507.4 Sprinklered, one-story buildings.

The area of a Group A-4 building no more than one story in height above grade plane of other than Type V construction, or the area of a Group B, F, M or S building no more than one story in height of any construction type, shall not be limited where the building is provided with an automatic sprinkler system throughout in accordance with Section 903.3.1.1 and is surrounded and adjoined on all sides by public ways or yards not less than 60 feet (18 288 mm) in width.

   Exceptions:

      1.   In Group F-2 and S-2 occupancies, one-story rack storage facilities of Type II construction that are not accessible to the public shall not be limited in height provided that such buildings conform to the requirements of the New York City Fire Code, and Sections 507.4 and 903.3.1.1 of this code.

      2.   The automatic sprinkler system shall not be required in areas occupied for indoor participant sports, such as tennis, skating, swimming and equestrian activities, in occupancies in Group A-4, provided that both of the following criteria are met:

         2.1.   Exit doors directly to the outside are provided for occupants of the participant sports areas.

         2.2.   The building is equipped with a fire alarm system with manual fire alarm boxes installed in accordance with Section 907.

Editor's note: For related unconsolidated provisions, see Appendix A at L.L. 2008/026.

507.4.1 Mixed occupancy buildings with Groups A-1 and A-2.

Group A-1 and A-2 occupancies of other than Type V construction shall be permitted within mixed occupancy buildings of unlimited area complying with Section 507.4, provided all of the following criteria are met:

   1.   Group A-1 and A-2 occupancies are separated from other occupancies as required for separated occupancies in Section 508.4.4 with no reduction allowed in the fire-resistance rating of the separation based upon the installation of an automatic sprinkler system.

   2.   Each area of the portions of the building used for Group A-1 or A-2 occupancies shall not exceed the maximum allowable area permitted for such occupancies in Section 503.1.

   3.   Exit doors from Group A-1 and A-2 occupancies shall discharge directly to the exterior of the building.

507.5 Sprinklered, two story buildings.

The area of a Group B, F, M or S building no more than two stories in height shall not be limited when the building is provided with an automatic sprinkler system in accordance with Section 903.3.1.1 throughout, and is surrounded and adjoined on all sides by public ways or yards not less than 60 feet (18 288 mm) in width.