documentation of Contract quantities is a three-day class administered by Illinois Center for Transportation offering documentation certification (Illinois Department of Transportation class S-14).

The course is a prequalification for all IDOT consultants who will perform construction inspection (Phase III) work, including staking, material testing, inspection, documentation of materials and quantities, record keeping, enforcing specifications and much more. Check out a complete list of requirements for consultant prequalification.

The class helps attendees learn how to:

  • Properly document contract quantities in compliance with state and federal standards,
  • Make project diary entries,
  • Quantify book preparation,
  • Use the cross-reference system and
  • Create extra work reports, measurement and calculation of pay items for pay quantities occurring in road and bridge plans.

How do I become certified?

To obtain documentation certification, one must successfully pass the test administered during the Documentation of Contract Quantities’ three-day class with a score of 70 percent or higher. Once a passing test score is obtained, certification is valid for four years.

In the event a passing score is not obtained, three-day class attendees may choose to either take a retest or retake the three-day class by registering online and paying the associated fee. Only one retest attempt is allowed after failing a three-day class exam. The retest must occur within one calendar year of the three-day class exam date.

If one fails to pass a retest exam, then he or she must take the three-day class in order to attempt the exam again.

How do I recertify?

Certified individuals have a four-month grace period following the expiration of their certification. Before the end of the grace period, attendees have one opportunity to recertify by registering online and paying the associated fee, taking a two-hour documentation exam (retest) and passing with a score of 70 percent or higher.

If certification expires by more than the allotted four-month grace period or the attendee does not pass the retest, the individual must retake the three-day class in order to attempt the exam again. Once a passing test score is obtained, the individual will again be certified.

Note: It is each individual’s responsibility to remember to retest within the four-month grace period of their certification expiration date. No exceptions.

About the class

The Documentation of Contract Quantities course is recommended for individuals with at least one year of IDOT construction experience. Attendees should also have a familiarity with general highway and IDOT construction terminology and practices. It is also important to have a basic understanding of algebra and geometry with this course, especially concerning the order of operations and an ability to calculate area and volume. Attendees are encouraged to explore math refresher web pages prior to taking the course.

Check out the course schedule. To receive notifications for schedule announcements and changes, join the notification list. Have more questions? Read some of these frequently asked questions.

About the exam

Illinois Center for Transportation provides several three-day classes with exams as well as retest dates throughout the Documentation of Contract Quantities season — December through May. Note: Requests for individual test dates or alternate site locations will not be accepted.

All exams and retests are open book/open notes. Electronic devices beyond the standard scientific calculator are prohibited during exams. This includes cellphones, tablets, computers, cameras and other recording devices.


Class schedules

All classes are three days long. Listed below is a typical three-day class schedule:

  • Day 1: 9 a.m. until 4:30 p.m.
  • Day 2: 8 a.m. until 4:30 p.m.
  • Day 3: 8 a.m. until 4 p.m. (two-hour test included)

Retest schedules

All retests are two hours long and occur from 1-3 p.m., unless otherwise noted.

Register for a three-day class or retest today. Learn more about our cancellation policy.


Spaces must be reserved with a credit card. IDOT personnel are to contact their district registrar to register. For those unsure who their district registrar is, please contact us.

Three-day class fees:

  • Consultants: $350
  • IDOT or local agency employees: $50

Retest fees:

  • Consultant retest: $100
  • IDOT or local agency employees retest: $50