Pervious Concrete Technician

Certification Requirements

Pervious Concrete Technician certification will be granted to those examinees who:

  • Obtain a passing grade (75% or higher) on the written exam.
  • Complete the Performance Training, usually done the same day as the written exam, demonstrating subgrade prep, form placement, the proper use of tools, placement procedure, proper jointing and proper curing. – CMS Form PIE
  • Work experience shall be documented in hours and square footage on CMS Form PED.  Documentation shall include project name/address/concrete supplier and jobsite contact, such as a superintendent or owner who will attest to the quality of the installation.  The craftsman applicant shall document a minimum of 3 problems they have had on pervious concrete jobs and how they resolved these problems.  The craftsman application shall be reviewed and approved by a minimum of 3 member certification committee established by CMS to include a certified craftsman, engineer and ready mix producer.

Certification Time Limits

  • CMS Pervious Concrete Certifications shall be valid for a period of five (5) years.
  • The expiration date for the certification shall be based on the date of approval of the level applied and approved for.


  • Re-certification is required within 90 days after the expiration date listed on the wallet card/certification certificate.
  • Re-Certification applications require five (5) hours of continuing education credits for pervious concrete.  These hours can be local, regional or national seminars, demos, workshops or other activities such as Pervious Live at the WOC.
  • Re-certification shall be obtained by passing the CMS Pervious Concrete Written Examination with a score of 75% or greater; administered by CMS or a Local Sponsoring Group approved by CMS.
  • Prior certification ID and expiration date shall be documented by the applicant.

Exam Information

  • The ninety minute written examination is “closed book,” consisting of approximately 60 multiple-choice questions. The passing grade for the written examination is 75%.
  • During the performance evaluation, each examinee must demonstrate proper procedures for placing, compacting, finishing, edging, jointing and beginning curing a pervious concrete slab. The examiner will observe and evaluate the techniques used and record passing or failing grades on the various individual procedures. A passing grade is defined as “no significant variation from proper procedure and no more than two variations from proper technique in the use of the tools.”


  • CMS’s Certification Review Committee reserves the right to de-certify certified technicians/installers or craftsmen  for any of the following reasons:
  • Failure to meet re-certification criteria
  • Misconduct
    • Allegations of misconduct shall be made to the CMS Certification Review Committee in writing. The allegation shall contain the name, address, and signature of the individual making the allegation.
    • Upon receipt of the allegation an investigation shall be made. Upon completion of the investigation, the Committee shall determine the appropriate action. If the allegation appears to be warranted, the accused and the individual making the allegation shall be notified of the opportunity to appear at a Committee meeting for resolution of the allegation.
  • Penalties may be implemented by the CMS Certification Review Committee and may range from a reprimand to permanent revocation of the certificate. The Chairperson of the CMS Certification Review Committee shall notify all involved parties in writing of the findings of the Committee.
  • The three levels of misconduct are neglect, abuse and Breach of trust. The definition for each level of misconduct are defined as follows:
    • Neglect: Neglect is defined as unintentional deviations from installation procedures or specifications.
    • Abuse: Abuse is defined as careless or deliberate deviation from installation procedures or specifications.
    • Breach of trust: Breach of trust is defined as violation of the trust placed in certified specialists including, but not limited to, acts such as falsification of records, being aware of improprieties in mix design, testing, and/or production by others and not stopping work or not reporting them to appropriate supervisors involved in the project.

If you are interested in pursuing your Pervious Concrete Certification, please Contact Us for more details.