Operator Certification - Volumetric Mixer Manufacturers Bureau (VMMB)

Volumetric Mixer Certification Program

The Volumetric Mixer Operator Certification program consists of 4 in-depth topics. The course content is based on a nationally agreed upon standard of knowledge and skills every professional Volumetric Mixer Operator should know. At the end of each section, there is a short quiz that is designed to ensure that you have an understanding of the material presented.

The four (4) areas covered in the program are:

Section I – "Safety"
Section II – "Concrete Technology"
Section III – "Volumetric Operation and Maintenance"
Section IV – "Customer and Company Relations"

Volumetric Mixer Certification Requirements

Volumetric Mixer Operator Certification (VMOC) qualifications:

Have 3 months of documented on-the-job experience
Complete the VMOC training program
Pass the VMOC exam

Volumetric Mixer Certification Exam - Shoveling Concrete

Exam Information

The Volumetric Mixer Operator Certification (VMOC) exam is a closed-book and consists of 65 multiple-choice questions. A passing score is 70% or higher (at least 46 questions correct). One hour and 45 minutes (1:45) is given to take the exam.

The exam must be given by a proctor who is a company official, certified teacher, professional engineer, or college professor. The proctor must secure all test materials, remain in the room during the exam, and return all exams, used and unused, within three to five business days after the exam session.

A results report and certificate(s) for each passing candidate are emailed after all exams are received and graded by NRMCA. Each certification is valid for five years.

Volumetric Mixer Operator Certification — Order Form

Ordering Material

To order workbooks and exams, complete the online Volumetric Mixer Operator Certification Order Form below. Please submit your order at least 4 weeks before your scheduled certification exam session. Materials must be paid for in advance and are shipped via UPS Ground (3-5 business days) once payment is received. There is a fee to expedite an order.

VMMB Associate Members receive a rate of $300 per operator certification (non-members: $350).

Volumetric Mixer Operator Certification — Order Form

Questions? Contact NRMCA's Learning & Development Department

More Information

Course Content

For questions on the course content contact Brian Killingsworth via email, or phone, 703-706-4857.

Certification

For questions on the certification contact NRMCA’s Learning & Development Department via email, or phone, 703-706-4800.