PUBLIC NOTICE
The director of the Michigan Department of Labor and Economic Opportunity has announced amendments to the following standard:
Construction Standard Part 25, Concrete Construction – with an effective date of June 22, 2026. Enforcement of the revised requirements in this standard will be delayed for 90 days, with enforcement scheduled to begin on September 21, 2026.
The amendments include updates and clarifications across several areas of concrete construction, including:
- Reinforcing steel requirements, including clarifications related to support and stability.
- Concrete mixing, pouring and floating operations, with added emphasis on suspended loads and worker exposure.
- Forms, shoring and reshoring, including inspection and documentation requirements before concrete placement.
- Flying forms operations, with revised language addressing worker positioning and rigging procedures.
- Site access and layout, adding requirements to better control hazards in active areas.
- Tendon tensioning operations, clarifying equipment loading limits and manufacturer requirements.
- New training requirements require employers to ensure and document that employees are trained by a qualified person on task-specific concrete construction hazards.
Access the Updated Standard
A copy of the revised standard and the “strike-bold draft” is available below and on the MIOSHA Standards website at www.michigan.gov/mioshastandards.
Revised standard: CS Part 25, Concrete Construction
Strike-bold draft: CS Part 25, Concrete Construction Strike-Bold Copy