A Commercial/Industrial Flatwork Specialist—High Tolerance is a person who has demonstrated a basic knowledge of finishing procedures for Specialty Commercial/Industrial Concrete Flatwork Finishing, including high tolerance floor construction, application of surface treatments, silica fume concrete, and who has demonstrated skill in operating mechanized finishing equipment and in finishing high tolerance flatwork.
Scope and Knowledge:
The program requires knowledge of the following resource materials:
- ACI 302.1R—Guide for Concrete Floor and Slab Construction
- Silica Fume User’s Manual, Silica Fume Association
ACI will grant certification only to those applicants who:
- Hold current certification as an ACI Specialty Commercial/Industrial Concrete Flatwork Finisher, and
- Successfully complete the ACI performance examination for high tolerance flatwork
During the performance examination each examinee must demonstrate skill in using a highway straightedge or slab cutting saw.
Recertification is necessary every five years and requires verification of continued performance proficiency.