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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 suppression <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 "Ba" 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 chanter, 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 />Ba. 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 />132 <br />