2013 Wisconsin Act 270 establishes a uniform commercial building code in Wisconsin, while allowing municipalities to grandfather fire detection, prevention, and suppression ordinances that relate to the construction, alteration, or addition to a public building or building that is a place of employment.

Grandfathered Ordinances for Manitowoc

15.710 Standards for Wireless Telecommunication Facilities.

(aa) Fire Protection. Tower support buildings shall be designed and constructed with built-in ventilation. At least one smoke detector shall be installed in each support or accessory building, which, upon activation, will terminate the electrical power to the building. No combustible storage is permitted in tower support structures.