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 Mequon

Sec. 30-57. ·Automatic sprinkler systems.

(c) Installation standards. Approved automatic fire sprinkler equipment shall be installed in accordance with the current edition of NFPA standard #13, "standards for the installation of sprinkler systems," and/or the current edition of NFPA Standard #13D, "sprinkler systems - one and two family dwellings," and/or the current edition of NFPA standard #13R, "installation of sprinkler systems in residential occupancies up to and including four stories in height," and other applicable current standards of NFPA. It shall be the engineer's, contractor's, and installer's responsibility to design, install, and test the automatic sprinkler system to insure compliance with the above mentioned standards.

(e) Buildings where installation is required. Unless specifically exempted by Wisconsin or federal law, all new buildings or existing buildings undergoing restoration, expansion or change of use as specified herein, shall comply with the following requirements for the installation of an automatic sprinkler system:

 

(1) New buildings. Every new building constructed shall have an approved automatic sprinkler system installed and maintained subject to the following:

 

i. Hazardous occupancy buildings. The entire building shall be sprinklered throughout.

 

(4) Exceptions. The following classes of buildings shall be exempt from the requirement of installing an automatic sprinkler system:

 

a. Any portion of a building housing a process or material which would interact with water to create a greater fire hazard than without water, provided an alternate fire suppression system is used.

 

(f) Fire department hose connections. Every automatic sprinkler system installed in new or existing buildings shall be equipped with at least one fire department hose connection at a location approved by the fire chief.

(g) Water supply for automatic sprinkler systems.

(1) Pressurized water systems which can supply an adequate volume of water at sufficient pressure to comply with NFPA Standards.

 

(2) Pressure tank installed in accordance with NFPA 22" standard for water tanks for private fire protection." The fire chief and/or the fire chief's designee shall determine the minimum quantity of water which shall be available in a pressure tank.

 

(3) Gravity tanks, reservoir and fire pumps, shall be allowed with the fire chief's approval. These items shall be installed in accordance with current applicable NFPA standards.

 

(4) All automatic sprinkler systems installed with a limited water supply shall be connected to a future adequate pressurized water system when one becomes available. This connection shall take place within six months after such pressurized water system is accepted by the governing body in charge of such system.