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, � • THE 2007 MINNESOTA STATE BUILDING CODE MINNESOTA RULES, CHAPTER 1306 SPECIAL FIRE PROTECTION SYSTEMS 1306.0010 GENERAL. must be installed and maintained in operational condition within the structure. This chapter authorizes optional The requirements of this subpart apply to provisions for the installation of on-premises structures that fall within the occupancy fire suppression systems that may be adopted classifications established in part 1306.0030, by a municipality in addition to the State items A to D. Building Code. If the municipality adopts them, the sprinkler system requirements of Exception: The floor area of minor this chapter become part of the State Building additions that do not increase the occupant Code and are applicable throughout the load does not have to be figured into the municipality. This chapter, if adopted, must square footage for occupancy be adopted without amendment. classifications established in part 1306.0030, items A to D. 1306.0020 MUNICIPAL OPTION. 1306.0030 REQUIREMENTS. Subpart 1. Requirement. The sprinkler system requirements of this chapter, if For purposes of this chapter, area adopted, must be adopted with the selection separation, fire barriers, or fire walls do not of either subpart 2 or 3, without amendment. establish separate buildings. Gross square footage (gs fl means the floor area as defined Subp. 2. Existing and new buildings. in the International Building Code. The floor Automatic sprinkler systems for new area requirements established in items A to D buildings, buildings increased in total floor are based on the gross square footage of the area (including the existing building), or entire building and establish thresholds for buildings in which the occupancy these requirements. The following occupancy classification has changed, must be installed groups must comply with sprinkler and maintained in operational condition requirements of this chapter, unless specified within the structure. The requirements of this otherwise: subpart apply to structures that fall within the occupancy classifications established in part A. Group A 1, A 2, A 3, and A 4 1306.0030, items A to D. occupancies; Exception: The floor area of minor Exception: air inflated structures, and additions that do not increase the occupant open picnic shelters. load does not have to be figured into the square footage for occupancy B. Group B, F, M, and S occupancies classifications established in part with 2,000 or more gross square feet of floor 1306.0030, items A to D. area or with three or more stories in height; Subp. 3. New buildings. Automatic Exception: S 2 open parking garages, sprinkler systems for new buildings, additions aircraft hangars, salt storage sheds, and to existing buildings, or buildings in which group "M" detached canopies. the occupancy classification has changed 212