907.2.7 Group M.
BC § 907.2.7
A manual and automatic fire alarm system shall be installed in Group M occupancies where any one of the following conditions exists: 1. Where a Group M fire area exceeds 12,000 square feet (1114.8 m 2 ); 2. Where a Group M fire area is located more than three stories above grade; 3. Where the combined area of all Group M fire areas on all floors, including mezzanines, exceeds 24,000 square feet (2229.7 m 2 ); or 4. Where a Group M fire area in a below-grade story exceeds 1,500 square feet (139.4 m 2 ). Where such occupancies are not protected by an automatic sprinkler system, a manual fire alarm and partial coverage automatic smoke detection or automatic heat detection system shall be installed in accordance with NFPA 72.
