All New Commercial Buildings, Dwellings, Additions, and Alterations

Plan review is required for commercial, industrial, and other public buildings 25,000 cubic feet or larger. Review is also needed for any size of school, high-hazard occupancy, and three-unit or larger residential building. Under Wisconsin Statute §101.12, the following plan reviews are required for public buildings and places of employment ​[Wis. Stat. §101.12 and 145.03(5)]:

1. Heating, ventilation, air conditioning, fire alarm, fire detection, and fire suppression ​​systems.
2. Industrial exhaust systems.
3. Elevators, escalators, lifts, and power dumbwaiters.
4. Stadiums, grandstands, and bleachers.
5. Amusement and thrill rides equipment.
6. Plumbing installations.