Greenfield

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 Greenfield
18.12 - AUTOMATIC FIRE SPRINKLER PROTECTION.

(2) Installation required. An automatic fire sprinkler system shall be installed in all structures where the floor area exceeds the thresholds established in Table 18.12(2) of the specific occupancy involved. For the purpose of determining square footage as it relates to the sprinklering of a building, firewalls shall not be considered area dividers unless the firewall is built in compliance with Section 705 of the CBC.

Table 18.12(2)
Occupancy
Type Type I Type II Type III Type IV Type V
E* ALL ALL ALL ALL ALL
F-2 5,000 SF 5,000 SF 3,000 SF 3,000 SF 3,000 SF
I-2 ALL ALL ALL ALL ALL
I-3 ALL ALL ALL ALL ALL
I-4 ALL ALL ALL ALL ALL
R-4 ALL ALL ALL ALL ALL
U 5,000 SF 5,000 SF 3,000 SF 3,000 SF 3,000 SF

18.14 - MISCELLANEOUS CONSTRUCTION PROVISIONS.

(4) Fire alarm systems.



(b) Installation required. A fire alarm system shall be installed in all structures where the floor area exceeds the thresholds established in Table 18.14(4)(b) of the specific occupancy involved.

Table 18.14(4)(b)
Occupancy
Type Type I Type II Type III Type IV Type V
E* ALL ALL ALL ALL ALL
I-2 ALL ALL ALL ALL ALL
I-3 ALL ALL ALL ALL ALL
I-4 ALL ALL ALL ALL ALL
R-2 ALL ALL ALL ALL ALL
R-4 ALL ALL ALL ALL ALL
S-1 3,000 SF 3,000 SF 3,000 SF 3,000 SF 3,000 SF
S-2 5,000 SF 5,000 SF 3,000 SF 3,000 SF 3,000 SF
U 5,000 SF 5,000 SF 3,000 SF 3,000 SF 3,000 SF