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CHAPTER 1306 <br /> DEPARTMENT OF ADMINISTRATION <br /> MINNESOTA STATE BUILDING CODE <br /> SPECIAL FIRE PROTECTION SYSTEMS <br /> 1306.0100 SPECIAL FIRE PROTECTION SYSTEMS (OPTIONAL). <br /> 1306.0100 SPECIAL FIRE PROTECTION SYSTEMS (OPTIONAL). <br /> Subpart 1. General. This part authorizes optional <br /> provisions for the installation of on-premises fire subpression <br /> systems in new buildings, buildings increased in floor area, and <br /> buildings which have the occupancy classification changed. <br /> Subp. 2. Municipal option. The sprinkler system <br /> requirements in subpart 3 may be adopted with the selection of <br /> either item "8" or item "8a" based on local fire suppression <br /> capabilities, but without further change by a municipality which <br /> has adopted the code. When adopted, the requirements are <br /> applicable throughout the municipality for new buildings, <br /> buildings increased in floor area, and buildings which will have <br /> the occupancy classification changed. <br /> Subp. 3. Requirements. Automatic sprinkler systems must <br /> be installed and maintained in operable condition in buildings <br /> in the occupancy classifications listed in items 1 through 11. <br /> For purposes of this chapter, area separation walls do not <br /> establish separate buildings. The square footage requirements <br /> stated in the following items establish the threshold where the <br /> provisions apply; in the case of mixed occupancies the threshold <br /> number of the most restrictive occupancy applies to the entire <br /> building, except for minor additions that do not increase the <br /> occupant load or significantly increase the fire load. <br /> 1. Group A-1 occupancies. <br /> 2. Group A-2 occupancies with an occupant load of 300 or <br /> more. <br /> 3. Group A-2.1 occupancies. <br /> 4. Group A-3 occupancies with an accumulative occupant <br /> load of 300 or more. <br /> 5. Group S-3 service stations with 3,000 or more gross <br /> square feet of floor area, not including canopies. <br /> 6. Group S-3 parking garages with 5,000 or more gross <br /> square feet of floor area. <br /> 7. Group B offices and postsecondary classrooms with 8,500 <br /> or more gross feet of floor area or three or more stories in <br /> height. <br /> 8. Group M mercantile, S storage, or F factory occupancies <br /> with 2,000 or more gross square feet of floor area or three or <br /> more stories in height. <br /> 8a. Group M mercantile, S storage, or F factory <br /> occupancies with 5,000 or more gross square feet of floor area <br /> or three or more stories in height. <br /> 9. Group E-1 and E-2 occupancies with 8,500 or more gross <br /> 147 <br />