Buildings and areas where automatic sprinkler systems are required:


Please refer to the group definitions for a more elaborate explanation of designations.




(1) In excess of 1,500 square feet in buildings other than residential.


Alternatives may be: 1) Basement area is compartmentalized with two-hour rated walls so that the basement areas are less than 1,500 and one-hour rated, floor-ceiling assembly.


a)      Fire department access openings are provided so that:


(1)   No part of the basement is further than 75 feet from any opening.


(2) The basement shall be provided with openings of at least 20 square feet in    each 50 lineal feet of exterior wall of the basement, on at least 1 side of the building.


(3)   Dimension openings shall be a minimum of 30 inches and the bottom of the opening shall not be more than 48 inches above the floor.

(4)   The openings shall be accessible to the fire department from the exterior and shall be unobstructed to allow fire fighting and rescue operations.


Structures classified as Factory Industrial (Group F-1 and F-2), Business (Group B), and Mercantile (Group M)


(1) Over 12,000 square feet in area on one floor.


(2) Over 1 story in height and exceeding 9,000 square feet per floor.


(3) Over 3 stories.


(4)  In all High Hazard Buildings (as defined in the WEBC) that exceed 3,000 square feet in area.


Garages (storage or repair)


(1)   Throughout garages if over 12,000 square feet in area.


(a) Residential (Group 1):


(1)   In buildings of 1 story in height, sprinklers are to be installed to meet requirements of Standard 13 of the National Fire Protection Association appendix in cellars, store rooms, work shops, hallways, and stairways. Sprinklers installed in corridors shall be spaced up to a maximum of 15 feet along the corridor, with 1 sprinkler opposite the center of any door or pair of adjacent doors opening into the corridor, and with an additional sprinkler spaced inside each adjacent room above the door opening. When the sprinkler in the adjacent room provides full protection for that space, an additional sprinkler is not required in the corridor adjacent to the door.


(1)   Sprinklers are to be installed throughout all hotels and motels of 2 stories in height.



(b) Assembly (Group A):


(1) Automatic sprinklers are to be installed throughout all such buildings of non-fire resistive construction if such place of assembly is located above the first floor, whether or not there is a stage.


(2) Automatic sprinklers are to be installed throughout all basement areas used for assembly and exiting stairways from such assembly area.


(3) In Group A2 restaurants and Group A3 places of worship where the floor area exceeds 12,000 square feet per floor.


(4) In Group A2 nightclubs and Group A3 dance halls when the floor area exceeds 5,000 square feet per floor.


(5) In every Group A where a proscenium curtain is required, automatic sprinklers shall be provided under the stage, under the stage roof, and in the dressing rooms but not in the automatic smoke outlet.


(c) Institutional (Group I):


(1)   Automatic sprinklers are to be installed throughout all Institutional Group I facilities used as hospitals, housing for the elderly, and other institutional buildings.



(d) Educational (Group E):


Facilities used as schools, day care centers serving 9 or more children, and adult day care centers:

(1)   In all areas that exceed 12,000 square feet.

(2)   2 stories and up exceeding 6,000 square feet in area per floor.

(3)   3 stories and up in height.


(e) Storage (Group S):


(1)   Throughout all closed parking ramps or structures which are used for public parking of passenger vehicles.

(2)   Facilities for repairing or fueling vehicles within the structure are prohibited.

(3)   Throughout buildings used for storage of commercial trucks or buses where the fire area exceeds 5,000 square feet.



* A Town of Menasha permit is required for the installation of an automatic sprinkler system (see Town of Menasha Ordinance 5.11).


* The following building types do not require automatic sprinkler systems:

1) One an two-family dwellings (see WEBC)

2) Multi-family dwellings (see WEBC)

3) Community-based Residential Facilities with 8 occupants or less (see WEBC)

4) Specialty Occupancies (see WEBC)